Other Information
−Removed: (a) On April 28, 2025, the Board of Directors (the "Board") of the Company amended and restated the Company's By-Laws to make minor clarifying changes under Sections 2.04 and 2.05 of the By-Laws.
−Removed: The full text of the amended and restated By-Laws is attached hereto as Exhibit 3.1 and is incorporated herein by reference.
−Removed: (c) The following individuals became executive officers under Section 16 of the Securities Exchange Act of 1934 during the fiscal quarter ended March 31, 2025.
−Removed: We are reporting the following trading arrangements that are intended to satisfy the affirmative defense of Rule 10b5–1(c), which the executive officers adopted prior to becoming executive officers.
−Removed: For the fiscal quarter ended March 31, 2025, none of the Company’s directors or executive officers adopted or terminated any contract, instruction or written plan for the purchase or sale of Company securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any “non-Rule 10b5-1 trading arrangement.”
+Added: During the fiscal quarter ended September 30, 2025, our executive officers and directors adopted the following trading arrangements that are intended to satisfy the affirmative defense of Rule 10b5-1(c).
Name & Title Date of Adoption Duration of Trading Arrangement The maximum number of securities to be sold pursuant to the trading arrangement (1)
+Added: Maria Black ,
+Added: President and Chief Executive Officer
+Added: September 4, 2025
+Added: January 2, 2026 – December 31, 2026
+Added: Michael Bonarti ,
+Added: Chief Administrative Officer
+Added: September 4, 2025
+Added: February 3, 2026 – December 31, 2026
+Added: Christopher D’Ambrosio ,
+Added: Chief Strategy Officer
+Added: September 8, 2025
+Added: January 2, 2026 – December 31, 2026
+Added: Joseph DeSilva ,
+Added: Executive Vice President, North America and Chief of Operations
+Added: September 4, 2025
+Added: January 2, 2026 – December 31, 2026
David Foskett ,
1 unchanged sentence
September 8, 2025
−Removed: January 6, 2025 – September 2, 2025
+Added: February 5, 2026 – December 31, 2026
+Added: Peter Hadley ,
+Added: Chief Financial Officer
+Added: September 4, 2025
+Added: January 2, 2026 – December 31, 2026
+Added: Sreeni Kutam ,
+Added: President, Global Product and Innovation
+Added: September 4, 2025
+Added: January 2, 2026 – December 31, 2026
+Added: Chief Legal Officer/General Counsel
+Added: September 4, 2025
+Added: January 2, 2026 – December 31, 2026
+Added: Jonathan Lehberger ,
+Added: Corporate Controller
+Added: September 4, 2025
+Added: January 2, 2026 – December 31, 2026
Virginia Magliulo ,
5 unchanged sentences
September 9, 2025
−Removed: January 2, 2025 – July 1, 2025
+Added: January 2, 2026 – December 31, 2026
+Added: Carlos Rodriguez ,
+Added: September 4, 2025
+Added: September 4, 2025
+Added: January 6, 2026 – June 30, 2026
+Added: September 2, 2026 – December 31, 2026
(1) Securities reported in this column reflect options, restricted stock units (“RSUs”), performance-based stock units (“PSUs”) and shares of common stock, as appropriate.
3 unchanged sentences
In addition, securities reported in this column include securities subject to limit orders and such orders may not fill if limit order conditions are not met.
+Added: (2) Indirect shares held by trust.
Exhibit Number Exhibit
−Removed: Amended and Restated By-laws of Automatic Data Processing, Inc., dated April 28, 2025
Certification by Maria Black pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
−Removed: Certification by Don McGuire pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
+Added: Certification by Peter Hadley pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
Certification by Maria Black pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
−Removed: Certification by Don McGuire pursuant to 18 U.S.C.
+Added: Certification by Peter Hadley pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
8 unchanged sentences
AUTOMATIC DATA PROCESSING, INC.
−Removed: May 1, 2025 /s/ Don McGuire
+Added: October 31, 2025 /s/ Peter Hadley
Chief Financial Officer
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.