Sandy C. Rattray - 01 May 2025 Form 4 Insider Report for MSCI Inc. (MSCI)

Role: Director
Signature: /s/ Cecilia Aza, attorney-in-fact
Issuer symbol: MSCI
Transactions as of: 01 May 2025
Net transactions value: -$22,389
Form type: 4
Filing time: 05 May 2025, 16:03:01 UTC
Previous filing: 03 May 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Rattray Sandy C.	Director	MSCI INC., 7 WORLD TRADE CENTER, 250 GREENWICH ST., NEW YORK	/s/ Cecilia Aza, attorney-in-fact	05 May 2025	0001801716

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MSCI	Common Stock	Tax liability	$22,389	-41	-1.9%	$546.07	2,064	01 May 2025	Direct	F1
transaction	MSCI	Common Stock	Award	$0	+385	+19%	$0.000000	2,449	01 May 2025	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 450 restricted stock units ("RSUs") granted on May 1, 2024.
F2	Restricted stock units vesting on May 1, 2026.