Automatic Data Processing (ADP) VP sells 900 shares in planned trade

Rhea-AI Filing Summary

Automatic Data Processing corporate VP David Kwon reported option exercises and a share sale in company stock. On January 6, 2026, he exercised 1,137 stock options at $138.53 per share, receiving the same number of common shares, and then sold 900 common shares at $260 per share. After these transactions, he directly held 11,992.553 common shares and 2,274 stock options.

The filing notes that these transactions were carried out under a Rule 10b5-1 trading plan adopted by Kwon in September 2025, which is a pre-arranged plan designed to allow insider trades according to preset instructions.

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).

X

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^*

Kwon David

(Last) (First) (Middle)

ONE ADP BOULEVARD

(Street)

ROSELAND NJ 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)
01/06/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/06/2026		M		1,137(1)	A	$138.53	12,892.553	D
Common Stock	01/06/2026		S		900(1)	D	$260	11,992.553	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$138.53	01/06/2026		M			1,137	09/01/2021	08/31/2030	Common Stock	1,137	$138.53	2,274	D

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.

	/s/ David Kwon	01/08/2026
	** 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.

FAQ

What insider transaction did ADP executive David Kwon report?

ADP corporate VP David Kwon reported exercising 1,137 stock options at $138.53 per share and selling 900 common shares at $260 per share on January 6, 2026.

How many ADP shares does David Kwon hold after the reported Form 4 transactions?

After the reported transactions, David Kwon directly held 11,992.553 shares of Automatic Data Processing common stock.

How many stock options does David Kwon still own after exercising options?

Following the exercise of options reported in the filing, David Kwon beneficially owned 2,274 stock options (right to buy) on ADP common stock.

At what prices did David Kwon exercise options and sell ADP shares?

He exercised stock options at an exercise price of $138.53 per share and sold 900 common shares at a sale price of $260 per share.

Were David Kwon’s ADP trades made under a Rule 10b5-1 trading plan?

Yes. The filing states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.

What is David Kwon’s role at Automatic Data Processing (ADP)?

David Kwon is identified as an officer of Automatic Data Processing Inc., with the title Corp VP.