9 insiders reported 30 Form 4 transactions for Seer, Inc. (SEER) over the past 18 months (most recent 2026-08-19). Recent activity: Horn David R. (PRESIDENT & CFO) Sell 7,309 shares, MCGUIRE TERRANCE (Director) Buy 16,500 shares, LANGER ROBERT (Director) Buy 16,500 shares, Roelofs Nicolas H PHD (Director) Buy 16,500 shares, Nishar Dipchand (Director) Buy 16,500 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Horn David R. | PRESIDENT & CFO | Sell | 7,309 | $14,809 |
| 2026-07-30 | MCGUIRE TERRANCE | Director | Buy | 16,500 | $0 |
| 2026-07-30 | LANGER ROBERT | Director | Buy | 16,500 | $0 |
| 2026-07-30 | Roelofs Nicolas H PHD | Director | Buy | 16,500 | $0 |
| 2026-07-30 | Nishar Dipchand | Director | Buy | 16,500 | $0 |
| 2026-07-30 | Ro Isaac | Director | Buy | 12,375 | $0 |
| 2026-07-30 | Gulyani Meeta | Director | Buy | 16,500 | $0 |
| 2026-07-10 | Nishar Dipchand | Director | Sell | 10,660 | $23,265 |
| 2026-05-21 | Horn David R. | PRESIDENT & CFO | Sell | 7,303 | $12,352 |
| 2026-05-11 | Bazarko Anthony R. | Chief Commercial Officer | Buy | 75,000 | $0 |
| 2026-02-19 | Horn David R. | PRESIDENT & CFO | Sell | 7,743 | $15,409 |
| 2026-02-19 | Farokhzad Omid | CEO AND CHAIR | Sell | 24,385 | $48,526 |
| 2026-02-05 | Farokhzad Omid | CEO AND CHAIR | Buy | 697,162 | $0 |
| 2026-02-05 | Horn David R. | PRESIDENT & CFO | Buy | 79,000 | $0 |
| 2025-12-11 | Farokhzad Omid | CEO AND CHAIR | Buy | 1.4M | $0 |
| 2025-12-11 | Farokhzad Omid | CEO AND CHAIR | Buy | 2.1M | $0 |
| 2025-12-11 | MCGUIRE TERRANCE | Director | Buy | 4,088 | $0 |
| 2025-11-21 | Horn David R. | PRESIDENT & CFO | Sell | 6,797 | $13,390 |
| 2025-11-21 | Farokhzad Omid | CEO AND CHAIR | Sell | 33,838 | $66,661 |
| 2025-09-03 | Ro Isaac | Director | Buy | 41,000 | $0 |
| 2025-08-21 | Horn David R. | PRESIDENT & CFO | Sell | 6,827 | $13,927 |
| 2025-08-21 | Farokhzad Omid | CEO AND CHAIR | Sell | 33,992 | $69,344 |
| 2025-07-09 | Roelofs Nicolas H PHD | Director | Buy | 17,083 | $0 |
| 2025-07-09 | Nishar Dipchand | Director | Buy | 20,500 | $0 |
| 2025-07-09 | MCGUIRE TERRANCE | Director | Buy | 20,500 | $0 |
Source: SEC Form 4 filings · as of 2026-08-19