HCKT / The Hackett Group, Inc. - SEC-arkivering, Årsberetning, Fuldmagtserklæring

The Hackett Group, Inc.
US ˙ NasdaqGS ˙ US4046091090

Grundlæggende statistik
LEI 5K016KLIRB6156644289
CIK 1057379
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 The Hackett Group, Inc.
SEC Filings (Chronological Order)
Denne side giver en komplet, kronologisk liste over SEC-arkiveringer, eksklusive ejerskabsregistreringer, som vi leverer andre steder.
May 6, 2026 EX-4.5

EMPLOYEE STOCK PURCHASE PLAN Amendment Number 5 to the Employee Stock Purchase Plan of The Hackett Group, Inc.

EX-4.5 Exhibit 4.5 EMPLOYEE STOCK PURCHASE PLAN Amendment Number 5 to the Employee Stock Purchase Plan of The Hackett Group, Inc. Pursuant to the authority granted pursuant to Section 24 of the Employee Stock Purchase Plan (the “Plan”) of The Hackett Group, Inc. (the “Company”), the Board of Directors of the Company hereby amends the following sections of the Plan: I. Section 1 of the Plan is here

May 6, 2026 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 27, 2026 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 333-48123 The Hackett Group, In

May 6, 2026 S-8

As filed with the Securities and Exchange Commission on May 6, 2026

S-8 As filed with the Securities and Exchange Commission on May 6, 2026 Registration No.

May 6, 2026 EX-FILING FEES

Table 1: Newly Registered Securities

Calculation of Filing Fee Tables S-8 HACKETT GROUP, INC. Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, $0.001 par value per share Other 250,000 $ 12.93 $ 3,232,500.00 0.0001381 $ 446.41 Total Offering A

May 5, 2026 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 30, 2026 The Hackett Group,

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 30, 2026 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizatio

May 5, 2026 EX-99.1

The Hackett Group Announces First Quarter 2026 Results

WWW.THEHACKETTGROUP.COM Exhibit 99.1 The Hackett Group Announces First Quarter 2026 Results MIAMI, FL (May 5, 2026) – The Hackett Group, Inc. (NASDAQ: HCKT), a leading Gen AI strategic consulting and digital transformation firm that enables Digital World Class® performance, today announced its financial results for the first quarter, which ended on March 27, 2026. "Over the past two years, we have

March 20, 2026 DEF 14A

SUMMARY COMPENSATION TABLE GRANTS OF PLAN-BASED AWARDS FOR FISCAL YEAR 2025 OUTSTANDING EQUITY AWARDS AT FISCAL YEAR-END DIRECTOR COMPENSATION OUTSTANDING DIRECTOR EQUITY AWARDS AT 2025 FISCAL YEAR-END PAY RATIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☒ Definitive Proxy Statement ☐ Confidenti

March 20, 2026 DEFA14A

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

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☐ Definitive Proxy Statement ☐ C

March 20, 2026 ARS

ARS

The Hackett Group ® shareholders are invited to attend our Annual Meeting on Thursday, April 30, 2026 at 11:00 am at The Hackett Group’s Corporate Headquarters, 1001 Brickell Bay Drive, Suite 3000, Miami, FL 33131.

February 27, 2026 EX-21.1

THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Spend Matters Acquisition Corp. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub, Inc. Florida The Hackett

February 27, 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 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 26, 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 333-48123 The Hackett Group, Inc. (E

February 17, 2026 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 17, 2026 The Hackett Gro

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, 2026 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 17, 2026 EX-99.1

The Hackett Group Announces Fourth Quarter 2025 Results

WWW.THEHACKETTGROUP.COM Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2025 Results MIAMI, FL (February 17, 2026) – The Hackett Group, Inc. (NASDAQ: HCKT), a leading generative artificial intelligence (Gen AI) consultancy and digital transformation firm that enables Digital World Class® performance, today announ

December 8, 2025 SC TO-I/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 2) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (I

SC TO-I/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 2) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing Person (Offeror)) Common Stock, par value $0.001 per share (Title of Class of Securities) 404609109 (CUSIP Number of Class

December 8, 2025 EX-99.(A)(5)(E)

The Hackett Group, Inc. Announces Final Results of Its $40 Million Dutch Auction Tender Offer

EX-99.(a)(5)(E) Exhibit (a)(5)(E) The Hackett Group, Inc. Announces Final Results of Its $40 Million Dutch Auction Tender Offer MIAMI, FL – December 8, 2025 – The Hackett Group, Inc. (NASDAQ: HCKT) (“Hackett” or the “Company”), a leading generative artificial intelligence (“Gen AI”) consultancy and executive advisory firm, today announced the final results of its modified “Dutch auction” tender of

December 5, 2025 EX-99.(A)(5)(D)

The Hackett Group, Inc. Announces Preliminary Results of Its $40 Million Dutch Auction Tender Offer

EX-99.(a)(5)(D) Exhibit (A)(5)(D) The Hackett Group, Inc. Announces Preliminary Results of Its $40 Million Dutch Auction Tender Offer MIAMI, FL – December 5, 2025 – The Hackett Group, Inc. (NASDAQ: HCKT) (“Hackett” or the “Company”), a leading generative artificial intelligence (“Gen AI”) consultancy and executive advisory firm, today announced the preliminary results of its modified “Dutch auctio

December 5, 2025 SC TO-I/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 1) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (I

SC TO-I/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 1) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing Person (Offeror)) Common Stock, par value $0.001 per share (Title of Class of Securities) 404609109 (CUSIP Number of Class

November 5, 2025 EX-99.(A)(1)(D)

Offer to Purchase for Cash The Hackett Group, Inc. Up to $40 Million in Value of Shares of Its Common Stock At a Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share

EX-99.(a)(1)(D) Exhibit (a)(1)(D) Offer to Purchase for Cash by The Hackett Group, Inc. of Up to $40 Million in Value of Shares of Its Common Stock At a Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 4, 2025 UNLESS THE OFFER IS EXTE

November 5, 2025 EX-99.(A)(5)(C)

The following are excerpts from an edited transcript for The Hackett Group, Inc.’s (the “Company”) earnings conference call held on November 4, 2025. The following does not purport to be a complete or error-free statement or summary of the conference

EX-99.(a)(5)(C) Exhibit (a)(5)(C) The following are excerpts from an edited transcript for The Hackett Group, Inc.’s (the “Company”) earnings conference call held on November 4, 2025. The following does not purport to be a complete or error-free statement or summary of the conference call. Ted A. Fernandez, The Hackett Group, Inc. – Chief Executive Officer and Chairman […] [T]oday, we are announci

November 5, 2025 EX-99.(A)(1)(B)

Letter of Transmittal For Tender of Shares of Common Stock of The Hackett Group, Inc. At a Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share Pursuant to the Offer to Purchase Dated November 5, 2025

EX-99.(a)(1)(B) Exhibit (a)(1)(B) Letter of Transmittal For Tender of Shares of Common Stock of The Hackett Group, Inc. At a Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share Pursuant to the Offer to Purchase Dated November 5, 2025 THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 4,

November 5, 2025 EX-FILING FEES

Table 1: Transaction Valuation

Calculation of Filing Fee Tables Table 1: Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to be Paid 1 $ 40,000,000.

November 5, 2025 EX-99.(A)(1)(G)

Frequently Asked Questions Regarding The Hackett Group’s Tender Offer to Purchase up to $40 Million of Its Common Stock

EX-99.(a)(1)(G) Exhibit (a)(1)(G) Frequently Asked Questions Regarding The Hackett Group’s Tender Offer to Purchase up to $40 Million of Its Common Stock The Hackett Group, Inc. (“Hackett”) is providing the following additional information, in the form of questions and answers, regarding its tender offer to purchase up to $40 million in value of its common stock. Hackett’s tender offer was launche

November 5, 2025 EX-99.(A)(1)(C)

Notice of Guaranteed Delivery For Tender of Shares of Common Stock of The Hackett Group, Inc.

