Seer, Inc. (SEER) has 20 known insider and institutional holders on record. The largest holder is Wittouck Amaury with 5,840,911 shares. Other notable holders include Invus Public Equities, L.P. and Farokhzad Omid.
Over the last 12 months, insiders have made 20 transactions in SEER stock — 8 buys (valued at $1.45M) and 9 sells (valued at $374.46K). Insider selling has exceeded buying during this period.
SEER Insider Ownership
Top Holder
Wittouck Amaury
5,840,911 shares
Buys (12 mo)
8
$1.45M value
Sells (12 mo)
9
$374.46K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Wittouck Amaury |
10 Percent Owner |
5,840,911 |
2021-01-21 |
|
| 2 |
Invus Public Equities, L.p. |
10 Percent Owner |
5,588,366 |
2021-02-03 |
|
| 3 |
Farokhzad Omid |
CEO and Chair |
3,349,064 |
2026-02-19 |
|
| 4 |
Amoon 2 Fund Limited Partnership |
10 Percent Owner |
975,683 |
2020-12-10 |
|
| 5 |
Amoon Growth Fund Limited Partnership |
10 Percent Owner |
810,961 |
2021-06-11 |
|
| 6 |
Horn David R. |
President & CFO |
501,262 |
2026-02-19 |
|
| 7 |
Ostadan Omead |
President & COO |
378,238 |
2022-06-01 |
|
| 8 |
Hallal David |
Director |
355,128 |
2024-06-14 |
|
| 9 |
Kogan Elona Esq. |
Chief Legal Officer |
162,673 |
2023-12-06 |
|
| 10 |
Thomas Scott D |
Chief Commercial Officer |
95,532 |
2023-05-19 |
|
| 11 |
Haurwitz Rachel E. |
Director |
87,615 |
2024-06-14 |
|
| 12 |
Kogan Elona |
Chief Legal Officer |
79,729 |
2024-02-23 |
|
| 13 |
Ro Isaac |
Director |
41,000 |
2025-09-03 |
|
| 14 |
Ronaghi Mostafa |
Director |
34,735 |
2023-06-16 |
|
| 15 |
Friedman Cathy |
Director |
34,735 |
2023-06-16 |
|
| 16 |
Gulyani Meeta |
Director |
30,500 |
2025-07-09 |
|
| 17 |
Nishar Dipchand |
Director |
30,500 |
2025-07-09 |
|
| 18 |
Langer Robert |
Director |
30,500 |
2025-07-09 |
|
| 19 |
Mcguire Terrance |
Director |
30,500 |
2025-07-09 |
|
| 20 |
Roelofs Nicolas H Phd |
Director |
25,416 |
2025-07-09 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-18 |
Horn David R. |
President & CFO |
Informative Sell |
7,743 |
$1.99 |
$15.45K |
| 2026-02-18 |
Farokhzad Omid |
CEO and Chair |
Informative Sell |
24,385 |
$1.99 |
$48.65K |
| 2026-02-03 |
Horn David R. |
President & CFO |
RSU Award |
119,000 |
$1.79 |
$213.01K |
| 2026-02-03 |
Farokhzad Omid |
CEO and Chair |
RSU Award |
512,000 |
$1.79 |
$916.48K |
| 2025-12-09 |
Farokhzad Omid |
CEO and Chair |
Conversion (Sell) |
2,117,138 |
- |
- |
| 2025-12-09 |
Mcguire Terrance |
Director |
Conversion (Sell) |
4,088 |
- |
- |
| 2025-11-19 |
Horn David R. |
President & CFO |
Informative Sell |
6,797 |
$1.97 |
$13.4K |
| 2025-11-19 |
Farokhzad Omid |
CEO and Chair |
Informative Sell |
33,838 |
$1.97 |
$66.71K |
| 2025-09-02 |
Ro Isaac |
Director |
RSU Award |
41,000 |
- |
- |
| 2025-09-02 |
Ro Isaac |
Officer |
Unknown |
- |
- |
- |
| 2025-08-20 |
Horn David R. |
President & CFO |
Informative Sell |
6,827 |
$2.04 |
$13.96K |
| 2025-08-20 |
Farokhzad Omid |
CEO and Chair |
Informative Sell |
33,992 |
$2.04 |
$69.48K |
| 2025-07-07 |
Gulyani Meeta |
Director |
RSU Award |
30,500 |
$2.18 |
$66.49K |
| 2025-07-07 |
Nishar Dipchand |
Director |
RSU Award |
30,500 |
$2.18 |
$66.49K |
| 2025-07-07 |
Roelofs Nicolas H Phd |
Director |
RSU Award |
25,416 |
$2.18 |
$55.41K |
| 2025-07-07 |
Langer Robert |
Director |
RSU Award |
30,500 |
$2.18 |
$66.49K |
| 2025-07-07 |
Mcguire Terrance |
Director |
RSU Award |
30,500 |
$2.18 |
$66.49K |
| 2025-06-13 |
Nishar Dipchand |
Director |
Informative Sell |
30,253 |
$2.08 |
$62.94K |
| 2025-05-20 |
Horn David R. |
President & CFO |
Informative Sell |
6,760 |
$2.08 |
$14.03K |
| 2025-05-20 |
Farokhzad Omid |
CEO and Chair |
Informative Sell |
33,663 |
$2.08 |
$69.85K |
