CMBMF / Cambium Networks Corporation - SEC-arkivering, Årsberetning, Fuldmagtserklæring

Cambium Networks Corporation
US ˙ OTCPK ˙ KYG177661090

Grundlæggende statistik
LEI 549300OYSIGK6OT5WL04
CIK 1738177
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Cambium Networks Corporation
SEC Filings (Chronological Order)
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May 29, 2026 EX-1.01

CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2025 TO DECEMBER 31, 2025 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 1.01 CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2025 TO DECEMBER 31, 2025 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Cambium Networks Corporation and its subsidiaries (herein referred to as “Cambium Networks,” the “Company,” “we,” “our” and “us”) is committed to fair trade practices and a company culture that promo

May 29, 2026 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952 Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) c/o Cambium Networks, Inc. 2000 Center

May 22, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

May 22, 2026 ARS

ARS

UNITEDSTATES SECURITIESANDEXCHANGECOMMISSION Washington,D.C.20549 FORM10-K (MarkOne) ☒ ANNUALREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 ForthefiscalyearendedDecember31,2025 OR ☐ TRANSITIONREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 FORTHETRANSITIONPERIODFROM TO CommissionFileNumber001-38952 CAMBIUMNETWORKSCORPORATION (ExactnameofRegistrantasspecifiedinits

May 22, 2026 DEF 14A

GENERAL INFORMATION PROPOSAL ONE CORPORATE GOVERNANCE CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS DIRECTOR COMPENSATION EXECUTIVE OFFICERS EXECUTIVE COMPENSATION Employment Agreements and Potential Payments upon Termination or Change-in-Cont

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

May 20, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

May 15, 2026 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One) ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: March 31, 2026 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on Fo

May 12, 2026 PRE 14A

GENERAL INFORMATION PROPOSAL ONE CORPORATE GOVERNANCE CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS DIRECTOR COMPENSATION EXECUTIVE OFFICERS EXECUTIVE COMPENSATION Employment Agreements and Potential Payments upon Termination or Change-in-Cont

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

May 1, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38952 CAMBIUM NETWORK

May 1, 2026 EX-97.1

Cambium Networks corporation POLICY ON RECOUPMENT OF INCENTIVE COMPENSATION

Exhibit 97.1 Cambium Networks corporation POLICY ON RECOUPMENT OF INCENTIVE COMPENSATION Introduction The Board of Directors (the “Board”) of Cambium Networks Corporation (the “Company”) has adopted this Policy on Recoupment of Incentive Compensation (this “Policy”), which provides for the recoupment of compensation in certain circumstances in the event of a restatement of financial results by the

May 1, 2026 EX-10.48

(Signature page to follow)

Exhibit 10.48 CAMBIUM NETWORKS CORPORATION AGREEMENT FOR THE PAYMENT OF BENEFITS FOLLOWING TERMINATION OF EMPLOYMENT AGREEMENT dated as of October 1, 2025 (the “Effective Date”) between Cambium Networks Corporation, an exempted company incorporated with limited liability under the laws of the Cayman Islands (the “Company”), and [ ] (the “Employee”). W I T N E S S E T H: WHEREAS, the Company and th

April 30, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

April 30, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

April 30, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

April 7, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38952 CAMBIUM NETWORK

April 7, 2026 EX-97.CLAWBACK

CAMBIUM NETWORKS CORPORATION IMPROPER CONDUCT CLAWBACK POLICY

Exhibit 97 CAMBIUM NETWORKS CORPORATION IMPROPER CONDUCT CLAWBACK POLICY Introduction The Board of Directors (the “Board”) of Cambium Networks Corporation (the “Company”) believes it is prudent to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy.

April 7, 2026 EX-19.INSIDER

just deleteCAMBIUM NETWORKS Insider Trading Policy (Adopted by the Board of Directors effective as of June 25, 2019)

Exhibit 19 just deleteCAMBIUM NETWORKS Insider Trading Policy (Adopted by the Board of Directors effective as of June 25, 2019) 1.

March 31, 2026 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One) ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on

March 26, 2026 8-K/A

FORM 8-K/A Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 25, 2026 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

March 26, 2026 8-K

FORM 8-K Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 25, 2026 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

March 26, 2026 EX-99.1

Cambium Networks Announces Nasdaq Delisting

Exhibit 99.1 Cambium Networks Announces Nasdaq Delisting HOFFMAN ESTATES, IL, March 26, 2026 – Cambium Networks Corporation (“Cambium Networks” or the “Company”) (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on March 25, 2026, the Company received a notice from the Nasdaq Hearings Panel (the “Panel”) that the Panel has determined to delist the ordinary sha

March 26, 2026 EX-99.1

Cambium Networks Announces Nasdaq Delisting

Exhibit 99.1 Cambium Networks Announces Nasdaq Delisting HOFFMAN ESTATES, IL, March 26, 2026 – Cambium Networks Corporation (“Cambium Networks” or the “Company”) (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on March 25, 2026, the Company received a notice from the Nasdaq Hearings Panel (the “Panel”) that the Panel has determined to delist the ordinary sha

January 15, 2026 8-K

FORM 8-K Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 09, 2026 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

December 18, 2025 EX-99.1

Cambium Networks Announces Compliance with Minimum Bid Price Rule and Appointment of Interim Chief Financial Officer

Exhibit 99.1 Cambium Networks Announces Compliance with Minimum Bid Price Rule and Appointment of Interim Chief Financial Officer HOFFMAN ESTATES, IL, December 18, 2025 – Cambium Networks Corporation (“Cambium Networks”, “Cambium” or the “Company”) (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on December 12, 2025, the Company received a partial compliance

December 18, 2025 8-K

FORM 8-K Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 12, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

December 5, 2025 EX-99.1

Cambium Networks Announces Nasdaq Hearings Panel Has Granted Continued Listing

Exhibit 99.1 Cambium Networks Announces Nasdaq Hearings Panel Has Granted Continued Listing HOFFMAN ESTATES, IL, December 5, 2025 – Cambium Networks Corporation (“Cambium Networks” or the “Company”) (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on December 3, 2025, the Company received a decision letter (“Decision Letter”) from the Nasdaq Hearings Panel (t

December 5, 2025 8-K

FORM 8-K Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 03, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

December 3, 2025 8-K

FORM 8-K Item 4.01 Changes in Registrant’s Certifying Accountant. Item 9.01 Financial Statements and Exhibits. (d) Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 26, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

December 3, 2025 EX-16.1

grant thornton llp

grant thornton llp Grant Thornton Tower 171 N. Clark St., Suite 200 D +1 312 856 0200 F +1 312 602 8099 Exhibit 16.1 December 3, 2025 U.S. Securities and Exchange Commission Office of the Chief Accountant 100 F Street, NE Washington, DC 20549 Re: Cambium Networks Corporation File No. 001-38952 Dear Sir or Madam: We have read Item 4.01 of Form 8-K of Cambium Networks Corporation dated December 3, 2

December 1, 2025 8-K

FORM 8-K Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 25, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

December 1, 2025 EX-99.1

Cambium Networks receives additional Nasdaq Staff Determination Letter

Exhibit 99.1 Cambium Networks receives additional Nasdaq Staff Determination Letter HOFFMAN ESTATES, IL, December 1, 2025 – Cambium Networks Corporation (“Cambium Networks” or the “Company”) (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on November 25, 2025, the Company received an additional staff determination letter (“Staff Determination Letter”) from t

November 18, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

November 18, 2025 EX-99.1

CAMBIUM NETWORKS PROVIDES FINANCIAL UPDATE

Exhibit 99.1 CAMBIUM NETWORKS PROVIDES FINANCIAL UPDATE HOFFMAN ESTATES, Ill., November 18, 2025 — Cambium Networks Corporation (“Cambium Networks” or “Cambium”) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced an update on recent financial and commercial activity. Financial Highlights (unaudited): • Cambium billed approximately $43 million of shi

November 17, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One) ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: September 30, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report o

October 16, 2025 8-K

FORM 8-K Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 10, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

October 16, 2025 EX-99.1

Cambium Networks receives Nasdaq Staff Determination Letter; Will Seek Hearing & Continued Listing

