CERO THERAPEUTICS HOLDINGS, INC. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| ATWOOD BRIAN G | — | Option Exercise | 294,460 | — | — | 490,534 | Mar 31, 2025 |
| YK Bioventures Opportunities GP I, LLC | — | Sale | 2,998,908 | $0.06 | $179,934 | 13,005,169 | Dec 11, 2024 |
| Kossar Mitchell William | — | Sale | 1,236,874 | $0.12 | $148,425 | 21,383,909 | Dec 10, 2024 |
| Kossar Mitchell William | — | Sale | 3,250,000 | $0.10 | $325,000 | 22,620,783 | Oct 10, 2024 |
| LAPORTE KATHLEEN | — | Option Exercise | 965,997 | — | — | 965,997 | Sep 25, 2024 |
| Ehrlich Christopher B | Interim Chairman and CEO | Option Exercise | 5,312,983 | — | — | 5,791,808 | Sep 25, 2024 |
| ATWOOD BRIAN G | — | Option Exercise | 19,358,578 | — | — | 19,607,313 | Sep 25, 2024 |
| SLOAN STUART M | — | Sale | 532,486 | $0.10 | $53,249 | 21,067,956 | Sep 25, 2024 |
| ATWOOD BRIAN G | Chief Executive Officer | Other | 148,208 | — | — | 248,735 | Feb 14, 2024 |
| ATWOOD BRIAN G | Chief Executive Officer | Other | 148,208 | — | — | 248,735 | Feb 14, 2024 |
| Loewy Caroline M | — | Other | 5,828 | — | — | 5,828 | Feb 14, 2024 |
| Kosacz Barbara | — | Other | 5,828 | — | — | 5,828 | Feb 14, 2024 |
| Geffken Daniel E. | Chief Financial Officer | Other | 10,002 | — | — | 10,002 | Feb 14, 2024 |
| Fisher Douglas Carl | President | Other | 43,300 | — | — | 43,300 | Feb 14, 2024 |
| PHOENIX BIOTECH SPONSOR, LLC | — | Other | 4,171,246 | — | — | 1,000,000 | Feb 14, 2024 |
| LAPORTE KATHLEEN | — | Other | 5,828 | — | — | 5,828 | Feb 14, 2024 |
| Ehrlich Christopher B | — | Other | 3,600 | — | — | 3,600 | Feb 14, 2024 |
| ATWOOD BRIAN G | Chief Executive Officer | Other | 148,208 | — | — | 248,735 | Feb 14, 2024 |
| Fisher Douglas | President | Other | 10,000 | — | — | 10,000 | Oct 8, 2021 |
| Ehrlich Christopher B | CEO and Secretary | Other | 36,733 | $10.00 | $367,330 | 699,996 | Oct 8, 2021 |
| PHOENIX BIOTECH SPONSOR, LLC | — | Other | 36,733 | $10.00 | $367,330 | 699,996 | Oct 8, 2021 |