[Form 4] FACTSET RESEARCH SYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Gregory T. Moskoff, MD, Controller and CAO of FactSet Research Systems Inc. (FDS), was reported as the recipient of 190 Performance Share Units (PSUs) that were certified by the Compensation and Talent Committee on September 15, 2025. The PSUs convert 1-for-1 into common stock, carry a reported price of $0 for disclosure purposes, and are scheduled to vest on November 1, 2025 provided continuous employment through that date. Following the award, the filing shows 190 shares beneficially owned directly by the reporting person. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Moskoff on September 17, 2025.

Insights

Financial Analyst

TL;DR Insider received a small PSU award of 190 shares that vests subject to continued employment and prior committee certification.

The reported transaction documents the certification and award of 190 PSUs to a senior finance officer, reflecting performance-based compensation rather than open-market purchasing or selling of shares. The units convert 1-for-1 to common stock and are scheduled to vest on November 1, 2025 if employment continues, so the immediate dilutive impact is limited and contingent. This is a routine insider compensation filing; the direct beneficial ownership reported post-transaction is 190 shares.

Corporate Governance Expert

TL;DR The Form 4 documents a committee-certified performance award for an executive, standard governance disclosure practice.

The disclosure indicates the Compensation and Talent Committee certified performance goals on September 15, 2025 and that PSUs were awarded accordingly. Vesting is time- and employment-contingent to November 1, 2025, which aligns executive pay with performance and retention objectives. The filing is properly executed by an attorney-in-fact and contains the expected details for a Section 16 insider award; there are no governance red flags in the text provided.

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^*

Moskoff Gregory T

(Last) (First) (Middle)

C/O FACTSET RESEARCH SYSTEMS INC.

45 GLOVER AVENUE

(Street)

NORWALK CT 06850

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FACTSET RESEARCH SYSTEMS INC [ FDS ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	MD,Controller and CAO

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

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

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
Performance Share Unit	(1)	09/15/2025		A		190(2)		(2)	(2)	Common Stock	190	$0	190	D

Explanation of Responses:

1. PSUs correspond 1-for-1 with Common Stock.

2. Represents Performance Share Units ("PSUs") earned by Reporting Person upon achievement of performance goals, as certified by the Compensation and Talent Committee on September 15, 2025. The PSUs are scheduled to vest on November 1, 2025, provided the Reporting Person remains continuously employed by the Issuer on that date.

Remarks:

	/s/ WINNIFRED LEWIS, Attorney in Fact for Gregory T. Moskoff	09/17/2025
	** 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.