Chad M. Robins, CEO and Chairman at Adaptive Biotechnologies Corp (ADPT), sold 45,025 shares at $58.79 ($2.7M) on 2021-01-27, disclosed to the SEC on 2021-01-28.
Open-market sale of $2.7M ADPT by CEO and Chairman. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $62.51 | 3,850 | $241K | 8.9% |
| 2 | $62.51 | 3,850 | $241K | 8.9% |
| 3 | $63.63 | 2,524 | $161K | 5.9% |
| 4 | $63.63 | 2,524 | $161K | 5.9% |
| 5 | $64.52 | 3,526 | $227K | 8.4% |
| 6 | $64.52 | 3,526 |
| $227K |
| 8.4% |
| 7 | $65.23 | 100 | $7K | 0.2% |
| 8 | $54.63 | 1,879 | $103K | 3.8% |
| 9 | $54.63 | 1,879 | $103K | 3.8% |
| 10 | $56.26 | 1,000 | $56K | 2.1% |
| 11 | $57.71 | 2,000 | $115K | 4.3% |
| 12 | $58.79 | 3,246 | $191K | 7.1% |
| 13 | $58.79 | 3,246 | $191K | 7.1% |
| 14 | $59.72 | 1,875 | $112K | 4.1% |
| 15 | $55.01 | 600 | $33K | 1.2% |
| 16 | $55.94 | 2,800 | $157K | 5.8% |
| 17 | $57.32 | 4,300 | $246K | 9.1% |
| 18 | $57.83 | 2,300 | $133K | 4.9% |
| Total | $60.05 avg | 45,025 | $2.7M | 100% |
| Filing → |
| ADPT | SELL | 2026-03-13 | $6.2M | — | Filing → |
| ADPT | SELL | 2026-03-03 | $8.3M | — | Filing → |
| ADPT | SELL | 2026-02-04 | $2.3M | — | Filing → |