QUANTUM CORP /DE/ insider trading

QMCONASDAQ

$34.01-0.49 (-1.42% today)

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+185.6%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Open market purchase

Open market sell

Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

Premium

Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26

Unlock quarterly net flow

Key players

JFJohn FichthornDirector35.8932%of company
DTDialectic Technology SPV LLC10% Owner35.7894%of company
JCJames C. ClancyChief Operating Officer0.4136%of company
HMHugues MeyrathPresident & CEO0.3006%of company
JJJames J. LernerPresident & CEO0.2813%of company
YZYue Zhou WhiteDirector0.1348%of company
DJDon JaworksiDirector0.1311%of company
HPHiral PatelChief Accounting Officer0.1269%of company
JRJohn R. TracyDirector0.099%of company
KPKenneth P. GianellaChief Financial Officer0.0822%of company

AI Activity Analysis

Premium

Coming soonAI reads of insider activity will appear here for Premium accounts.

Insider activity

Fromto

Company	Insider / role	Action	ΔOwn	Avg price	Amount
QMCO	Anthony CraythorneChief Revenue Officer	Open market sell$15.9K	-9.9%	$10.73	$15.9K	Aug 3, 2026	Aug 5, 2026
QMCO	Laura A. NashChief Accounting Officer	Open market sell$2.73K	-2.4%	$10.51	$2.73K	Jul 2, 2026	Jul 7, 2026
QMCO	Hugues MeyrathPresident & CEO	Open market sell$65.5K	-5.0%	$10.51	$65.5K	Jul 2, 2026	Jul 7, 2026
QMCO	Laura A. NashChief Accounting Officer	Open market sell$593	-1.0%	$5.44	$593	Apr 2, 2026	Apr 3, 2026

End of history · 4 transactions