Kyle Piskel, CFO of Adaptive Biotechnologies Corp ($ADPT), made six open market sales of company shares in the past year, totaling $3.3 million. His most recent insider sale occurred on February 4, 2026. Piskel's $ADPT sales rank 2,535th among 11,678 insiders, below the average of $8.6 million and 6.4 transactions. He reported no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 11, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 18672 | $13.17 | 259,840.0000 | 163,162,107 | 6.70% | 0.01% |
| March 4, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | A | Common Stock | 61875 | $0.00 | 278,512.0000 | 163,162,107 | 28.56% | 0.04% |
| Feb. 4, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Common Stock | 2145 | $12.14 | 218,782.0000 | 163,162,107 | 0.99% | 0.00% |
| Feb. 4, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Stock Option (right to buy) | 2145 | $0.00 | 2,146.0000 | 163,162,107 | 49.99% | 0.00% |
| Feb. 4, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 2145 | $18.46 | 216,637.0000 | 163,162,107 | 0.98% | 0.00% |
| Jan. 12, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 4290 | $18.00 | 216,637.0000 | 163,162,107 | 1.94% | 0.00% |
| Jan. 12, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Stock Option (right to buy) | 4290 | $0.00 | 4,291.0000 | 163,162,107 | 49.99% | 0.00% |
| Jan. 12, 2026 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Common Stock | 4290 | $12.14 | 220,927.0000 | 163,162,107 | 1.98% | 0.00% |
| Nov. 28, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Common Stock | 3750 | $7.80 | 285,073.0000 | 163,162,107 | 1.33% | 0.00% |
| Nov. 28, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Stock Option (right to buy) | 94384 | $0.00 | 8,581.0000 | 163,162,107 | 91.67% | 0.06% |
| Nov. 28, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Stock Option (right to buy) | 3750 | $0.00 | 0.0000 | 163,162,107 | 100.00% | 0.00% |
| Nov. 28, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Common Stock | 11980 | $6.55 | 281,323.0000 | 163,162,107 | 4.45% | 0.01% |
| Nov. 28, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Stock Option (right to buy) | 11980 | $0.00 | 0.0000 | 163,162,107 | 100.00% | 0.01% |
| Nov. 28, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 162820 | $19.50 | 216,637.0000 | 163,162,107 | 42.91% | 0.10% |
| Nov. 28, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Common Stock | 94384 | $12.14 | 379,457.0000 | 163,162,107 | 33.11% | 0.06% |
| Nov. 17, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 238 | $14.05 | 269,343.0000 | 163,162,107 | 0.09% | 0.00% |
| May 16, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 1929 | $8.89 | 269,581.0000 | 147,101,648 | 0.71% | 0.00% |
| May 16, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 1929 | $8.89 | 277,396.0000 | 147,101,648 | 0.69% | 0.00% |
| May 15, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | A | Common Stock | 7815 | $0.00 | 279,325.0000 | 147,101,648 | 2.88% | 0.01% |
| March 14, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Stock Option (Right to Buy) | 2500 | $0.00 | 0.0000 | 147,101,648 | 100.00% | 0.00% |
| March 14, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | M | Common Stock | 2500 | $6.32 | 271,510.0000 | 147,101,648 | 0.93% | 0.00% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 6964 | $6.99 | 269,010.0000 | 147,101,648 | 2.52% | 0.00% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 253 | $6.98 | 275,974.0000 | 147,101,648 | 0.09% | 0.00% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 3103 | $6.97 | 276,227.0000 | 147,101,648 | 1.11% | 0.00% |
| March 4, 2025 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | A | Common Stock | 125000 | $0.00 | 279,330.0000 | 147,101,648 | 81.00% | 0.08% |
| Nov. 18, 2024 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | S | Common Stock | 248 | $4.98 | 154,330.0000 | 147,516,398 | 0.16% | 0.00% |
| May 15, 2024 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Chief Financial Officer | A | Common Stock | 31260 | $0.00 | 154,578.0000 | 144,383,294 | 25.35% | 0.02% |
| March 5, 2024 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Principal Accounting Officer | S | Common Stock | 7727 | $3.43 | 123,318.0000 | 144,383,294 | 5.90% | 0.01% |
| March 4, 2024 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Principal Accounting Officer | A | Common Stock | 43740 | $0.00 | 131,045.0000 | 144,383,294 | 50.10% | 0.03% |
| Nov. 16, 2023 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Principal Accounting Officer | S | Common Stock | 259 | $4.13 | 87,305.0000 | 142,515,917 | 0.30% | 0.00% |
| March 6, 2023 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Principal Accounting Officer | S | Common Stock | 229 | $8.58 | 87,564.0000 | 142,515,917 | 0.26% | 0.00% |
| March 6, 2023 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Principal Accounting Officer | A | Common Stock | 43735 | $0.00 | 91,093.0000 | 142,515,917 | 92.35% | 0.03% |
| March 6, 2023 | Adaptive Biotechnologies Corp | $ADPT | PISKEL KYLE | Principal Accounting Officer | S | Common Stock | 3300 | $8.57 | 87,793.0000 | 142,515,917 | 3.62% | 0.00% |