<SEC-DOCUMENT>0001193125-15-307396-index.html : 20151016
<SEC-HEADER>0001193125-15-307396.hdr.sgml : 20151016

<ACCEPTANCE-DATETIME>20150831060510

<PRIVATE-TO-PUBLIC>

ACCESSION NUMBER:		0001193125-15-307396

CONFORMED SUBMISSION TYPE:	S-1/A

PUBLIC DOCUMENT COUNT:		20

FILED AS OF DATE:		20150831

DATE AS OF CHANGE:		20150917


FILER:


	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



	FILING VALUES:

		FORM TYPE:		S-1/A

		SEC ACT:		1933 Act

		SEC FILE NUMBER:	333-206412

		FILM NUMBER:		151083439



	BUSINESS ADDRESS:	

		STREET 1:		1351 HARBOR BAY PARKWAY

		CITY:			ALAMEDA

		STATE:			CA

		ZIP:			94502

		BUSINESS PHONE:		(510) 748-3251



	MAIL ADDRESS:	

		STREET 1:		1351 HARBOR BAY PARKWAY

		CITY:			ALAMEDA

		STATE:			CA

		ZIP:			94502



</SEC-HEADER>

<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>d923792ds1a.htm
<DESCRIPTION>AMENDMENT NO. 1 TO FORM S-1
<TEXT>
Document 1 - file: d923792ds1a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.18
<SEQUENCE>2
<FILENAME>d923792dex1018.htm
<DESCRIPTION>EX-10.18
<TEXT>
Document 2 - file: d923792dex1018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.20
<SEQUENCE>3
<FILENAME>d923792dex1020.htm
<DESCRIPTION>EX-10.20
<TEXT>
Document 3 - file: d923792dex1020.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>d923792dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: d923792dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g923792g07k32.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g923792g07k32.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g923792g09m51.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g923792g09m51.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g923792g22q56.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g923792g22q56.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g923792g36f76.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g923792g36f76.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g923792g47d02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g923792g47d02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g923792g52i76.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g923792g52i76.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g923792g52x14.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g923792g52x14.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g923792g57t30.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g923792g57t30.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g923792g60a08.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g923792g60a08.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g923792g65f54.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g923792g65f54.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g923792g69x68.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g923792g69x68.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g923792g84m45.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g923792g84m45.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g923792g95w47.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g923792g95w47.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g923792g98k18.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g923792g98k18.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g923792g99m70.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g923792g99m70.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>21
<FILENAME>filename21.htm
<TEXT>
Document 21 - file: filename21.htm

</DOCUMENT>
</SEC-DOCUMENT>