Exhibit 99.1 Cambium Networks receives Nasdaq Staff Determination Letter; Will Seek Hearing & Continued Listing HOFFMAN ESTATES, IL, October 16, 2025 – Cambium Networks Corporation (“Cambium Networks” or the “Company”) (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on October 10, 2025, it received a staff determination letter (“Staff Determination Letter”)

August 26, 2025 8-K

FORM 8-K Item 3.01 Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 25, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

August 26, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Item 9.01 Financial Stateme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

August 26, 2025 EX-99.1

Cambium Networks receives delinquency notice from Nasdaq

Exhibit 99.1 Cambium Networks receives delinquency notice from Nasdaq HOFFMAN ESTATES, IL, Aug 26, 2025 – Cambium Networks Corporation (“Cambium Networks” or the “Company”) (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on August 25, 2025, it received a delinquency letter (the “delinquency notice”) from The Nasdaq Stock Market LLC ("Nasdaq") notifying the C

August 26, 2025 EX-99.1

CAMBIUM NETWORKS PROVIDES COMMERCIAL UPDATE AND UPDATE ON EXECUTIVE OFFICER TRANSITION

Exhibit 99.1 CAMBIUM NETWORKS PROVIDES COMMERCIAL UPDATE AND UPDATE ON EXECUTIVE OFFICER TRANSITION HOFFMAN ESTATES, Ill., August 26, 2025 — Cambium Networks Corporation (“Cambium Networks” or “Cambium”) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced an update on recent commercial activity. Financial Highlights (unaudited): • Cambium billed appr

August 11, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One) ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: June 30, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on For

August 11, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 4.02 Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 07, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952 Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) c/o Cambium Networks, Inc. 2000 Center

May 30, 2025 EX-1.01

CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2024 TO DECEMBER 31, 2024 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 1.01 CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2024 TO DECEMBER 31, 2024 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Cambium Networks Corporation and its subsidiaries (herein referred to as “Cambium Networks”, the “Company”, “we”, “our” and “us”) is committed to fair trade practices and a company culture that promo

May 27, 2025 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 22, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (Co

May 27, 2025 EX-99.1

Cambium Networks receives deficiency notice from Nasdaq

Exhibit 99.1 Cambium Networks receives deficiency notice from Nasdaq HOFFMAN ESTATES, IL, May 27, 2025 – Cambium Networks (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on May 22, 2025, it received a delinquency letter (the “deficiency notice”) from The Nasdaq Stock Market LLC ("Nasdaq") notifying the Company that it continues to be out of compliance with N

May 15, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One) ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: March 31, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on Fo

April 21, 2025 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 16, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

April 21, 2025 EX-99.1

Cambium Networks receives deficiency notice from Nasdaq

Exhibit 99.1 Cambium Networks receives deficiency notice from Nasdaq HOFFMAN ESTATES, IL, April 21, 2025 – Cambium Networks (NASDAQ: CMBM), a leading global provider of networking solutions, announced today that on April 16, 2025, it received an additional delinquency letter (the “second deficiency notice”) from The Nasdaq Stock Market LLC ("Nasdaq") notifying the Company that it continues to be o

April 14, 2025 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 10, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

March 31, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 31, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

March 31, 2025 EX-99.1

Cambium Networks to Delay Form 10-K Filing for Fiscal Year 2024

Exhibit 99.1 Cambium Networks to Delay Form 10-K Filing for Fiscal Year 2024 Hoffman Estates, IL, March 31, 2025 - Cambium Networks Corporation (“Cambium Networks” or the “Company”) (NASDAQ: CMBM), a leading provider of wireless and wired networking infrastructure solutions, today announced that it has filed a Notification of Late Filing on Form 12b-25 with respect to its Annual Report on Form 10-

March 31, 2025 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One) ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: December 31, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on

February 25, 2025 8-K

Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2025 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

November 14, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 08, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

November 12, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

November 12, 2024 SC 13G

CMBM / Cambium Networks Corporation / PARADIGM CAPITAL MANAGEMENT INC/NY Passive Investment

SC 13G 1 cmbm13gnov122024.txt SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 SCHEDULE 13G (Rule 13d-102) CAMBIUM NETWORKS CORPORATION (Name of Issuer) Common Stock G17766109 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [ ] Rule 13d-1(c

November 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 07, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

November 7, 2024 EX-99.1

Cambium Networks Reports Third Quarter 2024 Financial Results

Exhibit 99.1 Cambium Networks Reports Third Quarter 2024 Financial Results • Revenues of $43.7 million decreased 5% sequentially • Gross margin of 39.9% and non-GAAP(1) gross margin of 42.3%, both higher sequentially • Operating loss of $8.1 million, non-GAAP(1) operating loss of $3.6 million • Net loss of $9.7 million or a loss of $0.34 per diluted share; non-GAAP(1) net loss of $3.8 million or a

August 27, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

August 9, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

August 9, 2024 EX-10.50

Separation agreement dated as of May 30, 2024 between Cambium Networks, Inc. and Archana Nirwan

Exhibit 10.50 SEPARATION AND GENERAL RELEASE AGREEMENT This Separation and General Release Agreement (the “Agreement”) is made by and between Archana Nirwan (the “Employee”) and Cambium Networks, Inc. (“Cambium” or the “Company”) (collectively, the “Parties”). WHEREAS, the Company and Employee have agreed to terminate Employee’s employment with the Company Group (as defined below) and, in accordan

August 8, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 08, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

August 8, 2024 EX-99.1

Cambium Networks Reports Second Quarter 2024 Financial Results

Exhibit 99.1 Cambium Networks Reports Second Quarter 2024 Financial Results • Revenues of $45.9 million increased 9% sequentially • Gross margin of 31.4%, non-GAAP(1) gross margin of 33.5% • Operating loss of $12.1 million, non-GAAP(1) operating loss of $7.9 million • Net loss of $9.1 million or a loss of $0.33 per diluted share, non-GAAP(1) net loss of $7.1 million or a loss of $0.25 per diluted

July 24, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (C

June 6, 2024 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 06, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (C

June 4, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 30, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (Co

May 29, 2024 EX-1.01

Cambium Networks Corporation Conflict Minerals Report for the Reporting Period January 1, 2023 to December 31, 2023.

Exhibit 1.01 CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2023 TO DECEMBER 31, 2023 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Cambium Networks Corporation and its subsidiaries (herein referred to as “Cambium Networks,” the “Company,” “we,” “our” and “us”) is committed to fair trade practices and a company culture that promo

May 29, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952 Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) c/o Cambium Networks, Inc. 2000 Center

May 10, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

May 9, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 09, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (Co

May 9, 2024 EX-99.1

Cambium Networks Reports First Quarter 2024 Financial Results

Exhibit 99.1 Cambium Networks Reports First Quarter 2024 Financial Results • Revenues of $42.3 million, increased 5% sequentially, and decreased 45% year-over-year • Gross margin of 20.5%, non-GAAP(1) gross margin of 22.7% • Operating loss of $21.0 million, non-GAAP(1) operating loss of $16.7 million • Net loss of $26.4 million or a loss of $0.95 per diluted share, non-GAAP(1) net loss of $12.7 mi

April 26, 2024 LETTER

LETTER

United States securities and exchange commission logo April 26, 2024 Jacob Sayer Chief Financial Officer Form 10-K for the year ended December 31, 2023 2000 Center Drive, Suite East A401 Hoffman Estates, Illinois 60192 Re: Form 10-K for the year ended December 31, 2023 File No.

April 25, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 25, 2024 CORRESP

* * * *

Walkers Corporate Limited, 190 Elgin Avenue George Town, Grand Cayman KY1-9008 Cayman Islands VIA EDGAR April 25, 2024 Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing 100 F Street, NE Washington, D.

April 25, 2024 ARS

ARS

UNITEDSTATES SECURITIESANDEXCHANGECOMMISSION Washington,D.C.20549 FORM10-K (MarkOne) ☒ ☒ ANNUALREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 ForthefiscalyearendedDecember31,2023 OR ☐ ☐ TRANSITIONREPORTPURSUANTTOSECTION13OR15(d)OFTHESECURITIESEXCHANGEACTOF1934 FORTHETRANSITIONPERIODFROMTO CommissionFileNumber001-38952 CAMBIUMNETWORKSCORPORATION (ExactnameofRegistrantasspecifiedin

April 25, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 16, 2024 LETTER

LETTER

United States securities and exchange commission logo April 15, 2024 Jacob Sayer Chief Financial Officer Form 10-K for the year ended December 31, 2023 2000 Center Drive, Suite East A401 Hoffman Estates, Illinois 60192 Re: Form 10-K for the year ended December 31, 2023 File No.

