Harlan S. Robins, Chief Scientific Officer at Adaptive Biotechnologies Corp (ADPT), sold 14,900 shares at $33.73 ($502K) on 2021-10-21, disclosed to the SEC on 2021-10-21.
Open-market sale of $502k 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 | $32.91 | 300 | $10K | 2.0% |
| 2 | $33.76 | 3,500 | $118K | 23.5% |
| 3 | $33.71 | 3,700 | $125K | 24.8% |
| 4 | $33.73 | 3,700 | $125K | 24.8% |
| 5 | $33.73 | 3,700 | $125K | 24.8% |
| Total | $33.72 avg | 14,900 |
| $502K |
| 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 → |