X0508 4 2026-02-17 0 0001734342 Amerant Bancorp Inc. AMTB 0001806810 Iafigliola Carlos 220 ALHAMBRA CIRCLE CORAL GABLES FL 33134 0 1 0 0 See remarks 0 Class A Common Stock 2026-02-17 4 M 0 3942 0 A 19905.61 D Class A Common Stock 2026-02-17 4 F 0 960 22.73 D 18945.61 D Restricted Stock Units LTI 2023 0 2026-02-17 4 M 0 1608 0 D Class A Common Stock 1608 0 D Restricted Stock Units LTI 2024 0 2026-02-17 4 M 0 2334 0 D Class A Common Stock 2334 2335 D Restricted Stock Units LTI 2026 0 2026-02-17 4 A 0 14023 0 A Class A Common Stock 14023 14023 D Performance Based Restricted Stock Units LTI 2026 0 2026-02-17 4 A 0 14023 0 A Class A Common Stock 14023 14023 D Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock. Includes 130.86 and 132.98 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. Iafigliola was awarded 4,822 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. Iafigliola 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. Iafigliola was awarded 7,003 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. Iafigliola 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. Iafigliola was awarded 14,023 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. Iafigliola 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. Iafigliola, 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. Iafigliola may earn. SEVP, Interim Chief Executive Officer /s/ Julio V. Pena, as Attorney-in-Fact for Carlos Iafigliola 2026-02-19