Adaptive Biotechnologies Corp insider trading
ADPT$28.35+0.98 (+3.58% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+99.1%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- CMChad M. Robins1.3663%
- HSHarlan S. Robins0.5088%
- SBSusan Bobulsky0.248%
- JRJulie Rubinstein0.2367%
- KPKyle Piskel0.1609%
- FLFrancis Lo0.14%
- SBSharon Benzeno0.1386%
- PMPeter M. Neupert0.0818%
- MJMichael J. Pellini0.0437%
- KEKatey Einterz Owen0.0414%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| ADPT | Susan Bobulsky | Open market sell$32.3K | -0.3% | $27.00 | $32.3K | Sep 15, 2026 | Sep 17, 2026 |
| ADPT | Katey Einterz Owen | Open market sell$250K | -10.9% | $26.00 | $250K | Aug 26, 2026 | Aug 28, 2026 |
| ADPT | Susan Bobulsky | Open market sell$75K | -0.8% | $25.00 | $75K | Aug 10, 2026 | Aug 12, 2026 |
| ADPT | Susan Bobulsky | Open market sell$31.2K | -0.3% | $24.00 | $31.2K | Jul 30, 2026 | Aug 3, 2026 |
| ADPT | Susan Bobulsky | Open market sell$115K | -1.2% | $23.00 | $115K | Jul 16, 2026 | Jul 20, 2026 |
| ADPT | Harlan S. Robins | Open market sell$3.3M | -12.6% | $22.45 | $3.3M | Jul 2, 2026 | Jul 7, 2026 |
| ADPT | Harlan S. Robins | Open market sell$5.2M | -17.0% | $21.74 | $5.2M | Jul 2, 2026 | Jul 7, 2026 |
| ADPT | Susan Bobulsky | Open market sell$10.7K | -0.1% | $22.00 | $10.7K | Jul 1, 2026 | Jul 6, 2026 |
| ADPT | Susan Bobulsky | Open market sell$103K | -1.2% | $20.50 | $103K | Jun 25, 2026 | Jun 29, 2026 |
| ADPT | Harlan S. Robins | Open market sell$111K | -0.4% | $18.01 | $111K | Jun 16, 2026 | Jun 17, 2026 |
| ADPT | Harlan S. Robins | Open market sell$1.74M | -6.6% | $17.37 | $1.74M | Jun 15, 2026 | Jun 17, 2026 |
| ADPT | Susan Bobulsky | Open market sell$95K | -1.2% | $19.00 | $95K | Jun 11, 2026 | Jun 15, 2026 |
| ADPT | Susan Bobulsky | Open market sell$198K | -2.6% | $18.00 | $198K | Jun 4, 2026 | Jun 8, 2026 |
| ADPT | Kyle Piskel | Open market sell$40.6K | -1.2% | $13.04 | $40.6K | May 18, 2026 | May 20, 2026 |
| ADPT | Harlan S. Robins | Open market sell$149K | -0.7% | $14.85 | $149K | Apr 8, 2026 | Apr 10, 2026 |
| ADPT | Chad M. Robins | Open market sell$566K | -1.7% | $15.19 | $566K | Apr 8, 2026 | Apr 8, 2026 |
| ADPT | Chad M. Robins | Open market sell$1.2M | -3.6% | $14.41 | $1.2M | Apr 6, 2026 | Apr 8, 2026 |
| ADPT | Susan Bobulsky | Open market sell$544K | -8.8% | $13.17 | $544K | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Sharon Benzeno | Open market sell$831K | -18.8% | $13.17 | $831K | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Harlan S. Robins | Open market sell$4.34M | -17.8% | $13.17 | $4.34M | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Harlan S. Robins | Open market sell$1.85M | -7.1% | $13.17 | $1.85M | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Kyle Piskel | Open market sell$246K | -6.7% | $13.17 | $246K | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Francis Lo | Open market sell$431K | -9.4% | $14.08 | $431K | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Chad M. Robins | Open market sell$4.34M | -12.5% | $13.17 | $4.34M | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Chad M. Robins | Open market sell$1.85M | -5.1% | $13.17 | $1.85M | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Michelle Renee Griffin | Open market sell$214K | -49.6% | $13.91 | $214K | Mar 11, 2026 | Mar 13, 2026 |
| ADPT | Francis Lo | Open market sell$575K | -10.5% | $15.09 | $575K | Mar 5, 2026 | Mar 9, 2026 |
| ADPT | Harlan S. Robins | Open market sell$235K | -1.2% | $16.52 | $235K | Mar 3, 2026 | Mar 4, 2026 |
| ADPT | Chad M. Robins | Open market sell$38.4K | -0.1% | $16.15 | $38.4K | Mar 3, 2026 | Mar 3, 2026 |
| ADPT | Chad M. Robins | Open market sell$785K | -2.6% | $15.49 | $785K | Mar 3, 2026 | Mar 3, 2026 |
| ADPT | Harlan S. Robins | Open market sell$157K | -0.9% | $15.72 | $157K | Mar 2, 2026 | Mar 4, 2026 |
| ADPT | Chad M. Robins | Open market sell$4.57M | -12.7% | $15.82 | $4.57M | Mar 2, 2026 | Mar 3, 2026 |
| ADPT | Chad M. Robins | Open market sell$2.92M | -7.4% | $15.99 | $2.92M | Feb 27, 2026 | Mar 3, 2026 |
| ADPT | Harlan S. Robins | Open market sell$154K | -0.7% | $19.00 | $154K | Feb 3, 2026 | Feb 4, 2026 |
| ADPT | Harlan S. Robins | Open market sell$645K | -2.8% | $18.60 | $645K | Feb 2, 2026 | Feb 4, 2026 |
| ADPT | Chad M. Robins | Open market sell$2.3M | -4.8% | $18.44 | $2.3M | Feb 2, 2026 | Feb 4, 2026 |
| ADPT | Harlan S. Robins | Open market sell$164K | -0.8% | $16.44 | $164K | Jan 6, 2026 | Jan 8, 2026 |
| ADPT | Chad M. Robins | Open market sell$1.95M | -4.6% | $15.59 | $1.95M | Jan 5, 2026 | Jan 7, 2026 |
| ADPT | Robert Hershberg | Open market sell$367K | -33.0% | $16.00 | $367K | Dec 10, 2025 | Dec 12, 2025 |
| ADPT | Harlan S. Robins | Open market sell$166K | -0.8% | $16.61 | $166K | Dec 4, 2025 | Dec 5, 2025 |
| ADPT | Harlan S. Robins | Open market sell$506K | -2.1% | $18.61 | $506K | Dec 3, 2025 | Dec 5, 2025 |
| ADPT | Chad M. Robins | Open market sell$2.37M | -4.4% | $18.94 | $2.37M | Dec 1, 2025 | Dec 1, 2025 |
| ADPT | Chad M. Robins | Open market sell$703K | -1.3% | $19.68 | $703K | Nov 26, 2025 | Dec 1, 2025 |
| ADPT | Kyle Piskel | Open market sell$3.34K | -0.1% | $14.05 | $3.34K | Nov 17, 2025 | Nov 18, 2025 |
| ADPT | Chad M. Robins | Open market sell$28K | -0.1% | $15.00 | $28K | Nov 12, 2025 | Nov 12, 2025 |
| ADPT | Chad M. Robins | Open market sell$18K | 0.0% | $14.57 | $18K | Nov 11, 2025 | Nov 12, 2025 |
| ADPT | Harlan S. Robins | Open market sell$148K | -0.8% | $14.82 | $148K | Nov 10, 2025 | Nov 12, 2025 |
| ADPT | Chad M. Robins | Open market sell$1.27M | -2.9% | $14.73 | $1.27M | Nov 10, 2025 | Nov 12, 2025 |