Chad M. Robins, CEO and Chairman at Adaptive Biotechnologies Corp (ADPT), sold 86,900 shares at $38.34 ($3.3M) on 2021-09-08, disclosed to the SEC on 2021-09-10.
Open-market sale of $3.3M ADPT by CEO and Chairman. 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 | $38.34 | 11,742 | $450K | 13.5% |
| 2 | $38.34 | 11,742 | $450K | 13.5% |
| 3 | $39.11 | 2,004 | $78K | 2.3% |
| 4 | $39.11 | 2,004 | $78K | 2.3% |
| 5 | $38.42 | 24,753 | $951K | 28.5% |
| 6 | $38.42 | 24,753 |
| $951K |
| 28.5% |
| 7 | $38.37 | 4,902 | $188K | 5.6% |
| 8 | $38.37 | 4,902 | $188K | 5.6% |
| 9 | $39.09 | 98 | $4K | 0.1% |
| Total | $38.43 avg | 86,900 | $3.3M | 100% |
| Filing → |
| ADPT | SELL | 2026-03-13 | $6.2M | — | Filing → |
| ADPT | SELL | 2026-03-03 | $8.3M | — | Filing → |
| ADPT | SELL | 2026-02-04 | $2.3M | — | Filing → |