Calderon Sharymar

SEC source: 0001979297-26-000007 · wk-form4_1780518332.xml · derivative · entry 4

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,102 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F5 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 6,306 RSUs under the 2023-2025 Long Term Incentive Plan. Each RSU represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F5 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 6,306 RSUs under the 2023-2025 Long Term Incentive Plan. Each RSU represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

SEC source: 0001979297-26-000007 · wk-form4_1780518332.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,869 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F4 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 5,605 RSUs in connection with a sign-on grant related to Ms. Calderon's appointment as EVP, Chief Financial Officer. Each RSU represents the right to receive, following vesting, one share of Class A Common Stock. The RSUs vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F4 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 5,605 RSUs in connection with a sign-on grant related to Ms. Calderon's appointment as EVP, Chief Financial Officer. Each RSU represents the right to receive, following vesting, one share of Class A Common Stock. The RSUs vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

SEC source: 0001979297-26-000007 · wk-form4_1780518332.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,429.08

F3 · shares: 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.

SEC source: 0001979297-26-000007 · wk-form4_1780518332.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,396.08

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F2 · balance_after: Includes 194.23 shares of Class A Common Stock acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on May 29, 2026.

SEC source: 0001979297-26-000005 · wk-form4_1771630695.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,981

Underlying: Class A Common Stock · 2,490 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F3 · derivative.exercise_date: On February 18, 2025, Ms. Calderon was awarded 7,471 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F3 · derivative.expiration_date: On February 18, 2025, Ms. Calderon was awarded 7,471 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

SEC source: 0001979297-26-000005 · wk-form4_1771630695.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,230.85

F2 · shares: 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.

SEC source: 0001979297-26-000005 · wk-form4_1771630695.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,837.85

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

SEC source: 0001979297-26-000003 · wk-form4_1771544222.xml · derivative · entry 6

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,249

Underlying: Class A Common Stock · 8,249 shares

Expires not disclosed

F8 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") is the economic equivalent of one share of Class A Common Stock.

F9 · derivative.exercise_date: PSUs awarded to Ms. Calderon, 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 Ms. Calderon may earn.

F9 · derivative.expiration_date: PSUs awarded to Ms. Calderon, 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 Ms. Calderon may earn.

SEC source: 0001979297-26-000003 · wk-form4_1771544222.xml · derivative · entry 5

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,249

Underlying: Class A Common Stock · 8,249 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F7 · derivative.exercise_date: On February 17, 2026, Ms. Calderon was awarded 8,249 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F7 · derivative.expiration_date: On February 17, 2026, Ms. Calderon was awarded 8,249 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

SEC source: 0001979297-26-000003 · wk-form4_1771544222.xml · derivative · entry 4

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,223

Underlying: Class A Common Stock · 2,223 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F6 · derivative.exercise_date: On February 16, 2024, Ms. Calderon was awarded 6,669 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 Ms. Calderon 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.

F6 · derivative.expiration_date: On February 16, 2024, Ms. Calderon was awarded 6,669 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 Ms. Calderon 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.

SEC source: 0001979297-26-000003 · wk-form4_1771544222.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,102

Underlying: Class A Common Stock · 834 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F4 · derivative.exercise_date: On February 16, 2023, Ms. Calderon was awarded 2,500 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 Ms. Calderon 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.

F4 · derivative.expiration_date: On February 16, 2023, Ms. Calderon was awarded 2,500 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 Ms. Calderon 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.

F5 · balance_after: Balance reflects unvested RSUs awarded to Ms. Calderon on June 1, 2023.

SEC source: 0001979297-26-000003 · wk-form4_1771544222.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,347.85

F3 · shares: 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.

SEC source: 0001979297-26-000003 · wk-form4_1771544222.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,092.85

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F2 · balance_after: Includes 305.35 and 310.3 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on May 30, 2025 and November 28, 2025, respectively.

SEC source: 0001979297-25-000005 · wk-form4_1748989485.xml · derivative · entry 4

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,936

Underlying: Class A Common Stock · 2,102 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F4 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 6,306 RSUs under the 2023-2025 Long Term Incentive Plan. Each RSU represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the second anniversary of the date of grant was on Sunday, June 1, 2025, the vesting ocurred on Monday, June 2, 2025, the next business day.

F4 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 6,306 RSUs under the 2023-2025 Long Term Incentive Plan. Each RSU represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the second anniversary of the date of grant was on Sunday, June 1, 2025, the vesting ocurred on Monday, June 2, 2025, the next business day.

F5 · balance_after: Includes 834 unvested RSUs awarded to Ms. Calderon on February 16, 2023.

SEC source: 0001979297-25-000005 · wk-form4_1748989485.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,869

Underlying: Class A Common Stock · 1,868 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F3 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 5,605 RSUs in connection with a sign-on grant related to Ms. Calderon's appointment as EVP, Chief Financial Officer. Each RSU represents the right to receive, following vesting, one share of Class A Common Stock. The RSUs vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the second anniversary of the date of grant was on Sunday, June 1, 2025, the vesting ocurred on Monday, June 2, 2025, the next business day.

F3 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 5,605 RSUs in connection with a sign-on grant related to Ms. Calderon's appointment as EVP, Chief Financial Officer. Each RSU represents the right to receive, following vesting, one share of Class A Common Stock. The RSUs vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the second anniversary of the date of grant was on Sunday, June 1, 2025, the vesting ocurred on Monday, June 2, 2025, the next business day.

SEC source: 0001979297-25-000005 · wk-form4_1748989485.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,420.2

F2 · shares: 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.

SEC source: 0001979297-25-000005 · wk-form4_1748989485.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,387.2

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

SEC source: 0001979297-25-000002 · wk-form4_1740089354.xml · derivative · entry 6

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,472

Underlying: Class A Common Stock · 7,472 shares

Expires not disclosed

F8 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") is the economic equivalent of one share of Class A Common Stock.

F9 · derivative.exercise_date: PSUs awarded to Ms. Calderon, 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 Total Common Equity at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee (the "Committee") futher 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, 2025 and ending on December 31, 2027, and in general can range from 40% to 180% of the PSUs. The number reported reflects the target number of PSUs Ms. Calderon may earn.

F9 · derivative.expiration_date: PSUs awarded to Ms. Calderon, 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 Total Common Equity at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee (the "Committee") futher 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, 2025 and ending on December 31, 2027, and in general can range from 40% to 180% of the PSUs. The number reported reflects the target number of PSUs Ms. Calderon may earn.

SEC source: 0001979297-25-000002 · wk-form4_1740089354.xml · derivative · entry 5

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,471

Underlying: Class A Common Stock · 7,471 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F7 · derivative.exercise_date: On February 18, 2025, Ms. Calderon was awarded 7,471 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F7 · derivative.expiration_date: On February 18, 2025, Ms. Calderon was awarded 7,471 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

SEC source: 0001979297-25-000002 · wk-form4_1740089354.xml · derivative · entry 4

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,446

Underlying: Class A Common Stock · 2,223 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F6 · derivative.exercise_date: On February 16, 2024, Ms. Calderon was awarded 6,669 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F6 · derivative.expiration_date: On February 16, 2024, Ms. Calderon was awarded 6,669 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

SEC source: 0001979297-25-000002 · wk-form4_1740089354.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,038

Underlying: Class A Common Stock · 833 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F4 · derivative.exercise_date: On February 16, 2023, Ms. Calderon was awarded 2,500 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F4 · derivative.expiration_date: On February 16, 2023, Ms. Calderon was awarded 2,500 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F5 · balance_after: Balance includes 834 and 4,204 unvested Restricted Stock Units awarded to Ms. Calderon on February 16, 2023 and June 1, 2023, respectively.

SEC source: 0001979297-25-000002 · wk-form4_1740089354.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,417.2

F3 · shares: 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 restricted stock and RSUs.

SEC source: 0001979297-25-000002 · wk-form4_1740089354.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · SEVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,572.2

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F2 · balance_after: Includes 55.21 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on November 29, 2024.

SEC source: 0001979297-24-000008 · wk-form4_1722978943.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,460.99

F1 · shares: Reflects the number of shares of Class A Common Stock that were surrendered in order to satisfy the reporting person's tax withholding obligation upon the vesting of the restricted stock.

SEC source: 0001979297-24-000004 · wk-form4_1717623750.xml · derivative · entry 4

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,871

Underlying: Class A Common Stock · 2,102 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F4 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 6,306 RSUs under the 2023-2025 Long Term Incentive Plan, a sub-plan of the 2018 Equity and Incentive Compensation Plan. Each RSU represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the first anniversary of the date of grant was on Saturday, June 1, 2024, the vesting ocurred on Monday, June 3, 2024, the next business day.

F4 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 6,306 RSUs under the 2023-2025 Long Term Incentive Plan, a sub-plan of the 2018 Equity and Incentive Compensation Plan. Each RSU represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the first anniversary of the date of grant was on Saturday, June 1, 2024, the vesting ocurred on Monday, June 3, 2024, the next business day.

F5 · balance_after: Includes 1,667 unvested RSUs awarded to Ms. Calderon on February 16, 2023.

SEC source: 0001979297-24-000004 · wk-form4_1717623750.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,737

Underlying: Class A Common Stock · 1,868 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F3 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 5,605 RSUs in connection with a sign-on grant related to Ms. Calderon's appointment as Executive Vice-President and Chief Financial Officer. Each RSU represents the right to receive, following vesting, one share of Class A Common Stock. The RSUs will vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the first anniversary of the date of grant was on Saturday, June 1, 2024, the vesting ocurred on Monday, June 3, 2024, the next business day.

F3 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 5,605 RSUs in connection with a sign-on grant related to Ms. Calderon's appointment as Executive Vice-President and Chief Financial Officer. Each RSU represents the right to receive, following vesting, one share of Class A Common Stock. The RSUs will vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date. Since the first anniversary of the date of grant was on Saturday, June 1, 2024, the vesting ocurred on Monday, June 3, 2024, the next business day.

SEC source: 0001979297-24-000004 · wk-form4_1717623750.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,566.8

F2 · shares: 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.

SEC source: 0001979297-24-000004 · wk-form4_1717623750.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,533.8

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

SEC source: 0001979297-24-000006 · wk-form4_1718661410.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,626.99

F1 · kind: The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Issuer's 2021 Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of December 1, 2023 through May 31, 2024. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the terms of the ESPP, the purchase price of these shares was 85% of the closing price of the Issuer's common stock on December 1, 2023.

SEC source: 0001979297-24-000002 · wk-form4_1708555190.xml · derivative · entry 5

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,005

Underlying: Class A Common Stock · 10,005 shares

Expires not disclosed

F7 · derivative.exercise_price: Each performance-based restricted stock unit is the economic equivalent of one share of Class A Common Stock.

F8 · derivative.exercise_date: PSUs awarded to Ms. Calderon, 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 Total Shareholder Return at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee for a 3-year period beginning January 1, 2024 and ending on December 31, 2026, and in general can range from 50% to 150% of the PSUs. The number reported reflects the maximum number of PSUs Ms. Calderon may earn.

F8 · derivative.expiration_date: PSUs awarded to Ms. Calderon, 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 Total Shareholder Return at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee for a 3-year period beginning January 1, 2024 and ending on December 31, 2026, and in general can range from 50% to 150% of the PSUs. The number reported reflects the maximum number of PSUs Ms. Calderon may earn.

SEC source: 0001979297-24-000002 · wk-form4_1708555190.xml · derivative · entry 4

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,669

Underlying: Class A Common Stock · 6,669 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F6 · derivative.exercise_date: On February 16, 2024, Ms. Calderon was awarded 6,669 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F6 · derivative.expiration_date: On February 16, 2024, Ms. Calderon was awarded 6,669 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

SEC source: 0001979297-24-000002 · wk-form4_1708555190.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,973

Underlying: Class A Common Stock · 833 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F4 · derivative.exercise_date: On February 16, 2023, Ms. Calderon was awarded 2,500 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F4 · derivative.expiration_date: On February 16, 2023, Ms. Calderon was awarded 2,500 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F5 · balance_after: Balance also includes 6,306 unvested Restricted Stock Units awarded to Ms. Calderon on June 1, 2023.

SEC source: 0001979297-24-000002 · wk-form4_1708555190.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,563.8

F3 · shares: 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 restricted stock and RSUs.

SEC source: 0001979297-24-000002 · wk-form4_1708555190.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,969.8

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") is the economic equivalent of one share of Class A Common Stock.

