X0609 4 2026-05-07 0 0001734342 Amerant Bancorp Inc. AMTB 0001559391 Lutoff-Perlo Lisa false C/O AMERANT BANCORP INC. 220 ALHAMBRA CR CORAL GABLES FL 33134 1 0 0 0 0 Class A Common Stock 2026-05-07 4 M 0 3761 0 A 4261 D Restricted Stock Units 2025 0 2026-05-07 4 M 0 3761 0 D Class A Common Stock 3761 0 D Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock. On May 7, 2025, the reporting person was granted 3,761 RSUs. Such RSU award will vest on the first anniversary of the date of the grant, provided that the reporting person remains in continuous service of the Company as a Director through the vesting date. Each RSU represents a right to receive one share of Class A Common Stock upon vesting. /s/ Julio V. Pena, as Attorney-in-Fact for Lisa Lutoff-Perlo 2026-05-11