April 11, 2024 EX-16.1

Letter from KPMG LLP to the Securities and Exchange Commission dated April 11, 2024.

Exhibit 16.1 KPMG LLP Aon Center Suite 5500 200 E. Randolph Street Chicago, IL 60601-6436 April 11, 2024 Securities and Exchange Commission Washington, District of Columbia. 20549 Ladies and Gentlemen: We were previously principal accountants for Cambium Networks Corporation and subsidiaries (the Company), and under the date of March 15, 2024, we reported on the consolidated financial statements o

April 11, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 05, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

April 2, 2024 EX-10.49

Employment agreement, dated as of March 11, 2024, between Cambium Networks, Inc. and Jacob Sayer

Exhibit 10.49 3800 Golf Road, Suite 360 • Rolling Meadows, IL 60008 • USA March 8, 2024 Jacob Sayer Via Email Mobile: 508-838-7113 Email: [email protected] Re: Offer of Employment as Chief Financial Officer Dear Jacob, I am pleased to extend you an offer of employment with Cambium Networks, Inc. (“Cambium” or the “Company”) as the Chief Financial Officer (“CFO”) of Cambium Networks Corporation

April 2, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 02, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

April 2, 2024 EX-99.1

Cambium Networks Corporation Names Jacob Sayer CFO

Exhibit 99.1 Cambium Networks Corporation Names Jacob Sayer CFO HOFFMAN ESTATES, Ill., April 2, 2024 — Cambium Networks Corporation (“Cambium Networks”) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced the appointment of Jacob Sayer as Chief Financial Officer, effective April 8, 2024. He will be responsible for Cambium’s financial strategies and w

March 18, 2024 S-8

As filed with the Securities and Exchange Commission on March 18, 2024

As filed with the Securities and Exchange Commission on March 18, 2024 Registration No.

March 18, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Cambium Networks Corporation (Exact Name of Registrant as Specified in its Charter) Table 1 - Newly Registered Securities Security Type Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Equity Ordinary Shares, par value $0.

March 15, 2024 EX-99.1

Cambium Networks Reports Fourth Quarter and Full Year 2023 Financial Results

Exhibit 99.1 Cambium Networks Reports Fourth Quarter and Full Year 2023 Financial Results • Revenues of $40.2 million, decreased 7% sequentially, and decreased 52% year-over-year • Gross margin of (27.4)%, non-GAAP(1) gross margin of (25.1)% • Operating loss of $41.6 million, non-GAAP(1) operating loss of $36.4 million • Net loss of $52.9 million or a loss of $1.91 per diluted share, non-GAAP(1) n

March 15, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38952 CAMBIUM NETWORK

March 15, 2024 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 15, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporati

March 15, 2024 EX-10.48

Separation Agreement, dated as of January 30, 2024, between Cambium Networks, Inc. and Andrew Bronstein

Exhibit 10.48 SEPARATION AND GENERAL RELEASE AGREEMENT This Separation and General Release Agreement (the “Agreement”) is made by and between Andrew Bronstein (the “Employee”) and Cambium Networks, Inc. (“Cambium” or the “Company”) (collectively, the “Parties”). WHEREAS, the Company and the Employee have mutually agreed to the termination of Employee’s employment with the Company Group (as defined

February 15, 2024 EX-99.1

Cambium Networks Reports Fourth Quarter and Full Year 2023 Financial Results

Exhibit 99.1 Cambium Networks Reports Fourth Quarter and Full Year 2023 Financial Results • Revenues of $40.2 million, decreased 7% sequentially, and decreased 52% year-over-year • Gross margin of (21.7)%, non-GAAP(1) gross margin of (19.4)% • Operating loss of $39.3 million, non-GAAP(1) operating loss of $34.1 million • Net loss of $39.0 million or a loss of $1.41 per diluted share, non-GAAP(1) n

February 15, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 15, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

January 18, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 18, 2024 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

January 18, 2024 EX-99.1

Cambium Networks Corporation Announces Preliminary Fourth Quarter 2023 Revenues, Reporting Date and CFO Transition

Exhibit 99.1 Cambium Networks Corporation Announces Preliminary Fourth Quarter 2023 Revenues, Reporting Date and CFO Transition ROLLING MEADOWS, Ill., Jan. 18, 2024 — Cambium Networks Corporation (“Cambium Networks”) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced preliminary revenues for the fourth quarter 2023 ended December 31, 2023. Cambium p

January 5, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

January 5, 2024 EX-10.47

Second Amendment to Credit Agreement dated December 29, 2023

Exhibit 10.47 EXECUTION VERSION SECOND AMENDMENT TO CREDIT AGREEMENT THIS SECOND AMENDMENT TO CREDIT AGREEMENT (this “Amendment”) is entered into as of December 29, 2023 by and among CAMBIUM NETWORKS, LTD, a private limited company registered under the laws of England and Wales under company number 07752773 (the “Borrower”), CAMBIUM NETWORKS CORPORATION, an exempted company incorporated under the

November 3, 2023 EX-10.44

First Amendment to Office Lease, dated October 16, 2023, by and between Cambium Networks, Inc. and Hoffman Estates Acquisition LLC and Hoffman Estates Acquisition II LLC

Exhibit 10.44 FIRST AMENDMENT TO OFFICE LEASE AGREEMENT THIS FIRST AMENDMENT TO OFFICE LEASE AGREEMENT (this “First Amendment”) is entered into as of October 16, 2023 (the “Amendment Effective Date”) by and between Hoffman Estates Acquisitions LLC, a Delaware limited liability company and Hoffman Estates Acquisitions II LLC, a Delaware limited liability company (collectively, the “Landlord”), and

November 3, 2023 EX-10.46

Separation Agreement, dated as of August 1, 2023, between Cambium Networks, Inc. and Atul Bhatnagar

Exhibit 10.46 SEPARATION AND GENERAL RELEASE AGREEMENT This Separation and General Release Agreement (the “Agreement”) is made by and between Atul Bhatnagar (the “Employee”) and Cambium Networks, Inc. (“Cambium” or the “Company”) (collectively, the “Parties”). WHEREAS, the Company and Employee have agreed to terminate Employee’s employment with the Company Group (as defined below) and, in accordan

November 3, 2023 EX-10.45

Employment agreement, dated as of August 1, 2023 between Cambium Networks, Inc. and Morgan Kurk

Exhibit 10.45 CAMBIUM NETWORKS, INC. EMPLOYMENT AGREEMENT EMPLOYMENT AGREEMENT (this “Agreement”) dated as of August 1, 2023, between Cambium Networks, Inc., a Delaware corporation (the “Company”), and Morgan Kurk (the “Employee”). Recitals: The Company desires to employ the Employee as the Chief Executive Officer of the Company. NOW, THEREFORE, in consideration of the foregoing, of the mutual pro

November 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

November 2, 2023 8-K

Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 02, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

November 2, 2023 EX-99.1

Cambium Networks Reports Third Quarter 2023 Financial Results

Exhibit 99.1 Cambium Networks Reports Third Quarter 2023 Financial Results • Revenues of $43.0 million, decreased 28% sequentially, and decreased 47% year-over-year • Gross margin of 25.5%, non-GAAP(1) gross margin of 27.7% • Operating loss of $22.1 million, non-GAAP(1) operating loss of $15.5 million • Net loss of $26.2 million or a loss of $0.95 per diluted share, non-GAAP(1) net loss of $12.1 m

October 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 04, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

October 4, 2023 EX-99.1

Cambium Networks Corporation Announces Preliminary Third Quarter 2023 Revenues and Reporting Date

Exhibit 99.1 Cambium Networks Corporation Announces Preliminary Third Quarter 2023 Revenues and Reporting Date ROLLING MEADOWS, Ill., Oct. 4, 2023 — Cambium Networks Corporation (“Cambium Networks”) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced preliminary revenues for the third quarter 2023 ended Sept. 30, 2023. Cambium plans to report full fi

