Chad M. Robins, CEO and Chairman at Adaptive Biotechnologies Corp (ADPT), sold 22,726 shares at $41.90 ($975K) on 2021-03-18, disclosed to the SEC on 2021-03-19.
Open-market sale of $975k 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 | $43.22 | 1,901 | $82K | 8.4% |
| 2 | $43.22 | 1,901 | $82K | 8.4% |
| 3 | $44.03 | 1,295 | $57K | 5.8% |
| 4 | $44.03 | 1,295 | $57K | 5.8% |
| 5 | $45.25 | 1,804 | $82K | 8.4% |
| 6 | $41.90 | 1,926 |
| $81K |
| 8.3% |
| 7 | $41.90 | 1,926 | $81K | 8.3% |
| 8 | $42.81 | 2,604 | $111K | 11.4% |
| 9 | $42.81 | 2,604 | $111K | 11.4% |
| 10 | $43.78 | 470 | $21K | 2.1% |
| 11 | $41.96 | 4,900 | $206K | 21.1% |
| 12 | $42.48 | 100 | $4K | 0.4% |
| Total | $42.89 avg | 22,726 | $975K | 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 → |