MSCI

SEC source: 0002101503-26-000004 · wk-form4_1770152502.xml · nonDerivative · entry 1

Munari Alvise J. · CIK 0002101503 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,986

F1 · shares: Restricted stock units ("RSUs") that are expected to vest and convert to shares on the third anniversary of the grant date. The final number of shares issued upon vesting will be between 100% and 130% of the target number of RSUs based on achievement of a performance metric for the for the 2026 fiscal year (January 1, 2026 through December 31, 2026).

SEC source: 0001204559-26-000004 · wk-form4_1770152425.xml · nonDerivative · entry 1

Crum Scott A · CIK 0001204559 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,452

F1 · shares: Restricted stock units ("RSUs") that are expected to vest and convert to shares on the third anniversary of the grant date. The final number of shares issued upon vesting will be between 100% and 130% of the target number of RSUs based on achievement of a performance metric for the for the 2026 fiscal year (January 1, 2026 through December 31, 2026).

SEC source: 0001769683-26-000002 · wk-form4_1769634212.xml · derivative · entry 1

Wiechmann Andrew C. · CIK 0001769683 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,639

Underlying: Common Stock · 5,639 shares

Expires 2033-02-02

F1 · shares: 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 5,639 shares of common stock, and the PSOs are scheduled to vest on February 2, 2026.

SEC source: 0001797266-26-000002 · wk-form4_1769634292.xml · derivative · entry 1

Gutowski Robert J. · CIK 0001797266 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,624

Underlying: Common Stock · 3,624 shares

Expires 2033-02-02

F1 · shares: 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.

SEC source: 0001416750-26-000003 · wk-form4_1769634162.xml · derivative · entry 7

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,193

Underlying: Common Stock · 42,193 shares

Expires 2033-02-02

F1 · shares: 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 42,193 shares of common stock, and the PSOs are scheduled to vest on February 2, 2026.

SEC source: 0001416752-26-000002 · wk-form4_1769634228.xml · derivative · entry 1

Pettit CD Baer · CIK 0001416752 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,781

Underlying: Common Stock · 23,781 shares

Expires 2033-02-02

F1 · shares: 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 23,781 shares of common stock, and the PSOs are scheduled to vest on February 2, 2026.

SEC source: 0001204559-26-000002 · wk-form4_1769634262.xml · derivative · entry 1

Crum Scott A · CIK 0001204559 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,968

Underlying: Common Stock · 4,968 shares

Expires 2033-02-02

F1 · shares: 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 4,968 shares of common stock, and the PSOs are scheduled to vest on February 2, 2026.

SEC source: 0002101503-26-000002 · wk-form4_1769634244.xml · derivative · entry 1

Munari Alvise J. · CIK 0002101503 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,042

Underlying: Common Stock · 6,042 shares

Expires 2033-02-02

F1 · shares: 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 6,042 shares of common stock, and the PSOs are scheduled to vest on February 2, 2026.

SEC source: 0001769683-25-000005 · wk-form4_1765577703.xml · nonDerivative · entry 1

Wiechmann Andrew C. · CIK 0001769683 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,639

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 19

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 335,069

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 18

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 335,029

F17 · price: This transaction was executed in multiple trades at prices ranging from $540.05 to $540.46. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 17

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 334,789

F16 · price: This transaction was executed in multiple trades at prices ranging from $538.95 to $539.66. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 16

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 334,675

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 15

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 334,595

F15 · price: This transaction was executed in multiple trades at prices ranging from $536.75 to $537.15. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 14

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 334,278

F14 · price: This transaction was executed in multiple trades at prices ranging from $535.67 to $536.59. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 13

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 333,726

F13 · price: This transaction was executed in multiple trades at prices ranging from $534.59 to $535.58. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 12

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 333,179

F12 · price: This transaction was executed in multiple trades at prices ranging from $533.12 to $533.26. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 11

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 332,919

F11 · price: This transaction was executed in multiple trades at prices ranging from $531.79 to $532.60. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 10

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,487,047

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 9

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,486,967

F10 · price: This transaction was executed in multiple trades at prices ranging from $540.35 to $540.50. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 8

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,486,487

F9 · price: This transaction was executed in multiple trades at prices ranging from $539.27 to $540.15. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 7

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,485,381

F8 · price: This transaction was executed in multiple trades at prices ranging from $538.16 to $538.97. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 6

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,484,877

F7 · price: This transaction was executed in multiple trades at prices ranging from $537.12 to $537.74. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 5

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,484,446

F6 · price: This transaction was executed in multiple trades at prices ranging from $536.00 to $536.97. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 4

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,482,554

F5 · price: This transaction was executed in multiple trades at prices ranging from $535.00 to $535.99. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 3

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,479,364

F4 · price: This transaction was executed in multiple trades at prices ranging from $534.00 to $534.86. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 2

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,478,321

F3 · price: This transaction was executed in multiple trades at prices ranging from $532.72 to $533.55. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001416750-25-000005 · wk-form4_1765280287.xml · nonDerivative · entry 1

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,477,197

F1 · price: This transaction was executed in multiple trades at prices ranging from $531.57 to $532.56. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

F2 · balance_after: The balance shown reflects the transfer of 196,886 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 following a scheduled annuity payment from the 2024 GRAT.

