Quick Takeaways
- GSIT - GSI TECHNOLOGY INC has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: -$3,271,775.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 16 Insiders of GSI TECHNOLOGY INC
- Symbol
- GSIT on Nasdaq
- Location
- Sunnyvale, CA
What Changed
- Buy value: $361,600; sell value: $3,633,375.
- Net share flow: -375,269.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$3,271,775.
Buys
$361,600
Shares: 40,000
Insiders: 1
Sells
$3,633,375
Shares: 415,269
Insiders: 5
Net
-$3,271,775
Shares: -375,269
Insiders: -4
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 167,251 | $0 | $1,529,922 | -$1,529,922 |
| 3-6 | 40,000 | 230,018 | $361,600 | $2,037,886 | -$1,676,286 |
| 6-9 | 0 | 18,000 | $0 | $65,567 | -$65,567 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
GSI TECHNOLOGY INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Lee-Lean Shu | Pres., CEO and Chairman, Director | $19,847,166 | -$673,628 | -3.3% | Filing P/S | 16 Mar 2026 |
| Bor-Tay Wu | VP, Taiwan Operations | $7,905,535 | -$346,544 | -4.2% | Filing P/S | 10 Mar 2026 |
| Robert Yau | Director | $2,124,312 | Mixed | 24 Oct 2024 | ||
| Ruey-Lin Lu | Director | $245,210 | Mixed | 03 Nov 2025 | ||
| Avidan Akerib | VP, Associative Computing | $199,083 | -$1,730,281 | -90% | Filing P/S | 04 Nov 2025 |
| Chuang Patrick T. | Senior VP, Memory Design | $129,836 | -$494,702 | -79% | Filing P/S | 13 Mar 2026 |
| Jack A. Bradley | Director | $0 | -$26,620 | -100% | Mixed | 06 Aug 2025 |
| Barbara H. Nelson | Director | $0 | Mixed | 14 Aug 2024 | ||
| Elizabeth Cholawsky | Director | Mixed | 03 Nov 2025 | |||
| Ping Tak Wu | VP, U.S. Operations | Mixed | 02 Feb 2026 | |||
| Whipple Arthur O | Director | Mixed | 26 Aug 2021 | |||
| Hong-Po Hsieh | Director | Mixed | 03 Nov 2025 | |||
| Le Kim | Director | Mixed | 31 Oct 2022 | |||
| Didier Lasserre | VP, Sales | Mixed | 02 Feb 2026 | |||
| Douglas Schirle | Cfo | Mixed | 02 Feb 2026 | |||
| Ronald Steger | Director | Mixed | 03 Nov 2025 |
Top shareholders of GSI TECHNOLOGY INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Lee-Lean Shu |
13D/G
3/4/5
|
Pres., CEO and Chairman, Director |
9.8%
|
3,654,302
|
$22,693,215 | +$931,500 | 31 Dec 2025 | |
| Galloway Capital Partners, LLC |
13D/G
|
— |
5%
|
1,818,950
|
$14,606,168 | $0 | 18 Feb 2026 | |
| VANGUARD GROUP INC |
13F
|
Company |
4%
|
1,453,236
|
$9,024,596 | — | 31 Dec 2025 | |
| Bor-Tay Wu |
3/4/5
|
VP, Taiwan Operations |
2.5%
|
912,500
|
$7,905,535 | -$346,544 | 10 Mar 2026 | |
| Silverberg Bernstein Capital Management LLC |
13F
|
Company |
2.1%
|
774,506
|
$4,809,682 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
2%
|
727,077
|
$4,515,150 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
2%
|
710,953
|
$4,415,018 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
1.4%
|
506,620
|
$3,146,110 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.4%
|
500,364
|
$3,107,260 | — | 31 Dec 2025 | |
| Robert Yau |
3/4/5
|
Director |
—
class O/S missing
|
923,614
|
$2,124,312 | — | 24 Oct 2024 | |
| Concentric Capital Strategies, LP |
13F
|
Company |
0.94%
|
340,664
|
$2,115,523 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.9%
|
325,567
|
$2,022,656 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.89%
|
320,672
|
$1,991,373 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.61%
|
221,094
|
$1,372,994 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.52%
|
189,579
|
$1,177,286 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.51%
|
185,532
|
$1,152,154 | — | 31 Dec 2025 | |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT |
13F
|
Company |
0.51%
|
183,600
|
$1,140,156 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.48%
|
172,255
|
$1,069,704 | — | 31 Dec 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
0.33%
|
118,835
|
$737,965 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.32%
|
116,807
|
$725,371 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.32%
|
116,301
|
$722,229 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.29%
|
106,142
|
$659,142 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.27%
|
96,731
|
$600,700 | — | 31 Dec 2025 | |
| Tidal Investments LLC |
13F
|
Company |
0.25%
|
91,607
|
$568,879 | — | 31 Dec 2025 | |
| COMMONWEALTH EQUITY SERVICES, LLC |
13F
|
Company |
0.25%
|
88,934
|
$552,280 | — | 31 Dec 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.24%
|
87,976
|
$546,311 | — | 31 Dec 2025 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.24%
|
87,314
|
$542,219 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.24%
|
86,431
|
$536,737 | — | 31 Dec 2025 | |
| IMC-Chicago, LLC |
13F
|
Company |
0.18%
|
66,472
|
$412,791 | — | 31 Dec 2025 | |
| Centiva Capital, LP |
13F
|
Company |
0.18%
|
63,991
|
$397,384 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.17%
|
61,048
|
$379,108 | — | 31 Dec 2025 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0.17%
|
60,255
|
$374,184 | — | 31 Dec 2025 | |
| Graham Capital Management, L.P. |
13F
|
Company |
0.15%
|
55,886
|
$347,052 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.14%
|
50,847
|
$315,760 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.13%
|
45,843
|
$284,685 | — | 31 Dec 2025 | |
| Ruey-Lin Lu |
3/4/5
|
Director |
—
mixed-class rows
|
61,912
mixed-class rows
|
$245,210 | — | 03 Nov 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.1%
|
37,879
|
$235,000 | — | 31 Dec 2025 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.09%
|
33,000
|
$204,930 | — | 31 Dec 2025 | |
| JB CAPITAL PARTNERS LP |
13F
|
Company |
0.09%
|
33,000
|
$204,930 | — | 31 Dec 2025 | |
| Avidan Akerib |
3/4/5
|
VP, Associative Computing |
0.06%
|
23,307
|
$199,083 | -$1,730,281 | 04 Nov 2025 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.08%
|
30,454
|
$189,119 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.08%
|
27,367
|
$169,949 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.07%
|
24,500
|
$152,145 | — | 31 Dec 2025 | |
| Jump Financial, LLC |
13F
|
Company |
0.06%
|
22,950
|
$142,520 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.06%
|
21,895
|
$135,968 | — | 31 Dec 2025 | |
| Chuang Patrick T. |
3/4/5
|
Senior VP, Memory Design |
0.04%
|
15,166
|
$129,836 | -$494,702 | 13 Mar 2026 | |
| OMERS ADMINISTRATION Corp |
13F
|
Company |
0.06%
|
20,500
|
$127,305 | — | 31 Dec 2025 | |
| Lighthouse Investment Partners, LLC |
13F
|
Company |
0.05%
|
17,280
|
$107,309 | — | 31 Dec 2025 | |
| Vanguard Personalized Indexing Management, LLC |
13F
|
Company |
0.05%
|
16,748
|
$104,005 | — | 31 Dec 2025 | |
| NewEdge Advisors, LLC |
13F
|
Company |
0.05%
|
16,332
|
$101,422 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for GSI TECHNOLOGY INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Lee-Lean Shu | GSIT | Common Stock | Sale | -1.81% | $365,594 | $10.01 | -36,517 | 1,982,417 | 17 Mar 2026 | Direct |
| Lee-Lean Shu | GSIT | Common Stock | Options Exercise | 1.84% | 36,517 | 2,018,934 | 17 Mar 2026 | Direct | ||
| Lee-Lean Shu | GSIT | Stock Option (right to buy) | Options Exercise | -52.7% | -36,517 | 32,749 | 17 Mar 2026 | Direct | ||
| Lee-Lean Shu | GSIT | Common Stock | Sale | -1.53% | $308,035 | $10.02 | -30,734 | 1,982,417 | 16 Mar 2026 | Direct |
| Lee-Lean Shu | GSIT | Common Stock | Options Exercise | 1.55% | 30,734 | 2,013,151 | 16 Mar 2026 | Direct | ||
| Lee-Lean Shu | GSIT | Stock Option (right to buy) | Options Exercise | -30.7% | -30,734 | 69,266 | 16 Mar 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Common Stock | Sale | -72.5% | $342,440 | $8.56 | -40,000 | 15,166 | 13 Mar 2026 | Direct |
| Chuang Patrick T. | GSIT | Common Stock | Options Exercise | 263.8% | 40,000 | 55,166 | 13 Mar 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -40,000 | 0 | 13 Mar 2026 | Direct | ||
| Bor-Tay Wu | GSIT | Common Stock | Sale | -4.2% | $346,544 | $8.66 | -40,000 | 912,500 | 10 Mar 2026 | Direct |
| Bor-Tay Wu | GSIT | Common Stock | Options Exercise | 4.38% | 40,000 | 952,500 | 10 Mar 2026 | Direct | ||
| Bor-Tay Wu | GSIT | Stock Option (right to buy) | Sale | 40,000 | 0 | 10 Mar 2026 | Direct | |||
| Chuang Patrick T. | GSIT | Common Stock | Sale | -56.9% | $167,310 | $8.37 | -20,000 | 15,166 | 02 Mar 2026 | Direct |
