11 insiders reported 260 Form 4 transactions for Adaptive Biotechnologies Corp (ADPT) over the past 18 months (most recent 2026-09-18). Recent activity: LO FRANCIS (Chief People Officer) Buy 53,091 shares, LO FRANCIS (Chief People Officer) Buy 13,398 shares, LO FRANCIS (Chief People Officer) Buy 15,629 shares, LO FRANCIS (Chief People Officer) Buy 23,442 shares, LO FRANCIS (Chief People Officer) Sell 107,537 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-18 | LO FRANCIS | Chief People Officer | Buy | 53,091 | $644,525 |
| 2026-09-18 | LO FRANCIS | Chief People Officer | Buy | 13,398 | $113,347 |
| 2026-09-18 | LO FRANCIS | Chief People Officer | Buy | 15,629 | $62,360 |
| 2026-09-18 | LO FRANCIS | Chief People Officer | Buy | 23,442 | $190,349 |
| 2026-09-18 | LO FRANCIS | Chief People Officer | Sell | 107,537 | $3.0M |
| 2026-09-18 | LO FRANCIS | Chief People Officer | Sell | 7,869 | $224,817 |
| 2026-09-17 | BOBULSKY SUSAN | Chief Commercial Officer, MRD | Sell | 1,195 | $32,265 |
| 2026-09-02 | OWEN KATEY EINTERZ | Director | Sell | 12,539 | $0 |
| 2026-08-28 | OWEN KATEY EINTERZ | Director | Sell | 9,615 | $249,990 |
| 2026-08-20 | HERSHBERG ROBERT | Director | Buy | 15,000 | $94,800 |
| 2026-08-20 | HERSHBERG ROBERT | Director | Sell | 15,000 | $365,850 |
| 2026-08-20 | HERSHBERG ROBERT | Director | Sell | 15,664 | $382,358 |
| 2026-08-19 | NEUPERT PETER M | Director | Buy | 15,000 | $94,800 |
| 2026-08-19 | ROBINS CHAD M | CEO and Chairman | Buy | 321,324 | $2.1M |
| 2026-08-19 | NEUPERT PETER M | Director | Sell | 15,000 | $378,450 |
| 2026-08-19 | ROBINS CHAD M | CEO and Chairman | Sell | 318,799 | $8.0M |
| 2026-08-19 | NEUPERT PETER M | Director | Sell | 40,000 | $1.0M |
| 2026-08-19 | ROBINS CHAD M | CEO and Chairman | Sell | 2,525 | $64,564 |
| 2026-08-19 | NEUPERT PETER M | Director | Sell | 69,690 | $1.8M |
| 2026-08-19 | ROBINS CHAD M | CEO and Chairman | Buy | 278,676 | $1.8M |
| 2026-08-19 | ROBINS CHAD M | CEO and Chairman | Sell | 278,472 | $6.8M |
| 2026-08-19 | ROBINS CHAD M | CEO and Chairman | Sell | 204 | $5,129 |
| 2026-08-12 | BOBULSKY SUSAN | Chief Commercial Officer, MRD | Sell | 3,000 | $75,000 |
| 2026-08-03 | BOBULSKY SUSAN | Chief Commercial Officer, MRD | Sell | 1,299 | $31,176 |
| 2026-07-23 | ROBINS HARLAN S | Chief Scientific Officer | Buy | 284,800 | $1.9M |
Source: SEC Form 4 filings · as of 2026-09-18