NELSON BARBARA H

Exec VP-Mktg & Strategy at QUANTUM CORP /DE/ · on record since Apr 15, 2004
Director at Backblaze, Inc. · on record since Jun 1, 2026
Director at GSI TECHNOLOGY INC · on record since Sep 1, 2021

Insider trading activity of NELSON BARBARA H

Transactions on record: 26; since Apr 15, 2004

Open-market buys: 0

Open-market sells: 6; $175.1K

Companies traded: 3; last filing Jun 1, 2026

Figures computed from official regulatory filings — .

Companies where NELSON BARBARA H has traded

Backblaze, Inc.7 tx · $108.6K · Jun 1, 2026
GSI TECHNOLOGY INC18 tx · $117K · Aug 15, 2024
QUANTUM CORP /DE/1 tx · $1.2K · Apr 15, 2004

Track record of NELSON BARBARA H

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

Transaction history of NELSON BARBARA H

Co-insiders of NELSON BARBARA H

Ahmad FuadQUANTUM CORP /DE/
Akerib AvidanGSI TECHNOLOGY INC
Alset Inc.QUANTUM CORP /DE/
Alset International LtdQUANTUM CORP /DE/
Andersen Robert JQUANTUM CORP /DE/
Arden ToddQUANTUM CORP /DE/
ASHMAN TIMOTHY AQUANTUM CORP /DE/
Auvil Paul R. IIIQUANTUM CORP /DE/
Avallone PamelaQUANTUM CORP /DE/
BARRETT BARBARAQUANTUM CORP /DE/
BELLUZZO RICHARDQUANTUM CORP /DE/
Black PhilipQUANTUM CORP /DE/
Blevins Tony JQUANTUM CORP /DE/
Bradley Jack A.GSI TECHNOLOGY INC
BRC Partners Management GP, LLCQUANTUM CORP /DE/
BRC Partners Opportunity Fund, LPQUANTUM CORP /DE/
BR Dialectic Capital Management, LLCQUANTUM CORP /DE/
Breard Linda MarieQUANTUM CORP /DE/

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Backblaze, Inc.Listing on record	Jun 1, 2026	Award	19,306	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	May 29, 2025	Award	25,210	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Aug 19, 2024	Sell	-16,000	6.79 USD	$108.6K	Unusual size	SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	ExerciseD (derivative)	-7,236	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Exercise	7,236	1.87 USD	$13.5K		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	ExerciseD (derivative)	-9,779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Exercise	9,779	1.87 USD	$18.3K	Unusual size	SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Sell	-7,236	2.30 USD	$16.6K		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Sell	-9,779	2.22 USD	$21.7K		SEC
GSI TECHNOLOGY INCListing on record	Aug 2, 2024	Sell	-100	2.81 USD	$281		SEC
GSI TECHNOLOGY INCListing on record	Aug 2, 2024	ExerciseD (derivative)	-100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Aug 2, 2024	Exercise	100	1.87 USD	$187		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Sell	-4,184	2.81 USD	$11.8K		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Sell	-5,706	2.82 USD	$16.1K		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	ExerciseD (derivative)	-4,184	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	ExerciseD (derivative)	-5,706	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Exercise	4,184	1.87 USD	$7.8K		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Exercise	5,706	1.87 USD	$10.7K		SEC
Backblaze, Inc.Listing on record	May 20, 2024	Award	20,604	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Oct 31, 2023	AwardD (derivative)	-28,795	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Jun 7, 2023	Award	35,211	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Nov 1, 2022	AwardD (derivative)	-27,005	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Jun 6, 2022	Award	13,156	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Nov 16, 2021	Award	9,375	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Nov 2, 2021	AwardD (derivative)	-7,733	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	Signals	Src
Backblaze, Inc.Listing on record	Jun 1, 2026	Award	19,306	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	May 29, 2025	Award	25,210	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Aug 19, 2024	Sell	-16,000	6.79 USD	$108.6K	Unusual size	SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	ExerciseD (derivative)	-7,236	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Exercise	7,236	1.87 USD	$13.5K		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	ExerciseD (derivative)	-9,779	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Exercise	9,779	1.87 USD	$18.3K	Unusual size	SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Sell	-7,236	2.30 USD	$16.6K		SEC
GSI TECHNOLOGY INCListing on record	Aug 15, 2024	Sell	-9,779	2.22 USD	$21.7K		SEC
GSI TECHNOLOGY INCListing on record	Aug 2, 2024	Sell	-100	2.81 USD	$281		SEC
GSI TECHNOLOGY INCListing on record	Aug 2, 2024	ExerciseD (derivative)	-100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Aug 2, 2024	Exercise	100	1.87 USD	$187		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Sell	-4,184	2.81 USD	$11.8K		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Sell	-5,706	2.82 USD	$16.1K		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	ExerciseD (derivative)	-4,184	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	ExerciseD (derivative)	-5,706	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Exercise	4,184	1.87 USD	$7.8K		SEC
GSI TECHNOLOGY INCListing on record	Jul 31, 2024	Exercise	5,706	1.87 USD	$10.7K		SEC
Backblaze, Inc.Listing on record	May 20, 2024	Award	20,604	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Oct 31, 2023	AwardD (derivative)	-28,795	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Jun 7, 2023	Award	35,211	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Nov 1, 2022	AwardD (derivative)	-27,005	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Jun 6, 2022	Award	13,156	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Backblaze, Inc.Listing on record	Nov 16, 2021	Award	9,375	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
GSI TECHNOLOGY INCListing on record	Nov 2, 2021	AwardD (derivative)	-7,733	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC