MSCI Inc. (MSCI)

Data as of Sep 4, 2026, from SEC Form 4 filings.

S&P 500Net insider buying (90d)Watch MSCI

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Latest MSCI insider trades

Rajat Taneja - Director
Open-market purchase$1.00M
Sep 2, 2026
Andrew C. Wiechmann - Officer
Open-market sale$272K
Jun 10, 2026
Henry A. Fernandez - Officer
Open-market purchase$67K
May 15, 2026
Henry A. Fernandez - Officer
Open-market purchase$134K
May 15, 2026
Henry A. Fernandez - Officer
Open-market purchase$695K
May 15, 2026
Henry A. Fernandez - Officer
Open-market purchase$631K
May 15, 2026
Henry A. Fernandez - Officer
Open-market purchase$451K
May 15, 2026
Henry A. Fernandez - Officer
Open-market purchase$226K
May 15, 2026

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We read every Form 4 as it is filed, MSCI's included, and rank the insider purchases worth a look into a daily trading plan.

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MSCI key statistics

Key statistics for MSCI are not available right now.

Filings (90d)

Form 4

Purchases (90d)

$1.00M

Sales (90d)

Market cap

MSCI insider sentiment, last 90 days

How the dollar value of insider trades on Form 4 split between purchases and sales.

100% Buying0% Selling

1 insider purchase totaling $1.00M and no sales.

Most active MSCI insiders in the last 90 days

About MSCI Inc. (MSCI)

The SEC lists MSCI Inc. under CIK 0001408198, in business services, nec. It is grouped with Information Technology companies on this site.

Sector: Information Technology

SEC filings for MSCI on EDGAR

MSCI Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market purchase	1	1,786	$1.00M
Grant or award	3	16

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

MSCI insider transactions (Form 4)

