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 |
|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 (view filing)4:07 PM ET | Sep 10 | 1 day | Anderson Dyaarl Lee Jr.Chief Commercial Officer | SSaleClass A Common Stock | −1.80K | $2.00 | −$3.60K | −2.3%76.2K after | |
| Sep 11, 2026 (view filing)4:07 PM ET | Sep 10 | 1 day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −7.02K | $2.00 | −$14.0K | −0.8%837.8K after | |
| Sep 11, 2026 (view filing)4:07 PM ET | Sep 10 | 1 day | Inglis Tiffany Eul DavisChief Medical Officer | SSaleClass A Common Stock | −486 | $2.00 | −$972 | −0.5%91.6K after | |
| Sep 11, 2026 (view filing)4:07 PM ET | Sep 10 | 1 day | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −2.19K | $2.00 | −$4.38K | −1.4%159.6K after | |
| Sep 9, 2026 (view filing)4:07 PM ET | Sep 8 | 1 day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −20.1K | $2.00 | −$40.3K | −2.3%844.9K after | |
| Jun 15, 2026 (view filing) | Jun 11 | 4 days | Inglis Tiffany Eul DavisChief Medical Officer | SSaleClass A Common Stock | −362 | $2.01 | −$727.62 | −0.4%92.1K after | |
| Jun 15, 2026 (view filing) | Jun 11 | 4 days | Anderson Dyaarl Lee Jr.Chief Commercial Officer | SSaleClass A Common Stock | −4.74K | $2.01 | −$9.53K | −5.7%78.0K after | |
| Jun 15, 2026 (view filing) | Jun 11 | 4 days | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −2.04K | $2.01 | −$4.09K | −0.7%301.2K after | |
| Jun 15, 2026 (view filing) | Jun 11 | 4 days | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −6.99K | $2.01 | −$14.0K | −0.8%865.0K after | |
| Jun 15, 2026 (view filing) | Jun 11 | 4 days | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −2.18K | $2.01 | −$4.38K | −1.3%161.8K after | |
| Jun 10, 2026 (view filing) | Jun 9 | 1 day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −5.44K | $2.08 | −$11.3K | −1.8%303.2K after | |
| Jun 10, 2026 (view filing) | Jun 9 | 1 day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −20.8K | $2.08 | −$43.2K | −2.3%872.0K after | |
| Jun 9, 2026 (view filing) | Jun 8 | 1 day | Lawrence Sandra AJDirector | SSaleClass A Common Stock | −1.56K | $2.15 | −$3.35K | −8.7%16.5K after | 10b5-1 |
| Mar 12, 2026 (view filing) | Mar 10-11 | 2 days | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −25.6K | $1.92 | −$49.1K | −3.4%738.3K after | 2 lots |
| Mar 12, 2026 (view filing) | Mar 11 | 1 day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −1.40K | $2.04 | −$2.85K | −0.8%164.0K after | |
| Mar 12, 2026 (view filing) | Mar 11 | 1 day | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −1.03K | $2.04 | −$2.10K | −0.9%114.7K after | |
| Mar 12, 2026 (view filing) | Mar 11 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −716 | $2.04 | −$1.46K | −0.9%76.7K after | |
| Mar 12, 2026 (view filing) | Mar 11 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −1.52K | $2.04 | −$3.09K | −1.0%145.8K after | |
| Mar 12, 2026 (view filing) | Mar 10-11 | 2 days | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −7.09K | $1.92 | −$13.6K | −2.6%264.5K after | 2 lots |
| Mar 10, 2026 (view filing) | Mar 9 | 1 day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −2.03K | $1.96 | −$3.97K | −1.2%165.4K after | |
| Mar 10, 2026 (view filing) | Mar 9 | 1 day | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −3.12K | $1.96 | −$6.11K | −2.6%115.7K after | |
| Mar 10, 2026 (view filing) | Mar 9 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −3.36K | $1.96 | −$6.59K | −4.2%77.4K after | |
| Mar 10, 2026 (view filing) | Mar 9 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −3.04K | $1.96 | −$5.95K | −2.0%147.4K after | |
| Mar 10, 2026 (view filing) | Mar 9 | 1 day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −674 | $1.96 | −$1.32K | −0.2%271.5K after | |
