Chad Robins, CEO and Chairman of Adaptive Biotechnologies Corp ($ADPT), sold shares on the open market 11 times over the past year, totaling nearly $17 million. His most recent sale occurred on March 3, 2026. These transactions rank him 762nd among 11,678 insiders by sale value, above the average of $8.6 million per insider and 6.4 transactions. He made no open market purchases in this period.
| 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 | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 329600 | $13.17 | 2,301,113.0000 | 163,162,107 | 12.53% | 0.20% |
| March 11, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 140567 | $13.17 | 2,630,713.0000 | 163,162,107 | 5.07% | 0.09% |
| March 4, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | A | Common Stock | 127813 | $0.00 | 2,062,060.0000 | 163,162,107 | 6.61% | 0.08% |
| March 6, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | A | Common Stock | 709220 | $0.00 | 2,771,280.0000 | 163,162,107 | 34.39% | 0.43% |
| March 3, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 50703 | $15.49 | 1,936,627.0000 | 163,162,107 | 2.55% | 0.03% |
| Feb. 27, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 182891 | $15.99 | 2,276,354.0000 | 163,162,107 | 7.44% | 0.11% |
| March 2, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 289024 | $15.82 | 1,987,330.0000 | 163,162,107 | 12.70% | 0.18% |
| March 3, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 2380 | $16.15 | 1,934,247.0000 | 163,162,107 | 0.12% | 0.00% |
| Feb. 2, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 124998 | $18.44 | 2,459,245.0000 | 163,162,107 | 4.84% | 0.08% |
| Jan. 5, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 124998 | $15.59 | 2,584,243.0000 | 163,162,107 | 4.61% | 0.08% |
| Nov. 26, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 35736 | $19.68 | 2,834,239.0000 | 163,162,107 | 1.25% | 0.02% |
| Dec. 1, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 124998 | $18.94 | 2,709,241.0000 | 163,162,107 | 4.41% | 0.08% |
| Nov. 10, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 86161 | $14.73 | 2,873,088.0000 | 163,162,107 | 2.91% | 0.05% |
| Nov. 11, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 1237 | $14.57 | 2,871,851.0000 | 163,162,107 | 0.04% | 0.00% |
| Nov. 12, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 1867 | $15.00 | 2,869,975.0000 | 163,162,107 | 0.07% | 0.00% |
| March 4, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | A | Common Stock | 355000 | $0.00 | 2,931,701.0000 | 147,101,648 | 13.78% | 0.24% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 81206 | $6.98 | 2,850,495.0000 | 147,101,648 | 2.77% | 0.06% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 36145 | $6.99 | 2,814,350.0000 | 147,101,648 | 1.27% | 0.02% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | A | Common Stock | 247117 | $0.00 | 3,061,467.0000 | 147,101,648 | 8.78% | 0.17% |
| March 6, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 102218 | $7.64 | 2,959,249.0000 | 147,101,648 | 3.34% | 0.07% |
| Feb. 20, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 99107 | $8.44 | 2,576,701.0000 | 147,101,648 | 3.70% | 0.07% |
| Feb. 20, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Common Stock | 99107 | $6.32 | 2,675,808.0000 | 147,101,648 | 3.85% | 0.07% |
| Feb. 19, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 186080 | $8.46 | 2,576,701.0000 | 147,101,648 | 6.74% | 0.13% |
| Feb. 19, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Common Stock | 186080 | $6.32 | 2,762,781.0000 | 147,101,648 | 7.22% | 0.13% |
| Feb. 20, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Stock Option (right to buy) | 99107 | $0.00 | 0.0000 | 147,101,648 | 100.00% | 0.07% |
| Feb. 19, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Stock Option (right to buy) | 186080 | $0.00 | 99,107.0000 | 147,101,648 | 65.25% | 0.13% |
| Feb. 14, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Common Stock | 158921 | $6.32 | 2,735,622.0000 | 147,101,648 | 6.17% | 0.11% |
| Feb. 13, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 100287 | $8.44 | 2,576,701.0000 | 147,101,648 | 3.75% | 0.07% |
| Feb. 13, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Common Stock | 100287 | $6.32 | 2,676,988.0000 | 147,101,648 | 3.89% | 0.07% |
| Feb. 14, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 158921 | $8.46 | 2,576,701.0000 | 147,101,648 | 5.81% | 0.11% |
| Feb. 18, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Stock Option (right to buy) | 211160 | $0.00 | 285,187.0000 | 147,101,648 | 42.54% | 0.14% |
| Feb. 14, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Stock Option (right to buy) | 158921 | $0.00 | 496,347.0000 | 147,101,648 | 24.25% | 0.11% |
| Feb. 13, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Stock Option (right to buy) | 100287 | $0.00 | 655,268.0000 | 147,101,648 | 13.27% | 0.07% |
| Feb. 18, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 211160 | $8.50 | 2,576,701.0000 | 147,101,648 | 7.57% | 0.14% |
| Feb. 18, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | M | Common Stock | 211160 | $6.32 | 2,787,861.0000 | 147,101,648 | 8.19% | 0.14% |
| March 4, 2024 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | A | Common Stock | 354610 | $0.00 | 2,625,374.0000 | 144,383,294 | 15.62% | 0.25% |
| March 5, 2024 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 42794 | $3.43 | 2,576,701.0000 | 144,383,294 | 1.63% | 0.03% |
| March 5, 2024 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | S | Common Stock | 5879 | $3.44 | 2,619,495.0000 | 144,383,294 | 0.22% | 0.00% |
| March 6, 2023 | Adaptive Biotechnologies Corp | $ADPT | ROBINS CHAD M | CEO and Chairman | A | Common Stock | 354610 | $0.00 | 2,270,764.0000 | 142,515,917 | 18.51% | 0.25% |