FACTSET RESEARCH SYSTEMS INC — Director's Dealing 2026

Jan 12, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FACTSET RESEARCH SYSTEMS INC (FDS)
CIK: 0001013237
Period of Report: 2026-01-08

Reporting Person: SIEGEL LAURIE (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-08	Common Stock	M	2572	$207.88	Acquired	3609	Direct
2026-01-08	Common Stock	S	1984	$296.12	Disposed	1625	Direct
2026-01-08	Common Stock	S	588	$296.67	Disposed	1037	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-08	Non-Employee Director Stock Option (right to buy)	$207.88	M	2572	Disposed	2026-01-15	Common Stock (2572)	Direct

Footnotes

F1: This transaction was executed in multiple trades with sales prices ranging from $295.50 to $296.49. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: This transaction was executed in multiple trades with sales prices ranging from $296.52 to $296.73. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: Non-qualified stock options granted to non-employee Directors cliff vest 100% after three years from the date the options were granted.