| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Goodman Noah | Chief Business Officer | 500 NORTH BEACON STREET, 4TH FLOOR, WATERTOWN | /s/ Bruce Jacobs, as Attorney-in-Fact | 04 Mar 2026 | 0002060075 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KYMR | Common Stock | Award | +9,225 | +18% | $0.000000* | 59,306 | 02 Mar 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KYMR | Stock Option (Right to Buy) | Award | +18,450 | $0.000000* | 18,450 | 02 Mar 2026 | Common Stock | 18,450 | $90.10 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting and settlement. The RSUs shall vest in four equal annual installments following March 2, 2026, subject to the reporting person's continued employment through each vesting date. |
| F2 | The shares underlying this stock option shall vest in fourty-eight (48) equal monthly installments following March 2, 2026, subject to the reporting person's continued employment through each vesting date. |