August 3, 2023 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 01, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

August 3, 2023 EX-99.1

Cambium Networks Reports Second Quarter 2023 Financial Results Morgan Kurk Announced as President & Chief Executive Officer

Exhibit 99.1 Cambium Networks Reports Second Quarter 2023 Financial Results Morgan Kurk Announced as President & Chief Executive Officer • Revenues of $59.5 million, decreased 23% sequentially, and decreased 14% year-over-year • Record Point-to-Point revenues of $25.1 million, up 39% sequentially, and increased 60% year-over-year • Gross margin of 49.1%, non-GAAP(1) gross margin of 50.3% • Operati

August 2, 2023 EX-10.40

First Amendment to Credit Agreement dated as of June 9, 2023 between Cambium Networks and Bank of America

Exhibit 10.40 EXECUTION VERSION FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”) is entered into as of June 9, 2023 by and among CAMBIUM NETWORKS, LTD, a private limited company registered under the laws of England and Wales under company number 07752773 (the “Borrower”), CAMBIUM NETWORKS CORPORATION, an exempted company incorporated under the laws of

August 2, 2023 EX-10.43

Office Lease, dated as of June 1, 2023, buy and between Cambium Networks, Inc. and Hoffman Estates Acquisition LLC and Hoffman Estates Acquisitions II LLC

Exhibit 10.43 BELL WORKS CHICAGOLAND 2000 CENTER DRIVE HOFFMAN ESTATES, ILLINOIS OFFICE LEASE AGREEMENT between Hoffman Estates Acquisitions LLC, a Delaware limited liability company, and Hoffman Estates Acquisitions II LLC, a Delaware limited liability company collectively, Landlord and CAMBIUM NETWORKS, INC., a Delaware corporation Tenant TABLE OF CONTENTS Page 1. CERTAIN PROVISIONS AND DEFINITI

August 2, 2023 EX-10.42

Form of Performance-Based Share Option Award Agreement

Exhibit 10.42 CAMBIUM NETWORKS CORPORATION 2019 SHARE INCENTIVE PLAN Perfomance Share Option Award Notice [Name of Optionee] You have been awarded an option to purchase ordinary shares, par value $0.0001 per share (“Ordinary Shares”), of Cambium Networks Corporation, an exempted company incorporated with limited liability under the laws of the Cayman Islands (the “Company”), pursuant to the terms

August 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

August 2, 2023 EX-10.41

Form of Performance-Based Share Unit Notice and Agreement

Exhibit 10.41 Cambium Networks Corporation 2019 Share Incentive Plan Performance Share Unit Award Notice [Name of Holder] You have been awarded performance share units with respect to ordinary shares, par value $0.0001 per share (“Ordinary Shares”), of Cambium Networks Corporation, an exempted company incorporated with limited liability under the laws of the Cayman Islands (the “Company”), pursuan

August 1, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 01, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

August 1, 2023 EX-99.1

Cambium Networks Reports Second Quarter 2023 Financial Results Morgan Kurk Announced as President & Chief Executive Officer

Exhibit 99.1 Cambium Networks Reports Second Quarter 2023 Financial Results Morgan Kurk Announced as President & Chief Executive Officer • Revenues of $59.5 million, decreased 23% sequentially, and increased 14% year-over-year • Record Point-to-Point revenues of $25.1 million, up 39% sequentially, and increased 60% year-over-year • Gross margin of 49.1%, non-GAAP(1) gross margin of 50.3% • Operati

June 6, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 06, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (C

May 30, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952 Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) c/o Cambium Networks, Inc. 3800 Golf Ro

May 30, 2023 EX-1.01

Cambium Networks Corporation Conflict Minerals Report for the Reporting Period January 1, 2022 to December 31, 2022.

Exhibit 1.01 CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2022 TO DECEMBER 31, 2022 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Cambium Networks Corporation and its subsidiaries (herein referred to as “Cambium Networks,” the “Company,” “we,” “our” and “us”) is committed to fair trade practices and a company culture that promo

May 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

May 8, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 08, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (Co

May 8, 2023 EX-99

Cambium Networks Reports First Quarter 2023 Financial Results

Exhibit 99.1 Cambium Networks Reports First Quarter 2023 Financial Results • Revenues of $77.4 million, decreased 8% sequentially, and increased 25% year-over-year • Enterprise revenues of $35.7 million, up 11% sequentially, and increased 130% year-over-year • Gross margin of 51.2%, non-GAAP(1) gross margin of 52.1% • Operating income of $5.6 million, non-GAAP(1) operating income of $9.4 million •

April 25, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ☒ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material under § 240.

April 25, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ☒ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material under § 240.

March 1, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Cambium Networks Corporation (Exact Name of Registrant as Specified in its Charter) Table 1 - Newly Registered Securities Security Type Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Equity Ordinary Shares, par value $0.

March 1, 2023 S-8

As filed with the Securities and Exchange Commission on March 1, 2023

As filed with the Securities and Exchange Commission on March 1, 2023 Registration No.

February 27, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38952 CAMBIUM NETWORK

February 16, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 16, 2023 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

February 16, 2023 EX-99

Cambium Networks Reports Fourth Quarter and Full Year 2022 Financial Results

Exhibit 99.1 Cambium Networks Reports Fourth Quarter and Full Year 2022 Financial Results • Revenues of $84.5 million, increased 4% sequentially, and 7% year-over-year • North America revenues of $44.4 million, grew 47% sequentially, and increased 33% year-over-year • Gross margin of 49.0%, non-GAAP(1) gross margin of 49.6% • Operating income of $9.5 million, non-GAAP(1) operating income of $13.2

November 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

November 3, 2022 EX-99.1

Cambium Networks Reports Third Quarter 2022 Financial Results

Exhibit 99.1 Cambium Networks Reports Third Quarter 2022 Financial Results ? Revenues of $81.2 million, increased 17% sequentially, and 7% year-over-year ? Record Enterprise (Wi-Fi) revenues of $38.3 million, increased 60% sequentially and 257% year-over-year ? Gross margin of 50.7%, non-GAAP(1) gross margin of 51.3% ? Operating income of $10.0 million, non-GAAP(1) operating income of $13.8 millio

November 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 03, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

August 18, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

August 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

August 4, 2022 EX-99.1

Non-GAAP (1)

Exhibit 99.1 Cambium Networks Reports Second Quarter 2022 Financial Results ? Revenues of $69.3 million, increased 12% sequentially, and decreased 25% year-over-year ? Enterprise Wi-Fi revenues of $24.0 million, increased 55% sequentially and 31% year-over-year ? Gross margin of 48.3%, non-GAAP(1) gross margin of 48.9% ? Operating income of $2.7 million, non-GAAP(1) operating income of $6.3 millio

August 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 04, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation)

June 7, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 07, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (C

May 31, 2022 EX-1.01

Cambium Networks Corporation Conflict Minerals Report for the Reporting Period January 1, 2021 to December 31, 2021.

EX-1.01 2 cmbm-ex101.htm EX-1.01 Exhibit 1.01 CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2021 TO DECEMBER 31, 2021 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Cambium Networks Corporation and its subsidiaries (herein referred to as “Cambium Networks,” the “Company,” “we,” “our” and “us”) is committed to fair trade practices

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952 Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) c/o Cambium Networks, Inc. 3800 Golf Ro

May 6, 2022 EX-10.40

Separation Agreement, dated as of April 27, 2022, between Cambium Networks, Inc. and Stephen Cumming

Exhibit 10.40 SEPARATION AND GENERAL RELEASE AGREEMENT This Separation and General Release Agreement (the ?Agreement?) is made by and between Stephen Cumming (the ?Employee?) and Cambium Networks, Inc. (?Cambium? or the ?Company?) (collectively, the ?Parties?). WHEREAS, the Company and Employee have agreed to terminate Employee?s employment with the Company Group (as defined below) and, in accorda

May 6, 2022 EX-10.39

Offer Letter, dated as of April 10, 2022, between Cambium Networks, Inc. and Andrew Bronstein

Exhibit 10.39 April 10, 2022 Andrew Bronstein 3175 Doe Brook Road P.O. Box 737 Worcester, PA 19490 Dear Andrew, I am pleased to extend you an offer of employment with Cambium Networks, Inc. (?Cambium? or the ?Company?) as the Chief Financial Officer of Cambium Networks Corporation (the ?Parent?), commencing April 13, 2022. Your principal place of employment will be Chicago, Illinois, with travel c

May 6, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

May 5, 2022 EX-99.1

Cambium Networks Reports First Quarter 2022 Financial Results

Exhibit 99.1 Cambium Networks Reports First Quarter 2022 Financial Results • Revenues of $61.9 million, decreased 21% sequentially, and decreased 30% year-over-year • Enterprise Wi-Fi revenues of $15.5 million, increased 28% year-over-year • Gross margin of 47.1%, non-GAAP(1) gross margin of 47.8% • Operating loss of $2.2 million, non-GAAP(1) operating income of $1.0 million • Net loss of $1.6 mil

May 5, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 05, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (Co

April 29, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

April 25, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ? Filed by the Registrant ? Filed by a Party other than the Registrant Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material under ? 240.

