X0508 4 2026-02-18 0 0001734342 Amerant Bancorp Inc. AMTB 0001963089 Sanchez Mariola 220 ALHAMBRA CR. CORAL GABLES FL 33134 0 1 0 0 See remarks 0 Class A Common Stock 2026-02-18 4 M 0 1740 0 A 20431.61 D Class A Common Stock 2026-02-18 4 F 0 424 22.38 D 20007.61 D Restricted Stock Units LTI 2025 0 2026-02-18 4 M 0 1740 0 D Class A Common Stock 1740 3482 D Each restricted stock unit ("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, Ms. Sanchez was awarded 5,222 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 Ms. Sanchez remains in the continuous service of the Company or a subsidiary through each such date. /s/ Julio V. Pena, as Attorney-in-Fact for Mariola Sanchez 2026-02-20