VLTR / Volterra Semiconductor Corp - SEC-arkivering, Årsberetning, Fuldmagtserklæring

Volterra Semiconductor Corp
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CIK 1050550
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 Volterra Semiconductor Corp
SEC Filings (Chronological Order)
Denne side giver en komplet, kronologisk liste over SEC-arkiveringer, eksklusive ejerskabsregistreringer, som vi leverer andre steder.
February 10, 2014 SC 13G/A

VLTR / Volterra Semiconductor Corp / TimesSquare Capital Management, LLC - SCHEDULE 13G AMENDMENT NO. 1 Passive Investment

Schedule 13G Amendment No. 1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)1 Volterra Semiconductor Corporation (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 928708106 (CUSIP Number) December 31, 2013 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

October 11, 2013 15-12G

- FORM 15-12G

FORM 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 VOLTERRA SEMICONDUCTOR CORPORATION (Exact name of registrant as specified in its charter

October 4, 2013 EX-3.2

AMENDED AND RESTATED BYLAWS VOLTERRA SEMICONDUCTOR CORPORATION A DELAWARE CORPORATION AMENDED AND RESTATED OCTOBER 1, 2013 ARTICLE 1

EX-3.2 Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF VOLTERRA SEMICONDUCTOR CORPORATION A DELAWARE CORPORATION AMENDED AND RESTATED OCTOBER 1, 2013 ARTICLE 1 OFFICES 1.1 REGISTERED OFFICE The corporation shall maintain a registered office and registered agent in the State of Delaware. The registered office and/or registered agent of the corporation may be changed from time to time by action of the bo

October 4, 2013 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

Form 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 September 30, 2013 Date of Report (Date of earliest event reported) Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of inco

October 4, 2013 EX-10.1

ADDENDUM TO VOLTERRA SEMICONDUCTOR CORPORATION MANAGEMENT BONUS PLAN Dated September 30, 2013

EX-10.1 Exhibit 10.1 ADDENDUM TO VOLTERRA SEMICONDUCTOR CORPORATION MANAGEMENT BONUS PLAN Dated September 30, 2013 The following terms shall supplement that certain Management Bonus Plan approved by the Compensation Committee of the Board of Directors of Volterra Semiconductor Corporation (the “Company”) on January 18, 2013 (the “Plan”). C. Payment in connection with Merger 1. In connection with t

October 4, 2013 EX-3.1

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION VOLTERRA SEMICONDUCTOR CORPORATION ARTICLE 1

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF VOLTERRA SEMICONDUCTOR CORPORATION ARTICLE 1 The name of the corporation is: Volterra Semiconductor Corporation ARTICLE 2 The address of the corporation’s registered office in the State of Delaware is 2711 Centerville Road, Suite 400, County of New Castle, Wilmington, Delaware 19808. The name of the corporation’s registered ag

October 3, 2013 SC 13D/A

VLTR / Volterra Semiconductor Corp / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1) Volterra Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 928708106 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Autho

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

October 1, 2013 EX-99.(A)(5)(K)

LuAnn Walden, Corporate Communications

EX-99.(A)(5)(K) Exhibit (a)(5)(K) Press Release Media Contact: LuAnn Walden, Corporate Communications Maxim Integrated (408) 601-5430 [email protected] Financial Contacts: Venk Nathamuni, Investor Relations Maxim Integrated (408) 601-5293 [email protected] Mike Burns, Chief Financial Officer Volterra Semiconductor (510) 743-1336 [email protected] Maxim Integrated

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS 1 d605688ds8pos.htm S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-187106 FORM S-8 REGISTRATION STATEMENT NO. 333-179965 FORM S-8 REGISTRATION STATEMENT NO. 333-172735 FORM S-8 REGISTRATION STATEMENT NO. 333-165216 FORM S-8 REGISTRATION STATEMENT NO. 333-157698 FORM S-8 REGISTRATION STA

October 1, 2013 SC TO-T/A

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 4) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) VICTORY MERGER SUB, INC. a Wholly Owned Subsidiary of MAXIM INTEGRATED PRODUCTS, INC. (Names of Filing Per

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

October 1, 2013 SC 14D9/A

- SC 14D9/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 4) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Person Filing Statement) Common Stock, $0.001 par value per share (Title of

October 1, 2013 S-8 POS

- S-8 POS

S-8 POS UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 POST-EFFECTIVE AMENDMENT NO.

September 24, 2013 SC TO-T/A

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 3) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) VICTORY MERGER SUB, INC. a Wholly Owned Subsidiary of MAXIM INTEGRATED PRODUCTS, INC. (Names of Filing Per

September 24, 2013 SC 14D9/A

- SC 14D9/A

SC 14D9/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 3) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Person Filing Statement) Common Stock, $0.001 par value per share

September 24, 2013 EX-99.(A)(5)(J)

1

EX-99.(A)(5)(J) Exhibit (a)(5)(J) Press Release Media Contact: LuAnn Walden, Corporate Communications Maxim Integrated (408) 601-5430 [email protected] Financial Contacts: Venk Nathamuni, Investor Relations Maxim Integrated (408) 601-5293 [email protected] Mike Burns, Chief Financial Officer Volterra Semiconductor (510) 743-1336 [email protected] Maxim Integrated

September 20, 2013 EX-99.(A)(5)(I)

SECTION 262 OF THE GENERAL CORPORATION LAW OF THE STATE OF DELAWARE

Exhibit (a)(5)(I) SECTION 262 OF THE GENERAL CORPORATION LAW OF THE STATE OF DELAWARE § 262.

September 20, 2013 EX-99.(D)(4)

1

EX-99.(d)(4) Exhibit (d)(4) Via Electronic Mail Volterra Semiconductor Corporation 47467 Fremont Blvd. Fremont, CA 94538 Attn: General Counsel Ladies and Gentlemen: We are writing with regard to that certain Letter Agreement dated June 24, 2013, by and between Maxim Integrated Products, Inc. (“Maxim”) and Volterra Semiconductor Corporation (“Volterra”) governing Maxim’s confidentiality obligations

September 20, 2013 SC 14D9/A

- SC 14D9/A

SC 14D9/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 2) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Person Filing Statement) Common Stock, $0.001 par value per share

September 20, 2013 CORRESP

-

Response to SEC Comments Baker & McKenzie LLP 660 Hansen Way Palo Alto, California 94304 United States Tel: +1 650 856 2400 Fax: +1 650 856 9299 www.

September 20, 2013 CORRESP

-

Letter from the Company Maxim Integrated Products, Inc. 160 Rio Robles San Jose, CA, 95134 408-601-1000 www.maximintegrated.com September 20, 2013 VIA EDGAR AND E-MAIL Alexandra M. Ledbetter Attorney-Advisor Division of Corporation Finance Office of Mergers and Acquisitions United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Volterra Semiconductor Corpora

September 20, 2013 EX-99.(D)(5)

August 14, 2013

Exhibit (d)(5) August 14, 2013 Via Electronic Mail Volterra Semiconductor Corporation 47467 Fremont Blvd.

September 20, 2013 SC TO-T/A

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 2) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) VICTORY MERGER SUB, INC. a Wholly Owned Subsidiary of MAXIM INTEGRATED PRODUCTS, INC. (Names of Filing Per

September 20, 2013 CORRESP

-

Gordon K. Ho T: +1 650 843 5190 [email protected] September 20, 2013 VIA EDGAR United States Securities and Exchange Commission Office of Mergers and Acquisitions Division of Corporation Finance Washington, D.C. 20549 Attn: Alexandra M. Ledbetter Re: Volterra Semiconductor Corporation Schedule 14D-9 Filed on August 30, 2013 SEC File No. 005-80375 Ladies and Gentlemen: On behalf of Volterra Semiconduc

September 20, 2013 EX-99.(D)(3)

June 24, 2013

EX-99.(d)(3) Exhibit (d)(3) June 24, 2013 Volterra Semiconductor Corporation 47467 Fremont Blvd. Fremont, CA 94538 Attn: General Counsel Ladies and Gentlemen: In order to facilitate the consideration and negotiation of a possible negotiated transaction involving Maxim Integrated Products, Inc (the “Recipient”) and Volterra Semiconductor Corporation (the “Company”), the Recipient has requested acce

September 9, 2013 EX-99.(A)(5)(H)

LuAnn Walden, Corporate Communications

EX-99.(a)(5)(h) Exhibit (a)(5)(H) Press Release Media Contact: LuAnn Walden, Corporate Communications Maxim Integrated (408) 601-5430 [email protected] Financial Contacts: Venk Nathamuni, Investor Relations Maxim Integrated (408) 601-5293 [email protected] Mike Burns, Chief Financial Officer Volterra Semiconductor (510) 743-1336 [email protected] Maxim Integrated

September 9, 2013 SC TO-T/A

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) VICTORY MERGER SUB, INC. a Wholly Owned Subsidiary of MAXIM INTEGRATED PRODUCTS, INC. (Names of Filing Per

September 9, 2013 SC 14D9/A

- SC 14D9/A

SC 14D9/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 (Amendment No. 1) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Person Filing Statement) Common Stock, $0.001 par value per share

August 30, 2013 EX-99.(A)(1)(D)

Letter to Brokers and Dealers with Respect to Offer to Purchase All Outstanding Shares of Common Stock Volterra Semiconductor Corporation $23.00 Per Share, Net in Cash, Pursuant to the Offer to Purchase dated August 30, 2013 Victory Merger Sub, Inc.

