ADP (NASDAQ: ADP) CEO Maria Black records discretionary stock transaction

Rhea-AI Filing Summary

AUTOMATIC DATA PROCESSING INC President & CEO Maria Black reported a small discretionary transaction in company common stock. The Form 4 shows a Rule 16b-3(f) discretionary transaction involving 49.4306 shares at $223.94 per share. After this activity, she directly holds 75,101.342 shares of common stock. The filing does not classify the move as a traditional open-market purchase or sale, instead treating it as an "other" discretionary transaction for reporting purposes.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Black Maria

Role President & CEO

Type	Security	Shares	Price	Value
I	Common Stock	49.431	$223.94	$11K

Holdings After Transaction: Common Stock — 75,101.342 shares (Direct, null)

Footnotes (1)

Key Figures

Discretionary transaction shares: 49.4306 shares Transaction price per share: $223.94/share Shares owned after transaction: 75,101.342 shares

3 metrics

Discretionary transaction shares 49.4306 shares Rule 16b-3(f) discretionary transaction in Common Stock

Transaction price per share $223.94/share Price associated with the 49.4306-share discretionary transaction

Shares owned after transaction 75,101.342 shares Total ADP common stock directly held by Maria Black following the transaction

Key Terms

Rule 16b-3(f), discretionary transaction, Common Stock

3 terms

Rule 16b-3(f) regulatory

"Classified as a discretionary transaction under Rule 16b-3(f)."

discretionary transaction financial

"The Form 4 labels the activity as a discretionary transaction."

Common Stock financial

"The security involved in the transaction is ADP Common Stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 04:11 PM Accepted by SEC EDGAR 07/02/2026 - 04:11 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^*

Black Maria

(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)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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	07/01/2026		I		49.4306	A	$223.94	75,101.342	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)	07/02/2026
	** 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)

FAQ

What insider transaction did ADP President & CEO Maria Black report?

Maria Black reported a small discretionary transaction in ADP common stock under Rule 16b-3(f). The filing shows activity involving 49.4306 shares at $223.94 per share, categorized as an "other" transaction rather than a standard buy or sell.

How many ADP shares were affected by Maria Black’s latest Form 4 filing?

The Form 4 shows a discretionary transaction involving 49.4306 ADP common shares. This is reported as a Rule 16b-3(f) discretionary transaction, not as a conventional open-market purchase or sale, and is relatively small compared with her reported ownership.

What is Maria Black’s ADP share ownership after this transaction?

After the reported transaction, Maria Black directly holds 75,101.342 ADP common shares. This total comes from the Form 4 field "total shares following transaction" and reflects her direct ownership position after the Rule 16b-3(f) discretionary transaction.

How is the ADP insider transaction classified in the Form 4?

The transaction is classified as a discretionary transaction under Rule 16b-3(f), with code "I". It is labeled as an "other" transaction, meaning it is neither a standard open-market purchase nor a sale, but still must be reported for compliance purposes.

Did the ADP Form 4 show any insider purchases or sales of stock?

The summary data shows no buys or sells recorded. Instead, it reports one "other" transaction categorized as a discretionary transaction under Rule 16b-3(f), affecting 49.4306 shares of ADP common stock at a reported price of $223.94 per share.