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AUTOMATIC DATA PROCESSING INC

For the period ended Mar 31, 2026. Filed Apr 30, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed Apr 30, 2026

ADP$302.06-0.4%Stored close · as of Nov 9, 2026

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Item 5. Other Information

(a) On April 26, 2026, the Board of Directors (the "Board") of the Company amended and restated the Company's By-Laws to make a change to incorporate an applicable SEC rule requirement under Section 2.04 of the By-Laws. The full text of the amended and restated By-Laws is attached hereto as Exhibit 3.1 and is incorporated herein by reference.

(c)During the fiscal quarter ended March 31, 2026, the following director adopted a trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c).

Name & TitleDate of AdoptionDuration of Trading ArrangementAggregate number of securities to be purchased pursuant to the trading arrangement
Robert H. Swan,DirectorJanuary 30, 2026May 7, 2026 – May 15, 2026(1)

(1) Trading arrangement with a target purchase amount of up to approximately $750,000 in shares of the Company's common stock.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.