DEFA14A 1 penumbrainc2025defa14a.htm DEFA14A
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934 (Amendment No. )
Filed by the Registrant x
Filed by a Party other than the Registrant o
Check the appropriate box:

o |  | Preliminary Proxy Statement
o |  | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o |  | Definitive Proxy Statement
x |  | Definitive Additional Materials
o |  | Soliciting Material under §240.14a-12

Penumbra, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement if Other Than the Registrant)
Payment of Filing Fee (Check the appropriate box):

x |  | No fee required.
o |  | Fee previously paid with preliminary materials.
o |  | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.