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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): January 21, 2026

BankUnited, Inc.
(Exact name of registrant as specified in its charter)

Delaware |  | 001-35039 |  | 27-0162450
(State of Incorporation) |  | (Commission File Number) |  | (I.R.S. Employer Identification No.)

14817 Oak Lane, | Miami Lakes, | FL |  | 33016
(Address of principal executive offices) | (Zip Code)

(Registrant’s telephone number, including area code): (305) 569-2000
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:

Class |  | Trading Symbol |  | Name of Exchange on Which Registered
Common Stock, $0.01 Par Value |  | BKU |  | New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐

Item 2.02 Results of Operations and Financial Condition.
On January 21, 2026, BankUnited, Inc. (the “Company”) reported its results for the quarter and year ended December 31, 2025. A copy of the Company’s press release containing this information and slides containing supplemental information related to this release are being furnished as Exhibit 99.1 and Exhibit 99.2, respectively, to this Current Report on Form 8-K and are incorporated herein by reference.
Item 8.01 Other Events.
On January 20, 2026, the Company's Board of Directors authorized the repurchase of up to $200 million in shares of its outstanding common stock. This authorization is in addition to $55.5 million remaining at December 31, 2025, under our previously announced and authorized share repurchase program. Any repurchases under the program will be made in accordance with applicable securities laws from time to time in open market or private transactions. The extent to which the Company repurchases shares, and the timing of such repurchases, will depend upon a variety of factors, including market conditions, the Company’s capital position and amount of retained earnings, regulatory requirements and other considerations. No time limit was set for the completion of the share repurchase program, and the program may be suspended or discontinued without prior notice at any time.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.

Exhibit Number |  | Description
99.1 |  | Press release dated | January 21, 2026
99.2 |  | Supplemental information relating to the press release dated | January 21, 2026

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SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: | January 21, 2026 | BANKUNITED, INC.
|  | /s/ James G. Mackey
|  | Name: | James G. Mackey
|  | Title: | Chief Financial Officer

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EXHIBIT INDEX

Exhibit Number |  | Description
99.1 |  | Press release dated | January 21, 2026
99.2 |  | Supplemental information relating to the press release dated | January 21, 2026

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