Through the 90-day period concluding February 19, 2026, Seer's top three insider stakeholders include Ceo And Chair Omid Farokhzad (5.49Mn shares), TenPercentOwner Growth Fund Limited Partnership Amoon (4.92Mn shares), Director Robert Langer (804.52K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Omid Farokhzad | Ceo And Chair | 5,490,587 | 05 Feb, 2026 |
| Growth Fund Limited Partnership Amoon | 4,923,196 | 11 Jun, 2021 | |
| Robert Langer | 804,525 | 09 Jul, 2025 | |
| David R. Horn | President & Cfo | 509,005 | 05 Feb, 2026 |
| Omead Ostadan | President & Coo | 378,238 | 01 Jun, 2022 |
| David Hallal | 355,128 | 14 Jun, 2024 | |
| Terrance Mcguire | 327,136 | 09 Jul, 2025 | |
| Elona Kogan | Chief Legal Officer | 273,142 | 23 Feb, 2024 |
| Mostafa Ronaghi | 224,903 | 16 Jun, 2023 | |
| Cathy Friedman | 173,574 | 16 Jun, 2023 | |
| Meeta Gulyani | 107,543 | 09 Jul, 2025 | |
| Scott D Thomas | Chief Commercial Officer | 95,532 | 19 May, 2023 |
| Rachel E. Haurwitz | 87,615 | 14 Jun, 2024 | |
| Nicolas H Phd Roelofs | 74,996 | 09 Jul, 2025 | |
| Dipchand Nishar | 69,704 | 09 Jul, 2025 | |
| Isaac Ro | 41,000 | 03 Sep, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 03 Feb, 2026 | Omid Farokhzad | Class A Common Stock | A | 697,162 | $0.00 | 3,373,449 | D | A |
| 03 Feb, 2026 | David R. Horn | Class A Common Stock | A | 79,000 | $0.00 | 509,005 | D | A |
| 09 Dec, 2025 | Terrance Mcguire | Class A Common Stock | A | 4,088 | - | 215,070 | I | C |
| 09 Dec, 2025 | Terrance Mcguire | - | - | 215,070 | I | |||
| 09 Dec, 2025 | Omid Farokhzad | Class A Common Stock | A | 2,117,138 | - | 2,117,138 | I | C |
| 09 Dec, 2025 | Omid Farokhzad | - | - | 2,117,138 | I | |||
| 09 Dec, 2025 | Omid Farokhzad | Class A Common Stock | A | 1,438,057 | - | 2,676,287 | D | C |
| 19 Nov, 2025 | Omid Farokhzad | Class A Common Stock | D | 33,838 | $1.97 | 1,238,230 | D | S |
| 19 Nov, 2025 | David R. Horn | Class A Common Stock | D | 6,797 | $1.97 | 436,802 | D | S |
| 02 Sep, 2025 | Isaac Ro | - | - | 41,000 | D | |||
| 02 Sep, 2025 | Isaac Ro | Class A Common Stock | A | 41,000 | $0.00 | 41,000 | D | A |
| 20 Aug, 2025 | Omid Farokhzad | Class A Common Stock | D | 33,992 | $2.04 | 1,272,068 | D | S |
| 20 Aug, 2025 | David R. Horn | Class A Common Stock | D | 6,827 | $2.04 | 436,802 | D | S |
| 07 Jul, 2025 | Terrance Mcguire | Class A Common Stock | A | 20,500 | $0.00 | 112,066 | D | A |
| 07 Jul, 2025 | Robert Langer | Class A Common Stock | A | 20,500 | $0.00 | 804,525 | D | A |
| 07 Jul, 2025 | Nicolas H Phd Roelofs | Class A Common Stock | A | 17,083 | $0.00 | 74,996 | D | A |
| 07 Jul, 2025 | Dipchand Nishar | Class A Common Stock | A | 20,500 | $0.00 | 69,704 | D | A |
| 07 Jul, 2025 | Meeta Gulyani | Class A Common Stock | A | 20,500 | $0.00 | 107,543 | D | A |
| 07 Jul, 2025 | Meeta Gulyani | - | - | 107,543 | D | |||
| 13 Jun, 2025 | Dipchand Nishar | Class A Common Stock | D | 30,253 | $2.08 | 49,204 | D | S |