Christopher R. Ellis - Nov 3, 2025 Form 4 Insider Report for FACTSET RESEARCH SYSTEMS INC (FDS)

Signature
/s/ WINNIFRED LEWIS, Attorney in Fact for Christopher R. Ellis
Stock symbol
FDS
Transactions as of
Nov 3, 2025
Transactions value $
$0
Form type
4
Date filed
11/5/2025, 07:21 PM
Previous filing
Nov 3, 2025

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 2025-11-05 0001998939

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 +3.98K $0.00 3.98K Nov 3, 2025 Common Stock 3.98K $264.57 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Options vest 25% annually on the anniversary date of the grant and are fully vested after four years.