Sera Prognostics, Inc. (SERA) has 20 known insider and institutional holders on record. The largest holder is Lindgardt Zhenya with 239,442 shares. Other notable holders include Kearney Paul and Boniface John J..
Over the last 12 months, insiders have made 100 transactions in SERA stock — 16 buys (valued at $1.01M) and 77 sells (valued at $842.22K). Insider selling has exceeded buying during this period.
SERA Insider Ownership
Top Holder
Lindgardt Zhenya
239,442 shares
Buys (12 mo)
16
$1.01M value
Sells (12 mo)
77
$842.22K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Lindgardt Zhenya |
Chief Executive Officer |
239,442 |
2026-03-13 |
|
| 2 |
Kearney Paul |
Chief Data Officer |
163,961 |
2026-03-12 |
|
| 3 |
Boniface John J. |
Chief Scientific Officer |
145,842 |
2026-03-12 |
|
| 4 |
Harrison Robert Gardner |
Chief Information Officer |
76,712 |
2026-03-12 |
|
| 5 |
Jackson Benjamin |
General Counsel |
68,550 |
2026-03-13 |
|
| 6 |
Aerts Austin |
Chief Financial Officer |
68,550 |
2026-03-13 |
|
| 7 |
Mirza Mansoor Raza |
Director |
57,740 |
2025-12-05 |
|
| 8 |
Bxhcp Sp Iii, Llc |
Director |
46,744 |
2022-07-19 |
|
| 9 |
Moyes Jay M |
Chief Financial Officer |
35,630 |
2023-03-07 |
|
| 10 |
Elliott Jeffrey Thomas |
Director |
30,534 |
2025-03-21 |
|
| 11 |
Inglis Tiffany Eul Davis |
Chief Medical Officer |
27,034 |
2026-03-13 |
|
| 12 |
Foley Michael R |
Chief Medical Officer |
27,000 |
2023-03-07 |
|
| 13 |
Critchfield Gregory C |
Director |
25,000 |
2025-06-06 |
|
| 14 |
Phillips Joshua |
Director |
25,000 |
2025-06-06 |
|
| 15 |
Kamdar Kim P. |
Director |
25,000 |
2025-06-06 |
|
| 16 |
Trimble Ryan |
Director |
22,713 |
2025-06-06 |
|
| 17 |
Barlow Jane F |
Director |
22,713 |
2025-06-06 |
|
| 18 |
Anderson Dyaarl Lee Jr. |
Chief Commercial Officer |
19,310 |
2026-03-13 |
|
| 19 |
Altomare Nadia |
Chief Commercial Officer |
18,300 |
2023-03-07 |
|
| 20 |
Lawrence Sandra Aj |
Director |
18,033 |
2026-03-06 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-12 |
Inglis Tiffany Eul Davis |
Chief Medical Officer |
RSU Award |
27,034 |
$1.99 |
$53.8K |
| 2026-03-12 |
Anderson Dyaarl Lee Jr. |
Chief Commercial Officer |
RSU Award |
19,310 |
$1.99 |
$38.43K |
| 2026-03-12 |
Aerts Austin |
Chief Financial Officer |
RSU Award |
68,550 |
$1.99 |
$136.41K |
| 2026-03-12 |
Lindgardt Zhenya |
Chief Executive Officer |
RSU Award |
239,442 |
$1.99 |
$476.49K |
| 2026-03-12 |
Jackson Benjamin |
General Counsel |
RSU Award |
68,550 |
$1.99 |
$136.41K |
| 2026-03-11 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
1,019 |
$2.04 |
$2.08K |
| 2026-03-10 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
6,069 |
$1.90 |
$11.53K |
| 2026-03-11 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
2,973 |
$2.04 |
$6.06K |
| 2026-03-10 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
22,639 |
$1.90 |
$43.01K |
| 2026-03-11 |
Kearney Paul |
Chief Data Officer |
Informative Sell |
1,396 |
$2.04 |
$2.85K |
| 2026-03-11 |
Boniface John J. |
Chief Scientific Officer |
Informative Sell |
1,517 |
$2.04 |
$3.09K |
| 2026-03-11 |
Jackson Benjamin |
General Counsel |
Informative Sell |
1,027 |
$2.04 |
$2.1K |
| 2026-03-11 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
716 |
$2.04 |
$1.46K |
| 2026-03-09 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
674 |
$1.96 |
$1.32K |
| 2026-03-09 |
Kearney Paul |
Chief Data Officer |
Informative Sell |
2,026 |
$1.96 |
$3.97K |
| 2026-03-09 |
Boniface John J. |
Chief Scientific Officer |
Informative Sell |
3,038 |
$1.96 |
$5.95K |
| 2026-03-09 |
Jackson Benjamin |
General Counsel |
Informative Sell |
3,119 |
$1.96 |
$6.11K |
| 2026-03-09 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
3,360 |
$1.96 |
$6.59K |
| 2026-03-06 |
Lawrence Sandra Aj |
Director |
Informative Sell |
1,560 |
$1.95 |
$3.04K |
| 2026-02-24 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$2.34 |
$4.68K |
| 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 |
| 2025-12-30 |
Harrison Robert Gardner |
Chief Information Officer |
Informative Sell |
2,000 |
$3.00 |
$6K |
| 2025-12-10 |
Aerts Austin |
Chief Financial Officer |
Informative Sell |
873 |
$3.31 |
$2.89K |
| 2025-12-10 |
Lindgardt Zhenya |
Chief Executive Officer |
Informative Sell |
4,155 |
$3.31 |
$13.75K |