April 18, 2022 EX-99.1

Cambium Networks Corporation Names Andrew Bronstein CFO

Exhibit 99.1 Cambium Networks Corporation Names Andrew Bronstein CFO ROLLING MEADOWS, Ill., April 13, 2022 ? Cambium Networks Corporation (?Cambium Networks?) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced the departure of Stephen Cumming as Chief Financial Officer, effective immediately. The board has appointed Andrew Bronstein as Chief Financi

April 18, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

April 13, 2022 EX-99.1

Cambium Networks Corporation Announces Preliminary First Quarter 2022 Revenues and Reporting Date

Exhibit 99.1 Cambium Networks Corporation Announces Preliminary First Quarter 2022 Revenues and Reporting Date ROLLING MEADOWS, Ill., April 13, 2022 ? Cambium Networks Corporation (?Cambium Networks?) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced select preliminary financial results for the first quarter 2022 ended March 31, 2022 and plans to r

April 13, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 13, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation) (

February 25, 2022 S-8

As filed with the Securities and Exchange Commission on February 25, 2022

As filed with the Securities and Exchange Commission on February 25, 2022 Registration No.

February 25, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 4 cmbm-exfilingfees44.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Cambium Networks Corporation (Exact Name of Registrant as Specified in its Charter) Table 1 - Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee

February 24, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38952 CAMBIUM NETWORK

February 24, 2022 EX-10.38

First Amendment to Lease, dated as of December 9 2021, by and between Cambium Networks, Inc. and Silicon Valley Center Office LLC

Exhibit 10.38 FIRST AMENDMENT TO LEASE I. PARTIES AND DATE. This First Amendment to Lease Amendment dated , by and between SILICON VALLEY CENTER OFFICE LLC, a Delaware limited liability company ( Landlord ), and CAMBIUM NETWORKS, INC., a Delaware corporation, Tenant II. RECITALS. Landlord and Tenant entered into an office space lease dated December 4, 2017 Lease space consisting of 8,825 Premises

February 24, 2022 EX-10.36

Lease Deed, dated as of April 12, 2021, by and between Cambium Networks Private Limited and Mr. Jimmy Paymaster and Qualitas Property Consulting LLP

Exhibit 10.36 LEASE DEED THIS LEASE DEED together with its schedules and annexures (hereinafter referred to as the ?Lease Deed?) is executed at Bangalore on this the 12th day of April, Two Thousand Twenty One ( 12 - 04 - 2021) (?Effective Date?). BETWEEN Mr. Jimmy Paymaster, aged 59 years, residing at F. Madhu Kunj, 2/8, Artillery Road, Ulsoor, Bangalore 560008, holder of PAN: ABZPP1445L (hereinaf

February 24, 2022 EX-10.37

Lease Deed, dated as of August 5, 2021, by and between Cambium Networks Private Limited and Umiya Holdings Private Limited and Others

EX-10.37 3 cmbm-ex1037.htm EX-10.37 Exhibit 10.37 LEASE DEED THIS LEASE DEED together with its Schedules and Annexures (hereinafter referred to as the “Lease Deed”) is executed at Bangalore on this the 5th Day of August 2021. BY: 1) Mr. Sharath Kumar S.N and Mr. Murali Mohan S.N, residing at No. 2, 2nd Cross, Shankarmutt Road, Shankarapuram, Bangalore - 560 004. PAN: AHLPS2341E / AHLPS2340F 2) Mr.

February 17, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2022 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as Specified in Its Charter) Cayman Islands 001-38952 00-0000000 (State or Other Jurisdiction of Incorporation

February 17, 2022 EX-99.1

Non-GAAP (1)

Exhibit 99.1 Cambium Networks Reports Fourth Quarter and Full Year 2021 Financial Results ? Revenues of $78.7 million, increased 4% sequentially, and decreased 5% year-over-year ? Enterprise Wi-Fi revenues of $25.8 million, grew 140% sequentially, and increased 136% year-over-year ? Gross margin of 43.8%, non-GAAP(1) gross margin of 44.2% ? Operating income of $2.9 million, non-GAAP(1) operating i

November 18, 2021 EX-10.35

Security Agreement dated as of November 17, 2021 between Cambium Networks and Bank of America

Exhibit 10.35 SECURITY AND PLEDGE AGREEMENT Dated as of November 17, 2021 among CAMBIUM NETWORKS CORPORATION, CAMBIUM (US), L.L.C., CAMBIUM NETWORKS, LTD and CAMBIUM NETWORKS, INC., as Grantors, Each Other Grantor From Time to Time Party Hereto and BANK OF AMERICA, N.A., as Administrative Agent Table of Contents Page Article I. DEFINED TERMS Section 1.1 Definitions 1 Section 1.2 Certain Other Term

November 18, 2021 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorpora

November 18, 2021 EX-10.34

Credit Agreement dated as of November 17, 2021, between Cambium Networks and Bank of America

Exhibit 10.34 CREDIT AGREEMENT Dated as of NOVEMBER 17, 2021 among CAMBIUM NETWORKS, LTD, as the Borrower, CAMBIUM NETWORKS CORPORATION, as Holdings and a Guarantor, CAMBIUM (US), L.L.C., as Intermediate Holdings and a Guarantor, CERTAIN OTHER SUBSIDIARIES OF HOLDINGS PARTY HERETO, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swingline Lender and an L/C Issuer, THE LENDERS PA

November 10, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

November 4, 2021 EX-99.1

Cambium Networks Reports Third Quarter 2021 Financial Results

Exhibit 99.1 Cambium Networks Reports Third Quarter 2021 Financial Results ? Revenues of $75.9 million, decreased 18% sequentially, up 4% year-over-year ? Gross margin of 47.4%, non-GAAP(1) gross margin of 47.8% ? Operating income of $5.8 million, non-GAAP operating income of $8.7 million ? Net income of $4.6 million or $0.16 per diluted share, non-GAAP(1) net income of $6.7 million or $0.23 per d

November 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporat

October 21, 2021 EX-99.1

Cambium Networks Corporation Announces Preliminary Third Quarter 2021 Revenues and Reporting Date

Exhibit 99.1 Cambium Networks Corporation Announces Preliminary Third Quarter 2021 Revenues and Reporting Date ROLLING MEADOWS, Ill., Oct. 21, 2021 ? Cambium Networks Corporation (?Cambium Networks?) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced select preliminary financial results for the third quarter 2021 ended September 30, 2021 and plans t

October 21, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporat

August 9, 2021 EX-99.1

Q2 2021

Exhibit 99.1 Cambium Networks Reports Second Quarter 2021 Financial Results ? Record revenues of $92.7 million, increased 5% sequentially, up 49% year-over-year ? Gross margin of 49.7%, non-GAAP(1) gross margin of 50.0% ? Record operating income of $14.3 million, record non-GAAP operating income of $17.5 million ? Net income of $11.5 million or $0.40 per diluted share, record non-GAAP(1) net incom

August 9, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporatio

August 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

June 9, 2021 SC 13D/A

CMBM / Cambium Networks Corp / Vector Cambium Holdings (Cayman), L.P. - SC 13D/A Activist Investment

SC 13D/A 1 brhc10025631sc13da.htm SC 13D/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* Cambium Networks Corporation (Name of Issuer) Ordinary Shares, $0.0001 par value per share (Title of Class of Securities) G17766109 (CUSIP Number) Vector Cambium Holdings (Cayman), L.P. Vector Capital IV, L.P. Vector Capital

June 9, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 9, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporation)

June 7, 2021 EX-1.1

Underwriting Agreement dated June 2, 2021 by and among Cambium Networks Corporation, the Underwriters and the Selling Shareholders.

