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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1. Name and Address of Reporting Person * SUMMIT PARTNERS L P   2. Issuer Name and Ticker or Trading Symbol FLEETCOR TECHNOLOGIES INC [FLT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Manager of GP of 10% Owner (Last) (First) (Middle) 222 BERKELEY STREET, 18TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 03/13/2012 (Street) BOSTON, MA 02116 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ 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 Common Stock 03/13/2012   S   4,000,000 (1) D $ 36.02 19,040,170 (2) I See remarks.

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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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SUMMIT PARTNERS L P 222 BERKELEY STREET 18TH FLOOR BOSTON, MA 02116				Manager of GP of 10% Owner
STAMPS WOODSUM & CO IV 222 BERKELEY STREET 18TH FLOOR BOSTON, MA 02116				Indirect GP of 10% Owner
Summit Investors Management, LLC 222 BERKELEY STREET, 18TH FLOOR BOSTON, MA 02116				Manager of GP of 10% Owner
Summit Partners PE VII, L.P. 222 BERKELEY STREET 18TH FLOOR BOSTON, MA 02116				GP of 10% Owner
Summit Partners PE VII, LLC 222 BERKELEY STREET 18TH FLOOR BOSTON, MA 02116				Indirect GP of 10% Owner
SUMMIT PARTNERS SD II LLC 222 BERKELEY STREET 18TH FLOOR BOSTON, MA 02116				GP of 10% Owner
SUMMIT PARTNERS VI GP LP 222 BERKELEY STREET 18TH FLOOR BOSTON, MA 02116				GP of 10% Owner
SUMMIT PARTNERS VI GP LLC 222 BERKELEY STREET 18TH FLOOR BOSTON, MA 02116				Indirect GP of 10% Owner
MANNION MARTIN J C/O SUMMIT PARTNERS 222 BERKELEY STREET, 18TH FLOOR BOSTON, MA 02116				Manager of GP of 10% owner

Signatures

Summit Partners, L.P., by Summit Master Company, LLC, Its General Partner, by Robin W. Devereux, Power of Attorney for Joseph F. Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Stamps, Woodsum & Co. IV, by Summit Partners, L.P., its General Partner, by Summit Master Company, LLC, its General Partner, by Robin W. Devereux, Power of Attorney for Joseph F. Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Summit Investors Management, LLC, its GP, by Summit Partners, L.P.its GP, by Summit Master Company, LLC, its GP, by Robin W. Devereux, POA for Joseph Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Summit Partners PE VII, L.P., its GP, by Summit Partners PE VII, LLC, its GP, by Summit Partners, L.P., its GP, by Summit Master Company, LLC, its GP, by Robin W. Devereux, POA for Joseph Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Summit Partners PE VII, LLC, its GP, by Summit Partners, L.P., its GP, by Summit Master Company, LLC, its GP, by Robin W. Devereux, POA for Joseph Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Summit Partners SD II, LLC, by Summit Partners, L.P., its General Partner, by Summit Master Company, LLC, its General Partner, by Robin W. Devereux, Power of Attorney for Joseph F. Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Summit Partners VI (GP), L.P., by Summit Partners VI (GP), LLC, its General Partner, by Summit Partners L.P., its General Partner, by Summit Master Company, LLC, its General Partner, by Robin W. Devereux, Power of Attorney for Joseph F. Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Summit Partners VI (GP), LLC, by Summit Partners, L.P., its General Partner, by Summit Master Company, LLC, its General Partner, by Robin W. Devereux, Power of Attorney for Joseph F. Trustey, Member		03/13/2012
**Signature of Reporting Person		Date
Robin W. Devereux, Power of Attorney for Martin J. Mannion		03/13/2012
**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)	Represents shares sold by the following entities: 2,272,957 shares of common stock sold by Summit Ventures VI-A, L.P., 947,913 shares of common stock sold by Summit Ventures VI-B, L.P., 47,271 shares of common stock sold by Summit VI Advisors Fund, L.P., 72,577 shares of common stock sold by Summit VI Entrepreneurs Fund, L.P., 19,032 shares of common stock sold by Summit Investors VI, L.P., 58,850 shares of common stock sold by Summit Subordinated Debt Fund II, L.P., 361,798 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P., 217,302 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P., 2,082 shares of common stock sold by Summit Investors I, LLC and 218 shares of common stock sold by Summit Investors I (UK), L.P.
(2)	Represents shares held by the following entities: 10,819,367 shares of common stock sold by Summit Ventures VI-A, L.P., 4,512,109 shares of common stock sold by Summit Ventures VI-B, L.P., 225,013 shares of common stock sold by Summit VI Advisors Fund, L.P., 345,470 shares of common stock sold by Summit VI Entrepreneurs Fund, L.P., 90,592 shares of common stock sold by Summit Investors VI, L.P., 280,130 shares of common stock sold by Summit Subordinated Debt Fund II, L.P., 1,722,176 shares of common stock sold by Summit Partners Private Equity Fund VII-A, L.P., 1,034,365 shares of common stock sold by Summit Partners Private Equity Fund VII-B, L.P., 9,909 shares of common stock sold by Summit Investors I, LLC and 1,039 shares of common stock sold by Summit Investors I (UK), L.P.
Remarks: The entities mentioned in Footnote 1 and 2 are collectively referred to as the "Summit Entities";  Summit Partners, L.P. is (i) the managing member of Summit Partners VI (GP), LLC, which is the general partner of Summit Partners VI (GP), L.P., which is the general partner of Summit Ventures VI-A, L.P., Summit Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P. and Summit Investors VI, L.P.; (i) the managing member of Stamps, Woodsum Co. IV,  which is the general partner of Summit Partners SD, LLC, which is the general partner of Summit Subordinated Debt Fund II, L.P. (i) the managing member of Summit Partners PE VII, LLC, which is the general partner of Summit Partners PE VII, L.P., which is the general partner of Summit Partners Private Equity Fund VII-A, L.P. and Summit Partners Private Equity Fund VII-B, L.P., and (ii) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC., and the general partner of Summit Investors I (UK), L.P. Summit Partners, L.P., through its Investment Committee, composed of Martin J. Mannion and Bruce R. Evans, has voting and dispositive authority over the shares held by each of these entities and therefore beneficially owns such shares.  Each of the Summit Entities, Mr. Mannion and Mr. Evans disclaim beneficial ownership of the shares, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the shares for the purpose of Section 16 or for any other purpose, except, in each case, to the extent of each such Reporting Person's pecuniary interest therein.

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