BKU

SEC source: 0001504008-26-000083 · form4.xml · derivative · entry 3

Mackey James G. · CIK 0001591838 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,731

Underlying: Common Stock, par value $0.01 per share · 8,937 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 8,937 units vested on August 20, 2026, 8,936 units will vest on August 20, 2027, and 8,937 will vest on August 20, 2028.

F3 · derivative.expiration_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 8,937 units vested on August 20, 2026, 8,936 units will vest on August 20, 2027, and 8,937 will vest on August 20, 2028.

SEC source: 0001504008-26-000083 · form4.xml · nonDerivative · entry 2

Mackey James G. · CIK 0001591838 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,420

F1 · kind: Shares of BankUnited, Inc. common stock withheld by the Issuer to satisfy the tax withholding obligation of the reporting person arising from the vesting of restricted shares on August 20, 2026. These shares were not sold by the reporting person but were instead withheld from the total number of vested shares received by the reporting person from the Issuer.

SEC source: 0001504008-26-000083 · form4.xml · nonDerivative · entry 1

Mackey James G. · CIK 0001591838 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,937

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001504008-26-000081 · form4.xml · nonDerivative · entry 1

PAULS DOUGLAS J · CIK 0001221213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,472

F1 · shares: Reflects the sale of 3,000 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended.

SEC source: 0001504008-26-000071 · form4.xml · nonDerivative · entry 1

Richards Jay D. · CIK 0001782227 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,502

F1 · shares: Reflects the sale of 4,000 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended.

SEC source: 0001504008-26-000069 · form4.xml · nonDerivative · entry 1

DiGiacomo John N. · CIK 0001751366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,027

F1 · balance_after: Includes 500 shares held in a joint account with the reporting person's spouse.

SEC source: 0001504008-26-000063 · form4.xml · nonDerivative · entry 1

PAULS DOUGLAS J · CIK 0001221213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,472

F1 · shares: Reflects 2,267 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000065 · form4.xml · nonDerivative · entry 1

Rubenstein William S. · CIK 0001715394 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,545

F1 · shares: Reflects 1,511 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000061 · form4.xml · nonDerivative · entry 1

DiGiacomo John N. · CIK 0001751366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,027

F1 · shares: Reflects 1,511 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000059 · form4.xml · nonDerivative · entry 1

Blanca Tere · CIK 0001586848 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,327

F1 · shares: Reflects 1,511 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000057 · form4.xml · nonDerivative · entry 1

Smith-Baugh Germaine · CIK 0001977319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,998

F1 · shares: Reflects 1,511 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000055 · form4.xml · nonDerivative · entry 1

SOBTI SANJIV · CIK 0001608358 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,327

F1 · shares: Reflects 1,511 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000053 · form4.xml · nonDerivative · entry 1

DOWLING MICHAEL J. · CIK 0001578319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,327

F1 · shares: Reflects 1,511 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000051 · form4.xml · nonDerivative · entry 1

Wines Lynne · CIK 0001650839 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,327

F1 · shares: Reflects 1,511 restricted shares issued pursuant to the terms of the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001504008-26-000031 · form4.xml · derivative · entry 1

Cornish Thomas M. · CIK 0001634049 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,844

Underlying: Common Stock, par value $0.01 per share · 14,740 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 4,913 units will vest on December 31, 2026; 4,914 on December 31, 2027; and 4,913 on December 31, 2028.

F2 · derivative.expiration_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 4,913 units will vest on December 31, 2026; 4,914 on December 31, 2027; and 4,913 on December 31, 2028.

SEC source: 0001504008-26-000029 · form4.xml · derivative · entry 1

Bansal Rishi · CIK 0001699667 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,132

Underlying: Common Stock, par value $0.01 per share · 8,690 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 2,897 units will vest on December 31, 2026; 2,896 on December 31, 2027; and 2,897 on December 31, 2028.

F2 · derivative.expiration_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 2,897 units will vest on December 31, 2026; 2,896 on December 31, 2027; and 2,897 on December 31, 2028.

SEC source: 0001504008-26-000027 · form4.xml · derivative · entry 1

Mackey James G. · CIK 0001591838 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,668

Underlying: Common Stock, par value $0.01 per share · 8,858 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 2,953 units will vest on December 31, 2026; 2,952 on December 31, 2027; and 2,953 on December 31, 2028.