EX-99.(a)(1)(C) Exhibit (a)(1)(C) Notice of Guaranteed Delivery For Tender of Shares of Common Stock of The Hackett Group, Inc. THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 4, 2025, UNLESS THE OFFER IS EXTENDED (SUCH DATE AND TIME, AS THEY MAY BE EXTENDED, THE “EXPIRATION DATE”) OR TERMINATED. This Notice of

November 5, 2025 EX-99.(A)(5)(A)

THE HACKETT GROUP, INC. COMMENCES $40 MILLION DUTCH AUCTION TENDER OFFER

EX-99.(a)(5)(A) Exhibit (a)(5)(A) THE HACKETT GROUP, INC. COMMENCES $40 MILLION DUTCH AUCTION TENDER OFFER MIAMI, FL – November 5, 2025 – The Hackett Group, Inc. (NASDAQ: HCKT) (“Hackett” or the “Company”), a leading generative artificial intelligence (“Gen AI”) consultancy and executive advisory firm, today announced that it has commenced a modified “Dutch auction” tender offer to purchase up to

November 5, 2025 EX-99.(A)(1)(E)

Offer to Purchase for Cash The Hackett Group, Inc. Up to $40 Million in Value of Shares of Its Common Stock At a Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share

EX-99.(a)(1)(E) Exhibit (a)(1)(E) Offer to Purchase for Cash by The Hackett Group, Inc. of Up to $40 Million in Value of Shares of Its Common Stock At a Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 4, 2025, UNLESS THE OFFER IS EXT

November 5, 2025 EX-99.(A)(1)(F)

Notice of Offer to Purchase for Cash The Hackett Group, Inc. Up to $40 Million in Value of Shares of its Common Stock At a Purchase Price Not Greater Than $21.00 per Share Nor Less Than $18.30 per Share

EX-99.(a)(1)(F) Exhibit (a)(1)(F) This announcement is neither an offer to purchase nor a solicitation of an offer to sell shares of common stock of The Hackett Group, Inc. The Offer (as defined below) is made solely by the Offer to Purchase, dated November 5, 2025, and the Letter of Transmittal, as they may be amended or supplemented from time to time. We are not aware of any jurisdiction where t

November 5, 2025 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 26, 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 333-48123 The Hackett Group

November 5, 2025 EX-99.(A)(1)(A)

Offer to Purchase The Hackett Group, Inc. Up to $40 Million in Value of Shares of Its Common Stock At a Cash Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE

EX-99.(a)(1)(A) Exhibit (a)(1)(A) Offer to Purchase by The Hackett Group, Inc. Up to $40 Million in Value of Shares of Its Common Stock At a Cash Purchase Price Not Greater than $21.00 per Share Nor Less than $18.30 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 4, 2025, UNLESS THE OFFER IS EXTENDED (

November 5, 2025 SC TO-I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing

SC TO-I UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing Person (Offeror)) Common Stock, par value $0.001 per share (Title of Class of Securities) 404609109 (CUSIP Number of Class of Securities) Keit

November 4, 2025 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 4, 2025 The Hackett Grou

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, 2025 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

November 4, 2025 SC TO-C

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, 2025 The Hackett Grou

SC TO-C 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, 2025 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or o

November 4, 2025 EX-99.1

The Hackett Group Announces Third Quarter 2025 Results and Intent to Launch Dutch Tender Offer

WWW.THEHACKETTGROUP.COM Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2025 Results and Intent to Launch Dutch Tender Offer MIAMI – November 4, 2025 – The Hackett Group, Inc. (NASDAQ: HCKT), a leading generative artificial intelligence (Gen AI) consultancy and executive advisory firm that enables Digital World Cl

August 6, 2025 10-Q

Quarterly Report on Form 10-Q for the quarter ended June 27, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 27, 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 333-48123 The Hackett Group, Inc

August 6, 2025 EX-4.1

The Hackett Group, Inc. 1998 Stock Option and Incentive Plan (Amended and Restated as of February 13, 2025).

EX-4.1 Exhibit 4.1 THE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN (Amended and Restated as of February 13, 2025) The Hackett Group, Inc., a Florida corporation (the “Company”), sets forth herein the terms of its amended and restated 1998 Stock Option and Incentive Plan (the “Plan”) as follows: 1. PURPOSE The Plan is intended to enhance the Company’s ability to attract and retain high

August 6, 2025 S-8

As filed with the Securities and Exchange Commission on August 6, 2025

S-8 As filed with the Securities and Exchange Commission on August 6, 2025 Registration No.

August 6, 2025 EX-FILING FEES

Filing Fee Table.

Calculation of Filing Fee Tables S-8 HACKETT GROUP, INC. Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, $0.001 par value per share Other 1,950,000 $ 22.96 $ 44,772,000.00 0.0001531 $ 6,854.59 Total Offer

August 5, 2025 EX-99.1

The Hackett Group Announces Second Quarter 2025 Results

WWW.THEHACKETTGROUP.COM Exhibit 99.1 The Hackett Group Announces Second Quarter 2025 Results MIAMI – August 5, 2025 – The Hackett Group, Inc. (NASDAQ: HCKT), a leading generative artificial intelligence (Gen AI) consultancy and executive advisory firm that enables Digital World Class® performance, today announced its financial results for the second quarter, which ended on June 27, 2025. “We repor

August 5, 2025 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 5, 2025 The Hackett Group,

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 5, 2025 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizatio

May 7, 2025 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 28, 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 333-48123 The Hackett Group, In

May 6, 2025 EX-99.1

The Hackett Group Announces First Quarter 2025 Results

WWW.THEHACKETTGROUP.COM Exhibit 99.1 The Hackett Group Announces First Quarter 2025 Results MIAMI – May 6, 2025 – The Hackett Group, Inc. (NASDAQ: HCKT), a leading generative artificial intelligence (Gen AI) consultancy and executive advisory firm that enables Digital World Class® performance, today announced its financial results for the first quarter, which ended on March 28, 2025. “We reported

May 6, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 1, 2025 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

March 21, 2025 ARS

ARS

GenAIFromIdeato IMPACT 2024 AnnualReportTheHackettGroup shareholdersare invited toattend ourAnnualMeetingonThursday,May 1,2025,at atTheHackettGroup’sCorporateHeadquarters,1001 BrickellBayDrive,30thFloor,Miami,Florida33131.

March 21, 2025 DEFA14A

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

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☐ Definitive Proxy Statement ☐ C

March 21, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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, D.C. 20549 SCHEDULE 14A 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 ☒ Definitive Proxy Statement ☐ Confidenti

February 28, 2025 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 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 27, 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 333-48123 The Hackett Group, Inc. (E

February 28, 2025 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub., Inc. Florida The Hackett Group, Inc. Florida Resource Evaluation

February 28, 2025 EX-19.1

The Hackett Group, Inc. Policy on Insider Trading and Reporting Compliance.

