SEER Insider Transactions
99 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–99; provenance stays internal.
SEER insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Horn David R. | PRESIDENT & CFO | 2026-08-18 | Sale | 7,309 | $2.0262 |
| Nishar Dipchand | Director | 2026-07-08 | Sale | 10,660 | $2.1825 |
| Horn David R. | PRESIDENT & CFO | 2026-05-20 | Sale | 7,303.0 | $1.69 |
| Horn David R. | PRESIDENT & CFO | 2026-02-18 | Sale | 7,743.0 | $1.99 |
| Farokhzad Omid | CEO AND CHAIR | 2026-02-18 | Sale | 24,385.0 | $1.99 |
| Horn David R. | PRESIDENT & CFO | 2025-11-19 | Sale | 6,797.0 | $1.97 |
| Farokhzad Omid | CEO AND CHAIR | 2025-11-19 | Sale | 33,838.0 | $1.97 |
| Horn David R. | PRESIDENT & CFO | 2025-08-20 | Sale | 6,827.0 | $2.04 |
| Farokhzad Omid | CEO AND CHAIR | 2025-08-20 | Sale | 33,992.0 | $2.04 |
| Nishar Dipchand | Director | 2025-06-13 | Sale | 30,253.0 | $2.08 |
| Horn David R. | PRESIDENT & CFO | 2025-05-20 | Sale | 6,760.0 | $2.08 |
| Farokhzad Omid | CEO AND CHAIR | 2025-05-20 | Sale | 33,663.0 | $2.08 |
| Horn David R. | PRESIDENT & CFO | 2025-02-04 | Sale | 3,550.0 | $2.24 |
| Farokhzad Omid | CEO AND CHAIR | 2025-02-04 | Sale | 8,068.0 | $2.24 |
| Nishar Dipchand | Director | 2024-06-14 | Sale | 12,109.0 | $1.78 |
| Farokhzad Omid | CEO AND CHAIR | 2024-03-07 | Sale | 52,857.0 | $2.03 |
| Kogan Elona | CHIEF LEGAL OFFICER | 2024-02-22 | Sale | 12,684.0 | $1.58 |
| Horn David R. | PRESIDENT & CFO | 2024-02-22 | Sale | 12,684.0 | $1.58 |
| Horn David R. | President and CFO | 2024-02-05 | Sale | 3,608.0 | $1.67 |
| Kogan Elona Esq. | Chief Legal Officer | 2023-12-04 | Sale | 8,182.0 | $1.7 |
| Farokhzad Omid | CEO, President and Chair | 2023-08-23 | Purchase | 40,000.0 | $2.45 |
| Thomas Scott D | Chief Commercial Officer | 2023-05-18 | Sale | 1,468.0 | $3.56 |
| Kogan Elona Esq. | General Counsel and Secretary | 2023-02-21 | Sale | 5,951.0 | $4.13 |
| Horn David R. | Chief Financial Officer | 2023-02-21 | Sale | 5,951.0 | $4.13 |
| Farokhzad Omid | CEO, President and Chair | 2023-02-21 | Sale | 13,840.0 | $4.13 |
| Horn David R. | Chief Financial Officer | 2023-02-07 | Sale | 3,124.0 | $5.4 |
| Farokhzad Omid | CEO, President and Chair | 2023-02-07 | Sale | 8,379.0 | $4.67 |
| Farokhzad Omid | CEO, President and Chair | 2023-01-17 | Sale | 4,800.0 | $5.12 |
| Horn David R. | Chief Financial Officer | 2023-01-17 | Sale | 2,602.0 | $5.12 |
| Farokhzad Omid | CEO, President and Chair | 2023-01-17 | Sale | 4,800.0 | $5.12 |
| Horn David R. | Chief Financial Officer | 2022-12-08 | Sale | 18,884.0 | $6.57 |
| Kogan Elona Esq. | General Counsel and Secretary | 2022-06-08 | Sale | 8,185.0 | $8.91 |
| OSTADAN OMEAD | President & COO | 2022-05-27 | Sale | 4,441.0 | $8.06 |
| OSTADAN OMEAD | President & COO | 2022-04-20 | Sale | 52,042.0 | $10.18 |
| Horn David R. | Chief Financial Officer | 2022-02-02 | Sale | 2,944.0 | $17.4 |
| Horn David R. | Chief Financial Officer | 2022-01-03 | Sale | 2,308.0 | $22.81 |
| OSTADAN OMEAD | President & COO | 2021-12-15 | Sale | 5,373.0 | $24.16 |
| OSTADAN OMEAD | President & COO | 2021-12-15 | Sale | 5,407.0 | $23.34 |
| OSTADAN OMEAD | President & COO | 2021-12-15 | Sale | 9,220.0 | $22.33 |
| Horn David R. | Chief Financial Officer | 2021-12-06 | Sale | 26,273.0 | $20.26 |
| OSTADAN OMEAD | President & COO | 2021-11-15 | Sale | 2,800.0 | $31.13 |
| OSTADAN OMEAD | President & COO | 2021-11-15 | Sale | 17,200.0 | $30.39 |
| Horn David R. | Chief Financial Officer | 2021-11-01 | Sale | 3,888.0 | $38.28 |
| Horn David R. | Chief Financial Officer | 2021-11-01 | Sale | 6,112.0 | $37.46 |
| OSTADAN OMEAD | President & COO | 2021-10-15 | Sale | 11,396.0 | $33.13 |
| OSTADAN OMEAD | President & COO | 2021-10-15 | Sale | 8,604.0 | $32.74 |
| Horn David R. | Chief Financial Officer | 2021-10-01 | Sale | 5,036.0 | $34.27 |
| Horn David R. | Chief Financial Officer | 2021-10-01 | Sale | 4,964.0 | $33.42 |
| OSTADAN OMEAD | President & COO | 2021-09-15 | Sale | 2,259.0 | $41.84 |
| OSTADAN OMEAD | President & COO | 2021-09-15 | Sale | 12,620.0 | $41.03 |
