ASGN (ASGN) director Brian J. Callaghan reports 4,500-share equity award

Rhea-AI Filing Summary

ASGN Inc. director Brian J. Callaghan reported receiving a new equity award in the form of common stock. On 01/02/2026, he acquired 4,500 shares of ASGN common stock at a price of $46.66 per share. The filing explains that this grant of restricted stock units vests 50% on the grant date and the remaining 50% on the one-year anniversary of the grant date, subject to continued service to the company.

Following this transaction, Callaghan beneficially owns 7,698 shares directly and an additional 323,829 shares indirectly through a trust. This filing reflects director equity compensation and updates his reported ownership in ASGN.

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

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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^*

Callaghan Brian J.

(Last) (First) (Middle)

ASGN INCORPORATED

4400 COX ROAD, SUITE 110

(Street)

GLEN ALLEN VA 23060

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ASGN Inc [ ASGN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

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	01/02/2026		A		4,500(1)	A	$46.66	7,698	D
Common Stock								323,829	I	by Trust

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

Explanation of Responses:

1. This grant of restricted stock units vests 50% on the grant date, and the remaining 50% vests on the one-year anniversary of the grant date subject to continued service to the issuer.

	By: Jennifer H. Painter, CLO For: Brian J. Callaghan	01/06/2026
	** 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).
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FAQ

What insider transaction did ASGN (ASGN) report for Brian J. Callaghan?

The report shows that director Brian J. Callaghan acquired 4,500 shares of ASGN common stock on 01/02/2026 as part of an equity award at a price of $46.66 per share.

What type of equity award did Brian J. Callaghan receive at ASGN (ASGN)?

He received a grant of restricted stock units covering 4,500 shares of ASGN common stock, with a specified vesting schedule tied to his continued service.

How do the restricted stock units granted to the ASGN (ASGN) director vest?

According to the disclosure, the restricted stock units vest 50% on the grant date and the remaining 50% on the one-year anniversary of the grant date, subject to continued service to ASGN.

How many ASGN (ASGN) shares does Brian J. Callaghan own after this transaction?

After the transaction, he beneficially owns 7,698 shares of ASGN common stock directly and 323,829 shares indirectly through a trust.

What is the relationship of the reporting person to ASGN (ASGN)?

The reporting person, Brian J. Callaghan, is identified as a Director of ASGN Inc.

Was the ASGN (ASGN) Form 4 filed for one individual or a group?

The Form 4 indicates it was filed by one reporting person, reflecting the holdings and transaction of Brian J. Callaghan only.