Penumbra Inc — Director's Dealing 2025

Mar 21, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2025-03-19

Reporting Person: Elsesser Adam (Director, CEO and President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-19	Common Stock	M	27976	$30	Acquired	44352	Direct
2025-03-19	Common Stock	S	280	$271.07	Disposed	44072	Direct
2025-03-19	Common Stock	S	330	$272.54	Disposed	43742	Direct
2025-03-19	Common Stock	S	180	$273.34	Disposed	43562	Direct
2025-03-19	Common Stock	S	1843	$274.84	Disposed	41719	Direct
2025-03-19	Common Stock	S	2126	$275.40	Disposed	39593	Direct
2025-03-19	Common Stock	S	11063	$276.72	Disposed	28530	Direct
2025-03-19	Common Stock	S	178	$277.42	Disposed	28352	Direct
2025-03-19	Common Stock	S	600	$278.89	Disposed	27752	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-19	Stock Option (right to buy)	$30	M	27976	Disposed	2025-09-16	Common Stock (27976)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	837582	Indirect

Footnotes

F1: The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan. The Reporting Person entered into the Rule 10b5-1 trading plan in connection with the expiration of certain stock options held by the Reporting Person and related sales of shares to satisfy the exercise price and tax withholding obligations upon the exercise of such stock options.

F2: This transaction was executed in multiple trades at prices ranging from $274.55 to $275.03. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.

F3: This transaction was executed in multiple trades at prices ranging from $275.07 to $275.96. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.

F4: This transaction was executed in multiple trades at prices ranging from $276.07 to $277.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.

F5: Shares are held by the Siegel/Elsesser Revocable Trust.

F6: All shares are vested and exercisable.