| OSTADAN OMEAD | President & COO | 2021-09-15 | Sale | 5,121.0 | $40.29 |
| Horn David R. | Chief Financial Officer | 2021-09-01 | Sale | 701.0 | $39.99 |
| Horn David R. | Chief Financial Officer | 2021-09-01 | Sale | 9,299.0 | $39.54 |
| Horn David R. | Chief Financial Officer | 2021-08-02 | Sale | 2,097.0 | $31.52 |
| Horn David R. | Chief Financial Officer | 2021-08-02 | Sale | 7,903.0 | $31.11 |
| Horn David R. | Chief Financial Officer | 2021-07-01 | Sale | 2,511.0 | $32.63 |
| Horn David R. | Chief Financial Officer | 2021-07-01 | Sale | 2,500.0 | $31.63 |
| Horn David R. | Chief Financial Officer | 2021-07-01 | Sale | 4,989.0 | $30.51 |
| aMoon Growth Fund Limited Partnership | TenPercentOwner | 2021-06-09 | Sale | 164,722.0 | $30.0 |
| Schindel Yair Chaim | Other | 2021-06-09 | Sale | 164,722.0 | $30.0 |
| aMoon Growth Fund Limited Partnership | TenPercentOwner | 2021-06-09 | Sale | 835,278.0 | $30.0 |
| Schindel Yair Chaim | Other | 2021-06-09 | Sale | 835,278.0 | $30.0 |
| Horn David R. | Chief Financial Officer | 2021-06-02 | Sale | 10,000.0 | $30.1 |
| Farokhzad Omid | CEO and Chair of the Board | 2021-02-17 | Sale | 135,611.0 | $64.15 |
| Farokhzad Omid | CEO and Chair of the Board | 2021-02-17 | Sale | 219,130.0 | $64.15 |
| Farokhzad Omid | CEO and Chair of the Board | 2021-02-01 | Sale | 416,409.0 | $64.15 |
| Farokhzad Omid | CEO and Chair of the Board | 2021-02-01 | Sale | 359,501.0 | $64.15 |
| Farokhzad Omid | CEO and Chair of the Board | 2021-02-01 | Sale | 313,369.0 | $64.15 |
| Artal Group S.A. | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Artal International S.C.A. | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Westend S.A. | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Invus Public Equities Advisors, LLC | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Invus Public Equities, L.P. | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Stichting Administratiekantoor Westend | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Artal International Management S.A. | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Artal Treasury Ltd | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| Wittouck Amaury | TenPercentOwner | 2021-02-01 | Sale | 252,545.0 | $64.15 |
| aMoon 2 Fund Limited Partnership | TenPercentOwner | 2020-12-09 | Purchase | 63,024.0 | $19.0 |
| Schindel Yair Chaim | TenPercentOwner | 2020-12-09 | Purchase | 63,024.0 | $19.0 |
| aMoon 2 Fund Limited Partnership | TenPercentOwner | 2020-12-09 | Purchase | 726,449.0 | $19.0 |
| Schindel Yair Chaim | TenPercentOwner | 2020-12-09 | Purchase | 726,449.0 | $19.0 |
| AINSLIE LEE S III | TenPercentOwner | 2020-12-08 | Purchase | 22,620.0 | $19.0 |
| AINSLIE LEE S III | TenPercentOwner | 2020-12-08 | Purchase | 21,310.0 | $19.0 |
| AINSLIE LEE S III | TenPercentOwner | 2020-12-08 | Purchase | 12,190.0 | $19.0 |
| AINSLIE LEE S III | TenPercentOwner | 2020-12-08 | Purchase | 19,230.0 | $19.0 |
| AINSLIE LEE S III | TenPercentOwner | 2020-12-08 | Purchase | 18,030.0 | $19.0 |
| Farokhzad Omid | CEO and Chair of the Board | 2020-12-08 | Sale | 526,315.0 | $19.0 |
| Artal Group S.A. | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Artal International S.C.A. | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Westend S.A. | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Invus Public Equities Advisors, LLC | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Invus Public Equities, L.P. | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Minne Pascal | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Stichting Administratiekantoor Westend | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Artal International Management S.A. | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| Artal Treasury Ltd | TenPercentOwner | 2020-12-08 | Purchase | 790,000.0 | $19.0 |
| aMoon 2 Fund Limited Partnership | TenPercentOwner | 2020-12-08 | Purchase | 100,000.0 | $19.0 |
| Schindel Yair Chaim | TenPercentOwner | 2020-12-08 | Purchase | 100,000.0 | $19.0 |
| MCGUIRE TERRANCE | Director | 2020-12-08 | Purchase | 78,947.0 | $19.0 |