Christopher R. Ellis - 31 Aug 2025 Form 5 Insider Report for FACTSET RESEARCH SYSTEMS INC (FDS)

Role: EVP, Initiatives & P'ships
Signature: /s/ WINNIFRED LEWIS, Attorney in Fact for Christopher R. Ellis
Issuer symbol: FDS
Transactions as of: 31 Aug 2025
Net transactions value: +$26,968
Form type: 5
Filing time: 07 Oct 2025, 17:30:45 UTC
Previous filing: 09 Jul 2025
Next filing: 17 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ellis Christopher R	EVP, Initiatives & P'ships	45 GLOVER AVENUE, 7TH FLOOR, NORWALK	/s/ WINNIFRED LEWIS, Attorney in Fact for Christopher R. Ellis	07 Oct 2025	0001998939

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FDS	Common Stock	Other	$3,014	+6	+0.03%	$469.48	23,959	19 Sep 2024	Direct	F1
transaction	FDS	Common Stock	Other	$4,617	+13	+0.05%	$362.65	23,971	29 Nov 2024	Direct	F2
transaction	FDS	Common Stock	Other	$3,031	+6	+0.03%	$489.73	23,978	19 Dec 2024	Direct	F1
transaction	FDS	Common Stock	Other	$5,385	+14	+0.06%	$392.48	23,991	28 Feb 2025	Direct	F2
transaction	FDS	Common Stock	Other	$3,055	+7	+0.03%	$430.93	23,998	20 Mar 2025	Direct	F1
transaction	FDS	Common Stock	Other	$4,614	+12	+0.05%	$389.38	24,010	30 May 2025	Direct	F2
transaction	FDS	Common Stock	Other	$3,252	+8	+0.03%	$425.04	24,018	18 Jun 2025	Direct	F1
holding	FDS	Common Stock						450	31 Aug 2025	By Spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares acquired through dividend reinvestment purchases under the FactSet Research Systems Inc. Employee Stock Purchase Plan.
F2	Reflects the acquisition of shares pursuant to the FactSet Research Systems Inc. Employee Stock Purchase Plan.