X0609 4 2026-06-02 0 0001734342 Amerant Bancorp Inc. AMTB 0001232430 KOPNISKY JACK L false C/O AMERANT BANCORP INC. 220 ALHAMBRA CR., 12TH FLOOR CORAL GABLES FL 33134 1 0 0 0 0 Restricted Stock Units 0 2026-06-02 4 A 0 2885 0 A Class A Common Stock 2885 2885 D Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock. On June 2, 2026, the reporting person was granted 2,885 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 annual meeting of the shareholders of the Company to be held in 2027 or through the first anniversary of the date of grant. 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 Jack L. Kopnisky 2026-06-04