Harlan S. Robins serves as Executive at Adaptive Biotechnologies Corp, where they oversee executive responsibilities. Since joining the company, Harlan S. Robins has executed 222 insider transactions totaling $41.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 3, 2026 involved selling 8,120 shares valued at $154.3K.
Harlan S. Robins currently holds 1,179,524 shares of Adaptive Biotechnologies Corp (ADPT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Harlan S. Robins has been a net seller of ADPT stock. They have purchased $0 and sold $41.2M worth of shares.
Harlan S. Robins's most recent insider trade was on Feb 3, 2026, when they sold 8,120 shares at $19.00 per share.
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| $18.60 |
| Discretionary |
| Jan 6, 2026 | ADPT | $164.4K | Sale | 10,000 | $16.44 | Discretionary |
| Dec 4, 2025 | ADPT | $166.1K | Sale | 10,000 | $16.61 | Discretionary |
| Dec 3, 2025 | ADPT | $506.4K | Sale | 27,212 | $18.61 | Discretionary |
| Nov 10, 2025 | ADPT | $148.2K | Sale | 10,000 | $14.82 | Discretionary |
| Mar 4, 2024 | ADPT | $0 | Award | 354,610 | $N/A | Discretionary |
| Mar 6, 2023 | ADPT | $0 | Award | 354,610 | $N/A | Discretionary |
| Mar 7, 2022 | ADPT | $54.2K | Sale | 4,517 | $12.01 | Discretionary |
| Mar 4, 2022 | ADPT | $0 | Award | 247,117 | $N/A | Discretionary |
| Nov 18, 2021 | ADPT | $2.0K | Option Exercise | 300 | $6.55 | Discretionary |
| Nov 18, 2021 | ADPT | $9.4K | Sale | 300 | $31.36 | Discretionary |
| Nov 17, 2021 | ADPT | $24.2K | Option Exercise | 3,700 | $6.55 | Discretionary |
| Nov 17, 2021 | ADPT | $118.6K | Sale | 3,700 | $32.05 | Discretionary |
| Oct 21, 2021 | ADPT | $24.2K | Option Exercise | 3,700 | $6.55 | Discretionary |
| Oct 21, 2021 | ADPT | $124.8K | Sale | 3,700 | $33.73 | Discretionary |
| Oct 20, 2021 | ADPT | $24.2K | Option Exercise | 3,700 | $6.55 | Discretionary |
| Oct 20, 2021 | ADPT | $124.7K | Sale | 3,700 | $33.71 | Discretionary |
| Oct 19, 2021 | ADPT | $118.2K | Sale | 3,500 | $33.76 | Discretionary |
| Oct 19, 2021 | ADPT | $24.9K | Option Exercise | 3,800 | $6.55 | Discretionary |
| Oct 19, 2021 | ADPT | $9.9K | Sale | 300 | $32.91 | Discretionary |
| Oct 8, 2021 | ADPT | $24.6K | Option Exercise | 3,895 | $6.32 | Discretionary |
| Oct 8, 2021 | ADPT | $128.4K | Sale | 3,895 | $32.96 | Discretionary |
| Oct 7, 2021 | ADPT | $24.6K | Option Exercise | 3,895 | $6.32 | Discretionary |
| Oct 7, 2021 | ADPT | $6.5K | Sale | 200 | $32.50 | Discretionary |
| Oct 7, 2021 | ADPT | $124.4K | Sale | 3,695 | $33.68 | Discretionary |
| Oct 6, 2021 | ADPT | $24.6K | Option Exercise | 3,895 | $6.32 | Discretionary |
| Oct 6, 2021 | ADPT | $125.7K | Sale | 3,895 | $32.27 | Discretionary |
| Sep 15, 2021 | ADPT | $33.5K | Sale | 900 | $37.23 | Discretionary |
| Sep 15, 2021 | ADPT | $109.4K | Sale | 2,995 | $36.52 | Discretionary |