Exhibit (a)(1)(D) Letter to Brokers and Dealers with Respect to Offer to Purchase All Outstanding Shares of Common Stock of Volterra Semiconductor Corporation at $23.

August 30, 2013 SC TO-T

- SC TO-T

SC TO-T UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) VICTORY MERGER SUB, INC. a Wholly Owned Subsidiary of MAXIM INTEGRATED PRODUCTS, INC. (Names of Filing Persons (Offerors)) COM

August 30, 2013 EX-99.(E)(5)

June 24, 2013

EX-99.(E)(5) 2 d585085dex99e5.htm EX-99.(E)(5) Exhibit E5 June 24, 2013 Volterra Semiconductor Corporation 47467 Fremont Blvd. Fremont, CA 94538 Attn: General Counsel Ladies and Gentlemen: In order to facilitate the consideration and negotiation of a possible negotiated transaction involving Maxim Integrated Products, Inc (the “Recipient”) and Volterra Semiconductor Corporation (the “Company”), th

August 30, 2013 EX-99.(A)(1)(E)

Letter to Clients with Respect to Offer to Purchase All Outstanding Shares of Common Stock Volterra Semiconductor Corporation $23.00 Per Share, Net in Cash, Pursuant to the Offer to Purchase dated August 30, 2013 Victory Merger Sub, Inc. a wholly own

Exhibit (a)(1)(E) Letter to Clients with Respect to Offer to Purchase All Outstanding Shares of Common Stock of Volterra Semiconductor Corporation at $23.

August 30, 2013 EX-99.(A)(1)(C)

Notice of Guaranteed Delivery Offer to Purchase All Outstanding Shares of Common Stock Volterra Semiconductor Corporation $23.00 Per Share, Net in Cash, Pursuant to the Offer to Purchase dated August 30, 2013 Victory Merger Sub, Inc. a wholly owned s

EX-99.(A)(1)(C) 4 d585343dex99a1c.htm EX-99.(A)(1)(C) Exhibit (a)(1)(C) Notice of Guaranteed Delivery for Offer to Purchase All Outstanding Shares of Common Stock of Volterra Semiconductor Corporation at $23.00 Per Share, Net in Cash, Pursuant to the Offer to Purchase dated August 30, 2013 by Victory Merger Sub, Inc. a wholly owned subsidiary of Maxim Integrated Products, Inc. THE OFFER WILL EXPIR

August 30, 2013 EX-99.(E)(6)

1

EX-99.(e)(6) Exhibit E6 Via Electronic Mail Volterra Semiconductor Corporation 47467 Fremont Blvd. Fremont, CA 94538 Attn: General Counsel Ladies and Gentlemen: We are writing with regard to that certain Letter Agreement dated June 24, 2013, by and between Maxim Integrated Products, Inc. (“Maxim”) and Volterra Semiconductor Corporation (“Volterra”) governing Maxim’s confidentiality obligations in

August 30, 2013 EX-99.(A)(1)(F)

Request for Taxpayer Identification Number and Certification

Exhibit (a)(1)(F) Form W-9 (Rev. December 2011) Department of the Treasury Internal Revenue Service Request for Taxpayer Identification Number and Certification Give Form to the requester. Do not send to the IRS Print or type See Specific Instructions on page 4. Name (as shown on your income tax return) Business name/disregarded entity name, if different from above Check appropriate box for federa

August 30, 2013 EX-99.(A)(1)(A)

Offer To Purchase For Cash All Outstanding Shares of Common Stock Volterra Semiconductor Corporation $23.00 Per Share, Net in Cash, Victory Merger Sub, Inc. a wholly owned subsidiary of Maxim Integrated Products, Inc. THE OFFER WILL EXPIRE AT 9:00 A.

