Michael A. Bonarti, Corporate Vice President at Automatic Data Processing Inc, filed a Form 4 on November 3, 2026, disclosing the sale of 7,487 shares of common stock on November 2, 2026, under a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Shares sold: 7,487 shares of Automatic Data Processing Inc common stock disposed of on November 2, 2026.
  • Sale price: $300 per share, as reported in the filing.
  • Remaining holdings: Bonarti directly owned 81,849.332 shares following the reported transaction.
  • 10b5-1 plan: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by Bonarti in September 2025, according to the filing.
  • Filer role: Bonarti is identified in the filing as a Corporate Vice President of Automatic Data Processing Inc (NASDAQ:ADP).

Bonarti's November 2026 Share Sale Under Pre-Planned Trading Program

According to the Form 4 filed with the SEC on November 3, 2026, Michael A. Bonarti, a Corporate Vice President at Automatic Data Processing Inc (NASDAQ:ADP), disposed of 7,487 shares of the company's common stock on November 2, 2026, at a price of $300 per share. The transaction is coded "S," indicating a sale, and is recorded as a direct ownership transaction.

The filing notes, via footnote, that "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." Rule 10b5-1 plans allow corporate insiders to establish pre-scheduled trading arrangements at a time when they are not in possession of material non-public information. The filing's cover page box confirming a 10b5-1(c) plan is checked, consistent with that footnote.

Following the reported sale, Bonarti's direct beneficial ownership of Automatic Data Processing Inc common stock stood at 81,849.332 shares, as stated in the filing. No derivative securities transactions were reported in Table II. The Form 4 was signed by David Kwon under a power of attorney on file, and was filed on November 3, 2026.

What Was Disclosed

The filing disclosed a single open-market sale of 7,487 ADP common shares by Corporate Vice President Michael A. Bonarti at $300 per share on November 2, 2026, executed under a 10b5-1 plan adopted in September 2025, leaving him with 81,849.332 shares directly held.