57 Form 4 filings on record, the earliest from Nov 4, 2024, newest first. Filing history page 1 of 2.

Date	Insider	Transaction	Security	Shares	Price	Value
Sep 2, 2026	Rajat Taneja - Director	Open-market purchase	Common Stock	1,786	$560.00	$1.00M
Aug 28, 2026	June Yang - Director	Grant or award	Common Stock	2^{footnote F1}	$0.00	-
Footnote F1 (shares): 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… Full note on SEC EDGAR
Aug 28, 2026	Linda H. Riefler - Director	Grant or award	Common Stock	8^{footnote F1}	$0.00	-
Footnote F1 (shares): 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… Full note on SEC EDGAR
Aug 28, 2026	Robin Matlock - Director	Grant or award	Common Stock	6^{footnote F1}	$0.00	-
Footnote F1 (shares): 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… Full note on SEC EDGAR
Jun 10, 2026	Andrew C. Wiechmann - Officer	Open-market sale	Common Stock	450^{footnote F1}	$604.56	$272K
Footnote F1 (shares): This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.
Jun 2, 2026	Rajat Taneja - Director	Grant or award	Common Stock	42^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares received, at the Reporting Person's election, in lieu of the Reporting Person's pro-rated cash retainer for committee service.
May 29, 2026	June Yang - Director	Grant or award	Common Stock	2^{footnote F1}	$0.00	-
Footnote F1 (shares): 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… Full note on SEC EDGAR
May 29, 2026	Robin Matlock - Director	Grant or award	Common Stock	6^{footnote F1}	$0.00	-
Footnote F1 (shares): 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… Full note on SEC EDGAR
May 29, 2026	Linda H. Riefler - Director	Grant or award	Common Stock	7^{footnote F1}	$0.00	-
Footnote F1 (shares): 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… Full note on SEC EDGAR
May 15, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	120	$559.40^{footnote F1}	$67K
May 15, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	240	$560.28^{footnote F2}	$134K
May 15, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	1,238	$561.56^{footnote F3}	$695K
May 15, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	1,122	$562.47^{footnote F4}	$631K
May 15, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	800	$563.39^{footnote F5}	$451K
May 15, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	400	$564.42^{footnote F6}	$226K
May 15, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	80	$565.17^{footnote F7}	$45K
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $558.85 to $559.83. 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… Full note on SEC EDGAR Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $559.90 to $560.75. 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… Full note on SEC EDGAR Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $560.91 to $561.88. 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… Full note on SEC EDGAR Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $562.01 to $562.96. 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… Full note on SEC EDGAR Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $563.03 to $563.90. 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… Full note on SEC EDGAR Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $564.12 to $564.74. 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… Full note on SEC EDGAR Footnote F7 (price): This transaction was executed in multiple trades at prices ranging from $565.16 to $565.17. 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… Full note on SEC EDGAR
May 1, 2026	Paula Volent - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.
May 1, 2026	Linda H. Riefler - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): 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.
May 1, 2026	Jacques P. Perold - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.
May 1, 2026	Marcus L. Smith - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.
May 1, 2026	June Yang - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): 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 earlier of June 1, 2031 and the 60th day after such Reporting Person's "separation from… Full note on SEC EDGAR
May 1, 2026	Sandy C. Rattray - Director	Tax withholding / forfeiture	Common Stock	32^{footnote F1}	$0.00	-
May 1, 2026	Sandy C. Rattray - Director	Grant or award	Common Stock	388^{footnote F2}	$0.00	-
Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 385 restricted stock units ("RSUs") granted on May 1, 2025. Footnote F2 (shares): Restricted stock units vesting on May 1, 2027.
May 1, 2026	Rajat Taneja - Director	Grant or award	Common Stock	177	$0.00	-
May 1, 2026	Rajat Taneja - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.
May 1, 2026	Robin Matlock - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): 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 earlier of June 1, 2033 and the 60th day after such Reporting Person's "separation from… Full note on SEC EDGAR
May 1, 2026	Michelle Seitz - Director	Grant or award	Common Stock	388^{footnote F1}	$0.00	-
Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.
May 1, 2026	Robert G. Ashe - Director	Grant or award	Common Stock	490^{footnote F1}	$0.00	-
May 1, 2026	Robert G. Ashe - Director	Grant or award	Common Stock	202	$0.00	-
Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.
Apr 24, 2026	Alvise J. Munari - Officer	Open-market sale	Common Stock	9,960	$592.03^{footnote F1}	$5.90M
Apr 24, 2026	Alvise J. Munari - Officer	Open-market sale	Common Stock	40	$593.31	$24K
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $592.00 to $592.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of… Full note on SEC EDGAR
Mar 17, 2026	Andrew C. Wiechmann - Officer	Open-market sale	Common Stock	450^{footnote F1}	$560.00	$252K
Footnote F1 (shares): This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 3, 2025.
Feb 27, 2026	June Yang - Director	Grant or award	Common Stock	1^{footnote F1}	$0.00	-
Footnote 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… Full note on SEC EDGAR
Feb 27, 2026	Linda H. Riefler - Director	Grant or award	Common Stock	6^{footnote F1}	$0.00	-
Footnote 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… Full note on SEC EDGAR
Feb 27, 2026	Robin Matlock - Director	Grant or award	Common Stock	5^{footnote F1}	$0.00	-
Footnote 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… Full note on SEC EDGAR
Feb 18, 2026	Robert G. Ashe - Director	Open-market purchase	Common Stock	3,681	$543.21^{footnote F1}	$2.00M
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $542.645 to $543.50. 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… Full note on SEC EDGAR
Feb 17, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	200	$520.00	$104K
Feb 13, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	6,000	$524.18^{footnote F1}	$3.15M
Feb 17, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	240	$517.32^{footnote F2}	$124K
Feb 17, 2026	Henry A. Fernandez - Officer	Open-market purchase	Common Stock	360	$519.45^{footnote F3}	$187K
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $523.68 to $524.65. 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… Full note on SEC EDGAR Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $516.77 to $517.67. 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… Full note on SEC EDGAR Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $518.97 to $519.89. 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… Full note on SEC EDGAR
Feb 2, 2026	Andrew C. Wiechmann - Officer	Tax withholding / forfeiture	Common Stock	470^{footnote F1}	$624.75	$294K
Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 1,137 restricted stock units granted on February 2, 2023.
Feb 2, 2026	Alvise J. Munari - Officer	Tax withholding / forfeiture	Common Stock	438^{footnote F1}	$624.75	$274K
Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 1,218 restricted stock units granted on February 2, 2023.
Feb 2, 2026	Robert J. Gutowski - Officer	Tax withholding / forfeiture	Common Stock	276^{footnote F1}	$624.75	$172K
Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 731 restricted stock units granted on February 2, 2023.

