Mariola Sanchez - 17 Feb 2026 Form 4 Insider Report for Amerant Bancorp Inc. (AMTB)

Reporting relationship: Officer
Issuer ticker: AMTB
Reported as of: 17 Feb 2026
Net transaction value: -$18,229
SEC form: 4
Accepted by SEC: 19 Feb 2026, 18:37:29 UTC
Prior SEC filing: 17 Jun 2025
Next SEC filing: 20 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Julio V. Pena, as Attorney-in-Fact for Mariola Sanchez

Key filing fact

Mariola Sanchez filed Form 4 for Amerant Bancorp Inc. (AMTB) on 19 Feb 2026.

Key facts

This page summarizes Mariola Sanchez's Form 4 filing for Amerant Bancorp Inc. (AMTB).
6 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 19 Feb 2026, 18:37.

Change

Previous filing in this sequence was filed on 17 Jun 2025.
Current net transaction value: -$18,229.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001963089 Primary reporting owner

Sanchez Mariola

Relationship: Officer
Address: 220 ALHAMBRA CR., CORAL GABLES
Signature: /s/ Julio V. Pena, as Attorney-in-Fact for Mariola Sanchez
Signature date: 19 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMTB transaction

Class A Common Stock

Options Exercise

Transaction value: $0
Shares: +2,928
Change %: +18%
Price: $0.000000
Shares after: 19,494
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F1, F2

AMTB transaction

Class A Common Stock

Tax liability

Transaction value: $18,229
Shares: -802
Change %: -4.1%
Price: $22.73
Shares after: 18,692
Date: 17 Feb 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMTB transaction Derivative

Restricted Stock Units LTI 2023

Options Exercise

Transaction value: $0
Shares: -1,229
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 17 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 1,229
Exercise price: $0.000000
Footnotes: F1, F4

AMTB transaction Derivative

Restricted Stock Units LTI 2024

Options Exercise

Transaction value: $0
Shares: -1,699
Change %: -50%
Price: $0.000000
Shares after: 1,699
Date: 17 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 1,699
Exercise price: $0.000000
Footnotes: F1, F5

AMTB transaction Derivative

Restricted Stock Units LTI 2026

Award

Transaction value: $0
Shares: +6,269
Change %
Price: $0.000000
Shares after: 6,269
Date: 17 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 6,269
Exercise price: $0.000000
Footnotes: F1, F6

AMTB transaction Derivative

Performance Based Restricted Stock Units LTI 2026

Award

Transaction value: $0
Shares: +6,269
Change %
Price: $0.000000
Shares after: 6,269
Date: 17 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 6,269
Exercise price: $0.000000
Footnotes: F7, F8

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

Footnote F2

Includes 264.46 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on November 28, 2025.

Footnote F3

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.

Footnote F4

On February 16, 2023, Mrs. Sanchez was awarded 3,686 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 Mrs. Sanchez remains in the continuous service of the Company or a subsidiary through each such date. Since the anniversary of the date of grant was on Monday, February 16, 2026, a federal holiday, the vesting occurred on Tuesday, February 17, 2026, the next business day.

Footnote F5

On February 16, 2024, Mrs. Sanchez was awarded 5,097 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 Mrs. Sanchez remains in the continuous service of the Company or a subsidiary through each such date. Since the anniversary of the date of grant was on Monday, February 16, 2026, a federal holiday, the vesting occurred on Tuesday, February 17, 2026, the next business day.

Footnote F6

On February 17, 2026, Mrs. Sanchez was awarded 6,269 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 Mrs. Sanchez remains in the continuous service of the Company or a subsidiary through each such date.

Footnote F7

Each performance-based restricted stock unit ("PSU") is the economic equivalent of one share of Class A Common Stock.

Footnote F8

PSUs awarded to Mrs. Sanchez, each representing the right to receive, following vesting, one share of Class A Common Stock. The actual number of PSUs earned shall be based on the achievement of the Relative Adjusted Return on Average Tangible Common Equity at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee (the "Committee") further modified by the achievement of specified Threshold, Target or Maximum levels set by the Committee of Relative Total Shareholder Return for a 3-year period beginning January 1, 2026 and ending on December 31, 2028, and in general can range from 40% to 180% of the PSUs. The number reported reflects the target number of PSUs Mrs. Sanchez may earn.