MSCI director Matlock acquires 6 dividend shares

MSCI Inc. (MSCI) director Robin Matlock reported an acquisition of 6 shares of MSCI common stock on August 28, 2026.

Rhea-AI Filing Summary

MSCI Inc. (MSCI) director Robin Matlock reported an acquisition of 6 shares of MSCI common stock on August 28, 2026. The shares were acquired in connection with MSCI’s payment of a dividend. Following this transaction, Matlock directly holds 2,037 shares of common stock.

Of the acquired shares, 1 share is attributable to unvested RSUs and remains subject to the same vesting conditions as the underlying RSUs. Under the MSCI Inc. Non-Employee Directors Deferral Plan, Matlock has elected to defer receipt of these shares until the earlier of June 1, 2033 or 60 days after “separation from service” as a director.

Insider Trade Summary

Grant/Award: 6 shares

Grant/Award 1 txn

Insider Matlock Robin

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	6	$0.00	$0.00

Holdings After Transaction: Common Stock — 2,037 shares (Direct)

Footnotes (1)

1. F1. Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Of the shares reported, 1 share is attributable to the Reporting Person's unvested RSUs and remains subject to the same vesting conditions as the underlying RSUs. 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.

Key Figures

Shares acquired: 6 shares of Common Stock Shares held after transaction: 2,037 shares of Common Stock RSU-related shares: 1 share attributable to unvested RSUs +2 more

5 metrics

Shares acquired 6 shares of Common Stock Acquired on August 28, 2026 in connection with MSCI Inc.’s payment of a dividend

Shares held after transaction 2,037 shares of Common Stock Direct holdings following the August 28, 2026 acquisition

RSU-related shares 1 share attributable to unvested RSUs Portion of acquired shares that remains subject to RSU vesting conditions

Deferral date under plan June 1, 2033 Earliest elected deferral date for receipt of shares under the Non-Employee Directors Deferral Plan

Transaction price per share $0.0000 per share Reported price for the 6 acquired shares; shares received in connection with dividend payment

Key Terms

Restricted Stock Units, Non-Employee Directors Deferral Plan, separation from service

3 terms

Restricted Stock Units financial

"1 share is attributable to the Reporting Person's unvested RSUs and remains subject"

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, the Reporting Person"

separation from service regulatory

"until the earlier of June 1, 2033 and the 60th day after such Reporting Person's "separation from service""

FAQ

What did MSCI (MSCI) director Robin Matlock report in this Form 4?

Robin Matlock reported acquiring 6 shares of MSCI common stock on August 28, 2026, in connection with MSCI Inc.’s payment of a dividend, bringing direct holdings to 2,037 shares after the transaction.

How many MSCI (MSCI) shares does Robin Matlock hold after this transaction?

After the reported transaction, Robin Matlock directly holds 2,037 shares of MSCI Inc. common stock, as disclosed in the Form 4 filing.

What is the nature of the 6 MSCI (MSCI) shares acquired by Robin Matlock?

The 6 shares of MSCI common stock were acquired in connection with MSCI Inc.’s payment of a dividend. The filing states that this acquisition was reported under transaction code A for a grant, award, or other acquisition.

How many of the acquired MSCI (MSCI) shares are linked to unvested RSUs?

Of the 6 shares acquired by Robin Matlock, 1 share is attributable to unvested RSUs and remains subject to the same vesting conditions as the underlying RSUs.

What deferral election did Robin Matlock make regarding MSCI (MSCI) shares?

Under the MSCI Inc. Non-Employee Directors Deferral Plan, Robin Matlock elected to defer receipt of the shares until the earlier of June 1, 2033 and the 60th day after “separation from service” as a director.

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Available on EDGAR 09/01/2026 - 04:15 PM Accepted by SEC EDGAR 09/01/2026 - 04:14 PM Learn about SEC filing dates

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^*

Matlock Robin

(Last) (First) (Middle)

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)
08/28/2026

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	08/28/2026		A		6(1)	A	$0	2,037	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. Shares acquired by the Reporting Person in connection with MSCI Inc.'s payment of a dividend. Of the shares reported, 1 share is attributable to the Reporting Person's unvested RSUs and remains subject to the same vesting conditions as the underlying RSUs. 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.

Remarks:

	/s/ Cecilia Aza, attorney-in-fact	09/01/2026
	** 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)