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
                                                                                  	OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response... 0.5	
                      	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 *

MISSAN ANDY	2. Issuer Name and Ticker or Trading Symbol

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

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

C/O FITBIT, INC., 199 FREMONT STREET, 14TH FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY)

2/1/2018		
(Street)

SAN FRANCISCO, CA 94105
(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				
Class A Common Stock  	2/1/2018  	 	C (1)	  	5000  	A	  (2)	125127  	D  	 	
Class A Common Stock  	2/1/2018  	 	S (1)	  	5000   (3)	D	$5.167   (4)	120127  	D  	 	

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					
Employee Stock Option (Right to Buy)  	$.2767  	2/1/2018  	 	M   (1)	  	  	5000   	  (5)	3/27/2023  	Class B Common Stock  	5000  	$0  	255175  	D  	 	
Class B Common Stock  	  (2)	2/1/2018  	 	M   (1)	  	5000   	  	  (2)	  (2)	Class A Common Stock  	5000  	  (2)	5000  	D  	 	
Class B Common Stock  	  (2)	2/1/2018  	 	C   (1)	  	  	5000   	  (2)	  (2)	Class A Common Stock  	5000  	  (2)	0  	D  	 	

Explanation of Responses:	
(1) 	The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.	
(2) 	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.	
(3) 	Represents the aggregate of sales effected on the same day at different prices.	
(4) 	Represents the weighted average sales price per share. The shares sold at prices ranging from $5.10 to $5.24 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.	
(5) 	The option vested as to 1/4th of the total number of shares on March 26, 2014, and thereafter vested and shall continue to vest as to 1/48th of the total number of shares in equal monthly installments.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
MISSAN ANDY
C/O FITBIT, INC.
199 FREMONT STREET, 14TH FLOOR
SAN FRANCISCO, CA 94105			EVP, General Counsel, Sect.		

Signatures		
/s/ Juliana Chen, attorney-in-fact		2/5/2018	
** 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.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.