Harlan S. Robins, Chief Scientific Officer at Adaptive Biotechnologies Corp (ADPT), sold 42,788 shares at $18.60 ($799K) on 2026-02-02, disclosed to the SEC on 2026-02-04.
Open-market sale of $799k 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 | $18.60 | 34,668 | $645K | 80.7% |
| 2 | $19.00 | 8,120 | $154K | 19.3% |
| Total | $18.68 avg | 42,788 | $799K | 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 → |