Automatic Data Processing (ADP) officer plans $223K sale after $641K July trade

Rhea-AI Filing Summary

AUTOMATIC DATA PROCESSING INC (ADP) received a notice that officer David Kwon plans to sell 798 shares of common stock through Fidelity Brokerage Services LLC under Rule 144, with a planned sale date of 08/20/2026. The shares are to be issued from a stock option exercise, and the notice also reports that Kwon sold 2,414 shares of ADP common stock during the past three months.

Key Figures

Planned shares to be sold: 798 shares Aggregate sale value (planned): $223,440.00 Shares outstanding: 397,262,737 shares +3 more

6 metrics

Planned shares to be sold 798 shares Common stock to be sold by David Kwon under Rule 144

Aggregate sale value (planned) $223,440.00 Associated with the 798 ADP common shares listed for sale

Shares outstanding 397,262,737 shares ADP common shares outstanding used in the Form 144 disclosure

Planned sale date 08/20/2026 Proposed date for sale of 798 ADP common shares

Shares sold in past 3 months 2,414 shares ADP common shares sold by David Kwon on 07/30/2026

Proceeds from past 3-month sale $641,206.68 Proceeds from sale of 2,414 ADP common shares on 07/30/2026

Key Terms

Rule 144, Stock Option Exercise, attorney-in-fact

3 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.

Stock Option Exercise financial

"Common | 08/20/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

attorney-in-fact regulatory

"as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David Kwon"

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

What insider sale is disclosed for ADP in this Form 144 notice?

The notice discloses that officer David Kwon plans to sell 798 ADP common shares on or about 08/20/2026 following a stock option exercise, through Fidelity Brokerage Services LLC.

How many ADP (ADP) shares did David Kwon sell in the past three months?

Over the past three months, David Kwon reported selling 2,414 shares of ADP common stock for proceeds of $641,206.68, in addition to the planned 798-share sale under this Form 144 notice.

What is the size of the planned ADP (ADP) sale relative to shares outstanding?

The filing lists 798 shares planned for sale versus 397,262,737 ADP shares outstanding, indicating the proposed sale represents a very small fraction of the company’s total common shares.

What transaction type is associated with the ADP (ADP) shares to be sold?

The planned sale of 798 ADP shares is tied to a Stock Option Exercise, with the issuer listed as the source of the shares and cash as the form of payment.

Which broker is handling the planned ADP (ADP) Rule 144 sale?

The broker listed for the planned Rule 144 sale of 798 ADP shares is Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island.

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

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Available on EDGAR 08/20/2026 - 01:43 PM Accepted by SEC EDGAR 08/20/2026 - 01:42 PM 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	0001872194
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	Kwon 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	798	223440.00	397262737	08/20/2026	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	08/20/2026	Stock Option Exercise	Issuer			798	08/20/2026	Cash

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
David Kwon One ADP Boulevard Roseland NJ 07068	Common	07/30/2026	2414	641206.68

144: Remarks and Signature

Remarks
Date of Notice	08/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/03/2025
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/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David Kwon
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)