Company · CIK 0001478320 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq
Adaptive Biotechnologies Corp · ADPT
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 SForm 4 → | Sep 18, 8:17 pm EDT | Francis LoChief People Officer | 115,406 | $28.06 | $3,238,004 | 220,867 | −34.3% | 10b5-1 |
| Sep 16, 2026 MForm 4 → | Sep 18, 8:17 pm EDT | Francis LoChief People Officer | 105,560 | $9.57 | $1,010,581 | 336,273 | — | 10b5-1 |
| Sep 15, 2026 SForm 4 → | Sep 17, 6:50 pm EDT | Susan BobulskyChief Commercial Officer, MRD | 1,195 | $27.00 | $32,265 | 395,794 | −0.30% | 10b5-1 |
| Aug 31, 2026 GForm 4 → | Sep 2, 7:12 pm EDT | Katey Einterz OwenDirector | 12,539 | — | — | 66,100 | — | |
| Aug 26, 2026 SForm 4 → | Aug 28, 5:50 pm EDT | Katey Einterz OwenDirector | 9,615 | $26.00 | $249,990 | 78,639 | −10.9% | |
| Aug 18, 2026 SForm 4 → | Aug 20, 5:55 pm EDT | Robert HershbergDirector | 30,664 | $24.40 | $748,208 | 46,683 | −39.6% | |
| Aug 18, 2026 MForm 4 → | Aug 20, 5:55 pm EDT | Robert HershbergDirector | 15,000 | $6.32 | $94,800 | 77,347 | — | |
| Aug 17, 2026 SForm 4 → | Aug 19, 8:15 pm EDT | Chad M RobinsCEO and Chairman, Director | 600,000 | $24.80 | $14,882,166 | 2,180,518 | −21.6% | |
| Aug 17, 2026 MForm 4 → | Aug 19, 8:15 pm EDT | Chad M RobinsCEO and Chairman, Director | 600,000 | $6.55 | $3,930,000 | 2,459,194 | — | |
| Aug 17, 2026 SForm 4 → | Aug 19, 8:07 pm EDT | Peter M NeupertDirector | 124,690 | $25.15 | $3,135,850 | 130,625 | −48.8% | |
| Aug 17, 2026 MForm 4 → | Aug 19, 8:07 pm EDT | Peter M NeupertDirector | 15,000 | $6.32 | $94,800 | 255,315 | — | |
| Aug 10, 2026 SForm 4 → | Aug 12, 7:33 pm EDT | Susan BobulskyChief Commercial Officer, MRD | 3,000 | $25.00 | $75,000 | 396,989 | −0.75% | 10b5-1 |
| Jul 30, 2026 SForm 4 → | Aug 3, 6:26 pm EDT | Susan BobulskyChief Commercial Officer, MRD | 1,299 | $24.00 | $31,176 | 399,989 | −0.32% | 10b5-1 |
| Jul 21, 2026 SForm 4 → | Jul 23, 7:34 pm EDT | Harlan S RobinsChief Scientific Officer | 492,400 | $21.89 | $10,780,409 | 812,058 | −37.7% | 10b5-1 |
| Jul 21, 2026 MForm 4 → | Jul 23, 7:34 pm EDT | Harlan S RobinsChief Scientific Officer | 284,800 | $6.55 | $1,865,440 | 1,304,458 | — | 10b5-1 |
| Jul 16, 2026 SForm 4 → | Jul 20, 7:19 pm EDT | Susan BobulskyChief Commercial Officer, MRD | 5,000 | $23.00 | $115,000 | 401,288 | −1.23% | 10b5-1 |
| Jul 15, 2026 SForm 4 → | Jul 17, 7:23 pm EDT | Francis LoChief People Officer | 105,762 | $22.59 | $2,389,164 | 230,713 | −31.4% | 10b5-1 |
| Jul 15, 2026 MForm 4 → | Jul 17, 7:23 pm EDT | Francis LoChief People Officer | 105,762 | $8.91 | $942,691 | 336,475 | — | 10b5-1 |
| Jul 2, 2026 SForm 4 → | Jul 7, 6:52 pm EDT | Harlan S RobinsChief Scientific Officer | 386,240 | $22.01 | $8,501,149 | 1,019,658 | −27.5% | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 6, 7:19 pm EDT | Francis LoChief People Officer | 95,842 | $22.51 | $2,157,683 | 230,713 | −29.3% | 10b5-1 |
| Jul 1, 2026 MForm 4 → | Jul 6, 7:19 pm EDT | Francis LoChief People Officer | 75,621 | $8.75 | $661,885 | 275,551 | — | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 6, 7:15 pm EDT | Susan BobulskyChief Commercial Officer, MRD | 487 | $22.00 | $10,714 | 406,288 | −0.12% | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 MForm 4 → | Sep 18, 8:17 pm EDT | Francis LoChief People Officer | 105,560 | — | — | 103,142 | — | 10b5-1 |
| Aug 18, 2026 MForm 4 → | Aug 20, 5:55 pm EDT | Robert HershbergDirector | 15,000 | — | — | 0 | — | |
| Aug 17, 2026 MForm 4 → | Aug 19, 8:15 pm EDT | Chad M RobinsCEO and Chairman, Director | 600,000 | — | — | 0 | — | |
| Aug 17, 2026 MForm 4 → | Aug 19, 8:07 pm EDT | Peter M NeupertDirector | 15,000 | — | — | 0 | — | |
| Jul 21, 2026 MForm 4 → | Jul 23, 7:34 pm EDT | Harlan S RobinsChief Scientific Officer | 284,800 | — | — | 0 | — | 10b5-1 |
| Jul 15, 2026 MForm 4 → | Jul 17, 7:23 pm EDT | Francis LoChief People Officer | 105,762 | — | — | 37,511 | — | 10b5-1 |
| Jul 1, 2026 MForm 4 → | Jul 6, 7:19 pm EDT | Francis LoChief People Officer | 75,621 | — | — | 60,222 | — | 10b5-1 |