Penumbra Inc — Director's Dealing 2018

Mar 5, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2018-01-02

Reporting Person: Evans Robert D. (EVP, Gen. Counsel & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-01-02	Common Stock	M	5000	$22.04	Acquired	12225	Direct
2018-03-01	Common Stock	M	5000	$22.04	Acquired	17225	Direct
2018-03-01	Common Stock	S	1300	$107.55	Disposed	15925	Direct
2018-03-01	Common Stock	S	2678	$108.40	Disposed	13247	Direct
2018-03-01	Common Stock	S	822	$109.58	Disposed	12425	Direct
2018-03-01	Common Stock	S	200	$110	Disposed	12225	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-01-02	Stock Option (right to buy)	$22.04	M	5000	Disposed	2025-08-11	Common Stock (5000.0)	Direct
2018-03-01	Stock Option (right to buy)	$22.04	M	5000	Disposed	2025-08-11	Common Stock (5000.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	170775	Indirect

Footnotes

F1: The totals in column 5 have been adjusted from prior reports to accurately reflect certain transactions as involving directly owned shares, which were previously reported as having involved indirectly owned shares.

F2: This option exercise was omitted from the prior Form 4 as a result of an administrative error by the company's external share administrator. The shares underlying the option were sold as previously reported in the Form 4 dated January 4, 2018.

F3: The sales were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F4: This transaction was executed in multiple trades at prices ranging from $106.95 to $107.85. 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.

F5: This transaction was executed in multiple trades at prices ranging from $108.00 to $108.95. 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.

F6: This transaction was executed in multiple trades at prices ranging from $109.00 to $109.95. 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: The totals in column 5 have been adjusted from prior reports to accurately reflect certain transactions as involving indirectly owned shares, which were previously reported as having involved directly owned shares.

F8: Shares are held by The 2010 Robert D. Evans and Norma J. Evans Revocable Trust u/d/t dated November 11, 2010.

F9: Option grant vests over four years, with 25% of the shares vesting on August 1, 2016 and 1/48 vesting each month thereafter.