Shiu Lambert 4
4 · Penumbra Inc · Filed Nov 18, 2025
Insider Transaction Report
Form 4
Penumbra IncPEN
Shiu Lambert
Chief Accounting Officer
Transactions
- Tax Payment
Common Stock
2025-11-15$280.07/sh−346$96,904→ 32,491 total - Tax Payment
Common Stock
2025-11-15$280.07/sh−506$141,715→ 31,985 total - Award
Common Stock
2025-11-17+3,580→ 35,565 total
Holdings
- 300(indirect: By Spouse)
Common Stock
Footnotes (5)
- [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]Includes 81 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on May 19, 2025.
- [F4]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.
- [F5]Shares are held by the Reporting Person's spouse in an IRA.