Statement of Changes in Beneficial Ownership (4)

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

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3235-0287

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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 * LUNAK LESLIE	2. Issuer Name and Ticker or Trading Symbol BankUnited, Inc. [ BKU ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Chief Financial Officer
(Last)          (First)          (Middle) C/O BANKUNITED, INC., 14817 OAK LANE	3. Date of Earliest Transaction (MM/DD/YYYY) 3/13/2020
(Street) MIAMI LAKES, FL 33016 (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
Common Stock, par value $0.01 per share	3/13/2020		M		15988	A	$23.01	70608	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
Restricted Stock Unit	(1)	3/13/2020		M			7676	(2)	(2)	Common Stock, par value $0.01 per share	7676	$0.00	9585	D
Performance Share Unit	(1)	3/13/2020		M			8312	(3)	(3)	Common Stock, par value $0.01 per share	8312	$0.00	0	D

Explanation of Responses:
(1)	Each restricted stock unit and performance share unit represents the right to receive, at settlement, one share of common stock or cash in an amount equal to the fair market value of one share of common stock.
(2)	Issued pursuant to the terms of the BankUnited, Inc. 2014 Omnibus Equity Incentive Plan. 7,676 units vested on December 31, 2019, 4,904 units will vest on December 31, 2020, 2,340 units will vest on December 31, 2021, and 2,341 units will vest on December 31, 2022.
(3)	8,312 performance share units vested on December 31, 2019 and are fully vested.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LUNAK LESLIE C/O BANKUNITED, INC. 14817 OAK LANE MIAMI LAKES, FL 33016			Chief Financial Officer

Signatures
/s/ Susan Greenfield, Attorney-in-Fact		3/17/2020
**Signature of Reporting Person		Date