BankUnited (NYSE: BKU) CEO exercises 189,876 units and returns shares to issuer

Rhea-AI Filing Summary

BankUnited, Inc. President and CEO Rajinder P. Singh exercised equity awards and returned shares to the company. On March 9, 2026, he exercised 125,012 performance share units and 64,864 restricted share units, receiving the same number of common shares at an exercise price of $0.00 per share.

He then disposed of 189,876 common shares back to the issuer at $44.76 per share. Following these transactions, he directly holds 280,407 common shares and 47,855 restricted share units, with no remaining performance share units outstanding.

Insights

Equity compensation and governance analyst

CEO exercised 189,876 units, then returned the same number of shares to BankUnited.

BankUnited’s President and CEO Rajinder P. Singh converted 125,012 performance share units and 64,864 restricted share units into common stock at $0.00 per share. These awards were previously granted equity compensation that vested by December 31, 2025, as described in the footnotes.

He then disposed of 189,876 common shares to the issuer at $44.76 per share, leaving 280,407 common shares and 47,855 restricted share units directly held after the transactions. With the derivativeSummary showing no remaining units, this filing reflects a significant settlement and share return rather than an open‑market trade, and its impact depends on broader context not visible here.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Singh Rajinder P

(Last) (First) (Middle)

C/O BANKUNITED, INC

14817 OAK LANE

(Street)

MIAMI LAKES FL 33016

(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)

X	Director		10% Owner
X	Officer (give title below)	X	Other (specify below)
	President and CEO		Chairman of the Board

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

4. If Amendment, Date of 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

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	03/09/2026		M		125,012	A	$0(1)	405,419	D
Common Stock, par value $0.01 per share	03/09/2026		M		64,864	A	$0(2)	470,283	D
Common Stock, par value $0.01 per share	03/09/2026		D		189,876	D	$44.76	280,407	D

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
Performance Share Unit	(1)	03/09/2026		M			125,012	(3)	(3)	Common Stock, par value $0.01 per share	125,012	$0	0	D
Restricted Share Unit	(2)	03/09/2026		M			64,864	(4)	(4)	Common Stock, par value $0.01 per share	64,864	$0	47,855	D

Explanation of Responses:

1. Each 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. Each restricted 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.

3. 125,012 performance share units vested on December 31, 2025 and are fully vested.

4. 31,952 restricted share units that vested on December 31, 2025 were granted under the BankUnited, Inc. 2014 Omnibus Equity Incentive Plan. The units granted under the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan include 32,912 units that vested on December 31, 2025; 32,912 units that will vest on December 31, 2026; and 14,943 units that will vest on December 31, 2027.

	/s/ Jacqueline Bravo, as Attorney-in-Fact	03/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did BankUnited (BKU) report for CEO Rajinder P. Singh?

BankUnited reported that CEO Rajinder P. Singh exercised 125,012 performance share units and 64,864 restricted share units into common stock, then disposed of 189,876 common shares back to the company at $44.76 per share on March 9, 2026.

How many BankUnited (BKU) shares does the CEO hold after this Form 4?

After the reported transactions, CEO Rajinder P. Singh directly holds 280,407 shares of BankUnited common stock and 47,855 restricted share units. All reported performance share units were fully exercised, leaving no remaining performance share units outstanding in this filing.

Were the BankUnited (BKU) CEO’s transactions open-market buys or sells?

The transactions were not open-market trades. They involved exercising performance and restricted share units at $0.00 per share, followed by a disposition of 189,876 common shares to the issuer at $44.76 per share, coded as a disposition to issuer (D), not an open-market sale.

What equity awards did the BankUnited (BKU) CEO exercise in this Form 4?

The CEO exercised 125,012 performance share units and 64,864 restricted share units into an equal number of BankUnited common shares at no exercise price. Footnotes state these units had vested by December 31, 2025 under the company’s omnibus equity incentive plans.

What is the significance of the $44.76 price on the BankUnited (BKU) Form 4?

The $44.76 price is the per-share value for the CEO’s disposition of 189,876 common shares back to BankUnited. It reflects the value used in the issuer disposition transaction and does not represent an exercise price, which was $0.00 for the equity award conversions.

Did the BankUnited (BKU) CEO retain a significant equity position after these transactions?

Yes. Following the exercise and disposition activity, CEO Rajinder P. Singh continues to hold 280,407 common shares and 47,855 restricted share units of BankUnited directly, indicating he maintains a substantial equity stake even after returning shares to the issuer.