| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rose Shawn Marshall | Chief Medical Officer, Head of Research & Development | C/O NKARTA, INC., 1150 VETERANS BLVD, SOUTH SAN FRANCISCO | /s/ Bridgette Housley, as Attorney-in-Fact | 08 Jan 2026 | 0002073530 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NKTX | Common Stock | Award | $0 | +70,000 | $0.000000 | 70,000 | 06 Jan 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NKTX | Stock Option (right to buy) | Award | $0 | +139,000 | $0.000000 | 139,000 | 06 Jan 2026 | Common Stock | 139,000 | $1.93 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents Restricted Stock Units ("RSUs") which vest in four equal annual installments beginning on January 14, 2027. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. |
| F2 | This option is scheduled to vest and become exercisable in 48 equal monthly installments occurring on the completion of each successive month of the Reporting Person's service to the Issuer following January 14, 2026. |
Chief Medical Officer, Head of Research & Development