Sec Form 4 Filing - Capriles Alberto @ Amerant Bancorp Inc. - 2024-02-16

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Capriles Alberto 2. Issuer Name and Ticker or Trading Symbol Amerant Bancorp Inc. [ AMTB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SEVP Chief Risk Officer (Last) (First) (Middle) 220 ALHAMBRA CIRCLE 3. Date of Earliest Transaction (MM/DD/YY) 02/16/2024 (Street) CORAL GABLES, FL33134 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Class A Common Stock 02/16/2024 M 5,129 A $ 0 ( 1 ) 25,512.01 ( 2 ) D Class A Common Stock 02/16/2024 M 10,863 A $ 0 ( 3 ) 36,375.01 D Class A Common Stock 02/16/2024 F 6,294 ( 4 ) D $ 22.49 30,081.01 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 Units LTI 2021 $ 0 ( 1 ) 02/16/2024 M 2,340 ( 5 ) ( 5 ) Class A Common Stock 2,340 $ 0 0 D Restricted Stock Units LTI 2022 $ 0 ( 1 ) 02/16/2024 M 1,217 ( 6 ) ( 6 ) Class A Common Stock 1,217 $ 0 1,217 D Restricted Stock Units LTI 2023 $ 0 ( 1 ) 02/16/2024 M 1,572 ( 7 ) ( 7 ) Class A Common Stock 1,572 $ 0 3,146 D Performance Based Restricted Stock Units LTI 2021 $ 0 ( 3 ) 02/16/2024 M 10,863 ( 8 ) ( 8 ) Class A Common Stock 10,863 $ 0 0 D Restricted Stock Units LTI 2024 $ 0 ( 1 ) 02/16/2024 A 6,249 ( 9 ) ( 9 ) Class A Common Stock 6,249 $ 0 6,249 D Performance Based Restricted Stock Units LTI 2024 $ 0 ( 3 ) 02/16/2024 A 9,373 ( 10 ) ( 10 ) Class A Common Stock 9,373 $ 0 9,373 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Capriles Alberto 220 ALHAMBRA CIRCLE CORAL GABLES, FL33134 SEVP Chief Risk Officer Signatures /s/ Julio V. Pena, as Attorney-in-Fact for Alberto Capriles 02/21/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock. ( 2 )Includes 428.65 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on November 30, 2023. ( 3 )Each performance-based restricted stock unit ("PSU") is the economic equivalent of one share of Class A Common Stock. ( 4 )Reflects the shares of Class A Common Stock that were surrendered in order to satisfy the reporting person's tax withholding obligation upon the vesting of RSUs and PSUs. ( 5 )On February 16, 2021, Mr. Capriles was awarded 7,019 RSUs, each representing the right to receive, following vesting, one share of Class A Common Stock. The award vests in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Mr. Capriles remains in the continuous service of the Company or a subsidiary through each such date. ( 6 )On February 16, 2022, Mr. Capriles was awarded 3,650 RSUs, each representing the right to receive, following vesting, one share of Class A Common Stock. The award vests in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Mr. Capriles remains in the continuous service of the Company or a subsidiary through each such date. ( 7 )On February 16, 2023, Mr. Capriles was awarded 4,718 RSUs, each representing the right to receive, following vesting, one share of Class A Common Stock. The award vests in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Mr. Capriles remains in the continuous service of the Company or a subsidiary through each such date. ( 8 )Represents PSUs that have vested and settled in shares of Class A Common Stock. Pursuant to the terms of the award, the total includes 150% of the original award plus shares equivalent in value to accumulated dividends. The vesting of these PSUs was based on the issuer's relative total shareholder return for the 3-year period beginning January 1, 2021 and ended on December 31, 2023. ( 9 )On February 16, 2024, Mr. Capriles was awarded 6,249 RSUs, each representing the right to receive, following vesting, one share of Class A Common Stock. The award vests in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Mr. Capriles remains in the continuous service of the Company or a subsidiary through each such date. ( 10 )PSUs awarded to Mr. Capriles, each representing the right to receive, following vesting, one share of Class A Common Stock. The actual number of PSUs earned shall be based on the achievement of the Relative Total Shareholder Return at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee for a 3-year period beginning January 1, 2024 and ending on December 31, 2026, and in general can range from 50% to 150% of the PSUs. The number reported reflects the maximum number of PSUs Mr. Capriles may earn.

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