[Form 4] Automatic Data Processing Insider Trading Activity

Rhea-AI Filing Summary

Automatic Data Processing Inc. (ADP) filing shows insider activity by Corporate Vice President Michael A. Bonarti. On 09/01/2025 he was granted 3,817 restricted stock units that convert one-for-one into common stock and vest ratably over three years. On 09/02/2025 he disposed of 9,030.942 shares of ADP common stock at a price of $304.05 per share, reducing his beneficial ownership from 98,290.374 shares to 89,259.432 shares. The filing is a routine Section 16 Form 4 disclosing compensation-related awards and a subsequent sale by an officer.

Positive

• RSU grant disclosed: 3,817 restricted stock units awarded that convert one-for-one into common stock and vest ratably over three years
• Compliance: Form 4 filed and signed (POA on file), meeting Section 16 disclosure requirements

Negative

• Insider sale: Disposal of 9,030.942 shares reported at a price of $304.05, reducing beneficial ownership from 98,290.374 to 89,259.432 shares

Insights

Securities Analyst

TL;DR: Officer received RSUs and executed a market sale the next day; likely routine compensation vesting and liquidity action.

The filing discloses a grant of 3,817 restricted stock units that convert one-for-one into common shares and vest ratably over three years, indicating standard equity compensation. The following-day disposal of 9,030.942 shares at $304.05 appears as an individual liquidity event. There is no additional context in the filing indicating a company-wide program change or unusual timing tied to material nonpublic information. Impact on ADP's share count and outstanding equity is immaterial based on disclosed amounts in this Form 4 alone.

Corporate Governance Expert

TL;DR: Transactions are disclosure-compliant and reflect compensation and personal sale; no governance red flags in the report itself.

The report identifies the reporting person as a Corporate Vice President and records both a grant of restricted stock units and a subsequent sale of common stock. The RSUs vest ratably over three years, which aligns with typical retention incentives. The sale is reported with price and share count and the form notes a power of attorney signature. The filing does not show accelerated vesting, related-party transactions, or exceptions to reporting procedures, so governance concerns are not raised by this document alone.

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)
09/01/2025

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	09/01/2025		A		3,817(1)	A	$0.0000	98,290.374	D
Common Stock	09/02/2025		F		9,030.942	D	$304.05	89,259.432	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:

1. In the form of restricted stock units, which are convertible into common stock on a one-for-one basis and vest ratably over 3 years.

	David Kwon (POA on File)	09/03/2025
	** 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.

FAQ

What did ADP insider Michael A. Bonarti report on Form 4?

The Form 4 reports a grant of 3,817 restricted stock units on 09/01/2025 and a sale of 9,030.942 shares on 09/02/2025 at $304.05 per share.

How many ADP shares does Michael A. Bonarti own after these transactions?

Following the reported transactions his beneficial ownership is 89,259.432 shares as stated in the filing.

What are the terms of the restricted stock units reported?

The RSUs convert into common stock on a one-for-one basis and vest ratably over three years, per the filing explanation.

Does the Form 4 indicate any related-party or unusual transactions?

No. The filing shows a standard RSU award and a sale; it does not disclose related-party transactions or accelerated vesting.

Who signed the Form 4 for Michael A. Bonarti?

The filing was signed by David Kwon (POA on File) on 09/03/2025, as indicated on the form.