Harlan S. Robins, Chief Scientific Officer at Adaptive Biotechnologies Corp (ADPT), sold 22,409 shares at $33.89 ($768K) on 2021-08-26, disclosed to the SEC on 2021-08-27.
Open-market sale of $768k 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 | $34.09 | 3,895 | $133K | 17.3% |
| 2 | $34.09 | 3,895 | $133K | 17.3% |
| 3 | $33.89 | 3,895 | $132K | 17.2% |
| 4 | $33.89 | 3,895 | $132K | 17.2% |
| 5 | $34.18 | 961 | $33K | 4.3% |
| 6 | $34.97 | 2,934 |
| $103K |
| 13.4% |
| 7 | $34.97 | 2,934 | $103K | 13.4% |
| Total | $34.25 avg | 22,409 | $768K | 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 → |