Table of Contents Exhibit (a)(1)(A) Offer To Purchase For Cash All Outstanding Shares of Common Stock of Volterra Semiconductor Corporation at $23.

August 30, 2013 EX-99.(E)(7)

August 14, 2013

EX-99.(E)(7) 4 d585085dex99e7.htm EX-99.(E)(7) Exhibit E7 August 14, 2013 Via Electronic Mail Volterra Semiconductor Corporation 47467 Fremont Blvd. Fremont, CA 94538 Ladies and Gentlemen: We are writing with regard to that certain Letter Agreement, dated as of June 24, 2013 and as amended in July 2013, by and between Maxim Integrated Products, Inc. (“Maxim”) and Volterra Semiconductor Corporation

August 30, 2013 EX-99.(A)(5)(G)

Notice of Offer to Purchase All Outstanding Shares of Common Stock Volterra Semiconductor Corporation $23.00 Per Share, Net in Cash, Pursuant to the Offer to Purchase dated August 30, 2013 by Victory Merger Sub, Inc. a wholly owned subsidiary of Maxi

Exhibit (a)(5)(G) Summary Advertisement This announcement is neither an offer to purchase nor a solicitation of an offer to sell Shares (as defined below).

August 30, 2013 SC 14D9

- SC 14D9

SC 14D9 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 30, 2013 EX-99.(A)(1)(B)

THIS DOCUMENT IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION Letter of Transmittal To Tender Shares of Common Stock Volterra Semiconductor Corporation $23.00 Per Share, Net in Cash, Pursuant to the Offer to Purchase dated August 30, 2013 Victory

Exhibit (a)(1)(B) THIS DOCUMENT IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION Letter of Transmittal To Tender Shares of Common Stock of Volterra Semiconductor Corporation at $23.

August 22, 2013 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among: MAXIM INTEGRATED PRODUCTS, INC., a Delaware corporation, VICTORY MERGER SUB, INC., a Delaware corporation, and VOLTERRA SEMICONDUCTOR CORPORATION, a Delaware corporation Dated as of August 15, 2013 TABLE OF

EX-2.1 Exhibit 2.1 EXECUTION COPY AGREEMENT AND PLAN OF MERGER by and among: MAXIM INTEGRATED PRODUCTS, INC., a Delaware corporation, VICTORY MERGER SUB, INC., a Delaware corporation, and VOLTERRA SEMICONDUCTOR CORPORATION, a Delaware corporation Dated as of August 15, 2013 TABLE OF CONTENTS Page SECTION 1. THE OFFER 1 1.1 Conduct of the Offer 1 1.2 Company Actions 3 1.3 Directors 5 1.4 Top-Up Opt

August 22, 2013 EX-99.2

Page 1 of 9

EX-99.2 Exhibit 99.2 Presentation Operator Good day, ladies and gentlemen, and welcome to the Maxim Integrated announces definitive agreement to acquire Volterra Semiconductor conference call. [Operator Instructions] As a reminder, today’s program is being recorded. I would now like to introduce your host for today’s program, Mr. Venk Nathamuni, Managing Director of Investor Relations. Please go a

August 22, 2013 EX-2.2

TENDER AND SUPPORT AGREEMENT

EX-2.2 3 d587145dex22.htm EX-2.2 Exhibit 2.2 EXECUTION VERSION TENDER AND SUPPORT AGREEMENT This Tender and Support Agreement (“Agreement”) is made and entered into as of August 15, 2013, by and among: Maxim Integrated Products, Inc., a Delaware corporation (“Parent”), Victory Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Acquisition Sub”), and each of the stoc

August 22, 2013 SC TO-C

- 8-K/A

8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 August 15, 2013 Date of Report (Date of earliest event reported) MAXIM INTEGRATED PRODUCTS, INC. (Exact name of registrant as specified in its charter) Delaware 001-34192 94-2896096 (State or other jurisdictio

August 22, 2013 EX-99.1

Maxim integratedTM –Maxim Integrated to Acquire Volterra Semiconductor August 15, 2013

Exhibit 99.1 Maxim integratedTM –Maxim Integrated to Acquire Volterra Semiconductor August 15, 2013 Safe Harbor Statement This presentation contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements generally can be identified by phrases such as

August 22, 2013 SC TO-C

- 8-K/A

8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 August 15, 2013 Date of Report (Date of earliest event reported) MAXIM INTEGRATED PRODUCTS, INC. (Exact name of registrant as specified in its charter) Delaware 001-34192 94-2896096 (State or other jurisdictio