Exhibit 19.1 The Hackett Group, Inc. Policy on Insider Trading and Reporting Compliance Effective February 13, 2025 A. Overview 3 B. Reasons for maintaining confidentiality 3 C. What is material non-public information 4 D. Safeguarding material information 4 E. Necessity for authorized release 5 F. Trading restrictions 5 G. Transactions not subject to trading restrictions 5 H. Tipping restrictions

February 18, 2025 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, 2025 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 18, 2025 EX-99.1

The Hackett Group Announces Fourth Quarter 2024 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2024 Results MIAMI, FL (February 18, 2025) – The Hackett Group, Inc. (NASDAQ: HCKT), an IP platform-based, Gen AI strategic consulting and executive advisory firm that enables Digital World Class® performance, today announced its financial results for the fourth qua

November 6, 2024 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 27, 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 333-48123 The Hackett Group

November 4, 2024 EX-99.1

The Hackett Group Announces Third Quarter 2024 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2024 Results MIAMI, FL (November 4, 2024) – The Hackett Group, Inc. (NASDAQ: HCKT), an IP and platform-based, Gen AI strategic consulting and executive advisory firm that enables Digital World Class® performance, today announced its financial results for the third qu

November 4, 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 4, 2024 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

October 23, 2024 SC 13G/A

HCKT / The Hackett Group, Inc. / Trigran Investments, Inc. - SC 13G/A Passive Investment

SC 13G/A 1 tm2426490d4sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. 6)* THE HACKETT GROUP, INC. (Name of Issuer) Common Stock, Par Value of $0.001 Per Share (Title of Class of Securities) 404609109 (CUSIP Number) September

October 23, 2024 EX-1

EXHIBIT 1: Agreement to Make a Joint Filing

EX-1 2 tm2426490d4ex1.htm EXHIBIT 1 CUSIP No. 404609109 Schedule 13G Page 1 of 1 Exhibit 1 EXHIBIT 1 TO SCHEDULE 13G October 23, 2024 In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, TRIGRAN INVESTMENTS, INC., DOUGLAS GRANAT, LAWRENCE A. OBERMAN, STEVEN G. SIMON, BRADLEY F. SIMON and STEVEN R. MONIESON each hereby agree to the joint filing of this statemen

October 15, 2024 SC 13G/A

HCKT / The Hackett Group, Inc. / ROYCE & ASSOCIATES LP Passive Investment

SC 13G/A 1 hckt2.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information statement pursuant to Rules 13d-1 and 13d-2 Under the Securities Exchange Act of 1934 (Amendment No.2) Hackett Group, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 404609109 (CUSIP Number) Date of Event Which Requires Filing of this Statement: September 30, 202

September 16, 2024 EX-10.1

Form of Performance-Based Stock Price Restricted Stock Award.

Exhibit 10.1 THE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT The Hackett Group, Inc., a Florida corporation (the “Company”), hereby grants restricted stock units relating to shares of its common stock, $.001 par value (“Stock”), to the individual named below as the Grantee, subject to the vesting conditions set forth in the attachment on Exhibit A. Addi

September 16, 2024 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): September 16, 2024 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) Florida 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiz

August 7, 2024 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 28, 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 333-48123 The Hackett Group, Inc

August 7, 2024 S-8

As filed with the Securities and Exchange Commission on August 7, 2024

As filed with the Securities and Exchange Commission on August 7, 2024 Registration No.

August 7, 2024 EX-10.2

Amendment No. 1 to Third Amended and Restated Credit Agreement (Term SOFR Conversion), dated June 21, 2024, between the Registrant and Bank of America, N.A.

Exhibit 10.2 EXECUTION VERSION AMENDMENT NO. 1 TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (TERM SOFR CONVERSION) THIS AMENDMENT NO. 1 TO THIRD AMENDED AND RESTATED CREDIT AGREEMENT (TERM SOFR CONVERSION) (this “Amendment”), dated as of June 21, 2024, is by and among THE HACKETT GROUP, INC., a Florida corporation, the Guarantors (as defined in the Credit Agreement, referenced below) party heret

August 7, 2024 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) The Hackett Group, Inc.

August 7, 2024 EX-4.1

Registrant’s 1998 Stock Option and Incentive Plan (Amended and Restated as of February 15, 2024) (incorporated herein by reference to the Registrant’s Registration Statement on Form S-8 filed on August 7, 2024).

Exhibit 4.1 THE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN (Amended and Restated as of February 15, 2024) The Hackett Group, Inc., a Florida corporation (the “Company”), sets forth herein the terms of its amended and restated 1998 Stock Option and Incentive Plan (the “Plan”) as follows: 1. PURPOSE The Plan is intended to enhance the Company’s ability to attract and retain highly qual

August 6, 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 6, 2024 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizatio

August 6, 2024 EX-99.1

The Hackett Group Announces Second Quarter 2024 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Second Quarter 2024 Results MIAMI, FL (August 6, 2024) – The Hackett Group, Inc. (NASDAQ: HCKT), a leading Gen AI strategic consultancy and executive advisory firm that enables organizations to achieve Digital World Class® performance, today announced its financial results for the

May 8, 2024 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 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 333-48123 The Hackett Group, In

May 7, 2024 EX-99.1

The Hackett Group Announces First Quarter 2024 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces First Quarter 2024 Results MIAMI, FL (May 7, 2024) – The Hackett Group, Inc. (NASDAQ: HCKT), a leading benchmarking, executive advisory and strategic consultancy firm that enables organizations to achieve Digital World Class® performance, today announced its financial results for

May 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 2, 2024 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

April 1, 2024 ARS

ARS

The Hackett Group shareholders are invited to attend our Annual Meeting on Thursday, May 2, 2024 at 11:00 am at The Hackett Group’s Corporate Headquarters, 1001 Brickell Bay Drive, 30th Floor, Miami, Florida 33131 .

March 22, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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, D.C. 20549 SCHEDULE 14A 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 ☒ Definitive Proxy Statement ☐ Confidenti

March 22, 2024 DEFA14A

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☐ Definitive Proxy Sta

March 1, 2024 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub., Inc. Florida The Hackett Group, Inc. Florida Resource Evaluation

March 1, 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 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 29, 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 333-48123 The Hackett Group, Inc. (E

March 1, 2024 EX-97.1

The Hackett Group, Inc. Compensation Recovery Policy

Exhibit 97.1 The Hackett Group, Inc. Compensation Recovery Policy Adopted by the Compensation Committee of the Board of Directors on August 3, 2023 Effective Date This Policy shall apply to any Incentive Compensation received on or after October 2, 2023. Statement of Policy Subject to the exceptions set forth below, following an Accounting Restatement, The Hackett Group, Inc. (the “Company”) shall

February 20, 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 20, 2024 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 20, 2024 EX-99.1

The Hackett Group Announces Fourth Quarter 2023 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2023 Results MIAMI, FL (February 20, 2024) –The Hackett Group, Inc. (NASDAQ: HCKT), a leading benchmarking, executive advisory and strategic consultancy firm that enables organizations to achieve Digital World Class®performance, today announced its financial results

February 13, 2024 SC 13G/A

HCKT / The Hackett Group, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01062-hackettgroupincthe.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: Hackett Group Inc/The Title of Class of Securities: Common Stock CUSIP Number: 404609109 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to des

February 9, 2024 SC 13G/A

HCKT / The Hackett Group, Inc. / Trigran Investments, Inc. - SC 13G/A Passive Investment

SC 13G/A 1 tm243940d2sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. 5)* THE HACKETT GROUP, INC. (Name of Issuer) Common Stock, Par Value of $0.001 Per Share (Title of Class of Securities) 404609109 (CUSIP Number) December 31

February 9, 2024 EX-1

EXHIBIT 1: Agreement to Make a Joint Filing

EX-1 2 tm243940d2ex-1.htm EXHIBIT 1 CUSIP No. 404609109 Schedule 13G Page 1 of 1 Exhibit 1 EXHIBIT 1 TO SCHEDULE 13G February 9, 2024 In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, TRIGRAN INVESTMENTS, INC., DOUGLAS GRANAT, LAWRENCE A. OBERMAN, STEVEN G. SIMON, BRADLEY F. SIMON and STEVEN R. MONIESON each hereby agree to the joint filing of this statemen

January 25, 2024 SC 13G/A

HCKT / The Hackett Group, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us4046091090012524.txt us4046091090012524.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 12) HACKETT GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 404609109 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

January 23, 2024 SC 13G

HCKT / The Hackett Group, Inc. / ROYCE & ASSOCIATES LP Passive Investment

SC 13G 1 hckt.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information statement pursuant to Rules 13d-1 and 13d-2 Under the Securities Exchange Act of 1934 (Amendment No.) Hackett Group, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 404609109 (CUSIP Number) Date of Event Which Requires Filing of this Statement: December 31, 2023 *Th

