Christopher R. Ellis - Nov 1, 2023 Form 4 Insider Report for FACTSET RESEARCH SYSTEMS INC (FDS)

Role: EVP, Initiatives & P'ships
Signature: /s/ RACHEL R. STERN, Attorney in Fact for Christopher R. Ellis
Stock symbol: FDS
Transactions as of: Nov 1, 2023
Transactions value $: -$13,970
Form type: 4
Date filed: 11/3/2023, 08:04 PM
Next filing: Nov 13, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FDS	Common Stock	Tax liability	-$14K	-32	-0.14%	$436.57	22.6K	Nov 1, 2023	Direct	F1
holding	FDS	Common Stock						450	Nov 1, 2023	By Spouse

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	+2.26K		$0.00	2.26K	Nov 1, 2023	Common Stock	2.26K	$436.57	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents the number of shares withheld to cover the cost of taxes upon vesting of restricted stock granted on November 1, 2018, which was previously reported. The restricted stock vests 20% annually on the anniversary date of the grant and is fully vested after five years.
F2	Options vest 20% annually on the anniversary date of the grant and are fully vested after five years.