[Form 4] FACTSET RESEARCH SYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Helen L. Shan, EVP and Chief Financial Officer of FactSet Research Systems Inc. (FDS), was awarded 1,009 Performance Share Units (PSUs) certified by the Compensation and Talent Committee on September 15, 2025. The PSUs convert 1-for-1 into common stock and are scheduled to vest on November 1, 2025 provided Ms. Shan remains employed on that date. The reported transaction shows 1,009 shares beneficially owned following the award and a reported price of $0, consistent with performance-based equity grants rather than a cash purchase. The Form 4 was signed by an attorney-in-fact on September 17, 2025.

Positive

• 1,009 PSUs awarded and certified by the Compensation and Talent Committee on September 15, 2025, demonstrating performance-based compensation
• PSUs convert 1-for-1 to common stock, tying executive pay to shareholder value if performance goals are met

Negative

• None.

Insights

Financial Analyst

TL;DR: A routine, performance-based equity award to the CFO; small absolute share count unlikely to be materially dilutive.

The award of 1,009 PSUs to the CFO reflects compensation tied to certified performance goals; the units convert 1-for-1 to common stock and vest conditional on continued employment on November 1, 2025. From an investor perspective, this is a standard executive incentive disclosure showing internal alignment of pay with performance rather than an open-market transaction. The zero reported price indicates a grant, not a purchase, and the filing does not indicate any immediate sale or change to control.

Corporate Governance Expert

TL;DR: Governance process followed: Compensation Committee certified performance and the award is disclosed per Section 16 timing requirements.

The Form 4 documents committee certification of PSUs and timely reporting by the reporting person (filed September 17, 2025 for a September 15 certification). The vesting condition—continued employment until November 1, 2025—is clearly stated. This disclosure aligns with standard governance and SEC reporting practices; no additional governance issues or deviations are noted in the filing.

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
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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^*

Shan Helen L.

(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)
	EVP, Chief Financial Officer

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		1,009(2)		(2)	(2)	Common Stock	1,009	$0	1,009	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 Helen L. Shan	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.

FAQ

What did Helen L. Shan report on Form 4 for FDS?

The Form 4 reports the award of 1,009 Performance Share Units (PSUs) certified on September 15, 2025, converting 1-for-1 into common stock.

When do the PSUs awarded to the FDS CFO vest?

The PSUs are scheduled to vest on November 1, 2025, provided the reporting person remains continuously employed by the issuer on that date.

Was there a purchase price for the PSUs in the Form 4?

The Form 4 lists a price of $0, indicating these were granted performance units rather than a purchased security.

Who certified the performance units for Helen L. Shan?

The Compensation and Talent Committee certified the PSUs on September 15, 2025 as stated in the filing.

When was the Form 4 signed and filed?

The form bears a signature by an attorney-in-fact, Winnifred Lewis, dated September 17, 2025.