Progressive (PGR) 4: Griffith Susan Patricia bought 23,909 shares of Common at $… (Jan 22, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-01-20 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: PROGRESSIVE CORP/OH/ (PGR) CIK: 0000080661 --- Reporting Owner --- Name: Griffith Susan Patricia CIK: 0001198113 Role: Director, Officer (President and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Date: 2026-01-20 | Code: M (Exercise of derivative) Shares: +23,909.335 | Price: $0.00 Shares Owned After: 495,195.378 | Ownership: D (Direct) Footnotes: [F1] Represents Common Shares issued upon the vesting of restricted stock unit awards, including dividend equivalent units. This Form 4 reports the disposition of such restricted stock units in exchange for an equal number of Common Shares. [Transaction #2] Security: Common Date: 2026-01-20 | Code: F (Payment of exercise/tax) Shares: -10,005 | Price: $201.32 Total Value: $2,014,206.60 Shares Owned After: 485,190.378 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Unit Date: 2026-01-20 | Code: M (Exercise of derivative) Shares: -23,909.335 | Price: $0.00 Shares Owned After: 24,603.186 | Ownership: D (Direct) Footnotes: [F3] Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock. [F1] Represents Common Shares issued upon the vesting of restricted stock unit awards, including dividend equivalent units. This Form 4 reports the disposition of such restricted stock units in exchange for an equal number of Common Shares. [F4] Units vested on January 20, 2026. [F5] Expiration Date is the same as the Date Exercisable. --- Holdings --- [Holding #1] Security: Common Ownership: I (Indirect) [Holding #2] Security: Common Ownership: I (Indirect) [Holding #3] Security: Common Ownership: I (Indirect) Footnotes: [F2] Held in a trust for the benefit of reporting person's spouse. --- Footnotes (Complete Index) --- F1: Represents Common Shares issued upon the vesting of restricted stock unit awards, including dividend equivalent units. This Form 4 reports the disposition of such restricted stock units in exchange for an equal number of Common Shares. F2: Held in a trust for the benefit of reporting person's spouse. F3: Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock. F4: Units vested on January 20, 2026. F5: Expiration Date is the same as the Date Exercisable. --- Signature --- /s/ /s/ Allyson L. Bach, By Power of Attorney (2026-01-22)