Quick Takeaways
- Biglari Holdings Inc. filed SCHEDULE 13D/A for JACK IN THE BOX INC Common Stock (JACK).
- Disclosed ownership: 10%.
- Date of event: 12 Jan 2026.
Biglari Holdings Inc. - 12 Jan 2026 SCHEDULE 13D/A Report for JACK IN THE BOX INC Common Stock (JACK)
- Filing Manager
- Biglari Holdings Inc.
- Reporting Manager
- BIGLARI, SARDAR
- Security
- JACK IN THE BOX INC Common Stock
- Symbol
- JACK
- Shares outstanding
- 18,880,451 shares
- Disclosed Ownership
- 1,884,269 shares
- Ownership
- 10%
- Form type
- SCHEDULE 13D/A
- Filing time
- 14 Jan 2026, 18:45:19 UTC
- Date of event
- 12 Jan 2026
- Previous filing
- 29 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Biglari Holdings Inc. disclosed 10% ownership in JACK IN THE BOX INC Common Stock (JACK) on 12 Jan 2026."
What Changed
- Previous schedule filing date: 29 Dec 2025.
- Current filing was accepted on 14 Jan 2026, 18:45.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (10)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Biglari Holdings Inc. | 1.1% | 200,617 | 200,617 | 0 | /s/ Sardar Biglari | Sardar Biglari, Chairman and Chief Executive Officer | 0001726173 |
| LION FUND, L.P. | 2.9% | 542,700 | 542,700 | 0 | /s/ Sardar Biglari | Sardar Biglari, Chairman and Chief Executive Officer of Biglari Capital Corp., its general partner | 0001334426 |
| LION FUND II, L.P. | 6% | 1,140,952 | 1,140,952 | 0 | /s/ Sardar Biglari | Sardar Biglari, Chairman and Chief Executive Officer of Biglari Capital Corp., its general partner | 0001580602 |
| Southern Pioneer Property & Casualty Insurance Company | 0.6% | 106,317 | 106,317 | 0 | /s/ Sardar Biglari | Sardar Biglari, Authorized Signatory | |
| First Guard Insurance Company | 0.1% | 21,900 | 21,900 | 0 | /s/ Sardar Biglari | Sardar Biglari, Authorized Signatory | |
| Biglari Reinsurance Ltd. | 0.8% | 148,217 | 148,217 | 0 | /s/ Sardar Biglari | Sardar Biglari, Chairman and Chief Executive Officer | 0002035328 |
| Biglari Insurance Group Inc. | 0.8% | 148,217 | 148,217 | 0 | /s/ Sardar Biglari | Sardar Biglari, Chairman of the Board | 0002034968 |
| Western Sizzlin Corporation | 0.3% | 52,400 | 52,400 | 0 | /s/ Sardar Biglari | Sardar Biglari, President | |
| BIGLARI CAPITAL CORP. | 8.9% | 1,683,652 | 1,683,652 | 0 | /s/ Sardar Biglari | Sardar Biglari, Chairman and Chief Executive Officer | 0001334429 |
| BIGLARI, SARDAR | 10% | 1,884,269 | 1,884,269 | 0 | /s/ Sardar Biglari | Sardar Biglari | 0001334430 |