AMTB

amtb-202601220001734342false00017343422026-01-222026-01-22

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): January 22, 2026

Amerant Bancorp Inc. (Exact name of registrant as specified in its charter)

Florida 001-38534 65-0032379 (State or other jurisdiction of incorporation (Commission file number) (IRS Employer Identification Number)

220 Alhambra Circle Coral Gables, Florida 33134 (Address of principal executive offices)(Zip Code) (305) 460-8728 (Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading SymbolsName of exchange on which registered Class A Common StockAMTBNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition

On January 22, 2026, Amerant Bancorp Inc. (the "Company") issued a press release to report the Company’s financial results for the fiscal quarter and year ended December 31, 2025. The press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated by reference to this Item 2.02.

In accordance with General Instruction B.2. of Form 8-K, the information in this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being “furnished” and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 7.01 Regulation FD Disclosure

On January 23, 2026, the Company will hold a live audio webcast to discuss its financial results for the fiscal quarter and year ended December 31, 2025. In connection with the webcast, the Company is furnishing to the U.S. Securities and Exchange Commission the earnings slide presentation attached as Exhibit 99.2 to this Current Report on Form 8-K and incorporated by reference to this Item 7.01.

In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.2 attached hereto, is being “furnished” and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 8.01 Other Events

On January 22, 2026, the Company also issued a press release announcing that the Company's Board of Directors (the “Board”) declared a cash dividend of $0.09 per share of its Class A common stock. The dividend is payable on February 27, 2026, to shareholders of record at the close of business on February 13, 2026.

In addition, the Company announced that the Board authorized a new share repurchase program, pursuant to which the Company may purchase, from time to time, up to an aggregate amount of $40 million of its shares of Class A common stock (the “2026 Repurchase Program”). The program will be in effect until December 31, 2026.

Under the 2026 Repurchase Program, the Company may repurchase shares of the Class A common stock through open market purchases, by block purchase, in privately-negotiated transactions, or otherwise in compliance with Rule 10b-18 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The extent to which the Company repurchases its shares of Class A common stock an

amtb-202510280001734342false00017343422025-10-282025-10-28

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): October 28, 2025

Amerant Bancorp Inc. (Exact name of registrant as specified in its charter)

Florida 001-38534 65-0032379 (State or other jurisdiction of incorporation (Commission file number) (IRS Employer Identification Number)

220 Alhambra Circle Coral Gables, Florida 33134 (Address of principal executive offices)(Zip Code) (305) 460-8728 (Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading SymbolsName of exchange on which registered Class A Common StockAMTBNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition

On October 28, 2025, Amerant Bancorp Inc. (the "Company") issued a press release to report the Company’s financial results for the fiscal quarter ended September 30, 2025. The release is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated by reference to this Item 2.02.

In accordance with General Instruction B.2. of Form 8-K, the information in this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being “furnished” and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 7.01 Regulation FD Disclosure

On October 28, 2025, the Company will hold a live audio webcast to discuss its financial results for the fiscal quarter ended September 30, 2025. In connection with the webcast, the Company is furnishing to the U.S. Securities and Exchange Commission the earnings slide presentation attached as Exhibit 99.2 to this Current Report on Form 8-K and incorporated by reference to this Item 7.01.

In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.2 attached hereto, is being “furnished” and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits Number Exhibit

99.1Press Release of Amerant Bancorp Inc., dated October 28, 2025

99.2Earnings slide presentation of Amerant Bancorp Inc., dated October 28, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: October 28, 2025 Amerant Bancorp Inc.

By: /s/ Julio V. Pena Name: Julio V. Pena Title:  Executive Vice President, Associate General Counsel and Corporate Secretary

amtb-202507230001734342false00017343422025-07-232025-07-23

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): July 23, 2025

Amerant Bancorp Inc. (Exact name of registrant as specified in its charter)

Florida 001-38534 65-0032379 (State or other jurisdiction of incorporation (Commission file number) (IRS Employer Identification Number)

220 Alhambra Circle Coral Gables, Florida 33134 (Address of principal executive offices)(Zip Code) (305) 460-8728 (Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading SymbolsName of exchange on which registered Class A Common StockAMTBNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition

On July 23, 2025, Amerant Bancorp Inc. (the "Company") issued a press release to report the Company’s financial results for the fiscal quarter ended June 30, 2025. The release is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated by reference to this Item 2.02.

In accordance with General Instruction B.2. of Form 8-K, the information in this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being “furnished” and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 7.01 Regulation FD Disclosure

On July 24, 2025, the Company will hold a live audio webcast to discuss its financial results for the fiscal quarter ended June 30, 2025. In connection with the webcast, the Company is furnishing to the U.S. Securities and Exchange Commission the earnings slide presentation attached as Exhibit 99.2 to this Current Report on Form 8-K and incorporated by reference to this Item 7.01.

In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.2 attached hereto, is being “furnished” and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 8.01 Other Events.

On July 23, 2025, the Company announced that, on July 23, 2025, its Board of Directors declared a cash dividend of $0.09 per share of common stock. The dividend is payable on August 29, 2025, to shareholders of record at the close of business on August 15, 2025. A copy of the press release is attached hereto as Exhibit 99.3 and is incorporated herein by reference..

Item 9.01 Financial Statements and Exhibits Number Exhibit

99.1Press Release of Amerant Bancorp Inc., dated July 23, 2025

99.2Earnings slide presentation of Amerant Bancorp Inc., dated July 24, 2025

99.3Press Release of Amerant Bancorp Inc., dated July 23, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: July 23, 2025 Amerant Bancorp Inc.

By: /s/ Julio V. Pena Name: Julio V. Pena Title:  Executive Vice President, Associate General Counsel and Corpo