Penumbra Inc — Director's Dealing 2018

Jan 18, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2018-01-16

Reporting Person: Davis Daniel Donen (See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-01-16	Common Stock	M	20500	$12.36	Acquired	54098	Direct
2018-01-16	Common Stock	S	12765	$87.51	Disposed	41333	Direct
2018-01-16	Common Stock	S	6235	$88.62	Disposed	35098	Direct
2018-01-16	Common Stock	S	4116	$89.59	Disposed	30982	Direct
2018-01-16	Common Stock	S	5534	$90.81	Disposed	25448	Direct
2018-01-16	Common Stock	S	1350	$91.19	Disposed	24098	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-01-16	Stock Option (right to buy)	$12.36	M	20500	Disposed	2025-03-22	Common Stock (20500.0)	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 $87.15 to $88.10. 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 $88.20 to $89.10. 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.

F5: This transaction was executed in multiple trades at prices ranging from $89.15 to $90.00. 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 $90.20 to $91.10. 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.

F7: This transaction was executed in multiple trades at prices ranging from $91.15 to $91.35. 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: The original option grant vests over four years, with 25% of the shares vesting on January 26, 2016 and 1/48 vesting each month thereafter.