Form 4 for AMTB Amerant Bancorp Inc.

Accepted 2026-02-20 00:00:00 ET · period of report 2026-02-18 · accession 0002098589-26-000007 · 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	2026-02-20	2026-02-18	AMTB	Nursey Michael E.	See remarks	F - Tax	$22.38	-187	1,494	-11%	-$4,185
D	2026-02-20	2026-02-18	AMTB	Nursey Michael E.	See remarks	M - OptEx	$0.00	+666	1,681	+66%	$0
D	2026-02-20	2026-02-18	AMTB	Nursey Michael E.	See remarks	M - OptEx	$0.00	-666	1,334	-33%	$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	2026-02-18	F	D	187	$22.38	1,494	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.
2	Common	Class A Common Stock	2026-02-18	M	A	666	$0.00	1,681	D	—	—	(F1) Each RSU is the economic equivalent of one share of Class A Common Stock.
3	Derivative	Restricted Stock Units LTI 2025	2026-02-18	M	D	666	$0.00	1,334	D	$0.00 · — to —	666 Class A Common Stock	(F1) Each RSU is the economic equivalent of one share of Class A Common Stock. (F3) On February 18, 2025, Mr. Nursey was awarded 2,000 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 Mr. Nursey remains in the continuous service of the Company or a subsidiary through each such date.