John Costigan - Nov 3, 2025 Form 4 Insider Report for FACTSET RESEARCH SYSTEMS INC (FDS)

Role
Chief Data Officer
Signature
/s/ WINNIFRED LEWIS, Attorney in Fact for John Costigan
Stock symbol
FDS
Transactions as of
Nov 3, 2025
Transactions value $
$0
Form type
4
Date filed
11/5/2025, 07:27 PM
Previous filing
Nov 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Costigan John Chief Data Officer FACTSET RESEARCH SYSTEMS INC., 45 GLOVER AVENUE, NORWALK /s/ WINNIFRED LEWIS, Attorney in Fact for John Costigan 2025-11-05 0001927003

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FDS Common Stock Award $0 +3.92K +694.74% $0.00 4.48K Nov 3, 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 +6.97K $0.00 6.97K Nov 3, 2025 Common Stock 6.97K $264.57 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 in thirds annually on the anniversary date of the grant and are fully vested after three years.
F2 Options vest 25% annually on the anniversary date of the grant and are fully vested after four years.