Horn David R. (CIK 1834217) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-19). Recent activity: Sell SEER (7,309 shares), Buy EDAP (10,000 shares), Sell SEER (7,303 shares), Sell SEER (7,743 shares), Buy SEER (79,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Seer, Inc. (SEER) | PRESIDENT & CFO | Sell | 7,309 | $14,809 |
| 2026-08-17 | EDAP TMS SA (EDAP) | Director | Buy | 10,000 | $47,500 |
| 2026-05-21 | Seer, Inc. (SEER) | PRESIDENT & CFO | Sell | 7,303 | $12,352 |
| 2026-02-19 | Seer, Inc. (SEER) | PRESIDENT & CFO | Sell | 7,743 | $15,409 |
| 2026-02-05 | Seer, Inc. (SEER) | PRESIDENT & CFO | Buy | 79,000 | $0 |
| 2025-11-21 | Seer, Inc. (SEER) | PRESIDENT & CFO | Sell | 6,797 | $13,390 |
| 2025-08-21 | Seer, Inc. (SEER) | PRESIDENT & CFO | Sell | 6,827 | $13,927 |
| 2025-05-22 | Seer, Inc. (SEER) | PRESIDENT & CFO | Sell | 6,760 | $14,061 |
Source: SEC Form 4 filings · as of 2026-08-19