[Form 4] Automatic Data Processing Insider Trading Activity

Rhea-AI Filing Summary

Peter J. Hadley, CFO of Automatic Data Processing, reported changes in his beneficial ownership. The filing shows a grant on 09/01/2025 of 4,008 restricted stock units (RSUs) issued at no cash price, bringing his total reported beneficial ownership to 12,169.356 shares. The RSUs convert one-for-one to common stock and vest ratably over three years. On 09/02/2025 he recorded a disposition (code F) of 1,248.298 shares at $304.05, leaving 10,921.058 shares beneficially owned. The form is signed by a power of attorney, David Kwon, dated 09/03/2025.

Positive

• RSU grant disclosed showing alignment of executive compensation with long-term retention via vesting over three years
• Transparent Section 16 reporting with dates, amounts, and prices provided

Negative

• Insider sale of 1,248.298 shares on 09/02/2025, which reduces reported beneficial ownership

Insights

Corporate Governance Expert

TL;DR: Routine executive equity grant and subsequent sale; shows compensation vesting and partial monetization.

The filing documents a typical mix of compensation and liquidity actions by a senior officer: an award of RSUs that will vest over three years and a near-term disposition of shares. The RSU grant aligns with long-term retention incentives, while the sale reduces immediate insider exposure. Both actions were disclosed under Section 16 reporting rules, providing expected transparency for investors.

Securities Analyst

TL;DR: Non-material for valuation; standard restricted-stock compensation and a routine sale reported.

The 4,008 RSU award at zero cash price reflects compensation rather than a market purchase and will dilute on vesting in the ordinary course. The 1,248.298-share disposition at $304.05 appears to be a liquidity move rather than a signal of company-specific news. No derivative transactions or unusual instruments are disclosed.

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^*

Hadley Peter J

(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)
	CFO

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		4,008(1)	A	$0.0000	12,169.356	D
Common Stock	09/02/2025		F		1,248.298	D	$304.05	10,921.058	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

Who filed the Form 4 for ADP?

The reporting person is Peter J. Hadley, identified as the company's Chief Financial Officer.

What equity was acquired in the filing for ADP?

On 09/01/2025 Hadley was granted 4,008 restricted stock units (RSUs) convertible one-for-one into common stock.

Did the filing report any share dispositions for ADP insider Hadley?

Yes. On 09/02/2025 there was a disposition (code F) of 1,248.298 shares at $304.05.

How do the RSUs vest according to the filing?

The filing states the RSUs vest ratably over three years and convert one-for-one into common stock.

Who signed the Form 4 and when?

A power of attorney, David Kwon, signed the form on 09/03/2025.