FACTSET RESEARCH SYSTEMS INC (FDS) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-01-15 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: FACTSET RESEARCH SYSTEMS INC (FDS) CIK: 0001013237 --- Reporting Owner --- Name: SIEGEL LAURIE CIK: 0001223626 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-01-15 | Code: A (Grant or award) Shares: +626 | Price: $0.00 Shares Owned After: 1,663 | Ownership: D (Direct) Footnotes: [F1] Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant. --- Derivative Transactions --- [Transaction #1] Security: Non-Employee Director Stock Option (right to buy) Date: 2026-01-15 | Code: A (Grant or award) Shares: +1,531 | Price: $0.00 Exercisable: N/A | Expires: 2033-01-15 Shares Owned After: 1,531 | Ownership: D (Direct) Footnotes: [F2] Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant. --- Footnotes (Complete Index) --- F1: Restricted stock units granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant. F2: Options granted to non-employee Directors cliff vest 100% on the first anniversary of the date of grant. --- Signature --- /s/ /s/ WINNIFRED LEWIS, Attorney in Fact for Laurie Siegel (2026-01-20)