SEC Insider Transactions from ROBINS CHAD M.

Last updated: 2026-03-15 09:23 UTC | Total transactions: 39

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.

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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%