August 22, 2013 EX-99.1

LuAnn Walden, Corporate Communications

Exhibit 99.1 Press Release Media Contact: LuAnn Walden, Corporate Communications Maxim Integrated (408) 601-5430 [email protected] Financial Contacts: Venk Nathamuni, Investor Relations Maxim Integrated (408) 601-5293 [email protected] Mike Burns, Chief Financial Officer Volterra Semiconductor (510) 743-1336 [email protected] Maxim Integrated Announces Definitive

August 22, 2013 SC TO-C

- 8-K/A

8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 August 15, 2013 Date of Report (Date of earliest event reported) MAXIM INTEGRATED PRODUCTS, INC. (Exact name of registrant as specified in its charter) Delaware 001-34192 94-2896096 (State or other jurisdictio

August 22, 2013 SC TO-C

- SC TO-C

SC TO-C UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company (Issuer)) VICTORY MERGER SUB, INC. a Wholly Owned Subsidiary of MAXIM INTEGRATED PRODUCTS, INC. (Names of Filing Persons (Offerors)) COM

August 22, 2013 SC 13D

VLTR / Volterra Semiconductor Corp / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Volterra Semiconductor Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 928708106 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Authorized to Receive N

August 19, 2013 EX-2.2

TENDER AND SUPPORT AGREEMENT

EX-2.2 Exhibit 2.2 EXECUTION VERSION TENDER AND SUPPORT AGREEMENT THIS TENDER AND SUPPORT AGREEMENT (“Agreement”) is made and entered into as of August 15, 2013, by and among: Maxim Integrated Products, Inc., a Delaware corporation (“Parent”), Victory Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Acquisition Sub”), and each of the stockholders set forth on Exhi

August 19, 2013 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among: MAXIM INTEGRATED PRODUCTS, INC., a Delaware corporation, VICTORY MERGER SUB, INC., a Delaware corporation, and VOLTERRA SEMICONDUCTOR CORPORATION, a Delaware corporation Dated as of August 15, 2013 TABLE OF

EX-2.1 Exhibit 2.1 EXECUTION COPY AGREEMENT AND PLAN OF MERGER by and among: MAXIM INTEGRATED PRODUCTS, INC., a Delaware corporation, VICTORY MERGER SUB, INC., a Delaware corporation, and VOLTERRA SEMICONDUCTOR CORPORATION, a Delaware corporation Dated as of August 15, 2013 TABLE OF CONTENTS Page SECTION 1. THE OFFER 2 1.1 Conduct of the Offer 2 1.2 Company Actions 5 1.3 Directors 7 1.4 Top-Up Opt

August 19, 2013 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - FORM 8-K

Form 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 15, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State of incorporation or organizatio

August 15, 2013 EX-99.III

Dear Valued Volterra Semiconductor Supplier,

EX-99.iii Exhibit iii Dear Valued Volterra Semiconductor Supplier, Today Maxim Integrated Products announced it has entered into a definitive agreement to acquire Volterra Semiconductor. The transaction is subject to the regulatory approvals, customary closing conditions and other conditions as set forth in the definitive agreement. We expect the transaction to close in the fourth calendar quarter

August 15, 2013 EX-99.I

Maxim Integrated Announces Definitive Agreement to Acquire Volterra Semiconductor, a Leader in Integrated Power

EX-99.i Exhibit i Press Release Media Contact: Financial Contacts: LuAnn Walden, Corporate Communications Venk Nathamuni, Investor Relations Maxim Integrated Maxim Integrated (408) 601-5430 (408) 601-5293 [email protected] [email protected] Mike Burns, Chief Financial Officer Volterra Semiconductor (510) 743-1336 [email protected] Maxim Integrated Announces Defini

August 15, 2013 EX-99.II

I am excited to report that, as announced early this morning, Volterra has entered into a definitive agreement to be acquired by Maxim Integrated Products in an all-cash transaction for $23 per share of Volterra stock, representing a 55% premium to V

EX-99.ii Exhibit ii Everyone, I am excited to report that, as announced early this morning, Volterra has entered into a definitive agreement to be acquired by Maxim Integrated Products in an all-cash transaction for $23 per share of Volterra stock, representing a 55% premium to Volterra’s closing stock price yesterday. This acquisition agreement, approved by both companies’ Boards of Directors rep

