Penumbra Inc — Director's Dealing 2016

Aug 31, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2016-08-29

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-08-29	Common Stock	M	9000	$1.26	Acquired	1244838	Direct
2016-08-29	Common Stock	S	8276	$71.68	Disposed	1236562	Direct
2016-08-29	Common Stock	S	724	$72.16	Disposed	1235838	Direct
2016-08-30	Common Stock	M	8700	$1.26	Acquired	1244538	Direct
2016-08-30	Common Stock	S	8700	$71.14	Disposed	1235838	Direct
2016-08-31	Common Stock	M	8300	$1.26	Acquired	1244138	Direct
2016-08-31	Common Stock	S	8300	$70.55	Disposed	1235838	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-08-29	Stock Option (right to buy)	$1.26	M	9000	Disposed	2017-04-30	Common Stock (9000.0)	Direct
2016-08-30	Stock Option (right to buy)	$1.26	M	8700	Disposed	2017-04-30	Common Stock (8700.0)	Direct
2016-08-31	Stock Option (right to buy)	$1.26	M	8300	Disposed	2017-04-30	Common Stock (8300.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	14144	Indirect

Footnotes

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

F2: This transaction was executed in multiple trades at prices ranging from $71.13 to $72.10. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer 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 $72.14 to $72.20. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer 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 $70.74 to $71.57. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5: This transaction was executed in multiple trades at prices ranging from $70.14 to $70.92. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6: Shares are held by the Siegel/Elsesser Revocable Trust.

F7: All shares are vested and exercisable.