| Mar 6, 2026 (view filing) | Mar 6 | Same day | Lawrence Sandra AJDirector | SSaleClass A Common Stock | −1.56K | $1.95 | −$3.04K | −8.0%18.0K after | 10b5-1 |
| Feb 24, 2026 (view filing) | Feb 24 | Same day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −2.00K | $2.34 | −$4.68K | −2.4%80.8K after | 10b5-1 |
| Jan 27, 2026 (view filing) | Jan 27 | Same day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −2.00K | $2.97 | −$5.94K | −2.4%82.8K after | 10b5-1 |
| Dec 30, 2025 (view filing) | Dec 30 | Same day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −2.00K | $3.00 | −$6.00K | −2.3%84.8K after | 10b5-1 |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −4.16K | $3.31 | −$13.8K | −0.5%763.9K after | |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −1.21K | $3.31 | −$4.02K | −0.7%167.4K after | |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −892 | $3.31 | −$2.95K | −0.7%118.9K after | |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −616 | $3.31 | −$2.04K | −0.7%86.8K after | |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −1.33K | $3.31 | −$4.41K | −0.9%150.4K after | |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −873 | $3.31 | −$2.89K | −0.3%272.2K after | |
| Dec 10, 2025 (view filing) | Dec 9 | 1 day | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −28.2K | $3.04 | −$85.8K | −3.5%768.1K after | |
| Dec 10, 2025 (view filing) | Dec 9 | 1 day | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −5.23K | $3.04 | −$15.9K | −1.9%273.1K after | |
| Dec 8, 2025 (view filing) | Dec 8 | Same day | Lawrence Sandra AJDirector | SSaleClass A Common Stock | −1.56K | $3.05 | −$4.76K | −7.4%19.6K after | 10b5-1 |
| Dec 5, 2025 (view filing) | Dec 5 | Same day | Mirza Mansoor RazaDirector | SSaleClass A Common Stock | −292 | $3.05 | −$890.6 | −0.5%57.7K after | |
| Dec 3, 2025 (view filing) | Dec 2 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −2.00K | $2.93 | −$5.86K | −2.2%87.4K after | 10b5-1 |
| Dec 3, 2025 (view filing) | Dec 2 | 1 day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −32.2K | $2.94 | −$94.7K | −16.0%168.6K after | |
| Nov 26, 2025 (view filing) | Nov 26 | Same day | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −1.99K | $3.51 | −$6.97K | −1.2%168.6K after | 10b5-1 |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Lindgardt ZhenyaChief Executive Officer | SSaleClass A Common Stock | −11.6K | $2.62 | −$30.4K | −1.4%796.3K after | |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Kearney PaulChief Data Officer | SSaleClass A Common Stock | −7.07K | $2.62 | −$18.5K | −4.0%168.6K after | |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Jackson BenjaminGeneral Counsel | SSaleClass A Common Stock | −7.06K | $2.62 | −$18.5K | −5.6%119.8K after | |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −6.53K | $2.62 | −$17.1K | −6.8%89.4K after | |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Boniface John J.Chief Scientific Officer | SSaleClass A Common Stock | −7.77K | $2.62 | −$20.3K | −4.9%151.7K after | |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Aerts AustinChief Financial Officer | SSaleClass A Common Stock | −6.35K | $2.62 | −$16.6K | −2.2%278.3K after | |
| Nov 6, 2025 (view filing) | Nov 5 | 1 day | Mirza Mansoor RazaDirector | SSaleClass A Common Stock | −221 | $3.04 | −$671.84 | −0.4%58.0K after | |
| Nov 4, 2025 (view filing) | Nov 4 | Same day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −2.00K | $3.07 | −$6.14K | −2.0%95.9K after | 10b5-1 |
| Oct 8, 2025 (view filing) | Oct 7 | 1 day | Harrison Robert GardnerChief Information Officer | SSaleClass A Common Stock | −2.00K | $3.18 | −$6.36K | −2.0%97.9K after | 10b5-1 |