Penumbra Inc — Director's Dealing 2025

Aug 15, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2025-08-13

Reporting Person: Yuen Maggie (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-13	Common Stock	S	2000	$250	Disposed	12943	Direct
2025-08-15	Common Stock	M	724	$158.30	Acquired	13667	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-08-15	Stock Option (right to buy)	$158.30	M	724	Disposed	2029-12-15	Common Stock (724)	Direct

Footnotes

F1: The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F2: A portion of these shares is subject to vesting.

F3: Includes 86 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on May 19, 2025.

F4: All shares are vested and exercisable.