| Chuang Patrick T. | GSIT | Common Stock | Options Exercise | 131.9% | 20,000 | 35,166 | 02 Mar 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -20,000 | 0 | 02 Mar 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Award | 20,000 | 20,000 | 02 Feb 2026 | Direct | |||
| Bor-Tay Wu | GSIT | Stock Option (right to buy) | Award | 20,000 | 20,000 | 02 Feb 2026 | Direct | |||
| Ping Tak Wu | GSIT | Stock Option (right to buy) | Award | 15,000 | 15,000 | 02 Feb 2026 | Direct | |||
| Lee-Lean Shu | GSIT | Stock Option (right to buy) | Award | 150,000 | 150,000 | 02 Feb 2026 | Direct | |||
| Douglas Schirle | GSIT | Stock Option (right to buy) | Award | 20,000 | 20,000 | 02 Feb 2026 | Direct | |||
| Didier Lasserre | GSIT | Stock Option (right to buy) | Award | 20,000 | 20,000 | 02 Feb 2026 | Direct | |||
| Chuang Patrick T. | GSIT | Common Stock | Sale | -72.5% | $346,552 | $8.66 | -40,000 | 15,166 | 06 Nov 2025 | Direct |
| Chuang Patrick T. | GSIT | Common Stock | Options Exercise | 40,000 | 35,166 | 06 Nov 2025 | Direct | |||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -40,000 | 0 | 06 Nov 2025 | Direct | ||
| Avidan Akerib | GSIT | Common Stock | Sale | -70.1% | $467,510 | $8.54 | -54,732 | 23,307 | 05 Nov 2025 | Direct |
| Avidan Akerib | GSIT | Common Stock | Options Exercise | 234.8% | 54,732 | 78,039 | 05 Nov 2025 | Direct | ||
| Avidan Akerib | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -54,732 | 0 | 05 Nov 2025 | Direct | ||
| Avidan Akerib | GSIT | Common Stock | Sale | -85.3% | $1,223,824 | $9.05 | -135,286 | 23,307 | 04 Nov 2025 | Direct |
| Avidan Akerib | GSIT | Common Stock | Options Exercise | 580.9% | 135,286 | 158,575 | 04 Nov 2025 | Direct | ||
| Avidan Akerib | GSIT | Stock Option (right to buy) | Options Exercise | -71.2% | -135,286 | 54,732 | 04 Nov 2025 | Direct | ||
| Chuang Patrick T. | GSIT | Common Stock | Sale | $361,600 | $9.04 | 40,000 | 15,166 | 04 Nov 2025 | Direct | |
| Chuang Patrick T. | GSIT | Common Stock | Options Exercise | 263.8% | 40,000 | 55,166 | 04 Nov 2025 | Direct | ||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Options Exercise | 40,000 | 0 | 04 Nov 2025 | Direct | |||
| Ronald Steger | GSIT | Stock Option (right to buy) | Award | 6,494 | 6,494 | 03 Nov 2025 | Direct | |||
| Elizabeth Cholawsky | GSIT | Stock Option (right to buy) | Purchase | 8,298 | 8,298 | 03 Nov 2025 | Direct | |||
| Hong-Po Hsieh | GSIT | Stock Option (right to buy) | Award | 5,412 | 5,412 | 03 Nov 2025 | Direct | |||
| Ruey-Lin Lu | GSIT | Stock Option (right to buy) | Award | 5,412 | 5,412 | 03 Nov 2025 | Direct | |||
| Ruey-Lin Lu | GSIT | Common Stock | Options Exercise | 7.62% | 4,000 | 56,500 | 31 Oct 2025 | Direct | ||
| Ruey-Lin Lu | GSIT | Stock Option (right to buy) | Options Exercise | 4,000 | 0 | 31 Oct 2025 | Direct | |||
| Jack A. Bradley | GSIT | Common Stock | Sale | -100% | $22,770 | $3.30 | -6,900 | 0 | 07 Aug 2025 | The Bradley-Richards Family Trust |
| Jack A. Bradley | GSIT | Common Stock | Sale | -13.8% | $3,850 | $3.50 | -1,100 | 6,900 | 06 Aug 2025 | The Bradley-Richards Family Trust |
| Avidan Akerib | GSIT | Common Stock | Sale | -30% | $38,947 | $3.89 | -10,000 | 23,307 | 05 Aug 2025 | Direct |
| Avidan Akerib | GSIT | Common Stock | Options Exercise | 42.9% | 10,000 | 33,307 | 05 Aug 2025 | Direct | ||
| Avidan Akerib | GSIT | Stock Option (right to buy) | Disposed to Issuer | -5% | -10,000 | 190,000 | 05 Aug 2025 | Direct | ||
| Lee-Lean Shu | GSIT | Stock Option (right to buy) | Award | 100,000 | 100,000 | 04 Aug 2025 | Direct | |||
| Avidan Akerib | GSIT | Stock Option (right to buy) | Award | 40,000 | 40,000 | 04 Aug 2025 | Direct | |||
| Bor-Tay Wu | GSIT | Stock Option (right to buy) | Award | 40,000 | 40,000 | 04 Aug 2025 | Direct | |||
| Didier Lasserre | GSIT | Stock Option (right to buy) | Award | 40,000 | 40,000 | 04 Aug 2025 | Direct | |||
| Ping Tak Wu | GSIT | Stock Option (right to buy) | Award | 30,000 | 30,000 | 04 Aug 2025 | Direct | |||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Award | 40,000 | 40,000 | 04 Aug 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.