| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Roberts Johanna | EVP, Gen. Counsel & Secretary | ONE PENUMBRA PLACE, ALAMEDA | /s/ Johanna Roberts | 17 Mar 2026 | 0001751980 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PEN | Common Stock | Tax liability | -186 | -0.28% | $336.18* | 67,298 | 15 Mar 2026 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Shares were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units granted to the Reporting Person. |
| F2 | A portion of these shares is subject to vesting. |