ADP holder plans Rule 144 sale of $433K stock

ADP plans to sell David P. Foskett’s 1,529 shares under Rule 144, valued about $432,707, with an anticipated NASDAQ sale around Sept. 2, 2026.

Rhea-AI Filing Summary

AUTOMATIC DATA PROCESSING INC (ADP) is the issuer for a planned sale of company common stock under Rule 144 by David P. Foskett. The notice covers 1,529 shares of common stock held at Fidelity Brokerage Services LLC, with an aggregate market value of $432,707, and references 397,262,737 shares outstanding. The shares were acquired from the issuer on September 1, 2026 through Restricted Stock Vesting as compensation, with an anticipated sale around September 2, 2026 on NASDAQ.

Key Figures

Shares to be sold: 1,529 shares Aggregate market value of shares to be sold: $432,707 Shares outstanding: 397,262,737 shares +2 more

5 metrics

Shares to be sold 1,529 shares Common stock covered by the Rule 144 notice for David P. Foskett

Aggregate market value of shares to be sold $432,707 Value of 1,529 ADP common shares listed in the securities information

Shares outstanding 397,262,737 shares ADP common shares outstanding referenced in the Rule 144 notice

Approximate sale date September 2, 2026 Date listed for the planned NASDAQ sale of the shares

Acquisition date of shares September 1, 2026 Date the shares were acquired through Restricted Stock Vesting as compensation

Key Terms

Rule 144, Restricted Stock Vesting, aggregate market value, attorney-in-fact

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Common | 09/01/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

aggregate market value financial

"Common | Fidelity Brokerage Services LLC ... | 1529 | 432707.00 |"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for David P. Foskett"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What does the Form 144 filing involving ADP common stock disclose?

It discloses a planned Rule 144 sale related to Automatic Data Processing Inc. (ADP) common stock, covering 1,529 shares held for David P. Foskett, acquired via Restricted Stock Vesting as compensation on September 1, 2026, with an anticipated NASDAQ sale around September 2, 2026.

How many ADP shares are covered by this Rule 144 notice and what is their value?

The notice covers 1,529 ADP common shares with an aggregate market value of $432,707 as stated in the securities information section of the filing.

How were the ADP shares in this Form 144 acquired?

The 1,529 ADP common shares were acquired from the issuer on September 1, 2026 through Restricted Stock Vesting, with the nature of the acquisition described as Compensation.

When is the planned sale date for the ADP shares in this Form 144?

The filing lists an approximate sale date of September 2, 2026 for the 1,529 ADP common shares, with trading to occur on NASDAQ.

How many ADP shares are outstanding according to this Form 144?

The securities information section lists 397,262,737 shares outstanding of Automatic Data Processing Inc. common stock at the time referenced in the notice.

Who is acting for the selling holder in the ADP Form 144 filing?

The notice is signed by Jennifer Ruchti as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for David P. Foskett.

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

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Available on EDGAR 09/02/2026 - 11:31 AM EDT Accepted by SEC EDGAR 09/02/2026 - 11:30 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002046853
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	AUTOMATIC DATA PROCESSING INC
SEC File Number	001-05397
Address of Issuer	ONE ADP BOULVARD ROSELAND NEW JERSEY 07068
Phone	9739745000
Name of Person for Whose Account the Securities are To Be Sold	Foskett David
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1529	432707.00	397262737	09/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/01/2026	Restricted Stock Vesting	Issuer			1529	09/01/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/05/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David P. Foskett
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)