November 8, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 29, 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 333-48123 The Hackett Group

November 7, 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): November 7, 2023 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

November 7, 2023 EX-99.1

The Hackett Group Announces Third Quarter 2023 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2023 Results MIAMI, FL (November 7, 2023) –The Hackett Group, Inc. (NASDAQ: HCKT), a leading benchmarking, executive advisory and strategic consultancy firm that enables organizations to achieve Digital World Class®performance, today announced its financial results f

August 9, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ 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 to Commission File Number 333-48123 The Hackett Group, Inc

August 8, 2023 EX-99.1

The Hackett Group Announces Second Quarter 2023 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Second Quarter 2023 Results MIAMI, FL (August 8, 2023) – The Hackett Group, Inc. (NASDAQ: HCKT), a leading benchmarking, research advisory and strategic consultancy firm that enables organizations to achieve Digital World Class® performance, today announced its financial results f

August 8, 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 Date of report (Date of earliest event reported): August 3, 2023 The Hackett Group,

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 3, 2023 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizatio

May 10, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ 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 to Commission File Number 333-48123 The Hackett Group, In

May 9, 2023 EX-99

The Hackett Group Announces First Quarter 2023 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces First Quarter 2023 Results MIAMI, FL (May 9, 2023) – The Hackett Group, Inc. (NASDAQ: HCKT), a leading benchmarking, research advisory and strategic consultancy firm that enables organizations to achieve Digital World Class® performance, today announced its financial results for t

May 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 4, 2023 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

March 23, 2023 DEF 14A

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☒ Definitive Proxy Stat

March 23, 2023 DEFA14A

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

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☐ Definitive Proxy Statement ☐ Co

March 23, 2023 ARS

ARS

ANNUAL REPORT 2022 Hackett Excelleration Matrix TM I n n ova to r s D i g i t a l Wo rl d C l a s s ™ I n c u m b e n t s C h a l l e n g e r Eme r g i ngThe Hackett Group, Inc.

March 3, 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 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 30, 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 333-48123 The Hackett Group, Inc. (E

March 3, 2023 EX-21

Subsidiaries of the Registrant.

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub., Inc. Florida The Hackett Group, Inc. Florida Resource Evaluation

February 21, 2023 EX-99

The Hackett Group Announces Fourth Quarter 2022 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2022 Results MIAMI, FL (February 21, 2023) – The Hackett Group, Inc. (NASDAQ: HCKT), a leading benchmarking, research advisory and strategic consultancy firm that enables organizations to achieve Digital World Class™ performance, today announced its financial result

February 21, 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 Date of report (Date of earliest event reported): February 21, 2023 The Hackett Gro

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 21, 2023 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 13, 2023 SC 13G/A

HCKT / The Hackett Group, Inc. / RENAISSANCE TECHNOLOGIES LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* The Hackett Group, Inc. - (Name of Issuer) Common Stock, par value $.001 per share - (Title of Class of Securities) 404609109 - (CUSIP Number) December 30, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to design

February 10, 2023 EX-99.1

February 10, 2023

CUSIP No. 404609109 Schedule 13G Page 1 of 1 Exhibit 1 EXHIBIT 1 TO SCHEDULE 13G February 10, 2023 In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, TRIGRAN INVESTMENTS, INC., DOUGLAS GRANAT, LAWRENCE A. OBERMAN, STEVEN G. SIMON, BRADLEY F. SIMON and STEVEN R. MONIESON each hereby agree to the joint filing of this statement on Schedule 13G (including any an

February 10, 2023 SC 13G/A

HCKT / The Hackett Group, Inc. / Trigran Investments, Inc. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. 4)* THE HACKETT GROUP, INC. (Name of Issuer) Common Stock, Par Value of $0.001 Per Share (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2022 Date of Event Which Requires Filin

February 9, 2023 SC 13G/A

HCKT / The Hackett Group, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01028-hackettgroupinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: Hackett Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 404609109 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate

February 3, 2023 SC 13G/A

HCKT / The Hackett Group, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us4046091090020323.txt us4046091090020323.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 11) HACKETT GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 404609109 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

December 23, 2022 S-8

As filed with the Securities and Exchange Commission on December 23, 2022

As filed with the Securities and Exchange Commission on December 23, 2022 Registration No.

December 23, 2022 EX-4.5

Amendment No. 4 to Registrant’s Employee Stock Purchase Plan (incorporated herein by reference to the Registrant’s Registration Statement on Form S-8 filed on December 23, 2022).

Exhibit 4.5 EMPLOYEE STOCK PURCHASE PLAN Amendment Number 4 to the Employee Stock Purchase Plan of The Hackett Group, Inc. Pursuant to the authority granted pursuant to Section 24 of the Employee Stock Purchase Plan (the ?Plan?) of The Hackett Group, Inc. (the ?Company?), the Board of Directors of the Company hereby amends the following sections of the Plan: I. Section 1 of the Plan is hereby amen

December 23, 2022 EX-4.1

Registrant’s 1998 Stock Option and Incentive Plan (Amended and Restated as of February 17, 2022) (incorporated herein by reference to the Registrant’s Registration Statement on Form S-8 filed on December 23, 2022).

Exhibit 4.1 HE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN (Amended and Restated as of February 17, 2022) The Hackett Group, Inc., a Florida corporation (the ?Company?), sets forth herein the terms of its amended and restated 1998 Stock Option and Incentive Plan (the ?Plan?) as follows: 1. PURPOSE The Plan is intended to enhance the Company?s ability to attract and retain highly quali

December 23, 2022 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) The Hackett Group, Inc.

December 13, 2022 SC TO-I/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 2) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 2) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing Person (Offeror)) Common Stock, par value $0.001 per share (Title of Class of Securities) 404609109 (CUSIP Number of Class of Securi

December 13, 2022 EX-99.(A)(5)(E)

Press release announcing the final results of the tender offer.

Exhibit (a)(5)(E) Contact Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group, Inc. Announces Final Results of Its $120 Million Dutch Auction Tender Offer MIAMI, FL ? December 13, 2022 ? The Hackett Group, Inc. (NASDAQ: HCKT) (?Hackett? or the ?Company?), a leading benchmarking, research advisory and strategic consultancy firm that enables organizations to achiev

December 9, 2022 EX-99.(A)(5)(D)

Press release announcing the preliminary results of the tender offer.

Exhibit (a)(5)(D) Contact Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group, Inc. Announces Preliminary Results of Its $120 Million Dutch Auction Tender Offer MIAMI, FL ? December 9, 2022 ? The Hackett Group, Inc. (NASDAQ: HCKT) (?Hackett? or the ?Company?), a leading benchmarking, research advisory and strategic consultancy firm that enables organizations to a

December 9, 2022 SC TO-I/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 1) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO (Amendment No. 1) TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing Person (Offeror)) Common Stock, par value $0.001 per share (Title of Class of Securities) 404609109 (CUSIP Number of Class of Securi

November 9, 2022 EX-99.(A)(1)(C)

Notice of Guaranteed Delivery.

Exhibit (a)(1)(C) Notice of Guaranteed Delivery For Tender of Shares of Common Stock of The Hackett Group, Inc.

November 9, 2022 LETTER

LETTER

United States securities and exchange commission logo November 9, 2022 Ted Fernandez Chief Executive Officer and Chairman of the Board The Hackett Group, Inc.

November 9, 2022 EX-99.(A)(1)(E)

Letter to Clients for Use by Brokers, Dealers, Banks, Trust Companies and Other Nominees.

Exhibit (a)(1)(E) Offer to Purchase for Cash by The Hackett Group, Inc. of Up to $120 Million in Value of Shares of Its Common Stock At a Purchase Price Not Greater than $23.50 per Share Nor Less than $20.50 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 8, 2022, UNLESS THE OFFER IS EXTENDED (SUCH DAT

November 9, 2022 EX-99.(A)(1)(F)

Summary Advertisement, dated November 9, 2022.

