Harlan S. Robins, Chief Scientific Officer at Adaptive Biotechnologies Corp (ADPT), sold 20,470 shares at $37.39 ($755K) on 2021-09-13, disclosed to the SEC on 2021-09-15.
Open-market sale of $755k 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 | $37.39 | 2,995 | $112K | 14.8% |
| 2 | $37.39 | 2,995 | $112K | 14.8% |
| 3 | $37.89 | 900 | $34K | 4.5% |
| 4 | $36.49 | 2,795 | $102K | 13.5% |
| 5 | $36.49 | 2,795 | $102K | 13.5% |
| 6 | $37.36 | 1,100 |
| $41K |
| 5.4% |
| 7 | $36.52 | 2,995 | $109K | 14.5% |
| 8 | $36.52 | 2,995 | $109K | 14.5% |
| 9 | $37.23 | 900 | $34K | 4.4% |
| Total | $36.90 avg | 20,470 | $755K | 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 → |