ADP executive sells 543 shares under plan

AUTOMATIC DATA PROCESSING INC corporate vice president Christopher D'Ambrosio reported an open-market sale of 543 shares of common stock.

Accepted by SEC EDGAR 02/18/2026 - 04:06 PM EST

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Rhea-AI Filing Summary

AUTOMATIC DATA PROCESSING INC corporate vice president Christopher D'Ambrosio reported an open-market sale of 543 shares of common stock. The shares were sold at an average price of $212.43 per share on February 17, 2026 under a Rule 10b5-1 trading plan adopted in September 2025. After this transaction, he directly holds 9,455.23 ADP common shares.

Insider Trade Summary

Net Seller: 543 shares

Net Sell 1 txn

Insider D'Ambrosio Christopher

Role Corp. VP

Sold 543 shs ($115K)

Type	Security	Shares	Price	Value
Sale	Common Stock	543	$212.43	$115K

Holdings After Transaction: Common Stock — 9,455.23 shares (Direct)

Footnotes (1)

F1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.

FAQ

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What insider transaction did ADP report for Christopher D'Ambrosio?

Christopher D'Ambrosio reported selling 543 shares of ADP common stock. The open-market sale occurred at an average price of $212.43 per share and was executed under a pre-established Rule 10b5-1 trading plan adopted in September 2025.

At what price were the ADP shares sold in this Form 4 filing?

The ADP shares were sold at an average price of $212.43 per share. This price reflects the consideration received in the open-market transaction reported, as disclosed for the 543 common shares sold by corporate vice president Christopher D'Ambrosio.

How many ADP shares does Christopher D'Ambrosio own after this sale?

After the reported sale, Christopher D'Ambrosio directly owns 9,455.23 ADP common shares. This remaining holding reflects his direct ownership following the 543-share open-market sale disclosed in the Form 4 insider trading report.

Was the ADP insider sale made under a Rule 10b5-1 trading plan?

Yes, the sale was made under a Rule 10b5-1 trading plan. The footnote explains the transactions were effected pursuant to a trading plan adopted by Christopher D'Ambrosio in September 2025, indicating they were pre-arranged rather than discretionary.

What role does Christopher D'Ambrosio hold at ADP in this Form 4?

Christopher D'Ambrosio is identified as a corporate vice president of ADP. His position as an officer makes his equity transactions reportable, and this Form 4 details his open-market sale of 543 common shares and his post-transaction holdings.

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Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

D'Ambrosio Christopher

(Last)

(First)

(Middle)

ONE ADP BOULEVARD

(Street)

ROSELAND

07068

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
AUTOMATIC DATA PROCESSING INC [ ADP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Corp. VP

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/17/2026		S		543⁽¹⁾	D	$212.43	9,455.23	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.

	David Kwon (POA on File)	02/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR