MSCI Inc. (MSCI) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-28 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: MSCI Inc. (MSCI) CIK: 0001408198 --- Reporting Owner --- Name: Fernandez Henry A CIK: 0001416750 Role: Director, Officer (Chairman and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-04-28 | Code: G (Gift) Shares: -75,707 | Price: $0.00 Shares Owned After: 0 | Ownership: I (Indirect) | Nature: By Henry Fernandez 2024 MSCI Annuity Trust Footnotes: [F1] The balance shown reflects the transfer of 234,114 shares previously indirectly held by the Henry Fernandez 2024 MSCI Annuity Trust (the "2024 GRAT"), a grantor retained annuity trust established by the Reporting Person, to direct holdings of the Reporting Person, reflecting the final scheduled annuity payment from the 2024 GRAT. [F2] The reported transaction reflects the distribution of the remaining shares held by the 2024 GRAT to The Fernandez 2007 Children's Trust upon the scheduled termination of the 2024 GRAT. The spouse of the Reporting Person is the trustee of The Fernandez 2007 Children's Trust. [Transaction #2] Security: Common Stock Date: 2026-04-28 | Code: G (Gift) Shares: +75,707 | Price: $0.00 Shares Owned After: 410,776 | Ownership: I (Indirect) | Nature: By Fernandez 2007 Children's Trust Footnotes: [F2] The reported transaction reflects the distribution of the remaining shares held by the 2024 GRAT to The Fernandez 2007 Children's Trust upon the scheduled termination of the 2024 GRAT. The spouse of the Reporting Person is the trustee of The Fernandez 2007 Children's Trust. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) Footnotes: [F1] The balance shown reflects the transfer of 234,114 shares previously indirectly held by the Henry Fernandez 2024 MSCI Annuity Trust (the "2024 GRAT"), a grantor retained annuity trust established by the Reporting Person, to direct holdings of the Reporting Person, reflecting the final scheduled annuity payment from the 2024 GRAT. [Holding #2] Security: Common Stock Ownership: I (Indirect) [Holding #3] Security: Common Stock Ownership: I (Indirect) [Holding #4] Security: Common Stock Ownership: I (Indirect) [Holding #5] Security: Option to purchase common stock Ownership: D (Direct) [Holding #6] Security: Premium option to purchase common stock Ownership: D (Direct) [Holding #7] Security: Premium option to purchase common stock Ownership: D (Direct) [Holding #8] Security: Premium option to purchase common stock Ownership: D (Direct) [Holding #9] Security: Option to purchase common stock Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: The balance shown reflects the transfer of 234,114 shares previously indirectly held by the Henry Fernandez 2024 MSCI Annuity Trust (the "2024 GRAT"), a grantor retained annuity trust established by the Reporting Person, to direct holdings of the Reporting Person, reflecting the final scheduled annuity payment from the 2024 GRAT. F2: The reported transaction reflects the distribution of the remaining shares held by the 2024 GRAT to The Fernandez 2007 Children's Trust upon the scheduled termination of the 2024 GRAT. The spouse of the Reporting Person is the trustee of The Fernandez 2007 Children's Trust. --- Signature --- /s/ /s/ Cecilia Aza, attorney-in-fact (2026-04-30)