| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gutowski Robert J. | General Counsel | MSCI INC., 7 WORLD TRADE CENTER, 250 GREENWICH ST., NEW YORK | /s/ Cecilia Aza, attorney-in-fact | 28 Jan 2026 | 0001797266 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MSCI | Option to purchase common stock | Award | $0 | +3,624 | $0.000000 | 3,624 | 26 Jan 2026 | Common Stock | 3,624 | $554.52 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents the number of performance stock options ("PSOs") to purchase common stock earned by the reporting person following the certification by the Compensation, Talent and Culture Committee on January 26, 2026 of the achievement of the performance condition applicable to the PSOs. The PSOs were granted on February 2, 2023 and vest on the third anniversary of the grant date, subject to continuous service through such date and satisfaction of the performance condition for the performance period from January 1, 2023 and ending on December 31, 2025. The performance condition for the PSOs was met with respect to 3,624 shares of common stock, and the PSOs are scheduled to vest on February 2, 2026. |