| 11/04/2026 3:45 PM | The Hackett Group (1057379) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 08/05/2026 4:13 PM | The Hackett Group (1057379) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 05/06/2026 4:16 PM | The Hackett Group (1057379) Filer | Form S-8 Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
| 05/06/2026 3:50 PM | The Hackett Group (1057379) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 05/05/2026 3:21 PM | The Hackett Group (1057379) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 03/27/2026 8:31 AM | The Hackett Group (1057379) Subject VANGUARD GROUP INC (102909) Filed by | Form SCHEDULE 13G/A | |
| 03/20/2026 3:24 PM | The Hackett Group (1057379) Filer | Form DEFA14A | |
| 03/20/2026 3:05 PM | The Hackett Group (1057379) Filer | Form DEF 14A | |
| 03/20/2026 3:06 PM | The Hackett Group (1057379) Filer | Form ARS | |
| 03/03/2026 1:48 PM | The Hackett Group (1057379) Subject ROYCE & ASSOCIATES LP (906304) Filed by | Form SCHEDULE 13G/A | |
| 02/23/2026 3:18 PM | The Hackett Group (1057379) Issuer HARRIS JOHN R (1079144) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/23/2026 3:19 PM | The Hackett Group (1057379) Issuer Rivero Robert A (1667722) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/23/2026 3:19 PM | The Hackett Group (1057379) Issuer HAMLIN RICHARD N (1250781) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:41 PM | Bofill Maria de los Angeles (1841524) Reporting The Hackett Group (1057379) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:41 PM | The Hackett Group (1057379) Issuer Ramirez, Roberto A (1409248) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:39 PM | The Hackett Group (1057379) Issuer WIX ALAN T G (1213156) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:39 PM | The Hackett Group (1057379) Issuer Rivero Robert A (1667722) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:39 PM | The Hackett Group (1057379) Issuer HARRIS JOHN R (1079144) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:40 PM | The Hackett Group (1057379) Issuer HAMLIN RICHARD N (1250781) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:40 PM | FERNANDEZ TED A (1209373) Reporting The Hackett Group (1057379) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/17/2026 8:40 PM | DUNGAN DAVID N (1213154) Reporting The Hackett Group (1057379) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 12/08/2025 3:40 PM | The Hackett Group (1057379) Subject | Form SC TO-I/A | |
| 12/05/2025 7:17 AM | The Hackett Group (1057379) Subject | Form SC TO-I/A | |
| 11/17/2025 3:18 PM | DUNGAN DAVID N (1213154) Reporting The Hackett Group (1057379) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |