Assurant (AIZ)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-16 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: ASSURANT, INC. (AIZ) CIK: 0001267238 --- Reporting Owner --- Name: Demmings Keith CIK: 0001762769 Role: Director, Officer (President and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-16 | Code: A (Grant or award) Shares: +83,030 | Price: $0.00 Shares Owned After: 167,719.383 | Ownership: D (Direct) Footnotes: [F1] Represents the number of shares issued upon vesting of performance share units ("PSUs") based on the relative performance achieved during the 2023-2025 performance cycle. [Transaction #2] Security: Common Stock Date: 2026-03-16 | Code: F (Payment of exercise/tax) Shares: -42,338 | Price: $222.15 Total Value: $9,405,386.70 Shares Owned After: 125,381.383 | Ownership: D (Direct) Footnotes: [F2] Represents shares withheld to satisfy withholding obligations upon the March 16, 2026 vesting of PSUs and restricted stock units. [Transaction #3] Security: Common Stock Date: 2026-03-16 | Code: A (Grant or award) Shares: +11,254 | Price: $222.15 Total Value: $2,500,076.10 Shares Owned After: 136,635.383 | Ownership: D (Direct) Footnotes: [F3] These shares are represented by restricted stock units. [F4] Includes restricted stock units. [F5] Includes 42.159 shares acquired under the Assurant, Inc. Amended and Restated 2004 Employee Stock Purchase Plan ("ESPP") on December 31, 2025. --- Footnotes (Complete Index) --- F1: Represents the number of shares issued upon vesting of performance share units ("PSUs") based on the relative performance achieved during the 2023-2025 performance cycle. F2: Represents shares withheld to satisfy withholding obligations upon the March 16, 2026 vesting of PSUs and restricted stock units. F3: These shares are represented by restricted stock units. F4: Includes restricted stock units. F5: Includes 42.159 shares acquired under the Assurant, Inc. Amended and Restated 2004 Employee Stock Purchase Plan ("ESPP") on December 31, 2025. --- Signature --- /s/ /s/ Anne Holman, Attorney-in-Fact (2026-03-18)