Sera Prognostics, Inc.
SERA- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0001534969
In the last 90 days, Sera Prognostics, Inc. insiders filed 0 open-market purchases and 5 sales; 47 institutions reported holding it in 13F filings for Q2 2026, worth $31.0M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Sera Prognostics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 5 filings
- 4 insiders, $63.3K in total
- Insiders trading
- 4
- Net value
- −$63.3K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Sera Prognostics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Anderson Dyaarl Lee Jr. | Chief Commercial Officer | 76,198 | Sep 11, 2026 | 4 |
| Lindgardt Zhenya | Chief Executive Officer | 837,848 | Sep 11, 2026 | 9 |
| Inglis Tiffany Eul Davis | Chief Medical Officer | 91,589 | Sep 11, 2026 | 4 |
| Jackson Benjamin | General Counsel | 159,566 | Sep 11, 2026 | 8 |
| Aerts Austin | Chief Financial Officer | 301,190 | Sep 2, 2026 | 9 |
| Gleason Scott | Chief Financial Officer | 117,924 | Sep 1, 2026 | 1 |
| Phillips Joshua | Director | 81,691 | Jul 14, 2026 | 1 |
| Mirza Mansoor Raza | Director | 81,937 | Jul 14, 2026 | 4 |
| Lawrence Sandra AJ | Director | 41,175 | Jul 14, 2026 | 4 |
| Kamdar Kim P. | Director | 58,420 | Jul 14, 2026 | 2 |
| Critchfield Gregory C | Director | 846,886 | Jul 14, 2026 | 1 |
| Capone Mark Christopher | Director | 44,379 | Jul 14, 2026 | 1 |
| Barlow Jane F | Director | 47,088 | Jul 14, 2026 | 1 |
| Elliott Jeffrey Thomas | Director | 30,534 | Jun 4, 2026 | 1 |
| Harrison Robert Gardner | Chief Information Officer | 76,712 | May 6, 2026 | 11 |
| Boniface John J. | Chief Scientific Officer | 145,842 | May 6, 2026 | 5 |
| Kearney Paul | Chief Data Officer | 163,961 | May 6, 2026 | 7 |
| Trimble Ryan | Director | 22,713 | Jun 30, 2025 | 0 |
| Wilson Marcus Dean | Director | 7,117 | Jun 6, 2025 | 0 |
| Foley Michael R | Chief Medical Officer | 27,000 | Jul 12, 2023 | 0 |
| Altomare Nadia | Chief Commercial Officer | 18,300 | Jun 9, 2023 | 0 |
| Moyes Jay M | Chief Financial Officer | 35,630 | Jun 7, 2023 | 0 |
| Blue Ox Healthcare Partners SP, LLC | 10% Owner | 46,744Indirect | Jul 19, 2022 | 0 |
| BXHCP SP II, LLC | 10% Owner | 46,744Indirect | Jul 19, 2022 | 0 |
| BXHCP SP III, LLC | 10% Owner | 46,744Indirect | Jul 19, 2022 | 0 |
| Blue Ox Healthcare Partners, LLC | 10% Owner | 46,744Indirect | Jul 19, 2022 | 0 |
| Fisher Douglas | Chief Business Officer | – | Mar 31, 2022 | 0 |
| Garite Thomas | VP, Clinical Sciences | – | Sep 9, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 15, 2022 (view filing) | Mar 14 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $3.94 | −$10.7K | −2.7%98.3K after | |
| Mar 23, 2022 (view filing) | Mar 22 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $3.68 | −$10.0K | −2.8%95.6K after | |
| Mar 30, 2022 (view filing) | Mar 29 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $3.73 | −$10.2K | −2.9%92.8K after | |
| Apr 7, 2022 (view filing) | Apr 5-6 | 2 days | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −3.73K | $3.26 | −$12.1K | −4.0%90.1K after | 2 lots |
| Apr 13, 2022 (view filing) | Apr 12 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $2.66 | −$7.25K | −3.0%87.4K after | |
| Apr 20, 2022 (view filing) | Apr 19 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $2.08 | −$5.67K | −3.1%84.7K after | |
| Apr 26, 2022 (view filing) | Apr 26 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $2.17 | −$5.91K | −3.2%81.9K after | |
| May 3, 2022 (view filing) | May 3 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $2.17 | −$5.91K | −3.3%79.2K after | |
| May 4, 2022 (view filing) | May 4 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −1.00K | $2.17 | −$2.17K | −1.2%79.2K after | |
| May 10, 2022 (view filing) | May 10 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.97 | −$5.37K | −3.4%76.5K after | |
| May 17, 2022 (view filing) | May 17 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.55 | −$4.22K | −3.6%73.8K after | |
| May 24, 2022 (view filing) | May 24 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.54 | −$4.20K | −3.7%71.0K after | |
| Jun 1, 2022 (view filing) | May 31-Jun 1 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −3.73K | $1.43 | −$5.31K | −5.2%68.3K after | 2 lots |
| Jun 7, 2022 (view filing) | Jun 7 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.30 | −$3.54K | −4.0%65.6K after | |
| Jun 16, 2022 (view filing) | Jun 14 | 2 days | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.21 | −$3.30K | −4.2%62.9K after | |
| Jun 16, 2022 (view filing) | Jun 14 | 2 days | Jackson BenjaminGeneral Counsel | PPurchaseClass A Common Stock | +8.00K | $1.20 | +$9.60K | New position8.00K after | |
