Ownership Submission
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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
McPhail Steven
   2. Issuer Name and Ticker or Trading Symbol
FLUIDIGM CORP [FLDM] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Commercial Officer
(Last)
(First)
(Middle)
C/O FLUIDIGM CORPORATION, 7000 SHORELINE COURT, SUITE 100		 3. Date of Earliest Transaction (Month/Day/Year)
09/20/2017
(Street)

SOUTH SAN FRANCISCO, CA 94080		 4. If Amendment, Date Original Filed(Month/Day/Year)
09/22/2017		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(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) $ 25.23 09/20/2017   D     31,000   (1) 05/21/2025 Common Stock 31,000 (2) 0 D  
Employee Stock Option (Right to Buy) $ 5.13 09/20/2017   A   7,127     (3) 09/20/2027 Common Stock 7,127 (2) 7,127 D  
Employee Stock Option (Right to Buy) $ 7.1 09/20/2017   D     13,500   (4) 03/04/2026 Common Stock 13,500 (5) 0 D  
Employee Stock Option (Right to Buy) $ 5.13 09/20/2017   A   8,941     (3)   (6) Common Stock 8,941 (5) 8,941 D  
Employee Stock Option (Right to Buy) $ 6.16 09/20/2017   D     51,375   (7) 02/13/2027 Common Stock 51,375 (8) 0 D  
Employee Stock Option (Right to Buy) $ 5.13 09/20/2017   A   36,697     (3)   (6) Common Stock 36,697 (8) 36,697 D  
Employee Stock Option (Right to Buy) $ 7.1 09/20/2017   D     6,750   (4) 03/04/2026 Common Stock 6,750 (9) 0 D  
Employee Stock Option (Right to Buy) $ 5.13 09/20/2017   A   4,471     (3)   (6) Common Stock 4,471 (9) 4,471 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
McPhail Steven
C/O FLUIDIGM CORPORATION
7000 SHORELINE COURT, SUITE 100
SOUTH SAN FRANCISCO, CA 94080		       Chief Commercial Officer  

Signatures

 /s/ Steven McPhail by Nicholas Khadder, Attorney-in-Fact   04/03/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The Option provided for vesting of 12/48th of the total number of shares subject to the Option on May 7, 2016 and thirty-six equal monthly installments beginning on June 7, 2017.
(2) On September 20, 2017, the Issuer cancelled, pursuant to the Issuer's option exchange program, an Option for 31,000 shares of FLDM common stock granted to the Reporting Person on May 21, 2015. In exchange, the Reporting Person received a replacement Option, for 7,127 shares, having an exercise price of $5.13 per share.
(3) 1/12th of the total number of shares underlying the Option will vest on February 20, 2018, and 1/12th of the total number of shares underlying the Option granted will vest every three months thereafter until fully vested, subject to the Reporting Person's continued status as a Service Provider as defined in the Company's 2011 Equity Incentive Plan through the applicable vest date.
(4) The Option provided for vesting in forty-eight equal monthly installments beginning on February 1, 2016.
(5) On September 20, 2017, the Issuer cancelled, pursuant to the Issuer's option exchange program, an Option for 13,500 shares of FLDM common stock granted to the Reporting Person on March 4, 2016. In exchange, the Reporting Person received a replacement Option, for 8,941 shares, having an exercise price of $5.13 per share.
(6) The Option expiration date is September 20, 2027.
(7) The Option provided for vesting in forty-eight equal monthly installments beginning on February 1, 2017.
(8) On September 20, 2017, the Issuer cancelled, pursuant to the Issuer's option exchange program, an Option for 51,375 shares of FLDM common stock granted to the Reporting Person on February 13, 2017. In exchange, the Reporting Person received a replacement Option, for 36,697 shares, having an exercise price of $5.13 per share.
(9) On September 20, 2017, the Issuer cancelled, pursuant to the Issuer's option exchange program, an Option for 6,750 shares of FLDM common stock granted to the Reporting Person on March 4, 2016. In exchange, the Reporting Person received a replacement Option, for 4,471 shares, having an exercise price of $5.13 per share.

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