ROBINS CHAD M (CIK 1780649) reported 32 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-08). Recent activity: Sell ADPT (83,332 shares), Sell ADPT (37,263 shares), Sell ADPT (140,567 shares), Sell ADPT (329,600 shares), Buy ADPT (127,813 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| 2025-03-06 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 36,145 | $252,654 |
| 2025-03-06 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 247,117 | $0 |
| 2025-03-06 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 102,218 | $780,946 |
| 2025-02-21 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 186,080 | $1.2M |
| 2025-02-21 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Sell | 186,080 | $1.6M |
| 2025-02-21 | Adaptive Biotechnologies Corp (ADPT) | CEO and Chairman | Buy | 99,107 | $626,356 |
Source: SEC Form 4 filings · as of 2026-04-08