Lambert Shiu - 13 Feb 2026 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
13 Feb 2026
Net transactions value
-$139,792
Form type
4
Filing time
18 Feb 2026, 20:02:33 UTC
Previous filing
17 Dec 2025
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 18 Feb 2026 0001796068

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PEN Common Stock Award $0 +2,300 +6.5% $0.000000 37,585 13 Feb 2026 Direct F1, F2
transaction PEN Common Stock Tax liability $139,792 -412 -1.1% $339.30 37,173 15 Feb 2026 Direct F2, F3
transaction PEN Common Stock Award $0 +2,300 +6.2% $0.000000 39,473 17 Feb 2026 Direct F2, F4
holding PEN Common Stock 300 13 Feb 2026 By Spouse's IRA F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On February 13, 2026, the Reporting Person was granted 2,300 restricted stock units (RSUs) under the Issuer's Amended and Restated 2014 Equity Incentive Plan, of which 1/4 of the RSUs will vest equally on February 15, 2026, February 15, 2027, February 15, 2028 and February 15, 2029, subject to continued service by the Reporting Person on the applicable vesting date. Notwithstanding the foregoing, if the Closing (as defined in that certain Agreement and Plan of Merger, dated as of January 14, 2026, among the Issuer, Boston Scientific Corporation, a Delaware corporation, and Pinehurst Merger Sub, Inc., a Delaware corporation) occurs, any of the RSUs that remain unvested will fully vest on the Closing, subject to continued service by the Reporting Person through such date.
F2 A portion of these shares is subject to vesting.
F3 Shares were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs granted to the Reporting Person.
F4 On February 17, 2026, the Reporting Person was granted 2,300 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 February 15, 2027, subject to continued service by the Reporting Person on the applicable vesting date. Notwithstanding the foregoing, if the Closing (as defined in that certain Agreement and Plan of Merger, dated as of January 14, 2026, among the Issuer, Boston Scientific Corporation, a Delaware corporation, and Pinehurst Merger Sub, Inc., a Delaware corporation) occurs, any of the RSUs that remain unvested will fully vest on the Closing, subject to continued service by the Reporting Person through such date.
F5 Shares are held by the Reporting Person's spouse in an IRA.