ADP (NASDAQ: ADP) insider files to sell 543 shares

Rhea-AI Filing Summary

Automatic Data Processing insider Christopher D'ambrosio has filed to sell 543 shares of ADP common stock through Fidelity Brokerage Services LLC on NASDAQ. The filing lists an aggregate market value of 115349.49 for these shares, compared with 402644364 ADP common shares outstanding.

The shares to be sold were originally acquired as compensation through restricted stock vesting from the issuer, with 274 shares vesting on 09/01/2019 and 269 shares vesting on 09/01/2020. Over the past three months, D'ambrosio has already sold 543 ADP common shares on 01/13/2026 for gross proceeds of 142423.47.

By signing the notice, the seller represents that he does not know any material adverse information about ADP's current or prospective operations that has not been publicly disclosed, as required under Rule 144 and any applicable Rule 10b5-1 trading plans.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	115349.49	402644364	02/17/2026	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	09/01/2019	Restricted Stock Vesting	Issuer			274	09/01/2019	Compensation
Common	09/01/2020	Restricted Stock Vesting	Issuer			269	09/01/2020	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Christopher D'ambrosio One ADP Boulevard Roseland NJ 07068	Common	01/13/2026	543	142423.47

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing for ADP by Christopher D'ambrosio disclose?

The Form 144 discloses that Christopher D'ambrosio intends to sell 543 shares of ADP common stock. The shares have an aggregate market value of 115349.49 and will be sold through Fidelity Brokerage Services LLC on NASDAQ, under Rule 144 resale provisions.

How many ADP (ADP) shares is the insider planning to sell under this Form 144?

The insider plans to sell 543 shares of ADP common stock. The filing shows these shares have an aggregate market value of 115349.49, compared with 402644364 ADP common shares outstanding, providing context for the size of this planned sale.

What is the background of the ADP shares being sold in this Form 144?

The ADP shares were acquired as compensation through restricted stock vesting from the issuer. The filing shows 274 shares vested on 09/01/2019 and 269 shares vested on 09/01/2020, forming the 543 shares now planned for resale under Rule 144.

Has Christopher D'ambrosio sold ADP (ADP) shares recently before this notice?

Yes. The filing reports that D'ambrosio sold 543 ADP common shares on 01/13/2026. Those sales generated gross proceeds of 142423.47 over the past three months, separate from the newly noticed intent to sell another 543 shares under Rule 144.

What representation does the ADP insider make about non-public information in this Form 144?

By signing the notice, the insider represents he does not know any material adverse information about ADP's current or prospective operations that has not been publicly disclosed, consistent with Rule 144 and, if applicable, any written Rule 10b5-1 trading plan.

On which exchange and through which broker will the ADP shares in this Form 144 be sold?

The planned 543-share sale of ADP common stock will be executed on NASDAQ. The filing lists Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917, as the broker handling the Rule 144 resale transaction.