ROBINS CHAD M (CIK 1780649) reported 28 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-19). Recent activity: Buy ADPT (321,324 shares), Sell ADPT (318,799 shares), Sell ADPT (2,525 shares), Buy ADPT (278,676 shares), Sell ADPT (278,472 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 321,324 | $2.1M |
| 2026-08-19 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 318,799 | $8.0M |
| 2026-08-19 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 2,525 | $64,564 |
| 2026-08-19 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 278,676 | $1.8M |
| 2026-08-19 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 278,472 | $6.8M |
| 2026-08-19 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 204 | $5,129 |
| 2026-04-08 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 83,332 | $1.2M |
| 2026-04-08 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 37,263 | $566,025 |
| 2026-03-13 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 140,567 | $1.9M |
| 2026-03-13 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 329,600 | $4.3M |
| 2026-03-06 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 127,813 | $0 |
| 2026-03-06 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 709,220 | $0 |
| 2026-03-03 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 182,891 | $2.9M |
| 2026-03-03 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 289,024 | $4.6M |
| 2026-03-03 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 50,703 | $785,389 |
| 2026-03-03 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 2,380 | $38,437 |
| 2026-02-04 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 124,998 | $2.3M |
| 2026-01-07 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 124,998 | $1.9M |
| 2025-12-01 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 35,736 | $703,284 |
| 2025-12-01 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 124,998 | $2.4M |
| 2025-11-12 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 86,161 | $1.3M |
| 2025-11-12 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 1,237 | $18,023 |
| 2025-11-12 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 1,867 | $28,005 |
| 2025-03-06 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 355,000 | $0 |
| 2025-03-06 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 81,206 | $566,818 |
Source: SEC Form 4 filings · as of 2026-08-19