Insider Ledger
Sera Prognostics, Inc. (SERA) insider buying and SEC filings
Sera Prognostics, Inc. · CIK 1534969
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Services-Medical Laboratories
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- SERA PROGNOSTICS, INC.
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$518K
Planned sales (10b5-1)
$47K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 12, 2026 | Sale | Tiffany Eul Davis Inglis (Chief Medical Officer) sold 8,024 shares at about $2.03 ($16K). Holdings down 9% to 83,565 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 13, 2026, 5:06 PM ET |
| Sep 10, 2026 | Sale | Tiffany Eul Davis Inglis (Chief Medical Officer) sold 486 shares at about $2.00 ($972). Holdings down 1% to 91,589 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 11, 2026 |
| Sep 10, 2026 | Sale | Dyaarl Lee Anderson Jr. (Chief Commercial Officer) sold 1,800 shares at about $2.00 ($4K). Holdings down 2% to 76,198 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 11, 2026 |
| Sep 10, 2026 | Sale | Zhenya Lindgardt (CEO and Director) sold 7,022 shares at about $2.00 ($14K). Holdings down 1% to 837,848 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 11, 2026 |
| Sep 10, 2026 | Sale | Benjamin Jackson (General Counsel) sold 2,190 shares at about $2.00 ($4K). Holdings down 1% to 159,566 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 11, 2026 |
| Sep 8, 2026 | Sale | Zhenya Lindgardt (CEO and Director) sold 20,139 shares at about $2.00 ($40K). Holdings down 2% to 844,870 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 9, 2026 |
| Jun 11, 2026 | Sale | Tiffany Eul Davis Inglis (Chief Medical Officer) sold 362 shares at about $2.01 ($728). Holdings down <1% to 92,075 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 11, 2026 | Sale | Dyaarl Lee Anderson Jr. (Chief Commercial Officer) sold 4,739 shares at about $2.01 ($10K). Holdings down 6% to 77,998 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 11, 2026 | Sale | Austin Aerts (CFO) sold 2,037 shares at about $2.01 ($4K). Holdings down 1% to 301,190 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 11, 2026 | Sale | Zhenya Lindgardt (CEO and Director) sold 6,990 shares at about $2.01 ($14K). Holdings down 1% to 865,009 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 11, 2026 | Sale | Benjamin Jackson (General Counsel) sold 2,179 shares at about $2.01 ($4K). Holdings down 1% to 161,756 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 9, 2026 | Sale | Austin Aerts (CFO) sold 5,440 shares at about $2.08 ($11K). Holdings down 2% to 303,227 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 10, 2026 |
| Jun 9, 2026 | Sale | Zhenya Lindgardt (CEO and Director) sold 20,755 shares at about $2.08 ($43K). Holdings down 2% to 871,999 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 10, 2026 |
| Jun 8, 2026 | Planned (10b5-1) | Sandra AJ Lawrence (Director) sold 1,560 shares at about $2.15 ($3K), marked as a 10b5-1 plan trade. Holdings down 9% to 16,473 shares. | SEC filing Filed Jun 9, 2026 |
| Mar 11, 2026 | Sale | Paul Kearney (Chief Data Officer) sold 1,396 shares at about $2.04 ($3K). Holdings down 1% to 163,961 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 11, 2026 | Sale | Benjamin Jackson (General Counsel) sold 1,027 shares at about $2.04 ($2K). Holdings down 1% to 114,720 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 11, 2026 | Sale | Robert Gardner Harrison (Chief Information Officer) sold 716 shares at about $2.04 ($1K). Holdings down 1% to 76,712 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 11, 2026 | Sale | John J. Boniface (Chief Scientific Officer) sold 1,517 shares at about $2.04 ($3K). Holdings down 1% to 145,842 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10–11, 2026 | Sale | Zhenya Lindgardt (CEO and Director) sold 25,612 shares between Mar 10 and Mar 11 at about $1.92 ($49K). Holdings down 3% to 738,314 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10–11, 2026 | Sale | Austin Aerts (CFO) sold 7,088 shares between Mar 10 and Mar 11 at about $1.92 ($14K). Holdings down 3% to 264,452 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 9, 2026 | Sale | Paul Kearney (Chief Data Officer) sold 2,026 shares at about $1.96 ($4K). Holdings down 1% to 165,357 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 9, 2026 | Sale | Benjamin Jackson (General Counsel) sold 3,119 shares at about $1.96 ($6K). Holdings down 3% to 115,747 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 9, 2026 | Sale | Robert Gardner Harrison (Chief Information Officer) sold 3,360 shares at about $1.96 ($7K). Holdings down 4% to 77,428 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 9, 2026 | Sale | John J. Boniface (Chief Scientific Officer) sold 3,038 shares at about $1.96 ($6K). Holdings down 2% to 147,359 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 9, 2026 | Sale | Austin Aerts (CFO) sold 674 shares at about $1.96 ($1K). Holdings down <1% to 271,540 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 6, 2026 | Planned (10b5-1) | Sandra AJ Lawrence (Director) sold 1,560 shares at about $1.95 ($3K), marked as a 10b5-1 plan trade. Holdings down 8% to 18,033 shares. | SEC filing Filed Mar 6, 2026 |