Exhibit (a)(1)(F) This announcement is neither an offer to purchase nor a solicitation of an offer to sell shares of common stock of The Hackett Group, Inc.

November 9, 2022 EX-99.(A)(1)(A)

Offer to Purchase, dated November 9, 2022.

Table of Contents Exhibit (a)(1)(A) Offer to Purchase by The Hackett Group, Inc. Up to $120 Million in Value of Shares of Its Common Stock At a Cash Purchase Price Not Greater than $23.50 per Share Nor Less than $20.50 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 8, 2022, UNLESS THE OFFER IS EXTENDE

November 9, 2022 EX-99.(A)(1)(B)

Letter of Transmittal (including IRS Form W-9).

Exhibit (a)(1)(B) Letter of Transmittal For Tender of Shares of Common Stock of The Hackett Group, Inc.

November 9, 2022 EX-99.(A)(5)(C)

Excerpted transcript of the Company’s earnings conference call on November 8, 2022.

Exhibit (a)(5)(C) The following are excerpts from an edited transcript for The Hackett Group, Inc.

November 9, 2022 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? 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 to Commission File Number 333-48123 The Hackett Group

November 9, 2022 SC TO-I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT UNDER SECTION 14(D)(1) OR 13(E)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 The Hackett Group, Inc. (Name Of Subject Company (Issuer) And Filing Person (Offeror)) Common Stock, par value $0.001 per share (Title of Class of Securities) 404609109 (CUSIP Number of Class of Securities) Frank A. Zom

November 9, 2022 EX-99.(A)(1)(G)

Frequently Asked Questions for Employees, dated November 9, 2022.

Exhibit (a)(1)(G) Frequently Asked Questions Regarding The Hackett Group?s Tender Offer to Purchase up to $120 Million of Its Common Stock The Hackett Group, Inc.

November 9, 2022 EX-99.(A)(5)(A)

Press release, dated November 9, 2022, announcing the commencement of the tender offer.

Exhibit (a)(5)(A) Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] THE HACKETT GROUP, INC. COMMENCES $120 MILLION DUTCH AUCTION TENDER OFFER MIAMI, FL ? November 9, 2022 ? The Hackett Group, Inc. (NASDAQ: HCKT) (?Hackett? or the ?Company?), a leading benchmarking, research advisory and strategic consultancy firm that enables organizations to achieve Digital World Class

November 9, 2022 EX-FILING FEES

Calculation of Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table SC TO-I (Form Type) The Hackett Group, Inc.

November 9, 2022 EX-99.(A)(1)(D)

Letter to Brokers, Dealers, Banks, Trust Companies and Other Nominees.

Exhibit (a)(1)(D) Offer to Purchase for Cash by The Hackett Group, Inc. of Up to $120 Million in Value of Shares of Its Common Stock At a Purchase Price Not Greater than $23.50 per Share Nor Less than $20.50 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT, NEW YORK CITY TIME, AT THE END OF THE DAY ON DECEMBER 8, 2022 UNLESS THE OFFER IS EXTENDED (SUCH DATE

November 8, 2022 EX-99.1

The Hackett Group Announces Third Quarter 2022 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2022 Results MIAMI, FL (November 8, 2022) - The Hackett Group, Inc. (NASDAQ: HCKT), a leading benchmarking, research advisory and strategic consultancy firm that enables organizations to achieve Digital World Class? performance, today announced its financial results

November 8, 2022 SC TO-C

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, 2022 The Hackett Grou

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, 2022 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

November 8, 2022 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 ☒ 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 REP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 ? 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 333-48123 The Hack

November 8, 2022 EX-10.1

Third Amended and Restated Credit Agreement, dated November 7, 2022, among The Hackett Group, Inc., the material domestic subsidiaries of the Company named on the signature pages thereto and Bank of America, N.A., as lender (incorporated herein by reference to the Company’s Form 8-K dated November 8, 2022).

Exhibit 10.1 EXECUTION VERSION THIRD AMENDED AND RESTATED CREDIT AGREEMENT Dated as of November 7, 2022 among THE HACKETT GROUP, INC., as the Borrower, THE SUBSIDIARIES OF THE BORROWER PARTY HERETO, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swingline Lender and an L/C Issuer, THE OTHER L/C ISSUERS PARTY HERETO, and THE LENDERS PARTY HERETO BOFA SECURITIES, INC., as Sole Le

November 8, 2022 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 7, 2022 The Hackett Grou

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, 2022 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) Florida 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

October 28, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 October 28, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2021, filed March 4,

October 21, 2022 CORRESP

FOIA CONFIDENTIAL TREATMENT REQUESTED BY THE HACKETT GROUP, INC.

FOIA CONFIDENTIAL TREATMENT REQUESTED BY THE HACKETT GROUP, INC. October 20, 2022 Via Secure File Transfer Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2021, filed March 4, 2022 Item

October 20, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

CORRESP 1 filename1.htm THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 October 20, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December

October 6, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 October 6, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2021 filed March 4, 2

September 22, 2022 LETTER

LETTER

United States securities and exchange commission logo September 22, 2022 Ted Fernandez Chief Executive Officer and Chairman of the Board The Hackett Group, Inc.

September 6, 2022 CORRESP

FOIA Confidential Treatment Requested by The Hackett Group, Inc. Pursuant to 17 C.F.R. §200.83 THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

FOIA Confidential Treatment Requested by The Hackett Group, Inc. Pursuant to 17 C.F.R. ?200.83 THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 September 6, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 R

September 1, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 September 1, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2021 filed March 4,

August 10, 2022 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 1, 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 333-48123 The Hackett Group, Inc.

August 9, 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 9, 2022 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizatio

August 9, 2022 EX-99.1

The Hackett Group Announces Second Quarter 2022 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Second Quarter 2022 Results MIAMI, FL (August 9, 2022) - The Hackett Group, Inc. (NASDAQ: HCKT), a global intellectual property-based strategic consultancy and leading enterprise benchmarking and best practices digital transformation firm, today announced its financial results for

August 4, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 August 4, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2021 filed March 4, 20

July 29, 2022 LETTER

LETTER

United States securities and exchange commission logo July 29, 2022 Ted Fernandez Chief Executive Officer and Chairman of the Board The Hackett Group, Inc.

June 14, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 June 14, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2021 filed March 4, 202

May 24, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 May 24, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2021 filed March 4, 2022

May 16, 2022 LETTER

LETTER

United States securities and exchange commission logo May 16, 2022 Ted Fernandez Chief Executive Officer and Chairman of the Board The Hackett Group, Inc.

May 11, 2022 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 1, 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 333-48123 The Hackett Group, Inc

May 10, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 5, 2022 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

May 10, 2022 EX-99.1

The Hackett Group Announces First Quarter 2022 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces First Quarter 2022 Results MIAMI, FL (May 10, 2022) - The Hackett Group, Inc. (NASDAQ: HCKT), a global intellectual property-based strategic consultancy and leading enterprise benchmarking and best practices digital transformation firm, today announced its financial results for th

May 6, 2022 CORRESP

THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131

CORRESP 1 filename1.htm THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 May 6, 2022 Via Email and EDGAR Mr. Rufus Decker Ms. Linda Cvrkel Division of Corporation Finance Office of Trade & Services Securities and Exchange Commission Mail Stop 3233 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for the fiscal year ended December 31, 2

April 22, 2022 LETTER

LETTER

United States securities and exchange commission logo April 22, 2022 Ted Fernandez Chief Executive Officer and Chairman of the Board The Hackett Group, Inc.

