Progressive (PGR) 4: Griffith Susan Patricia bought 11,254 shares of Common at $… (Feb 24, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-20 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: 2026-02-20 | Code: A (Grant or award) Shares: +11,254.169 | Price: $0.00 Shares Owned After: 496,444.547 | Ownership: D (Direct) Footnotes: [F1] These shares were issued pursuant to the vesting of performance-based restricted stock unit awards made in 2023, including dividend equivalents accrued since the grant date. [Transaction #2] Security: Common Date: 2026-02-20 | Code: F (Payment of exercise/tax) Shares: -4,964 | Price: $202.70 Total Value: $1,006,202.80 Shares Owned After: 491,480.547 | Ownership: D (Direct) --- 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: These shares were issued pursuant to the vesting of performance-based restricted stock unit awards made in 2023, including dividend equivalents accrued since the grant date. F2: Held in a trust for the benefit of reporting person's spouse. --- Signature --- /s/ /s/ Allyson L. Bach, By Power of Attorney (2026-02-24)