EX-1.1 2 cmbm-ex116.htm EX-1.1 Exhibit 1.1 Execution Copy Cambium Networks Corporation 2,000,000 Ordinary Shares, par value $0.0001 per share Underwriting Agreement June 2, 2021 J.P. Morgan Securities LLC As Representative of the several Underwriters listed in Schedule 1 hereto c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Ladies and Gentlemen: Certain shareholders of

June 7, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 2, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporation)

June 3, 2021 424B7

J.P. Morgan Jefferies Raymond James JPM Securities Northland Capital Markets Roth Capital Partners

Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-255851 (To prospectus dated May 12, 2021) 2,000,000 shares Ordinary shares The selling shareholder identified in this prospectus supplement is offering 2,000,000 ordinary shares of Cambium Networks Corporation. We are not selling any shares of our ordinary shares under this prospectus supplement, and we will not receive any of

June 2, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Commission File Number: 001-38952 Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) c/o Cambium Networks, Inc. 3800 Golf Ro

June 2, 2021 EX-1.01

Cambium Networks Corporation Conflict Minerals Report for the Reporting Period January 1, 2020 to December 31, 2020.

EX-1.01 2 cmbm-ex1016.htm EX-1.01 Exhibit 1.01 CAMBIUM NETWORKS CORPORATION CONFLICT MINERALS REPORT FOR THE REPORTING PERIOD JANUARY 1, 2020 TO DECEMBER 31, 2020 IN ACCORDANCE WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Cambium Networks Corporation and its subsidiaries (herein referred to as “Cambium Networks,” the “Company,” “we,” “our” and “us”) is committed to fair trade practice

June 1, 2021 424B7

J.P. Morgan Jefferies Raymond James

Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-255851 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission and is effective. This preliminary prospectus supplement and the accompanying pros

May 10, 2021 CORRESP

May 10, 2021

May 10, 2021 Via EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-3720 Attention: Effie Simpson Re: Cambium Networks Corporation Registration Statement on Form S-3 File No. 333-255851 Acceleration Request Requested Date: May 12, 2021 Requested Time: 4:00 P.M., Eastern Time Ladies and Gentlemen: Pursuant to Rule 461 under the Se

May 10, 2021 LETTER

LETTER

United States securities and exchange commission logo May 10, 2021 Sally J. Rau General Counsel Cambium Networks Corp 3800 Golf Road, Suite 360 Rolling Meadows, Illinois 60008 Re: Cambium Networks Corp Registration Statement on Form S-3 Filed May 7, 2021 File No. 333-255851 Dear Mr. Rau: This is to advise you that we have not reviewed and will not review your registration statement. Please refer t

May 7, 2021 S-3

- S-3

As filed with the U.S. Securities and Exchange Commission on May 6, 2021 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organ

May 7, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

May 6, 2021 EX-99.1

Non-GAAP (1)

Exhibit 99.1 Cambium Networks Reports First Quarter 2021 Financial Results ? Record revenues of $88.5 million, increased 7% sequentially, up 46% year-over-year ? Gross margin of 49.9%, non-GAAP(1) gross margin of 50.1% ? Record operating income of $13.4 million, record non-GAAP operating income of $15.5 million ? Record net income of $19.9 million or $0.70 per diluted share, record non-GAAP(1) net

May 6, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporation)

April 23, 2021 DEF 14A

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ? Filed by the Registrant ? Filed by a Party other than the Registrant Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material under ? 240.

March 1, 2021 EX-4.3

Description of Registrant’s Securities Registered Pursuant to Section 12 of the Securities and Exchange Act of 1934

Exhibit 4.3 DESCRIPTION OF REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following summary describes the capital stock of Cambium Networks Corporation (the ?Company,? ?Cambium,? ?we,? ?us,? and ?our?) and the material provisions of our amended and restated memorandum and articles of association, the shareholders agreement to which we and Vecto

March 1, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on March 1, 2021 Registration No.

March 1, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38952 CAMBIUM NETWORK

February 18, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2021 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorpora

February 18, 2021 EX-99.1

Cambium Networks Reports Fourth Quarter and Full Year 2020 Financial Results

Exhibit 99.1 Cambium Networks Reports Fourth Quarter and Full Year 2020 Financial Results • Record revenues of $82.8 million, increased 13% sequentially, up 29% year-over-year • Gross margin of 51.0%, non-GAAP(1) gross margin of 51.2% • Record net income of $10.5 million or $0.38 per diluted share, record non-GAAP(1) net income of $10.7 million or $0.38 per diluted share • Record Adjusted EBITDA(1

February 18, 2021 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* Cambium Networks Corporation (Name of Issuer) Ordinary Shares, $0.0001 par value per share (Title of Class of Securiti

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* Cambium Networks Corporation (Name of Issuer) Ordinary Shares, $0.0001 par value per share (Title of Class of Securities) G17766109 (CUSIP Number) Vector Cambium Holdings (Cayman), L.P. Vector Capital IV, L.P. Vector Capital Partners IV, L.P. Vector Capital, Ltd. Vect

December 4, 2020 424B7

2,500,000 Shares Ordinary Shares

424B7 Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-250005 (To prospectus dated November 24, 2020) 2,500,000 Shares Ordinary Shares The selling shareholder identified in this prospectus supplement is offering 2,500,000 ordinary shares of Cambium Networks Corporation. We are not selling any shares of our ordinary shares under this prospectus supplement, and we will not rec

December 4, 2020 8-K

Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 3, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporat

December 4, 2020 EX-1.1

Underwriting Agreement dated December 3, 2020 by and among Cambium Networks Corporation, the Underwriters and the Selling Shareholders.

EX-1.1 2 cmbm-ex116.htm EX-1.1 Exhibit 1.1 Execution Copy Cambium Networks Corporation 2,500,000 Ordinary Shares, par value $0.0001 per share Underwriting Agreement December 3, 2020 J.P. Morgan Securities LLC As Representative of the several Underwriters listed in Schedule 1 hereto c/o J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Ladies and Gentlemen: Certain shareholders

December 1, 2020 424B7

Subject to completion, dated December 1, 2020 PRELIMINARY PROSPECTUS SUPPLEMENT

424B7 Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-250005 The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to these securities has been filed with the Securities and Exchange Commission and is effective. This preliminary prospectus supplement and the accompanyin

November 19, 2020 CORRESP

-

CORRESP November 19, 2020 Via EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-3720 Attention: Geoff Kruczek Re: Cambium Networks Corporation Registration Statement on Form S-3 File No. 333-250005 Acceleration Request Requested Date: November 24, 2020 Requested Time: 4:00 P.M., Eastern Time Ladies and Gentlemen: Pursuant to Rul

November 13, 2020 LETTER

LETTER

United States securities and exchange commission logo November 13, 2020 Sally Rau General Counsel Cambium Networks Corp 3800 Golf Road, Suite 360 Rolling Meadows, Illinois 60008 Re: Cambium Networks Corp Registration Statement on Form S-3 Filed November 10, 2020 File No.

November 13, 2020 TEXT-EXTRACT

-

United States securities and exchange commission logo November 13, 2020 Sally Rau General Counsel Cambium Networks Corp 3800 Golf Road, Suite 360 Rolling Meadows, Illinois 60008 Re: Cambium Networks Corp Registration Statement on Form S-3 Filed November 10, 2020 File No.

