Form 4 for AMTB Amerant Bancorp Inc.

Accepted 2026-03-04 00:00:00 ET · period of report 2026-03-03 · accession 0002098589-26-000009 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-03-04	2026-03-03	AMTB	Nursey Michael E.	See remarks	M - OptEx	$0.00	+800	2,294	+54%	$0
D	2026-03-04	2026-03-03	AMTB	Nursey Michael E.	See remarks	F - Tax	$21.58	-195	2,099	-9%	-$4,208
D	2026-03-04	2026-03-03	AMTB	Nursey Michael E.	See remarks	M - OptEx	$0.00	-800	3,200	-20%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Common Stock	2026-03-03	M	A	800	$0.00	2,294	D	—	—	(F1) Each RSU is the economic equivalent of one share of Class A Common Stock.
2	Common	Class A Common Stock	2026-03-03	F	D	195	$21.58	2,099	D	—	—	(F2) 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.
3	Derivative	Restricted Stock Units	2026-03-03	M	D	800	$0.00	3,200	D	$0.00 · — to —	800 Class A Common Stock	(F1) Each RSU is the economic equivalent of one share of Class A Common Stock. (F3) On March 3, 2025, Mr. Nursey was awarded 4,000 RSUs, each representing the right to receive, following vesting, one share of Class A Common Stock. Twenty percent (20%) of the restricted stock units vests 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. Nursey remains in the continuous service of the Company or a subsidiary through each such date.