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Form 3 AUTOMATIC DATA PROCESSIN For: Aug 05 Filed by: Orihuela Samantha D

August 6, 2026 4:04 PM
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Orihuela Samantha D
(Last) (First) (Middle)
ONE ADP BOULEVARD
(Street)
ROSELAND NJ 07068
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
08/05/2026 		3. Issuer Name and Ticker or Trading Symbol
AUTOMATIC DATA PROCESSING INC [ ADP ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Marketing Officer
 5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 5,291 (1)
D
Common Stock 450 (2)
I
By Spouse
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) 09/01/2021 12/22/2026 Common Stock 728 138.53 I By Spouse
Stock Option (Right to Buy) 09/01/2019 12/22/2026 Common Stock 226 146.75 I By Spouse
Stock Option (Right to Buy) 09/01/2020 12/22/2026 Common Stock 417 169.84 I By Spouse
Stock Option (Right to Buy) 09/01/2022 12/22/2026 Common Stock 655 206.86 I By Spouse
Explanation of Responses:
1. In the form of restricted stock units ("RSUs"), which are convertible into common stock on a one-for-one basis and reflects RSU grants made in 2026, with 417 RSUs vesting 2/2/27; 4,456 RSUs vesting 2/2/28 and 418 RSUs vesting 2/2/29
2. In the form of restricted stock units ("RSUs"), which are convertible into common stock on a one-for-one basis and reflects RSU grants made in 2023 through 2025, with all such RSUs vesting 9/1/26.
Remarks:
poa-orihuela.txt
David Kwon (POA on File) 08/06/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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