Michelle Renee Griffin, a director at Adaptive Biotechnologies Corp (ADPT), made one open market sale of common shares in the last year, totaling about $735 thousand. Her most recent sale occurred on March 3, 2026. This ranks her 5,625th among 11,678 insiders by sale value, well below the average of 8.6 million per person across 6.4 transactions. She 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 | GRIFFIN MICHELLE RENEE | Director | S | Common Stock | 15394 | $13.91 | 15,625.0000 | 163,162,107 | 49.63% | 0.01% |
| March 4, 2026 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | A | Common Stock | 15625 | $0.00 | 31,019.0000 | 163,162,107 | 101.50% | 0.01% |
| March 3, 2026 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | M | Common Stock | 48044 | $3.99 | 63,438.0000 | 163,162,107 | 312.10% | 0.03% |
| March 3, 2026 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | M | Stock Option (right to buy) | 48044 | $0.00 | 0.0000 | 163,162,107 | 100.00% | 0.03% |
| March 3, 2026 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | S | Common Stock | 48044 | $15.30 | 15,394.0000 | 163,162,107 | 75.73% | 0.03% |
| March 13, 2025 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | S | Common Stock | 36291 | $7.19 | 15,394.0000 | 147,101,648 | 70.22% | 0.02% |
| March 4, 2025 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | A | Common Stock | 15394 | $0.00 | 67,349.0000 | 147,101,648 | 29.63% | 0.01% |
| March 4, 2025 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | A | Stock Option (right to buy) | 23726 | $0.00 | 23,726.0000 | 147,101,648 | 9999.99% | 0.02% |
| March 6, 2025 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | S | Common Stock | 15664 | $7.94 | 51,685.0000 | 147,101,648 | 23.26% | 0.01% |
| March 4, 2024 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | A | Common Stock | 31328 | $0.00 | 51,955.0000 | 144,383,294 | 151.88% | 0.02% |
| March 4, 2024 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | A | Stock Option (right to buy) | 48044 | $0.00 | 48,044.0000 | 144,383,294 | 9999.99% | 0.03% |
| March 27, 2023 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | S | Common Stock | 2341 | $8.49 | 20,627.0000 | 142,515,917 | 10.19% | 0.00% |
| March 6, 2023 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | A | Stock Option (right to buy) | 23329 | $0.00 | 23,329.0000 | 142,515,917 | 9999.99% | 0.02% |
| March 6, 2023 | Adaptive Biotechnologies Corp | $ADPT | GRIFFIN MICHELLE RENEE | Director | A | Common Stock | 14775 | $0.00 | 22,968.0000 | 142,515,917 | 180.34% | 0.01% |