Recent MSCI Form 8-K filings

Read MSCI company news

Aug 7, 2026Item 5.02

Read the filing on SEC EDGAR

Jul 21, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Apr 23, 2026Item 5.07

Read the filing on SEC EDGAR

Apr 21, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Mar 31, 2026Item 5.02

Read the filing on SEC EDGAR

Recent MSCI Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Oct 13, 2026	ANDREW CRAIG WIECHMANN	Officer	450	$257K	View on EDGAR
Jun 10, 2026	-	-	-	-	View on EDGAR
Apr 24, 2026	-	-	-	-	View on EDGAR

MSCI insider trading FAQ

What is the latest insider trade for MSCI?

MSCI Inc. (MSCI) had 4 insider filings in the last 90 days, with the most recent on 2026-09-04. The full record for MSCI runs to 57 Form 4 filings, the earliest from 2024-11-04. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying MSCI stock?

1 insider purchase of MSCI was filed in the last 90 days, totaling $1.00M.

How many insiders are selling MSCI stock?

No insider sales of MSCI were filed in the last 90 days. 5 sales are on record for this company.

Where can I see MSCI SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects MSCI Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Information Technology companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Sep 4, 2026 - Rajat Taneja view on EDGAR
Sep 1, 2026 - June Yang view on EDGAR
Sep 1, 2026 - Linda H. Riefler view on EDGAR
Sep 1, 2026 - Robin Matlock view on EDGAR
Jun 12, 2026 - Andrew C. Wiechmann view on EDGAR
Jun 4, 2026 - Rajat Taneja view on EDGAR
Jun 2, 2026 - June Yang view on EDGAR
Jun 2, 2026 - Robin Matlock view on EDGAR
Jun 2, 2026 - Linda H. Riefler view on EDGAR
May 18, 2026 - Henry A. Fernandez view on EDGAR

Related companies with recent insider activity

Learn more

How to read insider buying signals: What an open-market purchase by an insider can and cannot tell you.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Information Technology: Where MSCI's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market purchase

1,786

$1.00M

Grant or award

Date

Insider

Transaction

Security

Price

Value

Sep 2, 2026

Rajat Taneja - Director

Open-market purchase

Common Stock

1,786

$560.00

$1.00M

Aug 28, 2026

June Yang - Director

Grant or award

Common Stock

2^{footnote F1}

$0.00

Footnote F1 (shares): 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… Full note on SEC EDGAR

Aug 28, 2026

Linda H. Riefler - Director

Grant or award

Common Stock

8^{footnote F1}

$0.00

Footnote F1 (shares): 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… Full note on SEC EDGAR

Aug 28, 2026

Robin Matlock - Director

Grant or award

Common Stock

6^{footnote F1}

$0.00

Footnote F1 (shares): 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… Full note on SEC EDGAR

Jun 10, 2026

Andrew C. Wiechmann - Officer

Open-market sale

Common Stock

450^{footnote F1}

$604.56

$272K

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

Jun 2, 2026

Rajat Taneja - Director

Grant or award

Common Stock

42^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares received, at the Reporting Person's election, in lieu of the Reporting Person's pro-rated cash retainer for committee service.

May 29, 2026

June Yang - Director

Grant or award

Common Stock

2^{footnote F1}

$0.00

Footnote F1 (shares): 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… Full note on SEC EDGAR

May 29, 2026

Robin Matlock - Director

Grant or award

Common Stock

6^{footnote F1}

$0.00

Footnote F1 (shares): 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… Full note on SEC EDGAR

May 29, 2026

Linda H. Riefler - Director

Grant or award

Common Stock

7^{footnote F1}

$0.00

Footnote F1 (shares): 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… Full note on SEC EDGAR

May 15, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

120

$559.40^{footnote F1}

$67K

May 15, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

240

$560.28^{footnote F2}

$134K

May 15, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

1,238

$561.56^{footnote F3}

$695K

May 15, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

1,122

$562.47^{footnote F4}

$631K

May 15, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

800

$563.39^{footnote F5}

$451K

May 15, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

400

$564.42^{footnote F6}

$226K

May 15, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

$565.17^{footnote F7}

$45K

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $558.85 to $559.83. 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… Full note on SEC EDGAR
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $559.90 to $560.75. 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… Full note on SEC EDGAR
Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $560.91 to $561.88. 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… Full note on SEC EDGAR
Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $562.01 to $562.96. 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… Full note on SEC EDGAR
Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $563.03 to $563.90. 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… Full note on SEC EDGAR
Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $564.12 to $564.74. 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… Full note on SEC EDGAR
Footnote F7 (price): This transaction was executed in multiple trades at prices ranging from $565.16 to $565.17. 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… Full note on SEC EDGAR

May 1, 2026

Paula Volent - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.