August 15, 2013 EX-99.IV

Customer Email

EX-99.iv Exhibit iv Customer Email Dear Valued Volterra Customer, Today Maxim Integrated Products announced it has entered into a definitive agreement to acquire Volterra Semiconductor. The transaction is subject to regulatory approvals, customary closing conditions and other conditions specified in the merger agreement. We expect the transaction to close in the fourth calendar quarter of 2013. Ma

August 15, 2013 SC14D9C

- SC14D9C

SC14D9C UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 VOLTERRA SEMICONDUCTOR CORPORATION (Name of Subject Company) VOLTERRA SEMICONDUCTOR CORPORATION (Name of Person Filing Statement) Common Stock, $0.001 par value per share (Title of Class of

August 5, 2013 10-Q

Quarterly Report - FORM 10-Q

Form 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2013 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 000-50857 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 94-3251865 (State or other jurisdiction of (I.

July 22, 2013 8-K

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

Form 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): July 22, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorpor

July 22, 2013 EX-99.1

Volterra Reports Second Quarter Financial Results

EX-99.1 Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Reports Second Quarter Financial Results FREMONT, Calif., July 22, 2013 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today reported financial results for its se

June 18, 2013 EX-10.1

VOLTERRA SEMICONDUCTOR CORPORATION STOCK UNIT GRANT NOTICE (2004 EQUITY INCENTIVE PLAN)

EX-10.1 Exhibit 10.1 VOLTERRA SEMICONDUCTOR CORPORATION STOCK UNIT GRANT NOTICE (2004 EQUITY INCENTIVE PLAN) Volterra Semiconductor Corporation. (the “Company”), pursuant to its 2004 Equity Incentive Plan (the “Plan”), hereby awards to Participant a Stock Unit Award for the number of shares of the Company’s Common Stock set forth below (the “Award”). The Award is subject to all of the terms and co

June 18, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - FORM 8-K

Form 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 14, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorpor

April 22, 2013 EX-99.1

Volterra Reports First Quarter Financial Results

EX-99.1 Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Reports First Quarter Financial Results FREMONT, Calif., Apr. 22, 2013 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today reported financial results for its fir

April 22, 2013 8-K

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

Form 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): April 22, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorpo

April 19, 2013 8-K

Submission of Matters to a Vote of Security Holders - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 15, 2013 Volterra Semiconductor Corporation (Exact name of Registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

March 18, 2013 DEF 14A

- DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2013 S-8

- FORM S-8

Form S-8 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 VOLTERRA SEMICONDUCTOR CORPORATION (Exact name of registrant as specified in its charter) Delaware 94-3251865 (State of Incorporation) (I.R.S. Employer Identification No.) 47467 Fremont Blvd. Fremont, CA 94538-6437 (510) 743-1200 (Address, including zip

February 28, 2013 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): February 22, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorporation

February 11, 2013 SC 13G/A

VLTR / Volterra Semiconductor Corp / VANGUARD GROUP INC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1 )* Name of issuer: Volterra Semiconductor Corp Title of Class of Securities: Common Stock CUSIP Number: 928708106 Date of Event Which Requires Filing of this Statement: December 31, 2012 Check the appropriate box to designate the rule pursuant to which this Schedule is

February 11, 2013 SC 13G

VLTR / Volterra Semiconductor Corp / TimesSquare Capital Management, LLC - SCHEDULE 13G Passive Investment

SC 13G 1 d481653dsc13g.htm SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )1 Volterra Semiconductor Corporation (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 928708106 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) Check the approp

February 8, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - FORM 8-K

Form 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): February 4, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incor

February 7, 2013 SC 13G/A

VLTR / Volterra Semiconductor Corp / Invesco Ltd. - VOLTERRA SEMICONDUCTOR CORP. Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13D-1(b) AND AMENDMENTS FILED THERETO FILED PURSUANT TO RULE 13D-2(b) Under the Securities Exchange Act of 1934 (Amendment No. 1)* Volterra Semiconductor Corp. (Name of Issuer) Common Stock (Title of Classes of Securities) 928708106 (CUSIP Number)

February 4, 2013 SC 13G/A

VLTR / Volterra Semiconductor Corp / BLAIR WILLIAM & CO/IL - SC 13G/A Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* VOLTERRA SEMICONDUCTOR CORP (Name of Issuer) Common Stock (Title of Class of Securities) 928708106 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule purs

