Harlan S. Robins, Chief Scientific Officer at Adaptive Biotechnologies Corp ($ADPT), sold shares on the open market 10 times over the last year, totaling about $2.7 million. His most recent sale occurred on March 3, 2026. These sales rank him 2905th among 11,678 individual insiders by amount sold, below 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 HARLAN S | Chief Scientific Officer | S | Common Stock | 329600 | $13.17 | 1,522,058.0000 | 163,162,107 | 17.80% | 0.20% |
| March 11, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 140666 | $13.17 | 1,851,658.0000 | 163,162,107 | 7.06% | 0.09% |
| March 4, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | A | Common Stock | 127813 | $0.00 | 1,283,104.0000 | 163,162,107 | 11.06% | 0.08% |
| March 6, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | A | Common Stock | 709220 | $0.00 | 1,992,324.0000 | 163,162,107 | 55.27% | 0.43% |
| March 2, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 10000 | $15.72 | 1,169,524.0000 | 163,162,107 | 0.85% | 0.01% |
| March 3, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 14233 | $16.52 | 1,155,291.0000 | 163,162,107 | 1.22% | 0.01% |
| Feb. 2, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 34668 | $18.60 | 1,187,644.0000 | 163,162,107 | 2.84% | 0.02% |
| Feb. 3, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 8120 | $19.00 | 1,179,524.0000 | 163,162,107 | 0.68% | 0.00% |
| Jan. 6, 2026 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 10000 | $16.44 | 1,222,312.0000 | 163,162,107 | 0.81% | 0.01% |
| Dec. 4, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 10000 | $16.61 | 1,232,312.0000 | 163,162,107 | 0.80% | 0.01% |
| Dec. 3, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 27212 | $18.61 | 1,242,312.0000 | 163,162,107 | 2.14% | 0.02% |
| Nov. 10, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 10000 | $14.82 | 1,269,524.0000 | 163,162,107 | 0.78% | 0.01% |
| May 1, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | M | Common Stock | 68412 | $6.32 | 1,347,936.0000 | 147,101,648 | 5.35% | 0.05% |
| May 1, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 68412 | $7.35 | 1,279,524.0000 | 147,101,648 | 5.08% | 0.05% |
| May 1, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | M | Stock Option (Right to Buy) | 68412 | $0.00 | 0.0000 | 147,101,648 | 100.00% | 0.05% |
| March 24, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | M | Common Stock | 1698 | $6.32 | 1,281,222.0000 | 147,101,648 | 0.13% | 0.00% |
| March 24, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 1698 | $9.00 | 1,279,524.0000 | 147,101,648 | 0.13% | 0.00% |
| March 24, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | M | Stock Option (Right to Buy) | 1698 | $0.00 | 68,412.0000 | 147,101,648 | 2.42% | 0.00% |
| March 4, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | A | Common Stock | 355000 | $0.00 | 1,376,180.0000 | 147,101,648 | 34.76% | 0.24% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 56053 | $6.99 | 1,279,524.0000 | 147,101,648 | 4.20% | 0.04% |
| March 5, 2025 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | S | Common Stock | 40603 | $6.98 | 1,335,577.0000 | 147,101,648 | 2.95% | 0.03% |
| March 4, 2024 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | A | Common Stock | 354610 | $0.00 | 1,021,180.0000 | 144,383,294 | 53.20% | 0.25% |
| March 6, 2023 | Adaptive Biotechnologies Corp | $ADPT | ROBINS HARLAN S | Chief Scientific Officer | A | Common Stock | 354610 | $0.00 | 666,570.0000 | 142,515,917 | 113.67% | 0.25% |