| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Yuen Maggie | Chief Financial Officer | ONE PENUMBRA PLACE, ALAMEDA | /s/ Johanna Roberts, as attorney-in-fact for Maggie Yuen | 18 Nov 2025 | 0001796057 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PEN | Common Stock | Tax liability | $101,945 | -364 | -2.7% | $280.07 | 13,303 | 15 Nov 2025 | Direct | F1, F2 |
| transaction | PEN | Common Stock | Tax liability | $91,583 | -327 | -2.5% | $280.07 | 12,976 | 15 Nov 2025 | Direct | F1, F2 |
| transaction | PEN | Common Stock | Award | $0 | +3,580 | +28% | $0.000000 | 16,556 | 17 Nov 2025 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Shares were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units (RSUs) granted to the Reporting Person. |
| F2 | A portion of these shares is subject to vesting. |
| F3 | On November 17, 2025, the Reporting Person was granted 3,580 RSUs under the Issuer's Amended and Restated 2014 Equity Incentive Plan, of which 1/4 of the RSUs will vest equally on an annual basis, beginning on November 15, 2026, subject to continued service by the Reporting Person on the applicable vesting date. |