ADP EVP DeSilva sells 631 shares at $282.87

ADP’s Executive VP reported a Rule 10b5-1-planned sale of 631 shares, retaining about 18.8k ADP shares afterward.

Rhea-AI Filing Summary

AUTOMATIC DATA PROCESSING INC (ADP) executive Joseph DeSilva, Executive VP, reported selling 631 shares of ADP common stock on September 3, 2026 at an average price of $282.87 per share in an open-market or private transaction. After this sale, he directly holds 18,824.188 shares of ADP common stock. The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by DeSilva in September 2025.

Insider Trade Summary 10b5-1

Net Seller: 631 shares

Net Sell 1 txn

Insider DeSilva Joseph

Role Executive VP

Sold 631 shs ($178K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	631	$282.87	$178K

Holdings After Transaction: Common Stock — 18,824.188 shares (Direct)

Footnotes (1)

1. F1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.

Key Figures

Shares sold: 631 shares Sale price per share: $282.87 per share Shares held after transaction: 18,824.188 shares

3 metrics

Shares sold 631 shares Common stock sold by Executive VP on September 3, 2026

Sale price per share $282.87 per share Average price for the 631 ADP shares sold

Shares held after transaction 18,824.188 shares Direct ADP common stock holdings of Executive VP after the sale

Key Terms

Rule 10b5-1 trading plan, Executive VP, non-derivative

3 terms

Rule 10b5-1 trading plan regulatory

"transactions were effected pursuant to a Rule 10b5-1 trading plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Executive VP other

"reporting person’s officer title is listed as Executive VP"

non-derivative financial

"transaction_type is classified as non-derivative"

FAQ

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

What insider transaction did ADP’s Executive VP report on this Form 4?

He reported a sale of 631 shares of ADP common stock on September 3, 2026 at an average price of $282.87 per share in an open-market or private transaction.

How many ADP (ADP) shares does Executive VP Joseph DeSilva hold after this transaction?

After the reported sale, Executive VP Joseph DeSilva directly holds 18,824.188 shares of ADP common stock, as stated in the Form 4.

Was the ADP insider sale by Joseph DeSilva made under a Rule 10b5-1 plan?

Yes. The filing states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by Joseph DeSilva in September 2025, and the Rule 10b5-1 checkbox is affirmed.

What price did the ADP Executive VP receive per share in the reported sale?

The Form 4 reports an average price of $282.87 per share for the 631 shares of ADP common stock sold on September 3, 2026.

Is this ADP Form 4 transaction a buy or a sell by the insider?

This Form 4 reports a sale of ADP common stock by Executive VP Joseph DeSilva. The transaction is coded as a sale and classified as a non-derivative disposition of common stock.

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

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Available on EDGAR 09/04/2026 - 04:08 PM EDT Accepted by SEC EDGAR 09/04/2026 - 04:07 PM EDT 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).

X

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^*

DeSilva Joseph

(Last) (First) (Middle)

ONE ADP BOULEVARD

(Street)

ROSELAND NEW JERSEY 07068

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Executive VP

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	09/03/2026		S		631(1)	D	$282.87	18,824.188	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. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.

	David Kwon (POA on File)	09/04/2026
	** 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.
* Form 4: SEC 1474 (03-26)