Automatic Data Processing (ADP)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-09 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AUTOMATIC DATA PROCESSING INC (ADP) CIK: 0000008670 --- Reporting Owner --- Name: Sugla Vishwas CIK: 0002153754 Role: Officer (Chief Strategy Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-09 | Code: A (Grant or award) Shares: +2,827 | Price: $0.00 Shares Owned After: 2,827 | Ownership: D (Direct) Footnotes: [F1] In the form of restricted stock units, which are convertible into common stock on a one-for-one basis and vest 100% on the 1st anniversary. [Transaction #2] Security: Common Stock Date: 2026-09-09 | Code: A (Grant or award) Shares: +2,073 | Price: $0.00 Shares Owned After: 4,900 | Ownership: D (Direct) Footnotes: [F2] In the form of restricted stock units, which are convertible into common stock on a one-for-one basis and vest ratably over 3 years. --- Footnotes (Complete Index) --- F1: In the form of restricted stock units, which are convertible into common stock on a one-for-one basis and vest 100% on the 1st anniversary. F2: In the form of restricted stock units, which are convertible into common stock on a one-for-one basis and vest ratably over 3 years. --- Signature --- /s/ David Kwon (POA on File) (2026-09-10)