March 24, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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, D.C. 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

March 24, 2022 DEF 14A

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

DEF 14A 1 d229303ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 Pr

March 4, 2022 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub., Inc. Florida The Hackett Group, Inc. Florida Resource Evaluation

March 4, 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 ? 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 333-48123 The Hackett Group, Inc. (E

February 22, 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 22, 2022 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 22, 2022 EX-99.1

The Hackett Group Announces Fourth Quarter 2021 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2021 Results ? Q4 2021 net revenue of $69.8 million, up 18% year over year, which exceeds high end of guidance ? Q4 2021 GAAP EPS of $0.50, includes a tax benefit of $0.23 per share from SARs exercise ? Q4 2021 pro forma EPS of $0.33, up 43% year over year, which ex

February 11, 2022 SC 13G/A

HCKT / The Hackett Group, Inc. / RENAISSANCE TECHNOLOGIES LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* The Hackett Group, Inc. - (Name of Issuer) Common Stock, par value $.001 per share - (Title of Class of Securities) 404609109 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to design

February 10, 2022 SC 13G/A

HCKT / The Hackett Group, Inc. / Trigran Investments, Inc. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. 3)* THE HACKETT GROUP, INC. (Name of Issuer) Common Stock, Par Value of $0.001 Per Share (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2021 Date of Event Which Requires Filin

February 10, 2022 SC 13G/A

HCKT / The Hackett Group, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Hackett Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 404609109 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ 

February 10, 2022 EX-99.1

February 10, 2022

CUSIP No. 404609109 Schedule 13G Page 1 of 1 Exhibit 1 EXHIBIT 1 TO SCHEDULE 13G February 10, 2022 In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, TRIGRAN INVESTMENTS, INC., DOUGLAS GRANAT, LAWRENCE A. OBERMAN, STEVEN G. SIMON, BRADLEY F. SIMON and STEVEN R. MONIESON each hereby agree to the joint filing of this statement on Schedule 13G (including any an

February 1, 2022 SC 13G/A

HCKT / The Hackett Group, Inc. / BlackRock Inc. Passive Investment

us4046091090020122.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 10) HACKETT GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 404609109 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

November 10, 2021 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended October 1, 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 333-48123 The Hackett Group, I

November 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): November 9, 2021 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

November 9, 2021 EX-99.1

The Hackett Group Announces Third Quarter 2021 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2021 Results ? Q3 2021 net revenue of $71.4 million, exceeds high end of guidance ? Q3 2021 GAAP EPS of $0.25 ? Q3 2021 pro forma EPS of $0.32, exceeds the high end of guidance ? Board of Directors declares a $0.10 per share quarterly dividend MIAMI, FL ? November 9,

August 11, 2021 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 2, 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 333-48123 The Hackett Group, Inc.

August 10, 2021 EX-99.1

The Hackett Group Announces Second Quarter 2021 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Second Quarter 2021 Results ? Q2 2021 net revenue of $73.0 million exceeds high end of guidance, which includes a $5.3 million SAP software sale transaction ? Q2 2021 GAAP EPS of $0.32 ? Q2 2021 pro forma EPS of $0.39, which exceeds the high end of guidance or $0.30, excluding the

August 10, 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 10, 2021 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizati

May 12, 2021 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 2, 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 333-48123 The Hackett Group, Inc

May 11, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 6, 2021 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

May 11, 2021 EX-99.1

The Hackett Group Announces First Quarter 2021 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces First Quarter 2021 Results ? Q1 2021 net revenue of $63.4 million exceeds high end of guidance ? Q1 2021 GAAP EPS of $0.19 ? Q1 2021 pro forma EPS of $0.27, up 12.5% year over year and exceeds high end of guidance ? Board of Directors approves $20.0 million increase in the Company

March 24, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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

March 24, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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

March 12, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED January 1, 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 333-48123 The Hackett Group, Inc. (Exa

March 12, 2021 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub., Inc. Florida The Hackett Group, Inc. Florida Resource Evaluation

March 12, 2021 EX-10.15

Amendment No. 1 to Second Amended and Restated Credit Agreement, dated April 1, 2019, among The Hackett Group, Inc., the material domestic subsidiaries of The Hackett Group, Inc. named on the signature pages thereto, and Bank of America, N.A., as lender.

Exhibit 10.15 AMENDMENT NO. 1 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT This AMENDMENT NO. 1 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (this "Amendment") dated as of April 1, 2019 is made by and between BANK OF AMERICA, N.A. (the "Lender"), THE HACKETT GROUP, INC., a Florida corporation (the "Borrower"), and the Guarantors party to the Credit Agreement (as defined below). WITNESSETH: W

February 23, 2021 EX-99.1

The Hackett Group Announces Fourth Quarter 2020 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2020 Results • Q4 2020 net revenue of $59.2 million exceeds high end of guidance • Q4 2020 GAAP EPS of $0.03 • Q4 2020 pro forma EPS of $0.23, up 35% sequentially, which exceeds high end of guidance • Company announces annual dividend increase of 5% and declares a $

February 23, 2021 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): February 18, 2021 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 12, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8 )* Hackett Group Inc/The (Name of Issuer) Common Stock (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

February 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. 2)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. 2)* THE HACKETT GROUP, INC. (Name of Issuer) Common Stock, Par Value of $0.001 Per Share (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2020 Date of Event Which Requires Filin

February 11, 2021 EX-99.1

Schedule 13G

Exhibit 1 CUSIP No. 404609109 Schedule 13G EXHIBIT 1 TO SCHEDULE 13G February 11, 2021 In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, TRIGRAN INVESTMENTS, INC., DOUGLAS GRANAT, LAWRENCE A. OBERMAN, STEVEN G. SIMON, BRADLEY F. SIMON and STEVEN R. MONIESON each hereby agree to the joint filing of this statement on Schedule 13G (including any and all amendm

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Hackett Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 404609109 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ 

February 10, 2021 SC 13G

SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 The Hackett Group, Inc. - (Name of Issuer) Common Stock, par value $.001 per share - (Title of Class of Securities) 404609109 - (CUSIP Number) August 10, 2020 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

January 29, 2021 SC 13G/A

SC 13G/A

us4046091090012921.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 9) HACKETT GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 404609109 - (CUSIP Number) December 31, 2020 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

November 4, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 25, 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 333-48123 The Hackett Group

November 2, 2020 EX-99.1

The Hackett Group Announces Third Quarter 2020 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2020 Results • Q3 2020 net revenue of $57.8 million exceeds high end of guidance • Q3 2020 GAAP EPS of $0.09 • Q3 2020 Pro forma EPS of $0.17, which exceeds high end of guidance • Board of Directors declared a 9.5 cent quarterly dividend MIAMI, FL – November 2, 2020

November 2, 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 2, 2020 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

October 7, 2020 TEXT-EXTRACT

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United States securities and exchange commission logo October 7, 2020 Robert A. Ramirez Finance and Chief Financial Officer The Hackett Group, Inc. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 Re: The Hackett Group, Inc. Form 10-K for Fiscal Year Ended December 27, 2019 Filed March 5, 2020 Form 8-K Furnished August 4, 2020 File No. 333-48123 Dear Mr. Ramirez: We have completed our revi

October 7, 2020 LETTER

LETTER

United States securities and exchange commission logo October 7, 2020 Robert A. Ramirez Finance and Chief Financial Officer The Hackett Group, Inc. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 Re: The Hackett Group, Inc. Form 10-K for Fiscal Year Ended December 27, 2019 Filed March 5, 2020 Form 8-K Furnished August 4, 2020 File No. 333-48123 Dear Mr. Ramirez: We have completed our revi

September 29, 2020 CORRESP

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CORRESP THE HACKETT GROUP, INC. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 September 29, 2020 Via Email and EDGAR Mr. Lyn Shenk Mr. Abe Friedman Division of Corporation Finance Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: The Hackett Group, Inc. Form 10-K for Fiscal Year Ended December 27, 2019 Filed March 5, 2020 Form 8-K Furnished August 4, 2020

September 22, 2020 TEXT-EXTRACT

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United States securities and exchange commission logo September 21, 2020 Robert A.

September 22, 2020 LETTER

LETTER

United States securities and exchange commission logo September 21, 2020 Robert A.

