FACTSET RESEARCH SYSTEMS INC — Director's Dealing 2025

Nov 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FACTSET RESEARCH SYSTEMS INC (FDS)
CIK: 0001013237
Period of Report: 2025-11-01

Reporting Person: Ellis Christopher R (EVP, Initiatives & P'ships)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-01	Common Stock	M	352	—	Acquired	24369.8707	Direct
2025-11-01	Common Stock	F	164	$266.80	Disposed	24205.8707	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-01	Performance Share Unit	$	M	352	Disposed		Common Stock (352)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	450	Indirect

Footnotes

F1: Represents common stock received upon the vesting on November 1, 2025 of performance share units ("PSUs") granted on November 1, 2022.

F2: Represents the number of shares withheld to cover the cost of taxes upon vesting on November 1, 2025 of PSUs granted on November 1, 2022.

F3: Reflects vesting on November 1, 2025 of PSUs granted on November 1, 2022.