Harlan S. Robins, Chief Scientific Officer at Adaptive Biotechnologies Corp (ADPT), sold 23,170 shares at $32.27 ($764K) on 2021-10-06, disclosed to the SEC on 2021-10-08.
Open-market sale of $764k 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 | $32.27 | 3,895 | $126K | 16.5% |
| 2 | $32.27 | 3,895 | $126K | 16.5% |
| 3 | $32.50 | 200 | $7K | 0.9% |
| 4 | $33.68 | 3,695 | $124K | 16.3% |
| 5 | $33.68 | 3,695 | $124K | 16.3% |
| 6 | $32.96 | 3,895 |
| $128K |
| 16.8% |
| 7 | $32.96 | 3,895 | $128K | 16.8% |
| Total | $32.95 avg | 23,170 | $764K | 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 → |