ADP insider plans Rule 144 sale of 543 shares

Automatic Data Processing, Inc. (ADP) has a notice of proposed sale under Rule 144 covering 543 shares of common stock, to be sold through Fidelity Brokerage Services LLC on or about 01/13/2026 on the NASDAQ exchange.

Rhea-AI Filing Summary

Automatic Data Processing, Inc. (ADP) has a notice of proposed sale under Rule 144 covering 543 shares of common stock, to be sold through Fidelity Brokerage Services LLC on or about 01/13/2026 on the NASDAQ exchange. The filing reports an aggregate market value of 142423.47 for these shares at the time of the notice, compared with 404448744 shares of common stock outstanding.

The securities to be sold were originally acquired as restricted stock vesting from the issuer as compensation, with 136 shares vesting on 09/01/2018 and 407 shares vesting on 09/01/2019, both described as compensation rather than cash purchases. The person for whose account the securities are to be sold represents that they are not aware of undisclosed material adverse information about ADP’s current or prospective operations.

FAQ

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

What does the ADP Form 144 filing disclose?

It discloses a proposed sale under Rule 144 of 543 shares of ADP common stock through Fidelity Brokerage Services LLC on or about 01/13/2026 on NASDAQ.

How many ADP shares are proposed to be sold and what is their value?

The notice covers 543 shares of ADP common stock with an aggregate market value of 142423.47 as presented in the filing.

How were the ADP shares in this Form 144 originally acquired?

The filing states the shares were acquired via restricted stock vesting from the issuer as compensation on 09/01/2018 (136 shares) and 09/01/2019 (407 shares).

How many ADP shares were outstanding at the time referenced in the Form 144?

The Form 144 table notes 404448744 shares of ADP common stock outstanding as a baseline figure distinct from the shares proposed for sale.

What representation does the selling person make in this ADP Form 144?

By signing, the person for whose account the securities may be sold represents that they do not know of any material adverse information about ADP’s current or prospective operations that has not been publicly disclosed.

Which broker is handling the proposed ADP Rule 144 sale?

The proposed sale is listed as being through Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917.

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

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Accepted by SEC EDGAR 01/13/2026 - 09:42 AM 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	0001866614
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	D'Ambrosio Christopher
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	543	142423.47	404448744	01/13/2026	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	09/01/2018	Restricted Stock Vesting	Issuer			136	09/01/2018	Compensation
Common	09/01/2019	Restricted Stock Vesting	Issuer			407	09/01/2019	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	01/13/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/07/2025
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 Christopher D'ambrosio
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)