Penumbra Inc — Director's Dealing 2017

Nov 20, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Penumbra Inc (PEN)
CIK: 0001321732
Period of Report: 2017-11-16

Reporting Person: Bose Arani (Director, Chief Innovator)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-11-16	Common Stock	S	14924	$104.76	Disposed	700815	Direct
2017-11-16	Common Stock	S	1345	$105.60	Disposed	699470	Direct
2017-11-17	Common Stock	S	3711	$102.70	Disposed	695759	Direct
2017-11-17	Common Stock	S	2000	$103.79	Disposed	693759	Direct
2017-11-17	Common Stock	S	2422	$104.48	Disposed	691337	Direct
2017-11-20	Common Stock	S	2198	$104.68	Disposed	689139	Direct
2017-11-20	Common Stock	S	5302	$105.45	Disposed	683837	Direct
2017-11-20	Common Stock	S	15234	$106.33	Disposed	668603	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	250000	Indirect
Common Stock	250000	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 $104.25 to $105.20. 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 $105.30 to $105.75. 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 $102.20 to $103.05. 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 $103.40 to $104.15. 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 $104.20 to $104.60. 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 $103.95 to $104.90. 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.

F8: This transaction was executed in multiple trades at prices ranging from $104.95 to $105.90. 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 $105.95 to $106.60. 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 Arani Bose 2009 Family Trust.

F11: Shares are held by the Shumita Bose 2009 Family Trust.