Automatic Data Processing officer disposes of 116.996 shares

Automatic Data Processing corporate vice president reported an insider transaction involving company common stock.

Rhea-AI Filing Summary

Automatic Data Processing corporate vice president reported an insider transaction involving company common stock. On 12/12/2025, a transaction coded F in the filing disposed of 116.996 shares at a price of $266.1 per share. After this disposition, the officer beneficially owns 80,414.436 shares of Automatic Data Processing common stock, held directly.

Insider Trade Summary

Exercise Price or Tax Liability: 116.996 shares

Exercise Price or Tax Liability 1 txn

Insider Bonarti Michael A

Role Corporate Vice President

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	116.996	$266.10	$31K

Holdings After Transaction: Common Stock — 80,414.436 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction in ADP stock is reported in this filing?

The filing reports that a corporate vice president of Automatic Data Processing disposed of 116.996 shares of common stock in a transaction dated 12/12/2025, coded F in the form.

What type of security was involved in the ADP insider transaction?

The transaction involved Common Stock of Automatic Data Processing Inc. (ADP), as shown in Table I of the filing.

At what price were the ADP shares disposed of in this transaction?

The 116.996 ADP common shares were reported as disposed of at a price of $266.1 per share.

How many ADP shares does the reporting person beneficially own after the transaction?

Following the reported transaction, the filing shows that the reporting person beneficially owns 80,414.436 shares of Automatic Data Processing common stock.

What is the relationship of the reporting person to Automatic Data Processing (ADP)?

The reporting person is identified as an Officer of Automatic Data Processing with the title Corporate Vice President, and the holdings are reported as held directly.

Is this ADP insider transaction filed for one reporting person or multiple persons?

The form indicates that it is a Form filed by One Reporting Person, not a joint or group filing.

What ticker symbol is used for Automatic Data Processing in this insider report?

The issuer is identified as AUTOMATIC DATA PROCESSING INC with the ticker symbol ADP.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/15/2025 - 04:02 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bonarti Michael A

(Last) (First) (Middle)

ONE ADP BOULEVARD

(Street)

ROSELAND NJ 07068

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AUTOMATIC DATA PROCESSING INC [ ADP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Corporate Vice President

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/12/2025		F		116.996	D	$266.1	80,414.436	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	David Kwon (POA on File)	12/15/2025
	** 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.