| Jun 21, 2022 (view filing) | Jun 21 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.31 | −$3.57K | −4.3%60.1K after | |
| Jun 29, 2022 (view filing) | Jun 28-29 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −3.73K | $1.84 | −$6.87K | −6.1%57.4K after | 2 lots |
| Jul 5, 2022 (view filing) | Jul 5 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.63 | −$4.44K | −4.7%54.7K after | |
| Jul 13, 2022 (view filing) | Jul 12 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.84 | −$5.01K | −5.0%52.0K after | |
| Jul 19, 2022 (view filing) | Jul 19 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −2.73K | $1.86 | −$5.07K | −5.2%49.2K after | |
| Jul 27, 2022 (view filing) | Jul 26-27 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −3.73K | $2.17 | −$8.08K | −7.4%46.5K after | 2 lots |
| Jun 6, 2023 (view filing) | Jun 5 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −5.00K | $3.23 | −$16.1K | −14.9%28.5K after | |
| Dec 7, 2023 (view filing) | Dec 7 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −5.00K | $4.80 | −$24.0K | −2.5%194.5K after | |
| Dec 7, 2023 (view filing) | Dec 7 | Same day | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −10.0K | $5.22 | −$52.2K | −6.0%157.7K after | |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −9.79K | $8.03 | −$78.6K | −2.9%331.0K after | |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −28.0K | $8.03 | −$224.8K | −2.9%947.0K after | |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −5.67K | $8.03 | −$45.5K | −3.7%147.8K after | |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −4.98K | $8.03 | −$40.0K | −3.0%160.1K after | |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −5.67K | $8.03 | −$45.5K | −2.9%188.8K after | |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −5.67K | $8.03 | −$45.5K | −3.6%152.0K after | |
| Mar 7, 2024 (view filing) | Mar 6 | 1 day | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −1.86K | $9.02 | −$16.7K | −1.2%150.2K after | |
| Mar 7, 2024 (view filing) | Mar 6 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −2.14K | $9.02 | −$19.3K | −1.4%145.7K after | |
| Mar 7, 2024 (view filing) | Mar 6 | 1 day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −1.03K | $9.02 | −$9.27K | −0.6%159.0K after | |
| Mar 7, 2024 (view filing) | Mar 6 | 1 day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −444 | $9.02 | −$4.00K | −0.1%330.6K after | |
| Mar 7, 2024 (view filing) | Mar 6 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −1.66K | $9.02 | −$15.0K | −0.9%187.1K after | |
| Mar 26, 2024 (view filing) | Mar 25 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −22.2K | $9.10 | −$201.7K | −11.8%165.0K after | |
| Mar 26, 2024 (view filing) | Mar 26 | Same day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −21.4K | $9.55 | −$204.7K | −13.0%143.5K after | |
| Mar 26, 2024 (view filing) | Mar 26 | Same day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −8.09K | $9.37 | −$75.8K | −2.4%322.5K after | |
| Mar 26, 2024 (view filing) | Mar 26 | Same day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −38.9K | $9.37 | −$364.5K | −4.1%908.1K after | |
| Mar 28, 2024 (view filing) | Mar 27-28 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −77.1K | $9.44 | −$727.9K | −35.6%139.8K after | 3 lots10b5-1 |
| May 10, 2024 (view filing) | May 8 | 2 days | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −4.90K | $9.59 | −$47.0K | −3.4%140.8K after | |
| May 10, 2024 (view filing) | May 8 | 2 days | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −12.0K | $9.59 | −$115.0K | −1.3%896.1K after | |
| May 10, 2024 (view filing) | May 8 | 2 days | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −6.59K | $9.59 | −$63.2K | −2.0%315.9K after | |
| May 10, 2024 (view filing) | May 8 | 2 days | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −4.90K | $9.59 | −$47.0K | −3.3%145.3K after | |
| May 10, 2024 (view filing) | May 8 | 2 days | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −4.90K | $9.59 | −$47.0K | −3.5%134.9K after | |
| May 10, 2024 (view filing) | May 8 | 2 days | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −4.21K | $9.59 | −$40.3K | −2.6%154.8K after | |
| May 15, 2024 (view filing) | May 15 | Same day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −10.4K | $8.24 | −$85.6K | −5.3%185.3K after | |
| Jun 11, 2024 (view filing) | Jun 10 | 1 day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −5.42K | $8.11 | −$43.9K | −1.7%310.5K after | |
| Jun 11, 2024 (view filing) | Jun 10 | 1 day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −26.9K | $8.11 | −$217.9K | −3.0%869.2K after |