Sanoke Viswanathan - Sep 22, 2025 Form 4 Insider Report for FACTSET RESEARCH SYSTEMS INC (FDS)

Role: Chief Executive Officer, Director
Signature: /s/ WINNIFRED LEWIS, Attorney in Fact for Sanoke Viswanathan
Stock symbol: FDS
Transactions as of: Sep 22, 2025
Transactions value $: $0
Form type: 4
Date filed: 9/24/2025, 05:45 PM
Previous filing: Sep 12, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Viswanathan Sanoke	Chief Executive Officer, Director	45 GLOVER AVENUE, NORWALK	/s/ WINNIFRED LEWIS, Attorney in Fact for Sanoke Viswanathan	2025-09-24	0001670088

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FDS	Common Stock	Award	$0	+58.3K		$0.00	58.3K	Sep 22, 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	FDS	Employee Stock Option (right to buy)	Award	$0	+298K		$0.00	298K	Sep 22, 2025	Common Stock	298K	$295.63	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Restricted stock units vest 25% annually on the anniversary date of the grant and are fully vested after four years.
F2	Options vest if during the performance period ending on the fifth anniversary of the grant date the Issuer's common stock achieves a 30-day trailing volume-weighted average price ("VWAP") equal to or greater than 150% of the 30-day trailing VWAP ending on the grant date. The options will not be exercisable prior to the third anniversary of the grant date.