Insider Trading & Ownership of PLATINUM EQUITY, LLC

Location: Beverly Hills, CA
Summary: The estimated value of insider holdings of PLATINUM EQUITY, LLC is at least $6,060,915,039 dollars as of 11 Mar 2026. PLATINUM EQUITY, LLC is the 10%+ Owner of Ingram Micro Holding Corp and owns shares of Ingram Micro Holding Corp (INGM) stock worth about $4.24B. PLATINUM EQUITY, LLC is the 10%+ Owner of CompoSecure, Inc. and owns shares of GPGI, Inc. (GPGI) stock worth about $1.02B. PLATINUM EQUITY, LLC is the 10%+ Owner of Custom Truck One Source, Inc. and owns shares of Custom Truck One Source, Inc. (CTOS) stock worth about $626.97M. PLATINUM EQUITY, LLC is the 10%+ Owner of Ryerson Holding Corp and owns shares of Ryerson Holding Corp (RYZ) stock worth about $124.21M. PLATINUM EQUITY, LLC is the Director of VERRA MOBILITY Corp and owns shares of VERRA MOBILITY Corp (VRRM) stock worth about $52.22M.
Signature: Platinum Equity, LLC, By: /s/ Mary Ann Sigler, Executive Vice President, Chief Financial Officer and Treasurer
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Ownership of PLATINUM EQUITY, LLC

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
INGM	Ingram Micro Holding Corp	10%+ Owner	$4,238,952,982	-$266,999,979	-5.9%	09 Mar 2026
GPGI	CompoSecure, Inc.	10%+ Owner	$1,018,557,714			12 Jan 2026
CTOS	Custom Truck One Source, Inc.	10%+ Owner	$626,974,540			30 Jan 2025
RYZ, RYI	Ryerson Holding Corp	10%+ Owner	$124,209,729			08 Aug 2023
VRRM	VERRA MOBILITY Corp	Director	$52,220,074			10 Dec 2021
MH	McGraw Hill, Inc.	10%+ Owner				23 Jul 2025

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.