[Form 4] FACTSET RESEARCH SYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Barak Eilam, identified as a Director of FactSet Research Systems Inc. (FDS), reported a correction to prior ownership reporting. The Form 4 shows a sale of one share executed on 10/03/2025 at a price of $283.21. Following the reported transaction the filing lists 285 shares beneficially owned. The filing notes this entry corrects an omission from the Reporting Person's earlier Form 3 and is signed on 10/07/2025 by an attorney-in-fact.

Positive

• Filed a corrective amendment to disclose an omitted share sale, restoring compliance with Section 16
• Transaction size is immaterial: sale of one share at $283.21 limits investor impact

Negative

• Initial omission on Form 3 required a later correction, indicating an earlier reporting oversight

Insights

Corporate Governance Analyst

Minor corrective sale; administratively important but not material to shareholders.

The filing documents a corrective sale of one share by Director Barak Eilam on 10/03/2025 at $283.21, with 285 shares reported as beneficially owned afterwards. Such amendments restore accuracy to Section 16 reporting and fulfill statutory disclosure duties.

This is an administrative correction rather than a trading signal: the transaction is minimal in size so it is unlikely to affect ownership percentages or market perception. Monitor future Section 16 filings for any additional corrections or larger transactions within the next reporting cycle.

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^*

Eilam Barak

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/03/2025

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
Common Stock	10/03/2025		S		1(1)	D	$283.21	285(1)	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

Explanation of Responses:

1. Reflects the sale of one share that was inadvertently omitted from the Reporting Person's Form 3.

Remarks:

	/s/ WINNIFRED LEWIS, Attorney in Fact for Barak Eilam	10/07/2025
	** 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 FactSet director Barak Eilam report on Form 4 (FDS)?

He reported a sale of one share executed on 10/03/2025 at $283.21 and an ending beneficial ownership of 285 shares.

Why was this Form 4 filed for Barak Eilam (FDS)?

The filing corrects an omission from the Reporting Person's earlier Form 3 by disclosing the one-share sale.

Does the reported sale materially change ownership for Barak Eilam?

No. The sale was one share, reported as corrective, and is immaterial to overall ownership percentages.

When was the Form 4 amendment signed?

The signature by an attorney-in-fact is dated 10/07/2025.

What price was the share sold for in the reported transaction?

The transaction price reported is $283.21.