[Form 4] BankUnited, Inc. Insider Trading Activity

Singh Rajinder P reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Singh Rajinder P reported acquisition or exercise transactions in this Form 4 filing.

BankUnited, Inc. reported that President, CEO and Chairman Rajinder P. Singh received a grant of 33,423 restricted share units as equity compensation. Each unit represents the right to receive one share of common stock or cash equal to its fair market value at settlement.

The award was issued under the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The grant will vest in three equal installments of 11,141 units on each of December 31, 2026, December 31, 2027 and December 31, 2028. Following this award, Singh holds 81,278 restricted share units directly.

Insider Trade Summary

Grant/Award: 33,423 shares

Grant/Award 1 txn

Insider Singh Rajinder P

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Share Unit	33,423	$0.00	$0.00

Holdings After Transaction: Restricted Share Unit — 81,278 contracts (Direct)

Footnotes (2)

1. F1. 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.
2. F2. Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 11,141 units will vest on each of December 31, 2026, December 31, 2027 and December 31, 2028.

Key Figures

RSUs granted: 33,423 units RSUs after grant: 81,278 units Annual vesting tranche: 11,141 units +1 more

4 metrics

RSUs granted 33,423 units Restricted share unit grant to President and CEO on April 1, 2026

RSUs after grant 81,278 units Total restricted share units held directly by CEO following award

Annual vesting tranche 11,141 units Portion of RSU grant vesting on each of December 31, 2026, 2027, 2028

Settlement ratio 1 unit = 1 share or cash Each restricted share unit delivers one share or cash at fair market value

Key Terms

Restricted Share Unit, Omnibus Equity Incentive Plan, vest, fair market value

4 terms

Restricted Share Unit financial

"Each restricted share unit represents the right to receive, at settlement, one share of common stock or cash"

A restricted share unit (RSU) is a promise by a company to give an employee a set number of company shares at a future date, typically after meeting time or performance conditions. For investors, RSUs matter because when they convert into actual shares they increase the number of shares outstanding (like unlocking more tickets in a game), which can dilute existing holders, and they align employee incentives with company performance, influencing behavior and long-term value.

Omnibus Equity Incentive Plan financial

"Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan"

A single, company-wide plan that lets a business grant different kinds of stock-based pay — such as stock options, shares that vest over time, or other equity awards — to employees, directors and consultants. It matters to investors because it determines how much of the company can be paid out in shares, how quickly those shares enter the market, and how well employees are motivated to grow the business; think of it as a toolbox or menu for paying with ownership stakes that can dilute existing holders and affect company performance.

vest financial

"11,141 units will vest on each of December 31, 2026, December 31, 2027 and December 31, 2028"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

fair market value financial

"cash in an amount equal to the fair market value of one share of common stock"

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity award did BankUnited (BKU) CEO Rajinder P. Singh receive?

Rajinder P. Singh received a grant of 33,423 restricted share units as equity compensation. Each unit entitles him, at settlement, to one share of BankUnited common stock or cash equal to the share’s fair market value, aligning compensation with long-term shareholder interests.

How do the new restricted share units for BKU’s CEO vest over time?

The 33,423 restricted share units vest in three equal installments of 11,141 units. Vesting dates are December 31, 2026, December 31, 2027 and December 31, 2028, creating a multi-year incentive structure that encourages continued leadership and long-term performance at BankUnited.

What is the total restricted share unit holding of BKU’s CEO after this grant?

After this grant, Rajinder P. Singh holds 81,278 restricted share units directly. This figure reflects his accumulated equity-based awards, further tying a meaningful portion of his compensation to BankUnited’s future stock performance and long-term value creation for shareholders.

Under which plan were the new BankUnited (BKU) restricted share units issued?

The restricted share units were issued under the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. This plan governs the terms of equity-based compensation awards, including grants to executives, and is designed to support retention and alignment of management with shareholder outcomes over time.

What does each restricted share unit for BKU’s CEO entitle him to receive?

Each restricted share unit entitles Rajinder P. Singh to receive, at settlement, either one share of BankUnited common stock or cash equal to the fair market value of one share. This structure provides flexibility while still linking compensation directly to BankUnited’s share price performance.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 04/02/2026 - 05:18 PM EDT Learn about SEC filing dates

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

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 FLORIDA 33016

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

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
Restricted Share Unit	(1)	04/01/2026		A		33,423		(2)	(2)	Common Stock, par value $0.01 per share	33,423	$0	81,278	D

Explanation of Responses:

1. 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.

2. Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 11,141 units will vest on each of December 31, 2026, December 31, 2027 and December 31, 2028.

	/s/ Jacqueline Bravo, as Attorney-in-Fact	04/02/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)