Progressive (PGR) 4: Niederst Lori A bought 3,072 shares of Restricted Stock Uni… (Mar 25, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-24 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: PROGRESSIVE CORP/OH/ (PGR) CIK: 0000080661 --- Reporting Owner --- Name: Niederst Lori A CIK: 0001691371 Role: Officer (CRM President) --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Unit Date: 2026-03-24 | Code: A (Grant or award) Shares: +3,072 | Price: $0.00 Shares Owned After: 12,741.326 | Ownership: D (Direct) Footnotes: [F1] Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock. [F2] These units will vest in three equal annual installments on each of January 16, 2029, January 15, 2030, and January 21, 2031, subject to earlier vesting or forfeiture in accordance with the plan and the award agreement. [F3] Expiration Date is the same as Date Exercisable. --- Footnotes (Complete Index) --- F1: Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock. F2: These units will vest in three equal annual installments on each of January 16, 2029, January 15, 2030, and January 21, 2031, subject to earlier vesting or forfeiture in accordance with the plan and the award agreement. F3: Expiration Date is the same as Date Exercisable. --- Signature --- /s/ /s/ Laurie F. Humphrey, By Power of Attorney (2026-03-25)