Msci 4: Wiechmann Andrew C. sold 470 shares of Common Stock at $624… (Feb 4, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-02 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: MSCI Inc. (MSCI) CIK: 0001408198 --- Reporting Owner --- Name: Wiechmann Andrew C. CIK: 0001769683 Role: Officer (Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-02 | Code: F (Payment of exercise/tax) Shares: -470 | Price: $624.75 Total Value: $293,632.50 Shares Owned After: 22,994 | Ownership: D (Direct) Footnotes: [F1] Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 1,137 restricted stock units granted on February 2, 2023. --- Footnotes (Complete Index) --- F1: Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 1,137 restricted stock units granted on February 2, 2023. --- Signature --- /s/ /s/ Cecilia Aza, attorney-in-fact (2026-02-04)