GCM Grosvenor Inc. (GCMG) Insider Trading

Last 12 months

Insiders sold $2.57M and bought nothing on the open market.

61% of the selling was scheduled in advance under 10b5-1 plans. Principal Accounting Officer Kathleen Patricia Sullivan sold $526k on Sep 3, 47% of their stake, outside a plan. No executive or director has bought shares on the open market in the last two years.

Net open-market

−$2.57M

0 buys · 4 sales

Under a 10b5-1 plan

61%

of the value sold

Insiders who bought / sold

0 / 3

executives and directors

Last open-market buy

None

in the last two years

Get an email when GCMG's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Sep 15 – 16	Pamela L Bentley Chief Financial Officer	Sold10b5-1 plan 2 parts	50,000	$12.58 average	$629k	78%	Form 4
Sep 2 – 3	Kathleen Patricia Sullivan Principal Accounting Officer	SoldNo plan 2 parts	40,000	$13.15 average	$526k	47%	Form 4
Jul 15 – 16	Fitzgerald L. P. Cantor Large holder	SoldNo plan 3 parts	557,106	$13.63 average	$7.6M	8.6%	Form 4
Feb 26 – 27	Angela Blanton Director	SoldNo plan 2 parts	41,184	$11.87 average	$489k	47%	Form 4
Dec 16, 2025 – Dec 17, 2025	Pamela L Bentley Chief Financial Officer	Sold10b5-1 plan 2 parts	80,000	$11.62 average	$929k	96%	Form 4
Oct 6, 2025	Howard W Lutnick Large holder	SoldNo plan	6,451,535	—	—	100%	Form 4
Aug 12, 2025	Kathleen Patricia Sullivan Principal Accounting Officer	SoldNo plan	6,000	$13.02	$78k	9.1%	Form 4
Jun 2, 2025	Angela Blanton Director	SoldNo plan	13,902	$12.65	$176k	100%	Form 4

Sep 15 – 1610b5-1 plan
Pamela L Bentley
Chief Financial Officer · sold 50,000 at avg $12.58
$629k
78% of stake
Sep 2 – 3No plan
Kathleen Patricia Sullivan
Principal Accounting Officer · sold 40,000 at avg $13.15
$526k
47% of stake
Jul 15 – 16No plan
Fitzgerald L. P. Cantor
Large holder · sold 557,106 at avg $13.63
$7.6M
8.6% of stake
Feb 26 – 27No plan
Angela Blanton
Director · sold 41,184 at avg $11.87
$489k
47% of stake
Dec 16, 2025 – Dec 17, 202510b5-1 plan
Pamela L Bentley
Chief Financial Officer · sold 80,000 at avg $11.62
$929k
96% of stake
Oct 6, 2025No plan
Howard W Lutnick
Large holder · sold 6,451,535
—
100% of stake
Aug 12, 2025No plan
Kathleen Patricia Sullivan
Principal Accounting Officer · sold 6,000 at $13.02
$78k
9.1% of stake
Jun 2, 2025No plan
Angela Blanton
Director · sold 13,902 at $12.65
$176k
100% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch GCMG, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in GCMG's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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