GSI Technology Inc

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GSI Technology Inc
TickerGSIT
CIK #0001126741
CUSIP36241U106
SectorManufacturing - Semiconductors & Related Devices
Address1213 Elko Drive, Sunnyvale, CA 94089
Source [EDGAR]
CIK Filing 2011 - 2026
[0001126741] 10-K
[0001126741] 10-Q
[0001126741] 3
[0001126741] 4
[0001126741] 5
[0001126741] 8-K
[0001126741] SC 13D
[0001126741] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Galloway Capital Partners LLC GSI Technology Inc [2026-02-18] 0.0
Hirschman Orin GSI Technology Inc [2023-05-15] 8.1
Roumell Asset Management LLC GSI Technology Inc [2023-01-20] 7.0
Roumell Asset Management LLC GSI Technology Inc [2021-09-14] 8.1
Roumell Asset Management LLC GSI Technology Inc [2021-02-12] 5.7
Wu Bor-Tay GSI Technology Inc [2018-02-12] 5.2
Ariel Investments LLC GSI Technology Inc [2017-02-14] 1466426202250440.0
Vertex Capital Advisors LLC GSI Technology Inc [2015-01-14] 2.9
Raging Capital Management LLC GSI Technology Inc [2014-05-21] 11.1
Form 3/4/5 Filer 2011 - 2026
Chuang Patrick T
GSI Technology Inc
Wu Bor-Tay
Wu Ping Tak
Lasserre Didier
Schirle Douglas
Shu Lee-Lean
Akerib Avidan
Hsieh Hong-PO
Lu Ruey-Lin
Cholawsky Elizabeth
Steger Ronald
Bradley Jack A
Yau Robert
Nelson Barbara H
Le Kim
Whipple Arthur O
Hart E Thomas
Chapman David Brian
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Shu Lee-Lean
Common Stock
2026-03-17 Sell 36,517 $10.01 365,535
Shu Lee-Lean
Stock Option (right to buy) · derivative
2026-03-17 Option exercise 36,517 $0.00
Shu Lee-Lean
Common Stock
2026-03-17 Option exercise 36,517 $4.99 182,220
Shu Lee-Lean
Common Stock
2026-03-16 Option exercise 30,734 $4.99 153,363
Shu Lee-Lean
Stock Option (right to buy) · derivative
2026-03-16 Option exercise 30,734 $0.00
Shu Lee-Lean
Common Stock
2026-03-16 Sell 30,734 $10.02 307,955
Chuang Patrick T
Stock Option (right to buy) · derivative
2026-03-13 Option exercise 40,000 $0.00
Chuang Patrick T
Common Stock
2026-03-13 Option exercise 40,000 $5.58 223,200
Chuang Patrick T
Common Stock
2026-03-13 Sell 40,000 $8.56 342,400
Wu Bor-Tay
Stock Option (right to buy) · derivative
2026-03-10 Sell 40,000 $0.00
Wu Bor-Tay
Common Stock
2026-03-10 Sell 40,000 $8.66 346,400
Wu Bor-Tay
Common Stock
2026-03-10 Option exercise 40,000 $4.99 199,600
Chuang Patrick T
Stock Option (right to buy) · derivative
2026-03-02 Option exercise 20,000 $0.00
Chuang Patrick T
Common Stock
2026-03-02 Option exercise 20,000 $3.68 73,600
Chuang Patrick T
Common Stock
2026-03-02 Sell 20,000 $8.37 167,400
Wu Ping Tak
Stock Option (right to buy) · derivative
2026-02-02 Grant 15,000 $0.00
Wu Bor-Tay
Stock Option (right to buy) · derivative
2026-02-02 Grant 20,000 $0.00
Shu Lee-Lean
Stock Option (right to buy) · derivative
2026-02-02 Grant 150,000 $0.00
Schirle Douglas
Stock Option (right to buy) · derivative
2026-02-02 Grant 20,000 $0.00
Lasserre Didier
Stock Option (right to buy) · derivative
2026-02-02 Grant 20,000 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 70 10,456,293
2025-12-31 64 8,934,674
2025-09-30 53 5,628,010
2025-06-30 51 4,139,716
2025-03-31 36 3,159,615
2024-12-31 39 2,784,411
2024-09-30 32 2,678,195
2024-06-30 32 2,705,743
2024-03-31 44 3,061,042
2023-12-31 39 4,262,106
2023-09-30 39 5,157,810
2023-06-30 42 6,038,739
Form 13F Holdings
Firm Period DFND Voting Shares
Silverberg Bernstein Capital Management LLC [2026-06-30] SOLE 0 783,306
Bay Colony Advisory Group Inc D/B/a Bay Colony Advisors [2026-06-30] SOLE 0 10,000
City State Bank [2026-06-30] SOLE 700 700
Corecap Advisors LLC [2026-06-30] SOLE 0 500
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