Progressive (PGR)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-24 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: PROGRESSIVE CORP/OH/ (PGR) CIK: 0000080661 --- Reporting Owner --- Name: Niederst Lori A CIK: 0001691371 Role: Officer (Chief Personal Lines Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Date: 2026-07-24 | Code: A (Grant or award) Shares: +13,151.651 | Price: $0.00 Shares Owned After: 55,717.882 | 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: 2026-07-24 | Code: F (Payment of exercise/tax) Shares: -5,812 | Price: $211.90 Total Value: $1,231,562.80 Shares Owned After: 49,905.882 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Common Ownership: I (Indirect) --- 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. --- Signature --- /s/ /s/ Allyson L. Bach, By Power of Attorney (2026-07-28)