[144] Automatic Data Processing SEC Filing

Rhea-AI Filing Summary

Automatic Data Processing (ADP) filed a Form 144 notifying a proposed sale of 597 shares of common stock to be executed through Fidelity Brokerage Services on NASDAQ on 09/10/2025 with an aggregate market value of $177,249.30. The shares were acquired on 09/01/2025 as restricted stock vesting from the issuer and the payment for those shares is listed as compensation. The filer states there were no other sales by the person in the prior three months and affirms no undisclosed material adverse information.

Positive

• Filer provided full Rule 144 disclosure including acquisition date, nature of acquisition (restricted stock vesting), broker, planned sale date, and aggregate market value
• Securities originated from compensation, indicating the sale is of vested employee/insider compensation rather than an external purchase

Negative

• None.

Insights

Securities Compliance Analyst

TL;DR: Routine insider sale notice for vested restricted shares; reflects compliance with Rule 144 disclosure requirements.

The Form 144 documents a planned disposition of 597 shares arising from restricted stock vesting and identifies the broker, anticipated sale date, and aggregate market value. This filing is procedural and consistent with Rule 144 disclosures required when insiders or certain persons propose to sell restricted or control securities. Key compliance elements are present: acquisition date, nature (restricted stock vesting), payment characterization (compensation), broker details, and a representation that no material nonpublic information is known. No prior sales in the last three months were reported, which is relevant for aggregation under Rule 144(e).

Corporate Governance Specialist

TL;DR: Small, routine sale; disclosure supports transparency but is unlikely to be material to ADP investors.

The 597 shares ($177,249.30) represent a negligible portion of the 405,043,142 shares outstanding disclosed in the filing. Because the shares were issued as compensation and vested one week before the planned sale date, this appears to be an ordinary post-vesting disposition rather than an unusual insider liquidity event. The filing provides the expected level of granularity for governance and insider-transaction monitoring: broker, timing, and acquisition details. From a governance perspective, the filing meets disclosure expectations without indicating unusual risk or governance concerns.

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	597	177249.30	405043142	09/10/2025	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	09/01/2025	Restricted Stock Vesting	Issuer			597	09/01/2025	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

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 ADP's Form 144 disclose about the planned sale?

The filing discloses a proposed sale of 597 common shares via Fidelity on 09/10/2025 with an aggregate market value of $177,249.30.

How were the shares acquired that ADP plans to sell?

The shares were acquired on 09/01/2025 through restricted stock vesting and payment is characterized as compensation.

Does the filing report other sales in the past three months for the same person?

No. The Form 144 states Nothing to Report for securities sold during the past three months by the person.

Through which broker will the ADP shares be sold and on what exchange?

The filing lists Fidelity Brokerage Services LLC and indicates the sale will occur on NASDAQ.

How large is the sale relative to ADP's shares outstanding as reported in the filing?

The filing shows 405,043,142 shares outstanding; the proposed sale of 597 shares represents an immaterial proportion of outstanding stock.