Lerner James J

President, Cloud Systems at Seagate Technology Holdings plc · on record since Mar 13, 2014
Director at QUANTUM CORP /DE/ · on record since Jul 6, 2018
President & CEO at QUANTUM CORP /DE/ · on record since Oct 4, 2019

Insider trading activity of Lerner James J

Transactions on record: 54; since Apr 22, 2014

Open-market buys: 4; $408.4K

Open-market sells: 17; $4M

Companies traded: 2; last filing Apr 23, 2025

Figures computed from official regulatory filings — .

Companies where Lerner James J has traded

QUANTUM CORP /DE/49 tx · $3.4M · Apr 23, 2025
Seagate Technology Holdings plc5 tx · $1.1M · Mar 13, 2015

Track record of Lerner James J

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Lerner James J

Co-insiders of Lerner James J

MacPherson Regan JQUANTUM CORP /DE/ +1
ABBOTT TODDSeagate Technology Holdings plc
Adams MarkSeagate Technology Holdings plc
Ahmad FuadQUANTUM CORP /DE/
Alset Inc.QUANTUM CORP /DE/
Alset International LtdQUANTUM CORP /DE/
Andersen Robert JQUANTUM CORP /DE/
Anderson David ZSeagate Technology Holdings plc
Arden ToddQUANTUM CORP /DE/
Arumugavelu ShankarSeagate Technology Holdings plc
ASHMAN TIMOTHY AQUANTUM CORP /DE/
AUGUST CAPITAL III FOUNDERS FUND LPSeagate Technology Holdings plc
AUGUST CAPITAL III LPSeagate Technology Holdings plc
AUGUST CAPITAL MANAGEMENT III LLCSeagate Technology Holdings plc
AUGUST CAPITAL STRATEGIC PARTNERS III LPSeagate Technology Holdings plc
Auvil Paul R. IIIQUANTUM CORP /DE/
Avallone PamelaQUANTUM CORP /DE/
BARRETT BARBARAQUANTUM CORP /DE/
BELLUZZO RICHARDQUANTUM CORP /DE/
BHATT PRATSeagate Technology Holdings plc
BIONDI FRANKSeagate Technology Holdings plc
Black PhilipQUANTUM CORP /DE/

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
QUANTUM CORP /DE/Listing on record	Apr 23, 2025	Sell	-2,784	9.65 USD	$26.9K	SEC
QUANTUM CORP /DE/Listing on record	Apr 23, 2025	Award	5,828	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Jan 17, 2025	Sell	-3,681	4.43 USD	$16.3K	SEC
QUANTUM CORP /DE/Listing on record	Jan 17, 2025	Sell	-2,511	35.68 USD	$89.6K	SEC
QUANTUM CORP /DE/Listing on record	Dec 5, 2024	Sell	-6,505	4.43 USD	$28.8K	SEC
QUANTUM CORP /DE/Listing on record	Oct 21, 2024	Award	18,750	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Apr 23, 2024	Award	200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Oct 12, 2023	Sell	-36,045	0.60 USD	$21.6K	SEC
QUANTUM CORP /DE/Listing on record	Jul 12, 2023	Sell	-158,893	1.07 USD	$170K	SEC
QUANTUM CORP /DE/Listing on record	Oct 12, 2022	Sell	-32,888	1.15 USD	$37.8K	SEC
QUANTUM CORP /DE/Listing on record	Sep 12, 2022	Sell	-36,251	1.57 USD	$56.9K	SEC
QUANTUM CORP /DE/Listing on record	Jul 19, 2022	Sell	-62,152	1.41 USD	$87.6K	SEC
QUANTUM CORP /DE/Listing on record	Jul 6, 2022	AwardD (derivative)	-116,550	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Jul 6, 2022	Award	350,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Apr 26, 2022	Other	4,445	2.25 USD	$10K	SEC
QUANTUM CORP /DE/Listing on record	Apr 26, 2022	OtherD (derivative)	-4,445	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Jan 10, 2022	Sell	-39,670	5.37 USD	$213K	SEC
QUANTUM CORP /DE/Listing on record	Oct 5, 2021	Award	200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Oct 5, 2021	AwardD (derivative)	-200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Sep 13, 2021	Sell	-41,012	5.47 USD	$224.3K	SEC
QUANTUM CORP /DE/Listing on record	Jul 22, 2021	Sell	-132,125	6.12 USD	$808.6K	SEC
QUANTUM CORP /DE/Listing on record	Jul 16, 2021	Sell	-65,560	6.40 USD	$419.6K	SEC
QUANTUM CORP /DE/Listing on record	May 19, 2021	ExerciseD (derivative)	-80,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	May 19, 2021	ExerciseD (derivative)	-80,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	May 19, 2021	Award	160,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
QUANTUM CORP /DE/Listing on record	Apr 23, 2025	Sell	-2,784	9.65 USD	$26.9K	SEC
QUANTUM CORP /DE/Listing on record	Apr 23, 2025	Award	5,828	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Jan 17, 2025	Sell	-3,681	4.43 USD	$16.3K	SEC
QUANTUM CORP /DE/Listing on record	Jan 17, 2025	Sell	-2,511	35.68 USD	$89.6K	SEC
QUANTUM CORP /DE/Listing on record	Dec 5, 2024	Sell	-6,505	4.43 USD	$28.8K	SEC
QUANTUM CORP /DE/Listing on record	Oct 21, 2024	Award	18,750	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Apr 23, 2024	Award	200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Oct 12, 2023	Sell	-36,045	0.60 USD	$21.6K	SEC
QUANTUM CORP /DE/Listing on record	Jul 12, 2023	Sell	-158,893	1.07 USD	$170K	SEC
QUANTUM CORP /DE/Listing on record	Oct 12, 2022	Sell	-32,888	1.15 USD	$37.8K	SEC
QUANTUM CORP /DE/Listing on record	Sep 12, 2022	Sell	-36,251	1.57 USD	$56.9K	SEC
QUANTUM CORP /DE/Listing on record	Jul 19, 2022	Sell	-62,152	1.41 USD	$87.6K	SEC
QUANTUM CORP /DE/Listing on record	Jul 6, 2022	AwardD (derivative)	-116,550	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Jul 6, 2022	Award	350,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Apr 26, 2022	Other	4,445	2.25 USD	$10K	SEC
QUANTUM CORP /DE/Listing on record	Apr 26, 2022	OtherD (derivative)	-4,445	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Jan 10, 2022	Sell	-39,670	5.37 USD	$213K	SEC
QUANTUM CORP /DE/Listing on record	Oct 5, 2021	Award	200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Oct 5, 2021	AwardD (derivative)	-200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	Sep 13, 2021	Sell	-41,012	5.47 USD	$224.3K	SEC
QUANTUM CORP /DE/Listing on record	Jul 22, 2021	Sell	-132,125	6.12 USD	$808.6K	SEC
QUANTUM CORP /DE/Listing on record	Jul 16, 2021	Sell	-65,560	6.40 USD	$419.6K	SEC
QUANTUM CORP /DE/Listing on record	May 19, 2021	ExerciseD (derivative)	-80,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	May 19, 2021	ExerciseD (derivative)	-80,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
QUANTUM CORP /DE/Listing on record	May 19, 2021	Award	160,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC