SERA PROGNOSTICS, 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 |
|---|---|---|---|---|---|---|---|
| Harrison Robert Gardner | Chief Information Officer | Sale | 2,000 | $3.00 | $6,000 | 84,788 | Dec 30, 2025 |
| Lindgardt Zhenya | Chief Executive Officer | Sale | 4,155 | $3.31 | $13,753 | 763,926 | Dec 10, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 1,213 | $3.31 | $4,015 | 167,383 | Dec 10, 2025 |
| Jackson Benjamin | General Counsel | Sale | 892 | $3.31 | $2,953 | 118,866 | Dec 10, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 616 | $3.31 | $2,039 | 86,788 | Dec 10, 2025 |
| Boniface John J. | Chief Scientific Officer | Sale | 1,332 | $3.31 | $4,409 | 150,397 | Dec 10, 2025 |
| Aerts Austin | Chief Financial Officer | Sale | 873 | $3.31 | $2,890 | 272,214 | Dec 10, 2025 |
| Lindgardt Zhenya | Chief Executive Officer | Sale | 28,215 | $3.04 | $85,774 | 768,081 | Dec 9, 2025 |
| Aerts Austin | Chief Financial Officer | Sale | 5,232 | $3.04 | $15,905 | 273,087 | Dec 9, 2025 |
| Lawrence Sandra AJ | — | Sale | 1,560 | $3.05 | $4,758 | 19,593 | Dec 8, 2025 |
| Mirza Mansoor Raza | — | Sale | 292 | $3.05 | $891 | 57,740 | Dec 5, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 2,000 | $2.93 | $5,860 | 87,404 | Dec 2, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 32,203 | $2.94 | $94,677 | 168,596 | Dec 2, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 1,986 | $3.51 | $6,971 | 168,596 | Nov 26, 2025 |
| Lindgardt Zhenya | Chief Executive Officer | Sale | 11,594 | $2.62 | $30,376 | 796,296 | Nov 10, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 7,073 | $2.62 | $18,531 | 168,596 | Nov 10, 2025 |
| Jackson Benjamin | General Counsel | Sale | 7,059 | $2.62 | $18,495 | 119,758 | Nov 10, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 6,528 | $2.62 | $17,103 | 89,404 | Nov 10, 2025 |
| Boniface John J. | Chief Scientific Officer | Sale | 7,767 | $2.62 | $20,350 | 151,726 | Nov 10, 2025 |
| Aerts Austin | Chief Financial Officer | Sale | 6,351 | $2.62 | $16,640 | 278,319 | Nov 10, 2025 |
| Mirza Mansoor Raza | — | Sale | 221 | $3.04 | $672 | 58,032 | Nov 5, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 2,000 | $3.07 | $6,140 | 95,932 | Nov 4, 2025 |
| Inglis Tiffany Eul Davis | Chief Medical Officer | Award / Grant | 75,000 | — | — | 75,000 | Oct 15, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 2,000 | $3.18 | $6,360 | 97,932 | Oct 7, 2025 |
| Mirza Mansoor Raza | — | Sale | 227 | $3.16 | $717 | 58,253 | Oct 6, 2025 |
| Lindgardt Zhenya | Chief Executive Officer | Sale | 3,246 | $3.13 | $10,160 | 807,890 | Sep 11, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 1,271 | $3.13 | $3,978 | 175,669 | Sep 11, 2025 |
| Jackson Benjamin | General Counsel | Sale | 934 | $3.13 | $2,923 | 126,817 | Sep 11, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 645 | $3.13 | $2,019 | 99,932 | Sep 11, 2025 |
| Boniface John J. | Chief Scientific Officer | Sale | 1,395 | $3.13 | $4,366 | 159,493 | Sep 11, 2025 |
| Aerts Austin | Chief Financial Officer | Sale | 915 | $3.13 | $2,864 | 284,670 | Sep 11, 2025 |
| Lawrence Sandra AJ | — | Sale | 1,560 | $3.05 | $4,758 | 21,153 | Sep 9, 2025 |
| Lindgardt Zhenya | Chief Executive Officer | Sale | 21,158 | $3.15 | $66,648 | 811,136 | Sep 9, 2025 |
| Aerts Austin | Chief Financial Officer | Sale | 5,263 | $3.15 | $16,578 | 285,585 | Sep 9, 2025 |
| Lawrence Sandra AJ | — | Sale | 3,899 | $3.05 | $11,892 | 18,814 | Sep 9, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 2,000 | $3.05 | $6,100 | 100,577 | Sep 9, 2025 |
| Mirza Mansoor Raza | — | Sale | 222 | $3.35 | $744 | 58,480 | Sep 5, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 1,458 | $3.49 | $5,088 | 176,940 | Sep 2, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 10,542 | $3.49 | $36,792 | 178,398 | Aug 29, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 6,000 | $2.22 | $13,320 | 102,577 | Aug 20, 2025 |
| Lindgardt Zhenya | Chief Executive Officer | Sale | 8,571 | $2.54 | $21,770 | 832,294 | Aug 8, 2025 |
| Kearney Paul | Chief Data Officer | Sale | 6,460 | $2.54 | $16,408 | 188,940 | Aug 8, 2025 |
| Jackson Benjamin | General Counsel | Sale | 6,447 | $2.54 | $16,375 | 127,751 | Aug 8, 2025 |
| Harrison Robert Gardner | Chief Information Officer | Sale | 5,962 | $2.54 | $15,143 | 108,577 | Aug 8, 2025 |
| Boniface John J. | Chief Scientific Officer | Sale | 7,094 | $2.54 | $18,019 | 160,888 | Aug 8, 2025 |
| Aerts Austin | Chief Financial Officer | Sale | 5,800 | $2.54 | $14,732 | 290,848 | Aug 8, 2025 |
| Mirza Mansoor Raza | — | Sale | 225 | $2.50 | $563 | 58,702 | Aug 5, 2025 |
| Mirza Mansoor Raza | — | Sale | 234 | $2.36 | $552 | 58,927 | Jul 7, 2025 |
| Anderson Dyaarl Lee Jr. | Chief Commercial Officer | Award / Grant | 67,114 | — | — | 67,114 | Jun 23, 2025 |
| Jackson Benjamin | General Counsel | Sale | 965 | $1.48 | $1,428 | 134,198 | Jun 10, 2025 |