August 5, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 26, 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 333-48123 The Hackett Group, Inc

August 4, 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, 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 30, 2020 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization

August 4, 2020 EX-99.1

The Hackett Group Announces Second Quarter 2020 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Second Quarter 2020 Results • Q2 2020 net revenue of $52.6 million and pro forma EPS of $0.06 • Q2 2020 GAAP loss per share of $0.13, compared to EPS of $0.22 in the prior year due to a $5.0 million COVID-19 restructuring charge to reduce global workforce • Q2 2020 ending cash bal

June 19, 2020 EX-4.1

The Company’s 1998 Stock Option and Incentive Plan (Amended and Restated as of February 12, 2020) (incorporated herein by reference to the Company’s Registration Statement on Form S-8 (File No. 333-239306)).

EX-4.1 Exhibit 4.1 THE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN (Amended and Restated as of February 12, 2020) The Hackett Group, Inc., a Florida corporation (the “Company”), sets forth herein the terms of its amended and restated 1998 Stock Option and Incentive Plan (the “Plan”) as follows: 1. PURPOSE The Plan is intended to enhance the Company’s ability to attract and retain high

June 19, 2020 S-8

- FORM S-8

Form S-8 As filed with the Securities and Exchange Commission on June 19, 2020 Registration No.

May 6, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 27, 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 333-48123 The Hackett Group, In

May 5, 2020 EX-99.1

The Hackett Group Announces First Quarter 2020 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces First Quarter 2020 Results • Q1 2020 net revenue of $65.2 million, up 5%, and pro forma EPS of $0.24, up 9%, both in line with guidance • Q1 2020 GAAP EPS of $0.17, as compared to GAAP EPS of $0.22 in the same period in the prior year • Q1 2020 ending cash balance of $23.3 million

May 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 1, 2020 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

April 14, 2020 DEFA14A

HCKT / Hackett Group, Inc. (The) DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 Pro

April 3, 2020 EX-10.1

Amendment No. 2 to Second Amended and Restated Credit Agreement, dated April 3, 2020, among The Hackett Group, Inc., the material domestic subsidiaries of The Hackett Group, Inc. named on the signatures pages thereto, and Bank of America, N.A., as lender (incorporated by reference to the Registrant’s Form 8-K dated April 3, 2020).

EX-10.1 Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 2 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT This AMENDMENT NO. 2 TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”) dated as of April 3, 2020 is made by and between BANK OF AMERICA, N.A. (the “Lender”), THE HACKETT GROUP, INC., a Florida corporation (the “Borrower”), and the Guarantors party to the Credit Agreement (as defi

April 3, 2020 8-K

Entry into a Material Definitive Agreement, 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): April 3, 2020 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

March 19, 2020 DEFA14A

HCKT / Hackett Group, Inc. (The) DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 Co

March 19, 2020 DEF 14A

HCKT / Hackett Group, Inc. (The) DEF 14A - - DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 5, 2020 EX-4.1

Description of the Registrant’s Securities Registered under Section 12 of the Securities Exchange Act of 1934 (incorporated by reference to the Registrant’s Form 10-K for the year ended December 27, 2019)

Exhibit 4.1 DESCRIPTION OF THE HACKETT GROUP, INC. SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 General The Hackett Group, Inc., a Florida corporation (the “Company” or “we”), is authorized to issue (i) 125,000,000 shares of common stock, $.001 par value per share (“Common Stock”) and (ii) 1,250,000 shares of preferred stock, $0.001 par value per share (the “

March 5, 2020 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub., Inc. Florida The Hackett Group, Inc. Florida Resource Evaluation

March 5, 2020 10-K

HCKT / Hackett Group, Inc. (The) 10-K - Annual Report - FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 27, 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 333-48123 The Hackett Group, Inc. (E

February 18, 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): February 18, 2020 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 18, 2020 EX-99.1

The Hackett Group Announces Fourth Quarter 2019 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2019 Results • Q4 2019 net revenue of $63.7 million, at the high-end of guidance, and pro forma EPS of $0.24, at mid-point of guidance • Q4 2019 GAAP EPS of $0.07 as compared to GAAP EPS of $0.00 in the same period in the prior year • Company announces annual divide

February 12, 2020 SC 13G/A

HCKT / Hackett Group, Inc. (The) / Trigran Investments, Inc. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. 1)* The Hackett Group, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2019 Date of Event Which Requires Filing of the Stat

February 12, 2020 EX-1

FEBRUARY 12, 2020

Exhibit 1 EXHIBIT 1 TO SCHEDULE 13G FEBRUARY 12, 2020 In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, TRIGRAN INVESTMENTS, INC.

February 12, 2020 SC 13G/A

HCKT / Hackett Group, Inc. (The) / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7)* HACKETT GROUP INC/THE (Name of Issuer) Common Stock (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

February 11, 2020 SC 13G

HCKT / Hackett Group, Inc. (The) / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SC 13G 1 tv0164-hackettgroupinc.htm SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Hackett Group Inc Title of Class of Securities: Common Stock CUSIP Number: 404609109 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to whic

February 7, 2020 SC 13G/A

HCKT / Hackett Group, Inc. (The) / FMR LLC / Fidelity Passive Investment

SCHEDULE 13G Amendment No. 1 HACKETT GROUP INC COMMON STOCK Cusip #404609109 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #404609109 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 275 Item 6: 0 Item 7: 416,622 Item 8: 0 Item 9: 416,622 Item 11: 1.393% Item 1

February 5, 2020 SC 13G/A

HCKT / Hackett Group, Inc. (The) / BlackRock Inc. Passive Investment

us4046091090020420.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 8) HACKETT GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 404609109 - (CUSIP Number) December 31, 2019 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

November 6, 2019 EX-10.1

Amendment to Registrant’s 1998 Stock Option and Incentive Plan (Amended and Restated as of March 13, 2015), dated October 31, 2019 (incorporated herein by reference to the Registrant’s Form 10-Q for the quarter ended September 27, 2019).

Exhibit 10.1 AMENDMENT TO THE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN (Amended and Restated as of March 16, 2015) This Amendment (the “Amendment”) to The Hackett Group, Inc. 1998 Stock Option and Incentive Plan, as amended and restated as of March 16, 2015 (the “Plan”), which provides certain protection for recipients of awards under the Plan who are involuntarily terminated follo

November 6, 2019 10-Q

HCKT / Hackett Group, Inc. (The) 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 27, 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 333-48123 The Hackett Group

November 5, 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 5, 2019 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

November 5, 2019 EX-99.1

The Hackett Group Announces Third Quarter 2019 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2019 Results • Q3 2019 net revenue of $66.8 million and pro forma EPS of $0.27, both in line with guidance • Q3 2019 GAAP EPS of $0.21 as compared to GAAP EPS of $0.16 in the same period of the prior year • The Board of Directors declared $0.18 per share semi-annual

August 7, 2019 10-Q

HCKT / Hackett Group, Inc. (The) 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 28, 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 333-48123 The Hackett Group, Inc

August 6, 2019 EX-99.1

The Hackett Group Announces Second Quarter 2019 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Second Quarter 2019 Results • Q2 2019 net revenue of $68.0 million at the mid-point of guidance and pro forma EPS of $0.28, at high-end of guidance • Q2 2019 GAAP EPS of $0.22 as compared to GAAP EPS of $0.36 in the same period of the prior year, which included a favorable $0.14 p

August 6, 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 6, 2019 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizatio

May 8, 2019 10-Q

HCKT / Hackett Group, Inc. (The) 10-Q Quarterly Report 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 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 333-48123 The Hackett Group, In

May 7, 2019 EX-99.1

The Hackett Group Announces First Quarter 2019 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces First Quarter 2019 Results • Q1 2019 net revenue from continuing operations of $62.4 million and pro forma EPS of $0.22, both in line with guidance • Q1 2019 GAAP EPS of $0.22 as compared to GAAP EPS of $0.23 in the same period of the prior year • Board of Directors declares $0.18

May 7, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 2, 2019 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

March 22, 2019 DEFA14A

HCKT / Hackett Group, Inc. (The) DEFA14A

DEFA14A 1 d694348ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 ☐ C

March 22, 2019 DEF 14A

HCKT / Hackett Group, Inc. (The) DEF 14A

DEF 14A 1 d694348ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 Pr

March 8, 2019 10-K

HCKT / Hackett Group, Inc. (The) 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 28, 2018 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 333-48123 The Hackett Group, Inc. (E

March 8, 2019 EX-21.1

Subsidiaries of the Registrant.

