Chad M. Robins, CEO and Chairman at Adaptive Biotechnologies Corp (ADPT), sold 17,943 shares at $43.00 ($751K) on 2021-04-08, disclosed to the SEC on 2021-04-08.
Open-market sale of $751k 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 | $41.08 | 1,600 | $66K | 8.8% |
| 2 | $42.48 | 2,200 | $93K | 12.4% |
| 3 | $43.08 | 1,200 | $52K | 6.9% |
| 4 | $40.61 | 3,900 | $158K | 21.1% |
| 5 | $41.45 | 1,100 | $46K | 6.1% |
| 6 | $42.04 | 2,943 |
| $124K |
| 16.5% |
| 7 | $42.04 | 2,943 | $124K | 16.5% |
| 8 | $43.00 | 1,957 | $84K | 11.2% |
| 9 | $43.78 | 100 | $4K | 0.6% |
| Total | $41.85 avg | 17,943 | $751K | 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 → |