GCM Grosvenor Inc. insider trading

Every open-market purchase and sale by GCM Grosvenor Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchases, 5 years $0 0 trades by 0 insiders Insider sales, 5 years $10.2M 10 trades by 4 insiders 3 months later: median −7.8% (−9.8% vs S&P 500)

No insider has bought shares on the open market in five years.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.

GCM Grosvenor Inc. insider open-market trades
Date	Insider	Trade	Shares	Price	Value	1M after	3M after	6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following GCM Grosvenor Inc.’s insiders pay?

From July 13, 2021 to September 3, 2026, 7 insiders reported 4 open-market purchases and 16 sales not made under a pre-set plan in GCM Grosvenor Inc. Twelve months after each purchase was reported, the shares were −17.3% against the S&P 500 on average (median −17.3%), over 4 purchases with a full year of prices; 0% beat the index. After sales, the shares moved −1.5% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into.

GCM Grosvenor Inc.: each insider's record
Insider	Role	Purchases	12 months after their purchases	Beat the S&P 500	Sales	12 months after their sales	Latest report
Adage Capital Partners Gp, L.L.C.	10% owner	2	−17.3% (2)	0%	3	−10.2% (3)	April 28, 2023
Adage Capital Advisors, L.L.C.	10% owner	2	−17.3% (2)	0%	2	−17.3% (2)	July 13, 2021
Sullivan Kathleen Patricia	Principal Accounting Officer	0	—	—	4	+5.0% (3)	September 3, 2026
Adage Capital Partners, L.P.	10% owner	0	—	—	2	+11.6% (2)	May 10, 2023
Blanton Angela	Director	0	—	—	2	−35.0% (1)	February 27, 2026
Buchanan Sandra M	Chief HR Officer	0	—	—	2	+21.0% (2)	September 15, 2023
Cantor Fitzgerald, L. P.	10% owner	0	—	—	1	—	July 17, 2026

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

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