Penumbra Inc — Director's Dealing 2016

Sep 9, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2016-09-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-09-07	Common Stock	M	14000	$1.26	Acquired	1249838	Direct
2016-09-07	Common Stock	S	14000	$70.99	Disposed	1235838	Direct
2016-09-08	Common Stock	M	36000	$1.26	Acquired	1271838	Direct
2016-09-08	Common Stock	S	8052	$70.65	Disposed	1263786	Direct
2016-09-08	Common Stock	S	27948	$71.58	Disposed	1235838	Direct
2016-09-09	Common Stock	M	7200	$1.26	Acquired	1243038	Direct
2016-09-09	Common Stock	S	3300	$68.69	Disposed	1239738	Direct
2016-09-09	Common Stock	S	400	$69.77	Disposed	1239338	Direct
2016-09-09	Common Stock	S	3500	$70.66	Disposed	1235838	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-09-07	Stock Option (right to buy)	$1.26	M	14000	Disposed	2017-04-30	Common Stock (14000.0)	Direct
2016-09-08	Stock Option (right to buy)	$1.26	M	36000	Disposed	2017-04-30	Common Stock (36000.0)	Direct
2016-09-09	Stock Option (right to buy)	$1.26	M	7200	Disposed	2017-04-30	Common Stock (7200.0)	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 $70.52 to $71.34. 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 $70.15 to $71.10. 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.

F4: This transaction was executed in multiple trades at prices ranging from $71.17 to $71.82. 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 $68.38 to $69.19. 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: This transaction was executed in multiple trades at prices ranging from $69.57 to $69.95. 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.

F7: This transaction was executed in multiple trades at prices ranging from $70.37 to $70.85. 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.

F8: Shares are held by the Siegel/Elsesser Revocable Trust.

F9: All shares are vested and exercisable.