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 *
LEFRAK RICHARD S
   2. Issuer Name and Ticker or Trading Symbol
BankUnited, Inc. [BKU] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O BANKUNITED, INC., 14817 OAK LANE		 3. Date of Earliest Transaction (Month/Day/Year)
09/05/2012
(Street)

MIAMI LAKES, FL 33016		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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
Common Stock, par value $0.01 per share 09/05/2012   S   56,400 D $ 24.8005 (1) 999,879 I By LF Moby LLC (2)
Common Stock, par value $0.01 per share 09/06/2012   S   89,387 D $ 24.7951 (3) 910,492 I By LF Moby LLC (2)
Common Stock, par value $0.01 per share 09/07/2012   S   3,600 D $ 24.6272 (4) 906,892 I By LF Moby LLC (2)
Common Stock, par value $0.01 per share               1,000 (5) D  

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LEFRAK RICHARD S
C/O BANKUNITED, INC.
14817 OAK LANE
MIAMI LAKES, FL 33016		   X      

Signatures

 /s/ Douglas J. Pauls, as Attorney-in-Fact   09/07/2012
**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) This price represents the weighted average sale price of trades transacted at a multitude of prices ranging from $24.62 to $25.16. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the shares sold at each separate price.
(2) As described in the BankUnited, Inc. Registration Statement on Form S-1 (File No. 333-170203), the shares are held in the account of LF Moby LLC, a private investment entity over which the reporting person and his sons, Harrison T. LeFrak and James T. LeFrak, have investment discretion. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of these shares for Section 16 or for any other purpose.
(3) This price represents the weighted average sale price of trades transacted at a multitude of prices ranging from $24.57 to $24.90. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the shares sold at each separate price.
(4) This price represents the weighted average sale price of trades transacted at a multitude of prices ranging from $24.60 to $24.79. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the shares sold at each separate price.
(5) Vests one-third on each of the first, second and third anniversaries of February 15, 2012. Issued on February 15, 2012 pursuant to the BankUnited, Inc. 2010 Omnibus Equity Incentive Plan.

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