November 10, 2020 S-3

As filed with the U.S. Securities and Exchange Commission on November 10, 2020

Table of Contents As filed with the U.S. Securities and Exchange Commission on November 10, 2020 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands Not Applicable (State or other jurisdiction o

November 6, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

November 5, 2020 EX-99.1

Cambium Networks Reports Third Quarter 2020 Financial Results

Exhibit 99.1 Cambium Networks Reports Third Quarter 2020 Financial Results • Record revenues of $73.0 million, increased 17% sequentially, up 11% year-over-year • Gross margin of 49.4%, non-GAAP(1) gross margin of 49.7% • Record net income of $5.6 million or $0.21 per diluted share, record non-GAAP(1) net income of $7.8 million or $0.29 per diluted share • Adjusted EBITDA(1) of $11.4 million or 15

November 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporat

October 13, 2020 EX-99.1

Cambium Networks Increases Revenues and Net Income Above High-end of Previous Outlook Announces Preliminary Third Quarter 2020 Record Revenues and Reporting Date

Exhibit 99.1 Cambium Networks Increases Revenues and Net Income Above High-end of Previous Outlook Announces Preliminary Third Quarter 2020 Record Revenues and Reporting Date ROLLING MEADOWS, IL, Oct. 13, 2020 — Cambium Networks Corporation (“Cambium Networks”) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced preliminary unaudited revenues for the

October 13, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 13, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporat

August 12, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

August 11, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporati

August 11, 2020 EX-99.1

Cambium Networks Reports Second Quarter 2020 Financial Results

Exhibit 99.1 Cambium Networks Reports Second Quarter 2020 Financial Results • Revenues of $62.3 million, up 3% sequentially • Gross margin of 48.9%, non-GAAP(1) gross margin of 49.2% • Net income of $3.3 million or $0.13 per diluted share, non-GAAP(1) net income of $4.3 million or $0.16 per diluted share • Adjusted EBITDA(1) of $7.7 million or 12.3% of revenues • Net cash provided by operating act

July 8, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 8, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporation)

July 8, 2020 EX-99.1

Cambium Networks Announces Preliminary Second Quarter 2020 Revenues and Reporting Date Revenues and Net Income Above High-end of Previous Outlook

Exhibit 99.1 Cambium Networks Announces Preliminary Second Quarter 2020 Revenues and Reporting Date Revenues and Net Income Above High-end of Previous Outlook ROLLING MEADOWS, IL, July 8, 2020 — Cambium Networks Corporation (“Cambium Networks”) (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced preliminary unaudited revenues for the second quarter 2

June 26, 2020 EX-99.1

Cambium Networks Adds New Independent Member to Its Board of Directors

Exhibit 99.1 Cambium Networks Adds New Independent Member to Its Board of Directors ROLLING MEADOWS, IL, June 26, 2020 — Cambium Networks Corporation (NASDAQ: CMBM), a leading provider of wireless networking infrastructure solutions, today announced that it has appointed Kevin J. Lynch as an independent member of its board of directors and as a member of its audit committee, effective June 25, 202

June 26, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 25, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporation

June 4, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 3, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporation)

May 13, 2020 DEFA14A

- DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material under § 240.

May 13, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

May 12, 2020 EX-99.1

Cambium Networks Reports First Quarter 2020 Financial Results

Exhibit 99.1 Cambium Networks Reports First Quarter 2020 Financial Results • Revenues of $60.4 million, above the high-end of outlook • Enterprise Wi-Fi revenues, increased 106% year-over-year • Gross margin of 50.7%, non-GAAP(1) gross margin of 51.0% • Net loss of $0.8 million or $0.03 per diluted share, non-GAAP(1) net income of $1.4 million or $0.05 per diluted share • Adjusted EBITDA(1) of $4.

May 12, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporation)

April 24, 2020 DEFA14A

- DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ☒ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material under § 240.

April 24, 2020 DEF 14A

- DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ☒ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material under § 240.

March 24, 2020 EX-10.33

Amended Offer Letter, dated as of March 19, 2020, between Cambium Networks, Inc. and Stephen Cumming

Exhibit 10.33 March 19, 2020 Stephen Cumming c/o Cambium Networks, Inc. 3800 Golf Road, Suite 360 Rolling Meadows, IL 60008 Dear Stephen, This letter agreement serves as a modification to your existing offer letter (the “Offer Letter”) with Cambium Networks, Inc. (the “Company”), dated as of June 27, 2018. The paragraph entitled “Severance” shall be replaced in its entirety with the following: • S

March 24, 2020 10-K

CMBM / Cambium Networks Corporation 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-38952 CAMBIUM NETWORK

March 24, 2020 EX-10.31

Sublease, dated December 1, 2019, by and between Cambium Networks, Inc. and Agfa Corporation

Exhibit 10.31 COMMERCIAL SUBLEASE Effective Date of this Agreement: December 1, 2019 (the “Effective Date,” hereinafter defined) This Agreement is by and between Agfa Corporation (“Sublessor”) located at 611 River Drive Center 3, Elmwood Park, NJ 07407 AND Cambium Networks, Inc. (“Sublessee”) located at 3800 Golf Road, Suite 360, Rolling Meadows, IL 60008 Background A. This is an agreement (the “S

March 24, 2020 EX-10.32

Offer Letter, dated as of June 14, 2018, between Cambium Networks, Inc. and Stephen Cumming

Exhibit 10.32 June 14, 2018 Stephen Cumming c/o Cambium Networks, Inc. 3800 Golf Road, Ste 360 Rolling Meadows, IL 60008 Dear Stephen, I am pleased to extend you an offer of employment with Cambium Networks (“Cambium” or the “Company”) as its Chief Financial Officer, commencing July 9, 2018. Your principal place of employment will be San Jose, California, with travel commensurate with your positio

March 24, 2020 S-8

CMBM / Cambium Networks Corporation S-8 - - S-8

As filed with the Securities and Exchange Commission on March 24, 2020 Registration No.

February 10, 2020 8-K

Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorpora

February 10, 2020 EX-99.1

Cambium Networks Reports Fourth Quarter and Full Year 2019 Financial Results

EX-99.1 2 cmbm-ex9916.htm EX-99.1 Exhibit 99.1 Cambium Networks Reports Fourth Quarter and Full Year 2019 Financial Results • Revenues of $64.1 million, up 1% year-over-year • Enterprise Wi-Fi revenues increased 186% year-over-year, up 14% sequentially • Gross margin of 52.0%, non-GAAP gross margin of 52.4% • Net loss of $1.0 million or $0.04 per diluted share, non-GAAP net income of $2.3 million

February 3, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 28, 2020 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorp

November 12, 2019 EX-99.1

THOMSON REUTERS STREETEVENTS

EX-99.1 2 cmbm-ex9916.htm EX-99.1 Exhibit 99.1 THOMSON REUTERS STREETEVENTS EDITED TRANSCRIPT CMBM.OQ - Q3 2019 Cambium Networks Corp Earnings Call EVENT DATE/TIME: NOVEMBER 07, 2019 / 9:30PM GMT THOMSON REUTERS STREETEVENTS | www.streetevents.com | Contact Us ©2019 Thomson Reuters. All rights reserved. Republication or redistribution of Thomson Reuters content, including by framing or similar mea

November 12, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2019 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporat

November 8, 2019 10-Q

CMBM / Cambium Networks Corporation 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

November 7, 2019 EX-99.1

Cambium Networks Reports Third Quarter 2019 Financial Results

Exhibit 99.1 Cambium Networks Reports Third Quarter 2019 Financial Results • Revenues of $65.7 million, up 11% year-over-year • Wi-Fi revenues increased 132% year-over-year, up 20% sequentially • Gross margin of 48.4%, non-GAAP gross margin of 48.7% • Net income of $2.0 million or $0.08 per diluted share, non-GAAP net income of $3.7 million or $0.15 per diluted share • Adjusted EBITDA(1) of $6.8 m

November 7, 2019 8-K

Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2019 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporat

August 12, 2019 10-Q

CMBM / Cambium Networks Corporation 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Commission File Number: 001-38952 CAMBIUM NETWORKS CORPORATION (Exact Name of Registrant as Specified in its Charter) Cayman Islands Not Applicable (State or other jurisdiction of incorporation or organization) (I.

