Lambert Shiu - 15 Dec 2025 Form 4 Insider Report for Penumbra Inc (PEN)

Role
Chief Accounting Officer
Signature
/s/ Johanna Roberts, as attorney-in-fact for Lambert Shiu
Issuer symbol
PEN
Transactions as of
15 Dec 2025
Net transactions value
-$92,745
Form type
4
Filing time
17 Dec 2025, 19:59:57 UTC
Previous filing
18 Nov 2025
Next filing
18 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Shiu Lambert Chief Accounting Officer ONE PENUMBRA PLACE, ALAMEDA /s/ Johanna Roberts, as attorney-in-fact for Lambert Shiu 17 Dec 2025 0001796068

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PEN Common Stock Tax liability $92,745 -300 -0.84% $309.15 35,285 15 Dec 2025 Direct F1, F2, F3
holding PEN Common Stock 300 15 Dec 2025 By Spouse's IRA F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

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.
F3 Includes 20 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on November 19, 2025.
F4 Shares are held by the Reporting Person's spouse in an IRA.