Exhibit 21.1 THE HACKETT GROUP, INC. LISTING OF SUBSIDIARIES THE HACKETT GROUP, INC. SUBSIDIARIES JURISDICTION The Hackett Group Australia Pty. Ltd. Australia The Hackett Group Canada, Inc. Canada Resource Evaluation, Inc. Delaware Archstone Acquisition Corp. Florida Jibe Acquisition Sub., Inc. Florida Technolab US Acquisition Sub., Inc. Florida The Hackett Group, Inc. Florida Resource Evaluation

February 20, 2019 8-K/A

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment) 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 19, 2019 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incor

February 20, 2019 EX-99.1

Q4 2018 The Hackett Group Earnings Conference Call February 19, 2019

EX-99.1 Exhibit 99.1 Q4 2018 The Hackett Group Earnings Conference Call February 19, 2019 Corporate Speakers: • Robert A. Ramirez; The Hackett Group, Inc.; CFO & Executive VP of Finance • Ted A. Fernandez; The Hackett Group, Inc.; Co-Founder, Chairman & CEO Participants: • Frank Atkins; SunTrust Robinson Humphrey, Inc.; Associate • George Frederick Sutton; Craig-Hallum Capital Group LLC; Partner,

February 19, 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): February 19, 2019 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organiza

February 19, 2019 EX-99.1

The Hackett Group Announces Fourth Quarter 2018 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Fourth Quarter 2018 Results • Q4 2018 net revenue from continuing operations of $61.6 million, and pro forma EPS of $0.26, both within guidance range • Q4 2018 GAAP EPS of $0.00 as compared to GAAP EPS of $0.29 in the same period in the prior year. Q4 2018 GAAP EPS includes the di

February 14, 2019 EX-1

FEBRUARY 14, 2019

Exhibit 1 EXHIBIT 1 TO SCHEDULE 13G FEBRUARY 14, 2019 In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, TRIGRAN INVESTMENTS, INC.

February 14, 2019 SC 13G

HCKT / Hackett Group, Inc. (The) / Trigran Investments, Inc. - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 Under the Securities Exchange Act of 1934 (Amendment No. )* The Hackett Group, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2018 Date of Event Which Requires Filing of the State

February 13, 2019 SC 13G

HCKT / Hackett Group, Inc. (The) / FMR LLC / Fidelity Passive Investment

SCHEDULE 13G Amendment No. 0 HACKETT GROUP INC COMMON STOCK Cusip #404609109 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #404609109 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 6,099 Item 6: 0 Item 7: 2,668,125 Item 8: 0 Item 9: 2,668,125 Item 11: 9.038%

February 8, 2019 SC 13G/A

HCKT / Hackett Group, Inc. (The) / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* HACKETT GROUP INC/THE (Name of Issuer) Common Stock (Title of Class of Securities) 404609109 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

February 4, 2019 SC 13G/A

HCKT / Hackett Group, Inc. (The) / BlackRock Inc. Passive Investment

us4046091090020419.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 7) THE HACKETT GROUP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 404609109 - (CUSIP Number) December 31, 2018 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

November 7, 2018 10-Q

HCKT / Hackett Group, Inc. (The) 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 28, 2018 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 333-48123 The Hackett Group

November 6, 2018 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 6, 2018 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizat

November 6, 2018 EX-99

The Hackett Group Announces Third Quarter 2018 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Third Quarter 2018 Results • Q3 2018 net revenue of $68.2 million, up 3.5% when compared to prior year and in line with guidance • Q3 2018 pro forma diluted EPS of $0.27 per share, up 4% from prior year and in line with guidance • Board of Directors declares $0.17 dividend to be p

September 6, 2018 EX-4.3

Amendment No. 3 to The Hackett Group, Inc. Employee Stock Purchase Plan, as amended.

EX-4.3 Exhibit 4.3 Employee Stock Purchase Plan Amendment Number 3 to the Employee Stock Purchase Plan of The Hackett Group, Inc. Pursuant to the authority granted pursuant to Section 24 of the Employee Stock Purchase Plan (the “Plan”) of The Hackett Group, Inc. (the “Company”), the Board of Directors of the Company hereby amends the following sections of the Plan: I. Section 1 of the Plan is here

September 6, 2018 EX-4.2

Amendment No. 3 to Registrant’s Employee Stock Purchase Plan (incorporated herein by reference to the Registrant’s Registration Statement on Form S-8 filed on September 6, 2018).

EX-4.2 Exhibit 4.2 AMENDMENT TO THE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN (Amended and Restated as of March 13, 2015) This Amendment (the “Amendment”) to The Hackett Group, Inc. 1998 Stock Option and Incentive Plan, as amended and restated as of March 13, 2015 (the “Plan”), which (i) increases the sublimit under the Plan for restricted stock and restricted stock unit issuances b

September 6, 2018 EX-4.1

Registrant’s 1998 Stock Option and Incentive Plan (Amended and Restated as of March 16, 2015) (incorporated herein by reference to the Registrant’s Registration Statement on Form S-8 filed on September 6, 2018).

EX-4.1 Exhibit 4.1 THE HACKETT GROUP, INC. 1998 STOCK OPTION AND INCENTIVE PLAN (Amended and Restated as of March 16, 2015) The Hackett Group, Inc., a Florida corporation (the “Company”), sets forth herein the terms of its amended and restated 1998 Stock Option and Incentive Plan (the “Plan”) as follows: 1. PURPOSE The Plan is intended to enhance the Company’s ability to attract and retain highly

September 6, 2018 S-8

HCKT / Hackett Group, Inc. (The) FORM S-8

Form S-8 As filed with the Securities and Exchange Commission on September 6, 2018 Registration No.

August 8, 2018 10-Q

HCKT / Hackett Group, Inc. (The) 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 29, 2018 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 333-48123 The Hackett Group, Inc

August 7, 2018 EX-99

The Hackett Group Announces Second Quarter 2018 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces Second Quarter 2018 Results • Q2 2018 net revenue of $69.6 million, up 3% when compared to prior year and in line with guidance • Q2 2018 pro forma diluted EPS of $0.27 per share, up 8% from prior year • Declared semi-annual dividend of $0.17 per share, up 13% from prior year MIAM

August 7, 2018 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 7, 2018 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organizatio

May 9, 2018 10-Q

HCKT / Hackett Group, Inc. (The) 10-Q Q1-2018 (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 30, 2018 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 333-48123 The Hackett Group, In

May 8, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): May 2, 2018 The Hackett Group, Inc. (Exact name of registrant as specified in its charter) FLORIDA 333-48123 65-0750100 (State or other jurisdiction of incorporation or organization)

May 8, 2018 EX-99.1

The Hackett Group Announces First Quarter 2018 Results

Exhibit 99.1 Contact: Robert A. Ramirez, CFO, 305-375-8005 or [email protected] The Hackett Group Announces First Quarter 2018 Results • Q1 2018 total net revenue of $67.5 million, up 4% from prior year, and pro forma EPS of $0.26, up 13% from prior year and both in line with guidance • Board of Directors declares $0.17 semi-annual dividend and approves a $5.0 million increase in the Co

March 23, 2018 DEFA14A

HCKT / Hackett Group, Inc. (The) DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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

March 23, 2018 DEF 14A

HCKT / Hackett Group, Inc. (The) DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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

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