Company: HCKT
Filing Date: 2025-11-05
Form Type: SC TO-I
Source: 0001193125-25-267274
Chunk: 1

Company: HACKETT GROUP, INC.
Filing Date: 2025-11-05
Form: SC TO-I
Chunk 1
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 applicable withholding taxes and without interest, on the terms and subject to the conditions set forth in the Offer to Purchase, dated November 5, 2025 (the “Offer to Purchase”), a copy of which is filed herewith as Exhibit (a)(1)(A), and in the related Letter of Transmittal (the “Letter of Transmittal” and, together with the Offer to Purchase, as they may be amended or supplemented from time to time, the “Offer”), a copy of which is filed herewith as Exhibit (a)(1)(B). This Tender Offer Statement on Schedule TO is intended to satisfy the reporting requirements of Rule 13e-4(c)(2)under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The information contained in the Offer to Purchase and the Letter of Transmittal is hereby incorporated by reference in response to all the items of this Schedule TO, and as more particularly set forth below.

| ITEM 1. | SUMMARY TERM SHEET |

The information set forth in the section captioned “Summary Term Sheet” in the Offer to Purchase is incorporated herein by reference.

| ITEM 2. | SUBJECT COMPANY INFORMATION |

(a) Name and Address:The name of the subject company is The Hackett Group, Inc., a Florida corporation. The address of its principal executive office is 1001 Brickell Bay Drive, Suite 3000, Miami, Florida 33131 and its telephone number is (305) 375-8005.The information set forth in Section 10 (“Certain Information Concerning Us”) of the Offer to Purchase is incorporated herein by reference. (b) Securities:The information set forth in the section of the Offer to Purchase captioned “Introduction” is incorporated herein by reference. (c) Trading Market and Price:The information set forth in the section captioned “Introduction” in the Offer to Purchase is incorporated herein by reference. Section 8 (“Price Range of Shares; Dividends”) of the Offer to Purchase is incorporated herein by reference.

| ITEM 3. | IDENTITY AND BACKGROUND OF FILING PERSON |

(a) Name and Address:The name of the filing person is The Hackett Group, Inc., a Florida corporation. The address of its principal executive office is 1001 Brickell Bay Drive, Suite 3000, Miami, Florida 33131 and its telephone number is (305) 375-8005.The information set forth in Section 10 (“Certain Information Concerning Us”) and