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 *

Foundry Venture Capital 2007, L.P.	2. Issuer Name and Ticker or Trading Symbol

FITBIT INC [ FIT ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)	
(Last)          (First)          (Middle)

1050 WALNUT STREET, SUITE 210	3. Date of Earliest Transaction (MM/DD/YYYY)

11/18/2015		
(Street)

BOULDER, CO 80302
(City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

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

___ Form filed by One Reporting Person
_ X _ 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				
Class A Common Stock  	11/18/2015  	 	C	  	3684874  	A	  (1)	3684874  	I  	By Foundry Venture Capital 2007, L.P.   (2)	
Class A Common Stock  	11/18/2015  	 	S	  	3684874  	D	$29.00  	0  	I  	By Foundry Venture Capital 2007, L.P.   (2)	
Class A Common Stock  	11/18/2015  	 	C	  	543649  	A	  (1)	543649  	I  	By Foundry Group Select Fund, L.P.   (3)	
Class A Common Stock  	11/18/2015  	 	S	  	543649  	D	$29.00  	0  	I  	By Foundry Group Select Fund, L.P.   (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					
Class B Common Stock  	  (1)	11/18/2015  	 	C  	  	  	3684874   	  (1)	  (1)	Class A Common Stock  	3684874  	  (1)	33074016  	I  	By Foundry Venture Capital 2007, L.P.   (2)	
Class B Common Stock  	  (1)	11/18/2015  	 	C  	  	  	543649   	  (1)	  (1)	Class Common Stock  	543649  	  (1)	4879583  	I  	By Foundry Group Select Fund, L.P.   (3)	

Explanation of Responses:	
(  1) 	Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, (ii) the affirmative vote of the holders of Class B Common Stock representing not less than a majority of the outstanding shares of Class B Common Stock, or (iii) June 17, 2027.	
(  2) 	The shares are held by Foundry Venture Capital 2007, L.P. The general partner of Foundry Venture Capital 2007, L.P. is Foundry Venture 2007, LLC, which has voting and dispositive power over these shares. Brad Feld, Seth Levine, Ryan McIntyre and Jason Mendelson are the managing members of Foundry Venture 2007, LLC and share voting and dispositive power over these shares. Each of Foundry Venture 2007, LLC, Mr. Feld, Mr. Levine, Mr. McIntyre and Mr. Mendelson disclaims beneficial ownership of the shares except to the extent of his or its respective pecuniary interest therein.	
(  3) 	The shares are held by Foundry Group Select Fund, L.P. The general partner of Foundry Group Select Fund, L.P. is Foundry Select Fund GP, LLC, which has voting and dispositive power over these shares. Brad Feld, Seth Levine, Ryan McIntyre and Jason Mendelson are the managing members of Foundry Select Fund GP, LLC and share voting and dispositive power over these shares. Each of Foundry Select Fund GP, LLC, Mr. Feld, Mr. Levine, Mr. McIntyre and Mr. Mendelson disclaims beneficial ownership of the shares except to the extent of his or its respective pecuniary interest therein.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Foundry Venture Capital 2007, L.P.
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			
Foundry Group Select Fund, L.P.
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			
Foundry Venture 2007, LLC
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			
Foundry Select Fund GP, LLC
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			
FELD BRADLEY A
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			
Levine Seth
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			
MCINTYRE RYAN A
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			
MENDELSON JASON A
1050 WALNUT STREET, SUITE 210
BOULDER, CO 80302		X			

Signatures		
/s/ Brad Feld		11/20/2015	
** 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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