Penumbra Inc — Director's Dealing 2017

Aug 3, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2017-08-01

Reporting Person: Davis Daniel Donen (See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-08-01	Common Stock	M	30559	$12.36	Acquired	74500	Direct
2017-08-01	Common Stock	S	6850	$78.31	Disposed	67650	Direct
2017-08-01	Common Stock	S	14433	$79.22	Disposed	53217	Direct
2017-08-01	Common Stock	S	7954	$80.19	Disposed	45263	Direct
2017-08-01	Common Stock	S	2763	$80.98	Disposed	42500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-08-01	Stock Option (right to buy)	$12.36	M	30559	Disposed	2025-03-22	Common Stock (30559.0)	Direct

Footnotes

F1: A portion of these shares is subject to vesting.

F2: The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3: This transaction was executed in multiple trades at prices ranging from $77.75 to $78.70. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provideupon 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 $78.75 to $79.70. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provideupon 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 $79.75 to $80.70. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provideupon 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 $80.75 to $81.60. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provideupon 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: The original option grant vests over four years, with 25% of the options vesting on January 26, 2016 and 1/48 vesting each month thereafter.