Company: HCKT
Filing Date: 2025-12-05
Form Type: SC TO-I/A
Source: 0001193125-25-308703
Chunk: 0

Company: HACKETT GROUP, INC.
Filing Date: 2025-12-05
Form: SC TO-I/A
Chunk 0
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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 Securities) Keith E. Henrich, Esq. General Counsel and Secretary The Hackett Group, Inc. 1001 Brickell Bay Drive, Suite 3000 Miami, Florida 33131 (305) 375-8005 (Name, address and telephone number of person authorized to receive notices and communications on behalf of filing persons) Copy to: John B. Beckman, Esq. Hogan Lovells US LLP 555 Thirteenth Street, NW Washington, DC 20004 (202) 637-5600

| ☐ | Check the box if the filing relates solely to preliminary communications made before the commencement of a 
 tender offer.                                                                                              |

Check the appropriate boxes below to designate any transactions to which the statement relates:

| ☐ | third-party tender offer subject to Rule 14d-1. |

| ☒ | issuer tender offer subject to Rule 13e-4. |

| ☐ | going-private transaction subject to Rule 13e-3. |

| ☐ | amendment to Schedule 13D under Rule 13d-2. |

Check the following box if the filing is a final amendment reporting the results of the tender offer: ☐ If applicable, check the appropriate box(es) below to designate the appropriate rule provision(s) relied upon:

| ☐ | Rule 13e-4(i) (Cross-Border Issuer Tender Offer) |

| ☐ | Rule 14d-1(d) (Cross-Border Third Party Tender Offer) |

SCHEDULE TO This Amendment No. 1 amends and supplements the Tender Offer Statement on Schedule TO originally filed with the United States Securities and Exchange Commission (the “SEC”) by The Hackett Group, Inc., a Florida corporation (“Hackett” or the “Company”), on November 5, 2025 (the “Schedule TO”), in connection with the Company’s offer (the “Offer”) to purchase