[Form 4] MSCI, Inc. Insider Trading Activity

Rhea-AI Filing Summary

On 28 Jul 2025, TSSP Sub-Fund HoldCo, LLC and its managing member Alan Waxman jointly filed a Schedule 13G disclosing passive ownership in Caris Life Sciences, Inc. ("CAI") as of 30 Jun 2025.

• TSSP Sub-Fund HoldCo: 23,166,128 shares (8.3 % of the 277,932,779 outstanding).
• Alan Waxman: deemed beneficial owner of 24,385,399 shares (8.8 %) through control of HoldCo and related Sixth Street vehicles.
• Shares are distributed across five entities including Barnett Equity Holdings, Sixth Street Specialty Lending Inc. and related investment LLCs.

Both filers report zero sole and shared voting/dispositive power over the respective share counts; ownership is reported under Rule 13d-1(c) as a passive investment. No additional transactions, changes in control, or certifications were disclosed.

Insights

Financial Analyst

TL;DR: Sixth Street affiliates reveal ~9 % passive stake in CAI; material for ownership mix but no control intent signaled.

The Schedule 13G indicates that Sixth Street–managed entities, via TSSP Sub-Fund HoldCo, accumulated 23.2 m CAI shares, while managing member Alan Waxman is deemed to control 24.4 m shares. At 8.3-8.8 % of outstanding stock, this represents a significant minority holding that must be reported but remains below activism thresholds. Because the filing is on Form 13G (not 13D), it signals no current intent to influence management, suggesting a passive, possibly credit-linked or crossover equity position typical of Sixth Street. From a valuation standpoint, new institutional support can tighten the float and may improve liquidity. However, absent any transactional detail or future plans, the disclosure is largely informational; fundamental outlook for CAI is unchanged.

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
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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).

1. Name and Address of Reporting Person^*

Fernandez Henry A

(Last) (First) (Middle)

MSCI INC.

7 WORLD TRADE CENTER, 250 GREENWICH ST.

(Street)

NEW YORK NY 10007

(City) (State) (Zip)

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
X	Officer (give title below)		Other (specify below)
	Chairman and CEO

3. Date of Earliest Transaction (Month/Day/Year)
07/24/2025

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

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

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

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	07/24/2025		P		9,916	A	$544.7(1)	1,279,867	D
Common Stock	07/25/2025		P		23	A	$546.4	1,279,890	D
Common Stock	07/25/2025		P		18	A	$547.49	1,279,908	D
Common Stock	07/25/2025		P		43	A	$550.41(2)	1,279,951	D
Common Stock	07/24/2025		P		2,400	A	$535.11	332,779	I	By Fernandez 2007 Children's Trust
Common Stock								506,707	I	By Henry Fernandez 2024 MSCI Annuity Trust
Common Stock								15,400	I	By Son
Common Stock								15,400	I	By Son
Common Stock								15,400	I	By Daughter

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
Option to purchase common stock	$549.83							02/03/2025	02/03/2032	Common Stock	29,564		29,564	D
Premium option to purchase common stock	$1,000							01/31/2030	01/31/2035	Common Stock	36,846		36,846	D
Premium option to purchase common stock	$1,100							01/31/2030	01/31/2035	Common Stock	40,780		40,780	D
Premium option to purchase common stock	$1,200							01/31/2030	01/31/2035	Common Stock	44,920		44,920	D

Explanation of Responses:

1. 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.

2. 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.

Remarks:

	/s/ Cecilia Aza, attorney-in-fact	07/28/2025
	** 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.

FAQ

Who filed the Schedule 13G for Caris Life Sciences (CAI)?

TSSP Sub-Fund HoldCo, LLC and its managing member Alan Waxman filed jointly.

How many CAI shares do the reporting persons own?

HoldCo reports 23,166,128 shares; Alan Waxman is deemed to own 24,385,399 shares.

What percentage of Caris Life Sciences’ outstanding stock is represented?

HoldCo owns 8.3 %; Alan Waxman controls 8.8 % of the 277,932,779 shares outstanding.

Is the stake considered passive or activist?

The filing is on Schedule 13G under Rule 13d-1(c), indicating a passive investment.

Under which CUSIP number was the filing made?

The filing references CUSIP 141252107.

When is the ownership date relevant to the filing?

Ownership is reported as of 30 June 2025.