August 8, 2019 EX-99.1

Cambium Networks Reports Second Quarter 2019 Financial Results

EX-99.1 2 cmbm-ex9916.htm EX-99.1 Exhibit 99.1 Cambium Networks Reports Second Quarter 2019 Financial Results • Record revenues of $69.2 million, up 13% year-over-year • Wi-Fi revenues increased 24% year-over-year, up 51% sequentially • Gross margin of 49.6%, non-GAAP gross margin of 50.1% • Cash provided by operating activities of $6.0 million • Adjusted EBITDA(1) of $8.1 million or 11.8% of reve

August 8, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2019 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorporatio

July 8, 2019 SC 13D

CMBM / Cambium Networks Corporation / Vector Cambium Holdings (cayman), L.p. Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Cambium Networks Corporation (Name of Issuer) Ordinary Shares, $0.0001 par value per share (Title of Class of Securities) G17766109 (CUSIP Number) Vector Cambium Holdings (Cayman), L.P. Vector Capital IV, L.P. Vector Capital Partners IV, L.P. Vector Entrepreneur Fund I

July 1, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2019 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands 001-38952 Not Applicable (State or other jurisdiction of incorpora

July 1, 2019 EX-10.30

Third Amendment to Amended and Restated Credit Agreement dated June 28, 2019

EX-10.30 Exhibit 10.30 THIRD AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT This Third Amendment to Amended and Restated Credit Agreement (this “Amendment”) is made as of June 28, 2019 by and among (i) VECTOR CAMBIUM HOLDINGS (CAYMAN), L.P., an exempted limited partnership formed under the laws of the Cayman Islands with registration number 51343 and having its registered office at Intertrust

June 26, 2019 424B4

Table of contents Page Prospectus summary 1 The offering 10 Summary consolidated financial data 12 Risk factors 14 Cautionary note regarding forward-looking statements 44 Market, industry and other data 46 Use of proceeds 47 Dividend policy 48 Capita

424B4 Table of Contents Filed Pursuant to Rule 424(b)(4) Registration Number 333-231789 5,800,000 shares Ordinary shares This is an initial public offering of ordinary shares by Cambium Networks Corporation.

June 26, 2019 S-8

CMBM / Cambium Networks Corporation S-8 - - REGISTRATION STATEMENT ON FORM S-8

Registration Statement on Form S-8 As filed with the Securities and Exchange Commission on June 25, 2019 Registration No.

June 26, 2019 CT ORDER

CMBM / Cambium Networks Corporation CT ORDER - -

begin 644 filename1 M)5!$1BTQ+C8-)>+CS],-"C$P(# @;V)J#3P\+TQI;F5AF4@,C4O5'EP92]84F5F+U=;,2 R(#%=/CYS=')E86T-"FC>8F)D$&!@ M8F *!!(,?D""L1'$G0TD6*6!1.

June 25, 2019 CORRESP

CMBM / Cambium Networks Corporation CORRESP - -

CORRESP SIDLEY AUSTIN LLP 1001 PAGE MILL ROAD BUILDING 1 PALO ALTO, CA 94304 +1 650 565 7000 +1 650 565 7100 FAX AMERICA • ASIA PACIFIC • EUROPE June 25, 2019 VIA EDGAR AND HAND DELIVERY Securities and Exchange Commission Division of Corporation Finance Office of Telecommunications 100 F Street, N.

June 25, 2019 S-1/A

As filed with the Securities and Exchange Commission on June 25, 2019.

S-1/A 1 d739719ds1a.htm AMENDMENT NO. 3 TO FORM S-1 Table of Contents As filed with the Securities and Exchange Commission on June 25, 2019. Registration No. 333-231789 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 3 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as specified in its

June 25, 2019 REDACTED EXHIBIT

CMBM / Cambium Networks Corporation REDACTED EXHIBIT - -

begin 644 filename1 M)5!$1BTQ+C4-)>+CS],-"C0Q(# @;V)J#3P\+TQI;F5A%LP(# @-C$R M(#7!E+T]B:E-T;3X^[E5ML]VG$@5$E#0)G5]T:(RJ>)%"A98@@0EZ=9]^YUM(*%# ME'6RDMCW8/O(O*@(/F@"(%+0!1@D:0!D'3+,U *TB- JU!<*1E @(I4!L0 MBG.

June 25, 2019 CERT

CERT

The Nasdaq Stock Market LLC · 805 King Farm Blvd. · Rockville, MD 20850 · USA · www.nasdaq.com Will Slattery Vice President Listing Qualifications June 25, 2019 Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Division of Corporation Finance: This is to certify that on June 21, 2019, The Nasdaq Stock Market (the "Exchange") received

June 25, 2019 FWP

Cambium Networks Corporation Update to Preliminary Prospectus Issued June 13, 2019

Free Writing Prospectus Filed Pursuant to Rule 433 under the Securities Act of 1933 Issuer Free Writing Prospectus dated June 25, 2019 Relating to Preliminary Prospectus dated June 13, 2019 Registration Statement No.

June 24, 2019 EX-4.1

Form of Ordinary Share certificate of Registrant

EX-4.1 Exhibit 4.1 ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# PO BOX 43004, Providence, RI 02940-3004 MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 CUSIP/IDENTIFIER XXXXXX XX X Holder ID XXXXXXXXXX Insurance Value 1,000,000.00 Number of Shares 123456 DTC 12345678 123456789012345 Certificate Numbers Num/No. Denom. Total 1234567890/1234567890 1 1 1 1234567890/1234567890 2 2 2 123

June 24, 2019 EX-10.27

Form of Executive Restricted Share Unit Grant

EX-10.27 4 d507740dex1027.htm EX-10.27 Exhibit 10.27 CAMBIUM NETWORKS CORPORATION 2019 SHARE INCENTIVE PLAN Restricted Share Unit Award Notice [Name of Holder] You have been awarded restricted share units with respect to ordinary shares, par value $0.0001 per share (“Ordinary Shares”) of Cambium Networks Corporation, an exempted company incorporated with limited liability under the laws of the Cay

June 24, 2019 EX-10.29

Form of Director Stock Option Grant

EX-10.29 Exhibit 10.29 CAMBIUM NETWORKS CORPORATION 2019 SHARE INCENTIVE PLAN Option Award Notice [Name of Optionee] You have been awarded an option to purchase ordinary shares, par value $0.0001 per share (“Ordinary Shares”) of Cambium Networks Corporation, an exempted company incorporated with limited liability under the laws of the Cayman Islands (the “Company”), pursuant to the terms and condi

June 24, 2019 EX-10.28

Form of Executive Stock Option Grant

Exhibit 10.28 CAMBIUM NETWORKS CORPORATION 2019 SHARE INCENTIVE PLAN Option Award Notice [Name of Optionee] You have been awarded an option to purchase ordinary shares, par value $0.0001 per share (“Ordinary Shares”) of Cambium Networks Corporation, an exempted company incorporated with limited liability under the laws of the Cayman Islands (the “Company”), pursuant to the terms and conditions of

June 24, 2019 S-1/A

As filed with the Securities and Exchange Commission on June 24, 2019.

As filed with the Securities and Exchange Commission on June 24, 2019. Registration No. 333-231789 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CAMBIUM NETWORKS CORPORATION (Exact name of Registrant as specified in its charter) Cayman Islands (State or other jurisdiction of incorporation

June 21, 2019 LETTER

LETTER

June 21, 2019 Sally Rau General Counsel Cambium Networks Corporation 3800 Golf Road, Suite 360 Rolling Meadows, IL 60008 Re: Cambium Networks Corporation Amendment No.

June 21, 2019 8-A12B

Form 8-A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 CAMBIUM NETWORKS CORPORATION (Exact name of registrant as specified in its charter) Cayman Islands Not Applicable (State of incorporation or organization) (I.R.S. Employer Identification No.) 3800

June 21, 2019 CORRESP

CMBM / Cambium Networks Corporation CORRESP - -

CORRESP June 21, 2019 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

June 21, 2019 CORRESP

CMBM / Cambium Networks Corporation CORRESP - -

CORRESP June 21, 2019 Via EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549-3720 Attention: Celeste Murphy Robert Littlepage Greg Dundas Lisa Haynes Etheredge Re: Cambium Networks Corporation Registration Statement on Form S-1 File No. 333-231789 Acceleration Request Requested Date: June 25, 2019 Requested Time: 4:00 P.M. Easter

June 21, 2019 TEXT-EXTRACT

CMBM / Cambium Networks Corporation TEXT-EXTRACT - -

June 21, 2019 Sally Rau General Counsel Cambium Networks Corporation 3800 Golf Road, Suite 360 Rolling Meadows, IL 60008 Re: Cambium Networks Corporation Amendment No.

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