January 25, 2013 EX-10.2

VOLTERRA SEMICONDUCTOR CORPORATION MANAGEMENT BONUS PLAN

2013 Management Bonus Plan Exhibit 10.2 VOLTERRA SEMICONDUCTOR CORPORATION MANAGEMENT BONUS PLAN The following are the terms of the annual Management Bonus Plan approved by the Compensation Committee of the Board of Directors of Volterra Semiconductor Corporation (the “Company”) on January 18, 2013 (the “Plan”). A. Purpose 1. The terms of the Plan have been established to attract, motivate, retain

January 25, 2013 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - AMENDMENT TO FORM 8-K

Amendment to Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

January 25, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - FORM 8-K

Form 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 18, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incor

January 25, 2013 EX-10.1

Executive Officer Cash Compensation

Executive Officer Cash Compensation Exhibit 10.1 Executive Officer Cash Compensation On January 18, 2013, the Compensation Committee of the Board of Directors of Volterra Semiconductor Corporation (the “Company”) approved an increase to the 2013 base salary of Dr. Craig Teuscher, the Company’s Chief Operating Officer. Dr. Teuscher was recently appointed as Chief Operating Officer on January 7, 201

January 22, 2013 EX-99.1

Volterra Announces Financial Results and Acquisition of Element Energy

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Announces Financial Results and Acquisition of Element Energy FREMONT, Calif., January 22, 2013 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today reporte

January 22, 2013 8-K

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

Form 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 22, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incor

January 11, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - FORM 8-K

Form 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 7, 2013 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorp

January 11, 2013 EX-99.1

Volterra Names Craig Teuscher Chief Operating Officer

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Names Craig Teuscher Chief Operating Officer FREMONT, Calif., January 8, 2013 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today announced that company co

December 6, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - FORM 8-K

Form 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 5, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incor

December 6, 2012 EX-99.1

Volterra Announces Appointment of Simon Biddiscombe, CEO and President of QLogic Corporation, to Board of Directors

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Announces Appointment of Simon Biddiscombe, CEO and President of QLogic Corporation, to Board of Directors FREMONT, Calif., December 6, 2012 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal p

October 22, 2012 EX-99.1

Volterra Reports Third Quarter Financial Results

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Reports Third Quarter Financial Results FREMONT, Calif., October 22, 2012 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today reported financial results fo

October 22, 2012 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 22, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorporation)

July 23, 2012 8-K

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

Form 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): July 20, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorpor

July 23, 2012 EX-99.1

Volterra Reports Record Quarterly Revenue and Increases Share Repurchase Plan

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Reports Record Quarterly Revenue and Increases Share Repurchase Plan FREMONT, Calif., July 23, 2012 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today rep

May 10, 2012 EX-10.1

SECOND AMENDMENT TO LEASE

Second Amendment to Lease Agreement Exhibit 10.1 SECOND AMENDMENT TO LEASE THIS SECOND AMENDMENT TO LEASE AGREEMENT (the “Second Amendment”) is entered into as of the 8th day of May, 2012, by and between PLDSPE, LLC, a Delaware limited liability company (“Landlord”), successor in interest to Prologis, a Maryland real estate investment, and Volterra Semiconductor Corporation, a Delaware corporation

May 10, 2012 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2012 Volterra Semiconductor Corporation (Exact name of Registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

May 10, 2012 EX-10.2

SECOND AMENDMENT TO LEASE

Second Amendment to Lease Agreement Exhibit 10.2 SECOND AMENDMENT TO LEASE THIS SECOND AMENDMENT TO LEASE AGREEMENT (the “Second Amendment”) is entered into as of the 8th day of May, 2012, by and between PLDSPE, LLC, a Delaware limited liability company (“Landlord”), successor in interest to Prologis, a Maryland real estate investment, and Volterra Semiconductor Corporation, a Delaware corporation

April 24, 2012 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 20, 2012 Volterra Semiconductor Corporation (Exact name of Registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.

April 23, 2012 8-K

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

Form 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): April 23, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incorpo

April 23, 2012 EX-99.1

Volterra Reports Record Quarterly Revenue

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Reports Record Quarterly Revenue FREMONT, Calif., Apr. 23, 2012 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today reported financial results for its firs

March 22, 2012 DEF 14A

- DEFINITIVE PROXY STATEMENT

Definitive Proxy Statement UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 7, 2012 S-8

- FORM S-8

Form S-8 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 VOLTERRA SEMICONDUCTOR CORPORATION (Exact name of registrant as specified in its charter) Delaware 94-3251865 (State of Incorporation) (I.R.S. Employer Identification No.) 47467 Fremont Blvd. Fremont, CA 94538-6437 (510) 743-1200 (Address, including zip

February 14, 2012 EX-99

JOINT FILING AGREEMENT

JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) (l) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing of the attached Schedule 13G, and any and all amendments thereto, and expressly authorize Invesco Ltd.

