<SEC-DOCUMENT>0001321732-18-000128-index.html : 20181003
<SEC-HEADER>0001321732-18-000128.hdr.sgml : 20181003
<ACCEPTANCE-DATETIME>20181003204137
ACCESSION NUMBER:		0001321732-18-000128
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20181001
FILED AS OF DATE:		20181003
DATE AS OF CHANGE:		20181003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Grewal Harpreet
		CENTRAL INDEX KEY:			0001375889

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37557
		FILM NUMBER:		181106768

	MAIL ADDRESS:	
		STREET 1:		C/O VISTAPRINT USA, INCORPORATED
		STREET 2:		100 HAYDEN AVE.
		CITY:			LEXINGTON
		STATE:			MA
		ZIP:			02050

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Penumbra Inc
		CENTRAL INDEX KEY:			0001321732
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE PENUMBRA PLACE
		CITY:			ALAMEDA
		STATE:			CA
		ZIP:			94502
		BUSINESS PHONE:		(510) 995-2486

	MAIL ADDRESS:	
		STREET 1:		ONE PENUMBRA PLACE
		CITY:			ALAMEDA
		STATE:			CA
		ZIP:			94502
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_153861367847030.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_153861367847030.html

Document 1 - RAW XML: wf-form4_153861367847030.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>harpreetgrewal-poaxfex29.htm
<DESCRIPTION>HARPREET GREWAL POA
<TEXT>
Document 2 - file: harpreetgrewal-poaxfex29.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>harpreetgrewal-poaxfex29001.jpg
<DESCRIPTION>HARPREET GREWAL POWER OF ATTORNEY
<TEXT>
Document 3 - file: harpreetgrewal-poaxfex29001.jpg

</DOCUMENT>
</SEC-DOCUMENT>