X0508 4 2026-02-17 0 0001734342 Amerant Bancorp Inc. AMTB 0001746225 Capriles Alberto 220 ALHAMBRA CIRCLE CORAL GABLES FL 33134 0 1 0 0 SEVP Chief Risk Officer 0 Class A Common Stock 2026-02-17 4 M 0 3656 0 A 38820.79 D Class A Common Stock 2026-02-17 4 F 0 1023 22.73 D 37797.79 D Restricted Stock Units LTI 2023 0 2026-02-17 4 M 0 1573 0 D Class A Common Stock 1573 0 D Restricted Stock Units LTI 2024 0 2026-02-17 4 M 0 2083 0 D Class A Common Stock 2083 2083 D Restricted Stock Units LTI 2026 0 2026-02-17 4 A 0 6183 0 A Class A Common Stock 6183 6183 D Performance Based Restricted Stock Units LTI 2026 0 2026-02-17 4 A 0 6183 0 A Class A Common Stock 6183 6183 D Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock. Includes 436.21 and 443.29 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on May 30, 2025 and November 28, 2025, respectively. 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. 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. Since the anniversary of the date of grant was on Monday, February 16, 2026, a federal holiday, the vesting occurred on Tuesday, February 17, 2026, the next business day. 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. Since the anniversary of the date of grant was on Monday, February 16, 2026, a federal holiday, the vesting occurred on Tuesday, February 17, 2026, the next business day. On February 17, 2026, Mr. Capriles was awarded 6,183 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. Each performance-based restricted stock unit ("PSU") is the economic equivalent of one share of Class A Common Stock. 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 Adjusted Return on Average Tangible Common Equity at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee (the "Committee") further modified by the achievement of specified Threshold, Target or Maximum levels set by the Committee of Relative Total Shareholder Return for a 3-year period beginning January 1, 2026 and ending on December 31, 2028, and in general can range from 40% to 180% of the PSUs. The number reported reflects the target number of PSUs Mr. Capriles may earn. /s/ Julio V. Pena, as Attorney-in-Fact for Alberto Capriles 2026-02-19