X0508 4 2025-11-18 0 0001734342 Amerant Bancorp Inc. AMTB 0002045314 Smith Braden 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 2025-11-18 4 M 0 2000 0 A 2872.424 D Class A Common Stock 2025-11-18 4 F 0 787 17.10 D 2085.424 D Restricted Stock Units 0 2025-11-18 4 M 0 2000 0 D Class A Common Stock 2000 8000 D Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock. Includes 872.424 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on May 30, 2025. 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 November 18, 2024, Mr. Smith was awarded 10,000 RSUs. Each RSU represents the right to receive, following vesting, one share of Class A common stock. Twenty percent (20%) of the restricted stock units will vest on each of the first two anniversaries of the date of grant and the remaining sixty percent (60%) will vest on the third anniversary of the date of grant, provided that Mr. Smith remains in the continuous service of the Company or a subsidiary through each such date. SEVP, Chief Consumer Banking Officer /s/ Julio V. Pena, as Attorney-in-Fact for Braden Smith 2025-11-20