Quantum Ownership & Insider Activity

Quantum (QMCO) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 31.7% of shares outstanding. Institutional investors hold 10.2%.

Shares Outstanding

39.410M

Shares Float

39.287M

Insider Shares Owned

12.477M

Insider % Owned

31.7%

Institutional Shares Held

4.036M

Institutional % Held

10.2%

Ownership Breakdown

Net Insider Activity by Month

Quantum Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 3, 2026	Anthony Craythorne	CHIEF REVENUE OFFICER	SELL	1.478K	$10.73	$16K
Jul 2, 2026	Laura A Nash	CHIEF ACCOUNTING OFFICER	SELL	260.000	$10.51	$3K
Jul 2, 2026	Hugues Meyrath	PRESIDENT & CEO	SELL	6.232K	$10.51	$65K

Date	Member	Party	Chamber	Action	Amount
Dec 23, 2021	Debbie Wasserman Schultz	D	House	Purchase	$1,001 - $15,000
Dec 23, 2021	Debbie Wasserman Schultz	D	House	Purchase	$1,001 - $15,000
Dec 23, 2021	Debbie Wasserman Schultz	D	House	Purchase	$1,001 - $15,000