| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Elsesser Adam | CEO and President, Director | ONE PENUMBRA PLACE, ALAMEDA | /s/ Emma J. Purdy, as attorney-in-fact for Adam Elsesser | 22 May 2025 | 0001651323 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PEN | Common Stock | Gift | $0 | -260,000 | -31% | $0.000000 | 577,582 | 21 May 2025 | By Trust | F1, F2 |
| holding | PEN | Common Stock | 86,613 | 21 May 2025 | Direct |
| Id | Content |
|---|---|
| F1 | Charitable donation to Massachusetts school focused on educating students with complex language and learning challenges. |
| F2 | Shares are held by the Siegel/Elsesser Revocable Trust. |