SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
X	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Carlyle Group Management L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE. NW, SUITE 220S (Street) WASHINGTON DC 20004 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol BankUnited, Inc. [ BKU ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 03/13/2013
	4. If Amendment, Date of 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

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	03/13/2013		S		4,810,000	D	$24.745	8,911,131	I	See footnotes(1)(2)(3)(4)

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 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: 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

1. Name and Address of Reporting Person* Carlyle Group Management L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE. NW, SUITE 220S (Street) WASHINGTON DC 20004 (City) (State) (Zip)

1. Name and Address of Reporting Person* Carlyle Group L.P. (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE. NW, SUITE 220S (Street) WASHINGTON DC 20004 (City) (State) (Zip)

1. Name and Address of Reporting Person* Carlyle Holdings II GP L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE. NW, SUITE 220S (Street) WASHINGTON DC 20004 (City) (State) (Zip)

1. Name and Address of Reporting Person* Carlyle Holdings II L.P. (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE. NW, SUITE 220S (Street) WASHINGTON DC 20004 (City) (State) (Zip)

1. Name and Address of Reporting Person* TC Group Cayman Investment Holdings, L.P. (Last) (First) (Middle) C/O WALKER CORPORATE SERVICES LIMITED 190 ELGIN AVENUE (Street) GEORGE TOWN, GRAND CAYMAN KY1-9001 (City) (State) (Zip)

1. Name and Address of Reporting Person* TC Group Cayman Investment Holdings Sub L.P. (Last) (First) (Middle) C/O WALKER CORPORATE SERVICES LIMITED 190 ELGIN AVENUE (Street) GEORGE TOWN, GRAND CAYMAN KY1-9001 (City) (State) (Zip)

Explanation of Responses:

1. Consists of 3,996,023 shares of common stock held by Carlyle Financial Services BU, L.P., 888,211 shares of common stock held by Carlyle Strategic Partners II, L.P., 30,874 shares of common stock held by CSP II Coinvestment, L.P., 3,760,985 shares of common stock held by Carlyle Partners V, L.P., 151,048 shares of common stock held by CP V Coinvestment A, L.P., 8,321 shares of common stock held by CP V Coinvestment B, L.P. and 75,669 shares of common stock held of record by Carlyle Partners V-A, L.P.

2. Carlyle Group Management L.L.C. is the general partner of The Carlyle Group L.P., which is a publicly traded entity listed on NASDAQ. The Carlyle Group L.P. is the managing member of Carlyle Holdings II GP L.L.C., which is the general partner of Carlyle Holdings II L.P., which is the general partner of TC Group Cayman Investment Holdings, L.P., which is the general partner of TC Group Cayman Investment Holdings Sub L.P., which is the managing member of TC Group V, L.L.C., which is the general partner of TC Group V, L.P., which is the general partner of each of Carlyle Partners V, L.P., CP V Coinvestment A, L.P., CP V Coinvestment B, L.P. and Carlyle Partners V-A, L.P.

3. TC Group Cayman Investment Holdings Sub L.P. is also the sole shareholder of Carlyle Financial Services, Ltd., which is the general partner of TCG Financial Services, L.P., which is the general partner of Carlyle Financial Services BU, L.P. Accordingly, Carlyle Group Management L.L.C., The Carlyle Group L.P., Carlyle Holdings II GP L.L.C., Carlyle Holdings II L.P., TC Group Cayman Investment Holdings, L.P., TC Group Cayman Investment Holdings Sub L.P., TC Group V, L.L.C., TC Group V, L.P., Carlyle Financial Services, Ltd. and TCG Financial Services, L.P. may be deemed to share beneficial ownership of the shares of Common Stock owned of record by Carlyle Partners V, L.P., CP V Coinvestment A, L.P., CP V Coinvestment B, L.P., Carlyle Partners V-A, L.P. and Carlyle Financial Services BU.

4. The Carlyle Group L.P. is also the sole shareholder of Carlyle Holdings I GP Inc., which is the managing member of Carlyle Holdings I GP Sub L.L.C., which is the general partner of Carlyle Holdings I L.P., which is the managing member of TC Group, L.L.C., which is the general partner of TC Group Sub L.P., which is the managing member of TC Group CSP II, L.L.C., which is the general partner of CSP II General Partner, L.P., which is the general partner of each of Carlyle Strategic Partners II, L.P. and CSP II Coinvestment, L.P. Accordingly, Carlyle Group Management L.L.C. and each of the entities mentioned in this footnote may be deemed to share beneficial ownership of the shares of Common Stock owned of record by Carlyle Strategic Partners II, L.P. and CSP II Coinvestment, L.P.

Remarks:

Due to the limitations of the electronic filing system, each of (i) TC Group V, L.L.C., TC Group V, L.P., Carlyle Partners V, L.P., CP V Coinvestment A, L.P., CP V Coinvestment B, L.P., Carlyle Partners V-A, L.P., Carlyle Financial Services, Ltd., TCG Financial Services, L.P. and Carlyle Financial Services BU, L.P., and (ii) Carlyle Holdings I GP Inc., Carlyle Holdings I GP Sub L.L.C., Carlyle Holdings I L.P., TC Group, L.L.C., TC Group Sub L.P., TC Group CSP II, L.L.C., CSP II General Partner, L.P., Carlyle Strategic Partners II, L.P. and CSP II Coinvestment, L.P. are filing a separate Form 4.

	CARLYLE GROUP MANAGEMENT L.L.C. By: /s/ R. Rainey Hoffman, attorney-in-fact for Daniel D?Aniello, Chairman	03/15/2013
	THE CARLYLE GROUP L.P. By: Carlyle Group Management L.L.C., its general partner By: /s/ R. Rainey Hoffman, attorney-in-fact for Daniel D?Aniello, Chairman	03/15/2013
	CARLYLE HOLDINGS II GP L.L.C. By: The Carlyle Group L.P., its managing member By: Carlyle Group Management L.L.C., its general partner By: /s/ R. Rainey Hoffman, attorney-in-fact for Daniel D?Aniello, Chairman	03/15/2013
	CARLYLE HOLDINGS II L.P. By: /s/ R. Rainey Hoffman, attorney-in-fact for Daniel D?Aniello, Chairman	03/15/2013
	TC GROUP CAYMAN INVESTMENT HOLDINGS, L.P. By: Carlyle Holdings II L.P., its general partner By: /s/ R. Rainey Hoffman, attorney-in-fact for Daniel D?Aniello, Chairman	03/15/2013
	TC GROUP CAYMAN INVESTMENT HOLDINGS SUB L.P. By: TC Group Cayman Investment Holdings, L.P., its general partner By: Carlyle Holdings II L.P., its general partner By: /s/ R. Rainey Hoffman, attorney-in-fact for Daniel D?Aniello, Chairman	03/15/2013
	** 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).
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