FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Evans Robert D.	2. Issuer Name and Ticker or Trading Symbol

Penumbra Inc [ PEN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
EVP, Gen. Counsel & Secretary	
(Last)          (First)          (Middle)

ONE PENUMBRA PLACE, 1351 HARBOR BAY PARKWAY	3. Date of Earliest Transaction (MM/DD/YYYY)

9/23/2015		
(Street)

ALAMEDA, CA 94502
(City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

 	6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned	
1.Title of Security
(Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code
(Instr. 8)	4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)	
			Code	V	Amount	(A) or (D)	Price				
Common Stock  	9/23/2015  	 	C	  	1000  	A	  (1)	1000  	D  	 	
Common Stock  	9/23/2015  	 	C	  	45937  	A	  (1)	217233   (2)	I  	By Trust   (3)	
Common Stock  	9/23/2015  	 	C	  	47022  	A	  (1)	264255   (2)	I  	By Trust   (3)	
Common Stock  	9/23/2015  	 	C	  	27041  	A	  (1)	291296   (2)	I  	By Trust   (3)	

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code
(Instr. 8)	5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	6. Date Exercisable and Expiration Date	7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)	8. Price of Derivative Security
(Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)	
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares					
Stock Option (right to buy)  	$22.04  	8/12/2015  	 	A  	  	50000   	  	  (4)	8/11/2025  	Common Stock  	50000  	$0  	50000  	D  	 	
Series B Preferred Stock  	  (1)	9/23/2015  	 	C  	  	  	1000   	  (1)	  (1)	Common Stock  	1000  	  (1)	0  	D  	 	
Series B Preferred Stock  	  (1)	9/23/2015  	 	C  	  	  	45937   	  (1)	  (1)	Common Stock  	45937  	  (1)	0  	I  	By Trust   (3)	
Series C Preferred Stock  	  (1)	9/23/2015  	 	C  	  	  	47022   	  (1)	  (1)	Common Stock  	47022  	  (1)	0  	I  	By Trust   (3)	
Series D Preferred Stock  	  (1)	9/23/2015  	 	C  	  	  	27041   	  (1)	  (1)	Common Stock  	27041  	  (1)	0  	I  	By Trust   (3)	

Explanation of Responses:	
(  1) 	The Series B, Series C and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis upon closing of the Issuer's initial public offering of Common Stock and had no expiration date.	
(  2) 	A portion of these shares is subject to vesting.	
(  3) 	Shares are held by The 2010 Robert D. Evans and Norma J. Evans Revocable Trust u/d/t dated November 11, 2010.	
(  4) 	The option was granted prior to the date on which the Reporting Person became subject to Section 16. The original option grant vests over four years, with 25% of the shares vesting on August 1, 2016 and 1/48 vesting each month thereafter and was previously reported on Form 3.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Evans Robert D.
ONE PENUMBRA PLACE
1351 HARBOR BAY PARKWAY
ALAMEDA, CA 94502			EVP, Gen. Counsel & Secretary		

Signatures		
/s/ Sukhindra Mata, as attorney-in-fact for Robert D. Evans		9/23/2015	
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).	
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
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