Harlan S. Robins, Chief Scientific Officer at Adaptive Biotechnologies Corp (ADPT), sold 19,397 shares at $37.33 ($729K) on 2021-07-19, disclosed to the SEC on 2021-07-21.
Open-market sale of $729k ADPT by Chief Scientific Officer. 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 | $36.70 | 1,273 | $47K | 6.4% |
| 2 | $37.33 | 2,622 | $98K | 13.4% |
| 3 | $37.33 | 2,622 | $98K | 13.4% |
| 4 | $36.81 | 1,300 | $48K | 6.6% |
| 5 | $37.82 | 2,595 | $98K | 13.5% |
| 6 | $37.82 | 2,595 |
| $98K |
| 13.5% |
| 7 | $37.29 | 1,400 | $52K | 7.2% |
| 8 | $38.11 | 2,495 | $95K | 13.0% |
| 9 | $38.11 | 2,495 | $95K | 13.0% |
| Total | $37.58 avg | 19,397 | $729K | 100% |
| Filing → |
| ADPT | SELL | 2026-06-17 | $1.8M | — | Filing → |
| ADPT | SELL | 2026-04-10 | $149K | — | Filing → |
| ADPT | SELL | 2026-03-13 | $6.2M | — | Filing → |