Director (MSCI: MSCI) receives 388 RSUs vesting on May 1, 2027

Rhea-AI Filing Summary

RIEFLER LINDA H reported acquisition or exercise transactions in this Form 4 filing.

MSCI Inc. director Linda H. Riefler reported receiving an equity grant of 388 shares of MSCI common stock as a compensation award, at a stated price of $0.00 per share. These restricted stock units are scheduled to vest on May 1, 2027, and she has elected under the MSCI Inc. Non-Employee Directors Deferral Plan to defer delivery of the shares until the 60th day after her separation from service as a director. Following this grant, she directly holds 20,983 shares of MSCI common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider RIEFLER LINDA H

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	388	$0.00	--

Holdings After Transaction: Common Stock — 20,983 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSU grant size: 388 shares Grant price per share: $0.00 per share Post-grant holdings: 20,983 shares +1 more

4 metrics

RSU grant size 388 shares Restricted stock unit award reported on May 1, 2026

Grant price per share $0.00 per share Stated transaction price for RSU grant

Post-grant holdings 20,983 shares Total MSCI common shares held directly after transaction

Vesting date May 1, 2027 Scheduled vesting date for the 388 restricted stock units

Key Terms

Restricted stock units, Non-Employee Directors Deferral Plan, separation from service

3 terms

Restricted stock units financial

"Restricted stock units vesting on May 1, 2027."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Non-Employee Directors Deferral Plan financial

"Pursuant to the MSCI Inc. Non-Employee Directors Deferral Plan,"

separation from service financial

"until the 60th day after such Reporting Person's "separation from service" as a director."

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

RIEFLER LINDA H

(Last) (First) (Middle)

MSCI INC.

7 WORLD TRADE CENTER, 250 GREENWICH ST.

(Street)

NEW YORK NEW YORK 10007

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MSCI Inc. [ MSCI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/01/2026		A		388(1)	A	$0	20,983	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Restricted stock units vesting on May 1, 2027. 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.

Remarks:

	/s/ Cecilia Aza, attorney-in-fact	05/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did MSCI (MSCI) director Linda H. Riefler report in this Form 4 filing?

Linda H. Riefler reported receiving a grant of 388 shares of MSCI common stock as a restricted stock unit award. The grant is compensation, not an open-market share purchase, and increases her directly held position to 20,983 MSCI shares after the transaction.

Is the MSCI (MSCI) Form 4 transaction a stock purchase or a compensation grant?

The Form 4 shows a compensation grant, not a stock purchase. Riefler received 388 shares of MSCI common stock with a reported price of $0.00 per share, classified as a grant, award, or other acquisition rather than an open-market buy or sell transaction.

When do Linda H. Riefler’s MSCI (MSCI) restricted stock units vest?

The 388 restricted stock units reported by Linda H. Riefler are scheduled to vest on May 1, 2027. Vesting means the units convert into shares of MSCI common stock, subject to the company’s terms and any continued service or other applicable conditions.

How many MSCI (MSCI) shares does Linda H. Riefler hold after this Form 4 grant?

After the reported grant, Linda H. Riefler directly holds 20,983 shares of MSCI common stock. This total reflects the new 388-share award added to her existing position, as disclosed in the Form 4’s post-transaction ownership figure.

How is the MSCI (MSCI) stock grant to Linda H. Riefler being deferred?

Under the MSCI Inc. Non-Employee Directors Deferral Plan, Riefler has elected to defer receipt of the 388 shares. Delivery will occur on the 60th day after her separation from service as a director, rather than immediately upon vesting of the restricted stock units.