February 14, 2012 SC 13G

VLTR / Volterra Semiconductor Corp / Invesco Ltd. - VOLTERRA SEMICONDUCTOR CORP 12312011 Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13D-1(b) AND AMENDMENTS FILED THERETO FILED PURSUANT TO RULE 13D-2(b) Under the Securities Exchange Act of 1934 (Amendment No. )* Volterra Semiconductor Corp. (Name of Issuer) Common Stock (Title of Classes of Securities) 928708106 (CUSIP Number) De

February 10, 2012 SC 13G

VLTR / Volterra Semiconductor Corp / VANGUARD GROUP INC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.:0 )* Name of issuer: Volterra Semiconductor Corp Title of Class of Securities: Common Stock CUSIP Number: 928708106 Date of Event Which Requires Filing of this Statement: December 31, 2011 Check the appropriate box to designate the rule pursuant to which this Schedule is

January 30, 2012 SC 13G

VLTR / Volterra Semiconductor Corp / BLAIR WILLIAM & CO/IL - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* VOLTERRA SEMICONDUCTOR CORP (Name of Issuer) Common (Title of Class of Securities) 928708106 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

January 25, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - FORM 8-K

Form 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 20, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incor

January 25, 2012 8-K/A

Submission of Matters to a Vote of Security Holders - FORM 8-K AMENDMENT

Form 8-K Amendment UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

January 25, 2012 EX-10.1

2012 Executive Officer Compensation

2012 Executive Officer Compensation Exhibit 10.1 2012 Executive Officer Compensation On January 20, 2012, the Compensation Committee of the Board of Directors of Volterra Semiconductor Corporation (the “Company”) approved the following changes to 2012 base salaries for certain of its executive officers: Name and Title 2012 Base Salary Jeff Staszak President and Chief Executive Officer $ 430,000 Mi

January 25, 2012 EX-10.2

VOLTERRA SEMICONDUCTOR CORPORATION MANAGEMENT BONUS PLAN

Management Bonus Plan Exhibit 10.2 VOLTERRA SEMICONDUCTOR CORPORATION MANAGEMENT BONUS PLAN The following are the terms of the annual Management Bonus Plan approved by the Compensation Committee of the Board of Directors of Volterra Semiconductor Corporation (the “Company”) on January 20, 2012 (the “Plan”). A. Purpose 1. The terms of the Plan have been established to attract, motivate, retain and

January 23, 2012 8-K

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

Form 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 23, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction (Commiss

January 23, 2012 EX-99.1

Volterra Appoints Equinix CEO Stephen Smith to its Board of Directors

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Appoints Equinix CEO Stephen Smith to its Board of Directors FREMONT, Calif., January 23, 2012 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconductors, today announce

January 23, 2012 EX-99.1

Volterra Reports Fourth Quarter Results and Eleventh Consecutive Year of Revenue Growth

Press Release Exhibit 99.1 For investor information contact: Heidi Flannery, Investor Relations (510) 743-1718 [email protected] Volterra Reports Fourth Quarter Results and Eleventh Consecutive Year of Revenue Growth FREMONT, Calif., January 23, 2012 — Volterra Semiconductor Corporation (Nasdaq: VLTR), a leading provider of high-performance analog and mixed-signal power management semiconducto

January 23, 2012 EX-99.1

VOLTERRA SEMICONDUCTOR CORPORATION AND SUBSIDIARIES IMPACT OF LITIGATION EXPENSE ON NON-GAAP FINANCIAL MEASURES (In thousands, except per share amounts) Three Months Ended December 31, 2011 GAAP Effect of Stock-based Compensation Non-GAAP Litigation

Impact of Litigation Expense on Non-GAAP Financial Measures Exhibit 99.1 Volterra is providing the following supplemental reconciliation to highlight some of the financial effects of its current intellectual property litigation, as discussed in the Company’s earnings call on January 23, 2012. Non-GAAP Financial Measures Volterra provides all information required in accordance with generally accept

January 23, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - FORM 8-K

Form 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 20, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction of incor

January 23, 2012 8-K

Financial Statements and Exhibits, Other Events - FORM 8-K

Form 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 23, 2012 Volterra Semiconductor Corporation (Exact name of registrant as specified in its charter) Delaware 000-50857 94-3251865 (State or other jurisdiction (Commiss

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