F2 · derivative.expiration_date: Issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. 2,953 units will vest on December 31, 2026; 2,952 on December 31, 2027; and 2,953 on December 31, 2028.

SEC source: 0001504008-26-000025 · form4.xml · derivative · entry 1

Singh Rajinder P · CIK 0001510616 · Director · President and CEO · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,278

Underlying: Common Stock, par value $0.01 per share · 33,423 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001504008-26-000023 · form4.xml · derivative · entry 5

Cornish Thomas M. · CIK 0001634049 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,104

Underlying: Common Stock, par value $0.01 per share · 28,604 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: 14,090 restricted share units 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 14,514 units that vested on December 31, 2025; 14,514 units that will vest on December 31, 2026; and 6,590 units that will vest on December 31, 2027.

F5 · derivative.expiration_date: 14,090 restricted share units 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 14,514 units that vested on December 31, 2025; 14,514 units that will vest on December 31, 2026; and 6,590 units that will vest on December 31, 2027.

SEC source: 0001504008-26-000023 · form4.xml · derivative · entry 4

Cornish Thomas M. · CIK 0001634049 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.01 per share · 55,132 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: 55,132 performance share units vested on December 31, 2025 and are fully vested.

F4 · derivative.expiration_date: 55,132 performance share units vested on December 31, 2025 and are fully vested.

SEC source: 0001504008-26-000023 · form4.xml · nonDerivative · entry 3

Cornish Thomas M. · CIK 0001634049 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

F3 · balance_after: Shares held in a joint account with the reporting person's spouse.

SEC source: 0001504008-26-000023 · form4.xml · nonDerivative · entry 2

Cornish Thomas M. · CIK 0001634049 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,736

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

SEC source: 0001504008-26-000023 · form4.xml · nonDerivative · entry 1

Cornish Thomas M. · CIK 0001634049 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,132

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001504008-26-000022 · form4.xml · derivative · entry 5

Bansal Rishi · CIK 0001699667 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,442

Underlying: Common Stock, par value $0.01 per share · 16,866 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: 8,308 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 8,558 units that vested on December 31, 2025; 8,557 units that will vest on December 31, 2026; and 3,885 units that will vest on December 31, 2027.

F4 · derivative.expiration_date: 8,308 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 8,558 units that vested on December 31, 2025; 8,557 units that will vest on December 31, 2026; and 3,885 units that will vest on December 31, 2027.

SEC source: 0001504008-26-000022 · form4.xml · derivative · entry 4

Bansal Rishi · CIK 0001699667 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.01 per share · 32,504 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 32,504 performance share units vested on December 31, 2025 and are fully vested.

F3 · derivative.expiration_date: 32,504 performance share units vested on December 31, 2025 and are fully vested.

SEC source: 0001504008-26-000022 · form4.xml · nonDerivative · entry 3

Bansal Rishi · CIK 0001699667 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,327

SEC source: 0001504008-26-000022 · form4.xml · nonDerivative · entry 2

Bansal Rishi · CIK 0001699667 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,697

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

SEC source: 0001504008-26-000022 · form4.xml · nonDerivative · entry 1

Bansal Rishi · CIK 0001699667 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,831

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001504008-26-000021 · form4.xml · derivative · entry 5

Singh Rajinder P · CIK 0001510616 · Director · President and CEO · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,855

Underlying: Common Stock, par value $0.01 per share · 64,864 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

SEC source: 0001504008-26-000021 · form4.xml · derivative · entry 4

Singh Rajinder P · CIK 0001510616 · Director · President and CEO · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.01 per share · 125,012 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 125,012 performance share units vested on December 31, 2025 and are fully vested.

F3 · derivative.expiration_date: 125,012 performance share units vested on December 31, 2025 and are fully vested.

SEC source: 0001504008-26-000021 · form4.xml · nonDerivative · entry 3

Singh Rajinder P · CIK 0001510616 · Director · President and CEO · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,407

SEC source: 0001504008-26-000021 · form4.xml · nonDerivative · entry 2

Singh Rajinder P · CIK 0001510616 · Director · President and CEO · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 470,283

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

SEC source: 0001504008-26-000021 · form4.xml · nonDerivative · entry 1

Singh Rajinder P · CIK 0001510616 · Director · President and CEO · Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405,419

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001504008-26-000017 · form4.xml · nonDerivative · entry 1

Malcolm Kevin A. · CIK 0001825119 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,500

F1 · shares: Reflects the sale of 3,447 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended.

