| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HERSHBERG ROBERT | Director | C/O ADAPTIVE BIOTECHNOLOGIES CORPORATION, 1165 EASTLAKE AVE E, SEATTLE | /s/ Robert Hershberg by Kyle Piskel, Attorney-in-Fact | 12 Dec 2025 | 0001274139 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ADPT | Common Stock | Sale | $367,488 | -22,968 | -33% | $16.00 | 46,722 | 10 Dec 2025 | Direct |