F2 · balance_after: Includes 68.58 shares acquired under the Amerant Bancorp Inc. Employee Stock Purchase Plan on November 30, 2023.

SEC source: 0001979297-23-000009 · wk-form4_1690838989.xml · nonDerivative · entry 2

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,068.22

F3 · shares: This number 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 the restricted stock.

SEC source: 0001979297-23-000005 · wk-form4_1685999675.xml · derivative · entry 3

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,459

Underlying: Class A Common Stock · 9,459 shares

Expires not disclosed

F5 · derivative.exercise_price: Each performance based restricted stock unit is the economic equivalent of one share of Class A Common Stock.

F6 · derivative.exercise_date: Performance-based restricted stock units awarded to Ms. Calderon under the 2023-2025 Long Term Incentive Plan, a sub-plan of the 2018 Equity and Incentive Compensation Plan. Each performance-based restricted stock unit represents the right to receive, following vesting, one share of Class A common stock. The actual number of performance-based restricted stock units earned shall be based on the achievement of the Relative Total Shareholder Return at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee for a 3-year period beginning January 1, 2023 and ending on December 31, 2025, and in general can range from 50% of the performance based restricted stock units to 150% of the performance based restricted stock units. The number of performance based restricted stock units reported reflects the maximum number of performance based restricted stock units Ms. Calderon may earn at the end of the performance period.

F6 · derivative.expiration_date: Performance-based restricted stock units awarded to Ms. Calderon under the 2023-2025 Long Term Incentive Plan, a sub-plan of the 2018 Equity and Incentive Compensation Plan. Each performance-based restricted stock unit represents the right to receive, following vesting, one share of Class A common stock. The actual number of performance-based restricted stock units earned shall be based on the achievement of the Relative Total Shareholder Return at a Threshold, Target or Maximum level set by the Compensation and Human Capital Committee for a 3-year period beginning January 1, 2023 and ending on December 31, 2025, and in general can range from 50% of the performance based restricted stock units to 150% of the performance based restricted stock units. The number of performance based restricted stock units reported reflects the maximum number of performance based restricted stock units Ms. Calderon may earn at the end of the performance period.

SEC source: 0001979297-23-000005 · wk-form4_1685999675.xml · derivative · entry 2

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,806

Underlying: Class A Common Stock · 6,306 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is the economic equivalent of one share of Class A Common Stock.

F3 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 6,306 restricted stock units under the 2023-2025 Long Term Incentive Plan, a sub-plan of the 2018 Equity and Incentive Compensation Plan. Each restricted stock unit represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F3 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 6,306 restricted stock units under the 2023-2025 Long Term Incentive Plan, a sub-plan of the 2018 Equity and Incentive Compensation Plan. Each restricted stock unit represents 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 Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date.

F4 · balance_after: Includes 2,500 unvested Restricted Stock Units awarded to Ms. Calderon on February 16, 2023.

SEC source: 0001979297-23-000005 · wk-form4_1685999675.xml · derivative · entry 1

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,605

Underlying: Class A Common Stock · 5,605 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is the economic equivalent of one share of Class A Common Stock.

F2 · derivative.exercise_date: On June 1, 2023, Ms. Calderon was awarded 5,605 restricted stock units in connection with a sign-on grant related to Ms. Calderon's appointment as Executive Vice-President and Chief Financial Officer. Each restricted stock unit represents the right to receive, following vesting, one share of Class A Common Stock. The restricted stock units will vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date

F2 · derivative.expiration_date: On June 1, 2023, Ms. Calderon was awarded 5,605 restricted stock units in connection with a sign-on grant related to Ms. Calderon's appointment as Executive Vice-President and Chief Financial Officer. Each restricted stock unit represents the right to receive, following vesting, one share of Class A Common Stock. The restricted stock units will vest in substantially equal installments on each of the first three anniversaries of the date of grant, provided that Ms. Calderon remains in the continuous service of the Company or a subsidiary through each such date

SEC source: 0001979297-23-000009 · wk-form4_1690838989.xml · nonDerivative · entry 1

Calderon Sharymar · CIK 0001979297 · EVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,227.22

F1 · kind: Ms. Calderon is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Issuer's 2021 Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of December 1, 2022 through May 31, 2023. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the terms of the ESPP, the purchase price of these shares was 85% of the closing price of the Issuer's common stock on May 31, 2023.