Penumbra Inc — Director's Dealing 2017

Feb 9, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2017-02-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-07	Common Stock	M	4000	$1.26	Acquired	1239838	Direct
2017-02-07	Common Stock	S	3046	$68.98	Disposed	1236792	Direct
2017-02-07	Common Stock	S	954	$69.44	Disposed	1235838	Direct
2017-02-08	Common Stock	M	9300	$1.26	Acquired	1245138	Direct
2017-02-08	Common Stock	S	1709	$68.60	Disposed	1243429	Direct
2017-02-08	Common Stock	S	4071	$69.81	Disposed	1239358	Direct
2017-02-08	Common Stock	S	3520	$70.17	Disposed	1235838	Direct
2017-02-09	Common Stock	M	9000	$1.26	Acquired	1244838	Direct
2017-02-09	Common Stock	S	100	$68.95	Disposed	1244738	Direct
2017-02-09	Common Stock	S	1200	$70.35	Disposed	1243538	Direct
2017-02-09	Common Stock	S	1300	$71.59	Disposed	1242238	Direct
2017-02-09	Common Stock	S	6400	$72.14	Disposed	1235838	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-07	Stock Option (right to buy)	$1.26	M	4000	Disposed	2017-09-30	Common Stock (4000.0)	Direct
2017-02-08	Stock Option (right to buy)	$1.26	M	9300	Disposed	2017-09-30	Common Stock (9300.0)	Direct
2017-02-09	Stock Option (right to buy)	$1.26	M	9000	Disposed	2017-09-30	Common Stock (9000.0)	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 $68.25 to $69.20. 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.

F3: This transaction was executed in multiple trades at prices ranging from $69.25 to $69.75. 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 $68.10 to $69.05. 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 $69.10 to $70.08. 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 $70.10 to $70.25. 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 $70.00 to $70.80. 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: This transaction was executed in multiple trades at prices ranging from $71.05 to $71.90. 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.

F9: This transaction was executed in multiple trades at prices ranging from $71.95 to $72.30. 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.

F10: Shares are held by the Siegel/Elsesser Revocable Trust.

F11: All shares are vested and exercisable.