X0508 4 2026-02-18 0 0001734342 Amerant Bancorp Inc. AMTB 0002098589 Nursey Michael E. C/O AMERANT BANCORP INC. 220 ALHAMBRA CR., 12TH FLOOR CORAL GABLES FL 33134 0 1 0 0 See remarks 0 Class A Common Stock 2026-02-18 4 M 0 666 0 A 1681 D Class A Common Stock 2026-02-18 4 F 0 187 22.38 D 1494 D Restricted Stock Units LTI 2025 0 2026-02-18 4 M 0 666 0 D Class A Common Stock 666 1334 D Each RSU is the economic equivalent of one share of Class A Common Stock. 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 18, 2025, Mr. Nursey was awarded 2,000 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. Nursey remains in the continuous service of the Company or a subsidiary through each such date. /s/ Julio Pena, as Attorney-in-Fact for Michael E. Nursey 2026-02-20