AUTOMATIC DATA PROCESSING INC (ADP) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-30 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: AUTOMATIC DATA PROCESSING INC (ADP) CIK: 0000008670 --- Reporting Owner --- Name: Kwon David CIK: 0001872194 Role: Officer (Corp VP) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-30 | Code: M (Exercise of derivative) Shares: +887 | Price: $138.53 Total Value: $122,876.11 Shares Owned After: 12,073.553 | Ownership: D (Direct) Footnotes: [F1] The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. [Transaction #2] Security: Common Stock Date: 2026-07-30 | Code: S (Open market sale) Shares: -474 | Price: $265.62 Total Value: $125,903.88 Shares Owned After: 11,599.553 | Ownership: D (Direct) Footnotes: [F1] The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. [Transaction #3] Security: Common Stock Date: 2026-07-30 | Code: S (Open market sale) Shares: -887 | Price: $265.62 Total Value: $235,604.94 Shares Owned After: 10,712.553 | Ownership: D (Direct) Footnotes: [F1] The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. [Transaction #4] Security: Common Stock Date: 2026-07-30 | Code: S (Open market sale) Shares: -1,053 | Price: $265.62 Total Value: $279,697.86 Shares Owned After: 9,659.553 | Ownership: D (Direct) Footnotes: [F1] The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. --- Derivative Transactions --- [Transaction #1] Security: Stock Option (Right to Buy) Date: 2026-07-30 | Code: M (Exercise of derivative) Shares: -887 | Price: $138.53 Exercisable: N/A | Expires: 2030-08-31 Shares Owned After: 1,387 | Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025. --- Signature --- /s/ /s/ David Kwon (2026-07-31)