SEC source: 0001504008-26-000014 · form4.xml · nonDerivative · entry 2

Malcolm Kevin A. · CIK 0001825119 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,947

F2 · kind: Shares of BankUnited, Inc. common stock withheld by the Issuer to satisfy the tax withholding obligation of the reporting person arising from the vesting of restricted shares on March 1, 2026. These shares were not sold by the reporting person but were instead withheld from the total number of vested shares received by the reporting person from the Issuer.

SEC source: 0001504008-26-000014 · form4.xml · nonDerivative · entry 1

Malcolm Kevin A. · CIK 0001825119 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,250

F1 · shares: Reflects 4,000 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of March 1, 2026, and will vest over a four-year period on each of the four anniversaries from the date of grant, subject to the reporting person's continued service through the vesting date.

SEC source: 0001504008-26-000015 · form4.xml · nonDerivative · entry 2

Richards Jay D. · CIK 0001782227 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,502

F2 · kind: Shares of BankUnited, Inc. common stock withheld by the Issuer to satisfy the tax withholding obligation of the reporting person arising from the vesting of restricted shares on March 1, 2026. These shares were not sold by the reporting person but were instead withheld from the total number of vested shares received by the reporting person from the Issuer.

SEC source: 0001504008-26-000015 · form4.xml · nonDerivative · entry 1

Richards Jay D. · CIK 0001782227 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,687

F1 · shares: Reflects 14,000 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of March 1, 2026, and will vest over a four-year period on each of the four anniversaries from the date of grant, subject to the reporting person's continued service through the vesting date.

SEC source: 0001504008-26-000006 · form4.xml · nonDerivative · entry 1

SOBTI SANJIV · CIK 0001608358 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,816

F1 · shares: Reflects the sale of 5,000 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended.

F2 · price: The shares were sold in multiple transactions on February 9, 2026 at actual sale prices ranging from $50.79 to $50.96 per share. The price reported reflects the weighted average sale price for the transactions. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001504008-26-000004 · form4.xml · nonDerivative · entry 1

Richards Jay D. · CIK 0001782227 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,687

F1 · shares: Reflects the sale of 3,506 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended.

SEC source: 0001127602-25-019739 · form4.xml · nonDerivative · entry 1

Richards Jay D. · CIK 0001782227 · Officer of Subsidiary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,193

F1 · shares: Reflects the sale of 3,942 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended.

SEC source: 0001127602-25-019743 · form4.xml · nonDerivative · entry 1

PAULS DOUGLAS J · CIK 0001221213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,205

F1 · shares: Reflects the sale of 3,500 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended.

SEC source: 0001127602-25-015898 · form4.xml · nonDerivative · entry 1

DiGiacomo John N. · CIK 0001751366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,516

F1 · balance_after: Includes 500 shares held in a joint account with the reporting person's spouse.

SEC source: 0001127602-25-015718 · form4.xml · nonDerivative · entry 1

PAULS DOUGLAS J · CIK 0001221213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,705

F1 · shares: Reflects 3,051 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 22, 2025, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001127602-25-015720 · form4.xml · nonDerivative · entry 1

DOWLING MICHAEL J. · CIK 0001578319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,816

F1 · shares: Reflects 2,034 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 22, 2025, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001127602-25-015719 · form4.xml · nonDerivative · entry 1

SOBTI SANJIV · CIK 0001608358 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,816

F1 · shares: Reflects 2,034 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 22, 2025, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001127602-25-015715 · form4.xml · nonDerivative · entry 1

Smith-Baugh Germaine · CIK 0001977319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,487

F1 · shares: Reflects 2,034 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 22, 2025, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001127602-25-015710 · form4.xml · nonDerivative · entry 1

Rubenstein William S. · CIK 0001715394 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,316

F1 · shares: Reflects 2,034 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 22, 2025, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001127602-25-015705 · form4.xml · nonDerivative · entry 1

Blanca Tere · CIK 0001586848 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,816

F1 · shares: Reflects 2,034 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 22, 2025, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.

SEC source: 0001127602-25-015704 · form4.xml · nonDerivative · entry 1

Wines Lynne · CIK 0001650839 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,816

F1 · shares: Reflects 2,034 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 22, 2025, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of shareholders, subject to the reporting person's continued service as a director through the vesting date.