There have been 50 recent insider transactions recorded for Sera Prognostics, Inc. (SERA), including 6 buys and 43 sells. Total insider buying was valued at $841.54K and total insider selling at $454.75K.
Notable insiders with recent activity include Jackson Benjamin, Lindgardt Zhenya, Aerts Austin. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — SERA
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-12 |
Jackson Benjamin |
General Counsel |
RSU Award |
68,550 |
$1.99 |
$136.41K |
68,550 |
| 2026-03-12 |
Lindgardt Zhenya |
Chief Executive Officer |
RSU Award |
239,442 |
$1.99 |
$476.49K |
239,442 |
| 2026-03-12 |
Aerts Austin |
Chief Financial Officer |
RSU Award |
68,550 |
$1.99 |
$136.41K |
68,550 |
| 2026-03-12 |
Anderson Dyaarl Lee Jr. |
Chief Commercial Officer |
RSU Award |
19,310 |
$1.99 |
$38.43K |
19,310 |
| 2026-03-12 |
Inglis Tiffany Eul Davis |
Chief Medical Officer |
RSU Award |
27,034 |
$1.99 |
$53.8K |
27,034 |
| 2026-03-11 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
716 |
$2.04 |
$1.46K |
76,712 |
| 2026-03-11 |
Jackson Benjamin |
General Counsel |
Informative Sell |
1,027 |
$2.04 |
$2.1K |
114,720 |
| 2026-03-11 |
Boniface John J. |
Chief Scientific Officer |
Informative Sell |
1,517 |
$2.04 |
$3.09K |
145,842 |
| 2026-03-11 |
Kearney Paul |
Chief Data Officer |
Informative Sell |
1,396 |
$2.04 |
$2.85K |
163,961 |
| 2026-03-11 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
2,973 |
$2.04 |
$6.06K |
738,314 |
| 2026-03-11 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
1,019 |
$2.04 |
$2.08K |
264,452 |
| 2026-03-10 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
22,639 |
$1.90 |
$43.01K |
741,287 |
| 2026-03-10 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
6,069 |
$1.90 |
$11.53K |
265,471 |
| 2026-03-09 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
3,360 |
$1.96 |
$6.59K |
77,428 |
| 2026-03-09 |
Jackson Benjamin |
General Counsel |
Informative Sell |
3,119 |
$1.96 |
$6.11K |
115,747 |
| 2026-03-09 |
Boniface John J. |
Chief Scientific Officer |
Informative Sell |
3,038 |
$1.96 |
$5.95K |
147,359 |
| 2026-03-09 |
Kearney Paul |
Chief Data Officer |
Informative Sell |
2,026 |
$1.96 |
$3.97K |
165,357 |
| 2026-03-09 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
674 |
$1.96 |
$1.32K |
271,540 |
| 2026-03-06 |
Lawrence Sandra Aj |
Director |
Informative Sell |
1,560 |
$1.95 |
$3.04K |
18,033 |
| 2026-02-24 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$2.34 |
$4.68K |
80,788 |
| 2026-02-04 |
Kamdar Kim P. |
Director |
Other (Sell) |
30,920 |
- |
- |
- |
| 2026-01-27 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$2.97 |
$5.94K |
82,788 |
| 2025-12-30 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$3.00 |
$6K |
84,788 |
| 2025-12-10 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
616 |
$3.31 |
$2.04K |
86,788 |
| 2025-12-10 |
Jackson Benjamin |
General Counsel |
Informative Sell |
892 |
$3.31 |
$2.95K |
118,866 |
| 2025-12-10 |
Boniface John J. |
Chief Scientific Officer |
Informative Sell |
1,332 |
$3.31 |
$4.41K |
150,397 |
| 2025-12-10 |
Kearney Paul |
Chief Data Officer |
Informative Sell |
1,213 |
$3.31 |
$4.02K |
167,383 |
| 2025-12-10 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
4,155 |
$3.31 |
$13.75K |
763,926 |
| 2025-12-10 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
873 |
$3.31 |
$2.89K |
272,214 |
| 2025-12-09 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
28,215 |
$3.04 |
$85.77K |
768,081 |
| 2025-12-09 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
5,232 |
$3.04 |
$15.91K |
273,087 |
| 2025-12-08 |
Lawrence Sandra Aj |
Director |
Informative Sell |
1,560 |
$3.05 |
$4.76K |
19,593 |
| 2025-12-05 |
Mirza Mansoor Raza |
Director |
Informative Sell |
292 |
$3.05 |
$890.60 |
57,740 |
| 2025-12-02 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$2.93 |
$5.86K |
87,404 |
| 2025-12-02 |
Kearney Paul |
Chief Data Officer |
Option Exercise (Sell) |
32,203 |
$1.62 |
$52.17K |
- |
| 2025-11-26 |
Kearney Paul |
Chief Data Officer |
Option Exercise (Sell) |
1,986 |
$1.62 |
$3.22K |
32,203 |
| 2025-11-10 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
6,528 |
$2.62 |
$17.1K |
89,404 |
| 2025-11-10 |
Jackson Benjamin |
General Counsel |
Informative Sell |
7,059 |
$2.62 |
$18.49K |
119,758 |
| 2025-11-10 |
Boniface John J. |
Chief Scientific Officer |
Informative Sell |
7,767 |
$2.62 |
$20.35K |
151,726 |
| 2025-11-10 |
Kearney Paul |
Chief Data Officer |
Informative Sell |
7,073 |
$2.62 |
$18.53K |
168,596 |
| 2025-11-10 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
11,594 |
$2.62 |
$30.38K |
796,296 |
| 2025-11-10 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
6,351 |
$2.62 |
$16.64K |
278,319 |
| 2025-11-05 |
Mirza Mansoor Raza |
Director |
Informative Sell |
221 |
$3.04 |
$671.84 |
58,032 |
| 2025-11-04 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$3.07 |
$6.14K |
95,932 |
| 2025-10-15 |
Inglis Tiffany Eul Davis |
Chief Medical Officer |
RSU Award |
75,000 |
- |
- |
75,000 |
| 2025-10-07 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$3.18 |
$6.36K |
97,932 |
| 2025-10-06 |
Mirza Mansoor Raza |
Director |
Informative Sell |
227 |
$3.16 |
$717.32 |
58,253 |
| 2025-10-01 |
Inglis Tiffany Eul Davis |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-09-11 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
645 |
$3.13 |
$2.02K |
99,932 |
| 2025-09-11 |
Jackson Benjamin |
General Counsel |
Informative Sell |
934 |
$3.13 |
$2.92K |
126,817 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
