Adaptive Biotechnologies Corp is a company advancing the field of immune-driven medicine by harnessing the inherent biology of the adaptive immune system to transform the diagnosis and treatment of disease. Its clinical diagnostic product, clonoSEQ, is a test authorized by the FDA for the detection and monitoring of minimal residual disease (MRD) in patients with multiple myeloma (MM), B cell acute lymphoblastic leukemia (ALL) and chronic lymphocytic leukemia (CLL) and is also available as a CLIA-validated laboratory developed test (LDT) for patients with other lymphoid cancers. The company has two operating segments: Minimal Residual Disease and Immune Medicine. The company generates the majority of its revenue from the Minimal Residual Disease segment.
https://www.adaptivebiotech.comSEC filings for ADPT on EDGAR
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 31 | 2,239,786 | $50.57M |
| Option exercise | 52 | 2,564,234 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
73 Form 4 filings on record, the earliest from Oct 10, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Harlan S. Robins - Officer | Open-market sale | Common Stock | 34,668 | $18.60 | $645K | |
| Harlan S. Robins - Officer | Open-market sale | Common Stock | 8,120 | $19.00 | $154K | |
| Chad M. Robins - Officer | Open-market sale | Common Stock | 124,998 | $18.44 | $2.30M | |
| Francis Lo - Officer | Option exercise | Common Stock | 36,650 | $7.80 | $286K | |
| Francis Lo - Officer | Option exercise | Common Stock | 7,723 | $12.14 | $94K | |
| Francis Lo - Officer | Option exercise | Common Stock | 21,002 | $8.46 | $178K | |
| Francis Lo - Officer | Option exercise | Common Stock | 14,215 | $3.99 | $57K | |
| Francis Lo - Officer | Open-market sale | Common Stock | 79,590 | $17.73 | $1.41M | |
| Francis Lo - Officer | Option exercise | Stock Option (right to buy) | 36,650 | $0.00 | - | |
| Francis Lo - Officer | Option exercise | Stock Option (right to buy) | 7,723 | $0.00 | - | |
| Francis Lo - Officer | Option exercise | Stock Option (right to buy) | 21,002 | $0.00 | - | |
| Francis Lo - Officer | Option exercise | Stock Option (right to buy) | 14,215 | $0.00 | - | |
| Kyle Piskel - Officer | Option exercise | Common Stock | 4,290 | $12.14 | $52K | |
| Kyle Piskel - Officer | Open-market sale | Common Stock | 4,290 | $18.00 | $77K | |
| Kyle Piskel - Officer | Option exercise | Stock Option (right to buy) | 4,290 | $0.00 | - | |
| Harlan S. Robins - Officer | Open-market sale | Common Stock | 27,212 | $18.61 | $506K | |
| Harlan S. Robins - Officer | Open-market sale | Common Stock | 10,000 | $16.61 | $166K | |
| Kyle Piskel - Officer | Option exercise | Common Stock | 11,980 | $6.55 | $78K | |
| Kyle Piskel - Officer | Option exercise | Common Stock | 3,750 | $7.80 | $29K | |
| Kyle Piskel - Officer | Option exercise | Common Stock | 94,384 | $12.14 | $1.15M | |
| Kyle Piskel - Officer | Open-market sale | Common Stock | 162,820 | $19.50 | $3.17M | |
| Kyle Piskel - Officer | Option exercise | Stock Option (right to buy) | 11,980 | $0.00 | - | |
| Kyle Piskel - Officer | Option exercise | Stock Option (right to buy) | 3,750 | $0.00 | - | |
| Kyle Piskel - Officer | Option exercise | Stock Option (right to buy) | 94,384 | $0.00 | - | |
| Chad M. Robins - Officer | Open-market sale | Common Stock | 35,736 | $19.68 | $703K | |
| Chad M. Robins - Officer | Open-market sale | Common Stock | 124,998 | $18.94 | $2.37M | |
| Sharon Benzeno - Officer | Open-market sale | Common Stock | 308,477 | $16.91 | $5.22M | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 133,032 | $8.46 | $1.13M | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 68,961 | $12.14 | $837K | |
| Sharon Benzeno - Officer | Open-market sale | Common Stock | 297,925 | $16.54 | $4.93M | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 834 | $6.27 | $5K | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 20,834 | $6.55 | $136K | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 49,480 | $6.55 | $324K | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 34,375 | $7.27 | $250K | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 119,809 | $12.14 | $1.45M | |
| Sharon Benzeno - Officer | Option exercise | Common Stock | 83,145 | $3.99 | $332K | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 133,032 | $0.00 | - | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 68,961 | $0.00 | - | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 834 | $0.00 | - | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 20,834 | $0.00 | - | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 49,480 | $0.00 | - | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 34,375 | $0.00 | - | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 119,809 | $0.00 | - | |
| Sharon Benzeno - Officer | Option exercise | Stock Option (right to buy) | 83,145 | $0.00 | - | |
| Kyle Piskel - Officer | Open-market sale | Common Stock | 238 | $14.05 | $3K | |
| Chad M. Robins - Officer | Open-market sale | Common Stock | 1,867 | $15.00 | $28K | |
| Chad M. Robins - Officer | Open-market sale | Common Stock | 86,161 | $14.73 | $1.27M | |
| Chad M. Robins - Officer | Open-market sale | Common Stock | 1,237 | $14.57 | $18K | |
| Harlan S. Robins - Officer | Open-market sale | Common Stock | 10,000 | $14.82 | $148K | |
| Kyle Piskel - Officer | Open-market sale | Common Stock | 248 | $4.98 | $1K | |
| Susan Bobulsky - Officer | Option exercise | Common Stock | 5,000 | $1.98 | $10K | |
| Susan Bobulsky - Officer | Option exercise | Stock Option (right to buy) | 5,000 | $0.00 | - |
This is as far as the anonymous view goes. Create a free account for all 73 ADPT filings on record.
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| KATHERINE E OWEN | Director | 9,615 | $250K | View on EDGAR | |
| Harlan Robins | Former Officer | 402,160 | $10.23M | View on EDGAR | |
| Harlan Robins | Former Officer | 215,632 | $5.50M | View on EDGAR |
Adaptive Biotechnologies Corp (ADPT) had 19 insider filings in the last 90 days, with the most recent on 2026-08-28. The full record for ADPT runs to 73 Form 4 filings, the earliest from 2024-10-10. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of ADPT were filed in the last 90 days.
31 insider sales of ADPT were filed in the last 90 days, totaling $50.57M.
This page tracks ADPT Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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