| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| LO FRANCIS | Chief People Officer | C/O ADAPTIVE BIOTECHNOLOGIES CORPORATION, 1165 EASTLAKE AVENUE EAST, SEATTLE | /s/ Francis Lo by Kyle Piskel, Attorney-in-Fact | 06 Mar 2026 | 0001780660 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ADPT | Common Stock | Award | +44,063 | +14% | $0.000000* | 360,041 | 04 Mar 2026 | Direct | ||
| holding | ADPT | Common Stock | 2,500 | 04 Mar 2026 | By You Jin Lee (spouse) |