May 1, 2026

Linda H. Riefler - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): 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.

May 1, 2026

Jacques P. Perold - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.

May 1, 2026

Marcus L. Smith - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.

May 1, 2026

June Yang - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): 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 earlier of June 1, 2031 and the 60th day after such Reporting Person's "separation from… Full note on SEC EDGAR

May 1, 2026

Sandy C. Rattray - Director

Tax withholding / forfeiture

Common Stock

32^{footnote F1}

$0.00

May 1, 2026

Sandy C. Rattray - Director

Grant or award

Common Stock

388^{footnote F2}

$0.00

Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 385 restricted stock units ("RSUs") granted on May 1, 2025.
Footnote F2 (shares): Restricted stock units vesting on May 1, 2027.

May 1, 2026

Rajat Taneja - Director

Grant or award

Common Stock

177

$0.00

May 1, 2026

Rajat Taneja - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.

May 1, 2026

Robin Matlock - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): 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 earlier of June 1, 2033 and the 60th day after such Reporting Person's "separation from… Full note on SEC EDGAR

May 1, 2026

Michelle Seitz - Director

Grant or award

Common Stock

388^{footnote F1}

$0.00

Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.

May 1, 2026

Robert G. Ashe - Director

Grant or award

Common Stock

490^{footnote F1}

$0.00

May 1, 2026

Robert G. Ashe - Director

Grant or award

Common Stock

202

$0.00

Footnote F1 (shares): Restricted stock units vesting on May 1, 2027.

Apr 24, 2026

Alvise J. Munari - Officer

Open-market sale

Common Stock

9,960

$592.03^{footnote F1}

$5.90M

Apr 24, 2026

Alvise J. Munari - Officer

Open-market sale

Common Stock

$593.31

$24K

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $592.00 to $592.99. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the issuer or the security holders of… Full note on SEC EDGAR

Mar 17, 2026

Andrew C. Wiechmann - Officer

Open-market sale

Common Stock

450^{footnote F1}

$560.00

$252K

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

Feb 27, 2026

June Yang - Director

Grant or award

Common Stock

1^{footnote F1}

$0.00

Footnote 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… Full note on SEC EDGAR

Feb 27, 2026

Linda H. Riefler - Director

Grant or award

Common Stock

6^{footnote F1}

$0.00

Footnote 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… Full note on SEC EDGAR

Feb 27, 2026

Robin Matlock - Director

Grant or award

Common Stock

5^{footnote F1}

$0.00

Footnote 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… Full note on SEC EDGAR

Feb 18, 2026

Robert G. Ashe - Director

Open-market purchase

Common Stock

3,681

$543.21^{footnote F1}

$2.00M

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $542.645 to $543.50. 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… Full note on SEC EDGAR

Feb 17, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

200

$520.00

$104K

Feb 13, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

6,000

$524.18^{footnote F1}

$3.15M

Feb 17, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

240

$517.32^{footnote F2}

$124K

Feb 17, 2026

Henry A. Fernandez - Officer

Open-market purchase

Common Stock

360

$519.45^{footnote F3}

$187K

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $523.68 to $524.65. 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… Full note on SEC EDGAR
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $516.77 to $517.67. 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… Full note on SEC EDGAR
Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $518.97 to $519.89. 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… Full note on SEC EDGAR

Feb 2, 2026

Andrew C. Wiechmann - Officer

Tax withholding / forfeiture

Common Stock

470^{footnote F1}

$624.75

$294K

Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 1,137 restricted stock units granted on February 2, 2023.

Feb 2, 2026

Alvise J. Munari - Officer

Tax withholding / forfeiture

Common Stock

438^{footnote F1}

$624.75

$274K

Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 1,218 restricted stock units granted on February 2, 2023.

Feb 2, 2026

Robert J. Gutowski - Officer

Tax withholding / forfeiture

Common Stock

276^{footnote F1}

$624.75

$172K

Footnote F1 (shares): Represents shares reacquired by MSCI Inc. to satisfy tax withholding obligations in connection with the vesting and conversion to shares of 731 restricted stock units granted on February 2, 2023.

Filed

Filer

Relationship

Market value

Notice

Oct 13, 2026

ANDREW CRAIG WIECHMANN

Officer

450

$257K

View on EDGAR

Jun 10, 2026

View on EDGAR

Apr 24, 2026

View on EDGAR