SEC source: 0001797266-25-000008 · wk-form4_1764709616.xml · nonDerivative · entry 1

Gutowski Robert J. · CIK 0001797266 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,675

F1 · shares: Charitable gift to a non-profit organization on behalf of the reporting person.

SEC source: 0002008967-25-000007 · wk-form4_1764710226.xml · nonDerivative · entry 1

Yang June · CIK 0002008967 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 513

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the 60th day after such Reporting Person's "separation from service" as a director.

SEC source: 0001366334-25-000005 · wk-form4_1764709856.xml · nonDerivative · entry 1

RIEFLER LINDA H · CIK 0001366334 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,589

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the 60th day after such Reporting Person's "separation from service" as a director.

SEC source: 0001781215-25-000009 · wk-form4_1764709694.xml · nonDerivative · entry 1

Matlock Robin · CIK 0001781215 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,632

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the earlier of June 1, 2033 and the 60th day after such Reporting Person's "separation from service" as a director.

SEC source: 0001797266-25-000006 · wk-form4_1764200381.xml · nonDerivative · entry 2

Gutowski Robert J. · CIK 0001797266 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,765

F1 · shares: Charitable gift to an educational institution on behalf of the reporting person.

SEC source: 0001797266-25-000006 · wk-form4_1764200381.xml · nonDerivative · entry 1

Gutowski Robert J. · CIK 0001797266 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,945

SEC source: 0002008967-25-000005 · wk-form4_1756843359.xml · nonDerivative · entry 1

Yang June · CIK 0002008967 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 512

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the 60th day after such Reporting Person's "separation from service" as a director.

SEC source: 0001408198-25-000184 · wk-form4_1756843376.xml · nonDerivative · entry 1

RIEFLER LINDA H · CIK 0001366334 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,583

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the 60th day after such Reporting Person's "separation from service" as a director.

SEC source: 0001781215-25-000005 · wk-form4_1756843346.xml · nonDerivative · entry 1

Matlock Robin · CIK 0001781215 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,628

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the earlier of June 1, 2033 and the 60th day after such Reporting Person's "separation from service" as a director.

SEC source: 0001408198-25-000181 · wk-form4_1753734612.xml · nonDerivative · entry 4

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,279,951

F2 · price: This transaction was executed in multiple trades at prices ranging from $550.00 to $550.97. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001408198-25-000181 · wk-form4_1753734612.xml · nonDerivative · entry 3

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,279,908

SEC source: 0001408198-25-000181 · wk-form4_1753734612.xml · nonDerivative · entry 2

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,279,890

SEC source: 0001408198-25-000181 · wk-form4_1753734612.xml · nonDerivative · entry 5

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Fernandez 2007 Children's Trust

Disclosed balance after: 332,779

SEC source: 0001408198-25-000181 · wk-form4_1753734612.xml · nonDerivative · entry 1

Fernandez Henry A · CIK 0001416750 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,279,867

F1 · price: This transaction was executed in multiple trades at prices ranging from $544.18 to $545.00. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001408198-25-000169 · wk-form4_1749240024.xml · nonDerivative · entry 6

Pettit CD Baer · CIK 0001416752 · Director · President & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 284,787

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2024.

SEC source: 0001408198-25-000169 · wk-form4_1749240024.xml · nonDerivative · entry 5

Pettit CD Baer · CIK 0001416752 · Director · President & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 285,096

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2024.

SEC source: 0001408198-25-000169 · wk-form4_1749240024.xml · nonDerivative · entry 4

Pettit CD Baer · CIK 0001416752 · Director · President & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 285,097

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2024.

SEC source: 0001408198-25-000169 · wk-form4_1749240024.xml · nonDerivative · entry 3

Pettit CD Baer · CIK 0001416752 · Director · President & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 285,197

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2024.

F4 · price: This transaction was executed in multiple trades at prices ranging from $563.88 to $564.79. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001408198-25-000169 · wk-form4_1749240024.xml · nonDerivative · entry 2

Pettit CD Baer · CIK 0001416752 · Director · President & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 286,306

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2024.

F3 · price: This transaction was executed in multiple trades at prices ranging from $562.86 to $563.84. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001408198-25-000169 · wk-form4_1749240024.xml · nonDerivative · entry 1

Pettit CD Baer · CIK 0001416752 · Director · President & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 288,457

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 4, 2024.

F2 · price: This transaction was executed in multiple trades at prices ranging from $561.835 to $562.79. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of the issuer full information regarding the number of shares and prices at which each transaction was effected.

SEC source: 0001408198-25-000165 · wk-form4_1748980906.xml · nonDerivative · entry 1

Yang June · CIK 0002008967 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 511

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the 60th day after such Reporting Person's "separation from service" as a director.

SEC source: 0001408198-25-000163 · wk-form4_1748980828.xml · nonDerivative · entry 1

RIEFLER LINDA H · CIK 0001366334 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,577

F1 · shares: Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan, the Reporting Person has elected to defer receipt of the shares until the 60th day after such Reporting Person's "separation from service" as a director.