| Feb 24, 2026 | Planned (10b5-1) | Robert Gardner Harrison (Chief Information Officer) sold 2,000 shares at about $2.34 ($5K), marked as a 10b5-1 plan trade. Holdings down 2% to 80,788 shares. | SEC filing Filed Feb 24, 2026 |
| Jan 27, 2026 | Planned (10b5-1) | Robert Gardner Harrison (Chief Information Officer) sold 2,000 shares at about $2.97 ($6K), marked as a 10b5-1 plan trade. Holdings down 2% to 82,788 shares. | SEC filing Filed Jan 27, 2026 |
| Dec 30, 2025 | Planned (10b5-1) | Robert Gardner Harrison (Chief Information Officer) sold 2,000 shares at about $3.00 ($6K), marked as a 10b5-1 plan trade. Holdings down 2% to 84,788 shares. | SEC filing Filed Dec 30, 2025 |
| Dec 10, 2025 | Sale | Zhenya Lindgardt (CEO and Director) sold 4,155 shares at about $3.31 ($14K). Holdings down 1% to 763,926 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
| Dec 10, 2025 | Sale | Paul Kearney (Chief Data Officer) sold 1,213 shares at about $3.31 ($4K). Holdings down 1% to 167,383 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
| Dec 10, 2025 | Sale | Benjamin Jackson (General Counsel) sold 892 shares at about $3.31 ($3K). Holdings down 1% to 118,866 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
| Dec 10, 2025 | Sale | Robert Gardner Harrison (Chief Information Officer) sold 616 shares at about $3.31 ($2K). Holdings down 1% to 86,788 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
| Dec 10, 2025 | Sale | John J. Boniface (Chief Scientific Officer) sold 1,332 shares at about $3.31 ($4K). Holdings down 1% to 150,397 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
| Dec 10, 2025 | Sale | Austin Aerts (CFO) sold 873 shares at about $3.31 ($3K). Holdings down <1% to 272,214 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
| Dec 9, 2025 | Sale | Zhenya Lindgardt (CEO and Director) sold 28,215 shares at about $3.04 ($86K). Holdings down 4% to 768,081 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 10, 2025 |
| Dec 9, 2025 | Sale | Austin Aerts (CFO) sold 5,232 shares at about $3.04 ($16K). Holdings down 2% to 273,087 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 10, 2025 |
| Dec 8, 2025 | Planned (10b5-1) | Sandra AJ Lawrence (Director) sold 1,560 shares at about $3.05 ($5K), marked as a 10b5-1 plan trade. Holdings down 7% to 19,593 shares. | SEC filing Filed Dec 8, 2025 |
| Dec 5, 2025 | Sale | Mansoor Raza Mirza (Director) sold 292 shares at about $3.05 ($891). Holdings down 1% to 57,740 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 5, 2025 |
| Dec 2, 2025 | Planned (10b5-1) | Robert Gardner Harrison (Chief Information Officer) sold 2,000 shares at about $2.93 ($6K), marked as a 10b5-1 plan trade. Holdings down 2% to 87,404 shares. | SEC filing Filed Dec 3, 2025 |
| Nov 26, 2025 | Planned (10b5-1) | Paul Kearney (Chief Data Officer) sold 1,986 shares at about $3.51 ($7K), marked as a 10b5-1 plan trade. Holdings down 1% to 168,596 shares. | SEC filing Filed Nov 26, 2025 |
| Nov 10, 2025 | Sale | Zhenya Lindgardt (CEO and Director) sold 11,594 shares at about $2.62 ($30K). Holdings down 1% to 796,296 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
| Nov 10, 2025 | Sale | Paul Kearney (Chief Data Officer) sold 7,073 shares at about $2.62 ($19K). Holdings down 4% to 168,596 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
| Nov 10, 2025 | Sale | Benjamin Jackson (General Counsel) sold 7,059 shares at about $2.62 ($18K). Holdings down 6% to 119,758 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
| Nov 10, 2025 | Sale | Robert Gardner Harrison (Chief Information Officer) sold 6,528 shares at about $2.62 ($17K). Holdings down 7% to 89,404 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
| Nov 10, 2025 | Sale | John J. Boniface (Chief Scientific Officer) sold 7,767 shares at about $2.62 ($20K). Holdings down 5% to 151,726 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
| Nov 10, 2025 | Sale | Austin Aerts (CFO) sold 6,351 shares at about $2.62 ($17K). Holdings down 2% to 278,319 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
| Nov 5, 2025 | Sale | Mansoor Raza Mirza (Director) sold 221 shares at about $3.04 ($672). Holdings down <1% to 58,032 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 6, 2025 |
| Nov 4, 2025 | Planned (10b5-1) | Robert Gardner Harrison (Chief Information Officer) sold 2,000 shares at about $3.07 ($6K), marked as a 10b5-1 plan trade. Holdings down 2% to 95,932 shares. | SEC filing Filed Nov 4, 2025 |
19 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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