Key facts
- GSIT - GSI TECHNOLOGY INC has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: -$6,277,516.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 16 Insiders of GSI TECHNOLOGY INC
- Symbol
- GSIT on Nasdaq
- Location
- Sunnyvale, CA
Change
- Buy value: $361,600; sell value: $6,639,116.
- Net share flow: -640,407.
Research use
- 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.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$6,277,516.
Buys
$361,600
Shares: 40,000
Insiders: 1
Sells
$6,639,116
Shares: 680,407
Insiders: 7
Net
-$6,277,516
Shares: -640,407
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 432,389 | $0 | $4,535,663 | -$4,535,663 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 40,000 | 230,018 | $361,600 | $2,037,886 | -$1,676,286 |
| 9-12 | 0 | 18,000 | $0 | $65,567 | -$65,567 |
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, 10%+ Owner | $30,456,245 | -$2,442,813 | -7.4% | Filing P/S | 13 May 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 | ||
| Ping Tak Wu | VP, U.S. Operations | $1,594,587 | -$127,040 | -7.4% | Filing P/S | 12 May 2026 |
| Douglas M. Schirle | Cfo | $781,821 | -$452,928 | -37% | Filing P/S | 14 May 2026 |
| Avidan Akerib | VP, Associative Computing | $267,219 | -$1,959,781 | -88% | Filing P/S | 12 May 2026 |
| Ruey-Lin Lu | Director | $245,210 | Mixed | 03 Nov 2025 | ||
| Chuang Patrick T. | Senior VP, Memory Design | $161,930 | -$921,790 | -85% | Filing P/S | 12 May 2026 |
| Barbara H. Nelson | Director | $0 | Mixed | 14 Aug 2024 | ||
| Jack A. Bradley | Director | $0 | -$26,620 | -100% | Mixed | 06 Aug 2025 |
| Elizabeth Cholawsky | Director | Mixed | 03 Nov 2025 | |||
| 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 | |||
| 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 |
3/4/5
13D/G
|
Pres., CEO and Chairman, Director, 10%+ Owner |
9.8%
from 13D/G
|
2,513,356
|
$30,456,245 | -$2,442,813 | 13 May 2026 | |
| Galloway Capital Partners, LLC |
13D/G
|
— |
5%
|
1,818,950
|
$14,606,168 | $0 | 18 Feb 2026 | |
| Bor-Tay Wu |
3/4/5
|
VP, Taiwan Operations |
2.5%
|
912,500
|
$7,905,535 | -$346,544 | 10 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
3.5%
|
1,278,432
|
$6,571,140 | — | 31 Mar 2026 | |
| Silverberg Bernstein Capital Management LLC |
13F
|
Company |
2.2%
|
785,706
|
$4,038,529 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
2%
|
742,670
|
$3,818,000 | — | 31 Mar 2026 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1.8%
|
639,027
|
$3,284,601 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
1.5%
|
543,998
|
$2,796,150 | — | 31 Mar 2026 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.5%
|
530,204
|
$2,725,249 | — | 31 Mar 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
1.3%
|
464,030
|
$2,385,114 | — | 31 Mar 2026 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
1.2%
|
440,000
|
$2,261,600 | — | 31 Mar 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.2%
|
429,819
|
$2,209,270 | — | 31 Mar 2026 | |
| Robert Yau |
3/4/5
|
Director |
—
class O/S missing
|
923,614
|
$2,124,312 | — | 24 Oct 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.97%
|
350,694
|
$1,803,821 | — | 31 Mar 2026 | |
| Potomac Capital Management, Inc. |
13F
|
Company |
0.96%
|
348,400
|
$1,790,776 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.95%
|
343,522
|
$1,765,703 | — | 31 Mar 2026 | |
| Ping Tak Wu |
3/4/5
|
VP, U.S. Operations |
—
mixed-class rows
|
162,647
mixed-class rows
|
$1,594,587 | -$127,040 | 12 May 2026 | |
| UBS Group AG |
13F
|
Company |
0.84%
|
305,749
|
$1,571,550 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.53%
|
191,392
|
$983,755 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.51%
|
185,342
|
$952,658 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.44%
|
158,039
|
$812,321 | — | 31 Mar 2026 | |
| Tidal Investments LLC |
13F
|
Company |
0.42%
|
152,663
|
$784,688 | — | 31 Mar 2026 | |
| Douglas M. Schirle |
3/4/5
|
CFO |
0.19%
|
69,046
|
$781,821 | -$452,928 | 14 May 2026 | |
| STATE STREET CORP |
13F
|
Company |
0.38%
|
138,842
|
$713,648 | — | 31 Mar 2026 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.37%
|
135,303
|
$695,457 | — | 31 Mar 2026 | |
| 683 Capital Management, LLC |
13F
|
Company |
0.33%
|
118,835
|
$610,812 | — | 31 Mar 2026 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.32%
|
116,353
|
$598,054 | — | 31 Mar 2026 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.28%
|
101,291
|
$520,618 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.27%
|
97,677
|
$502,060 | — | 31 Mar 2026 | |
| COMMONWEALTH EQUITY SERVICES, LLC |
13F
|
Company |
0.26%
|
92,534
|
$475,620 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.24%
|
85,882
|
$441,433 | — | 31 Mar 2026 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.22%
|
78,701
|
$404,523 | — | 31 Mar 2026 | |
| SIH Partners, LLLP |
13F
|
Company |
0.21%
|
77,539
|
$398,550 | — | 31 Mar 2026 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.2%
|
71,229
|
$366,000 | — | 31 Mar 2026 | |
| IMC-Chicago, LLC |
13F
|
Company |
0.18%
|
63,638
|
$327,099 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.17%
|
61,048
|
$313,787 | — | 31 Mar 2026 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.15%
|
54,500
|
$280,130 | — | 31 Mar 2026 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.15%
|
54,458
|
$279,914 | — | 31 Mar 2026 | |
| Avidan Akerib |
3/4/5
|
VP, Associative Computing |
0.06%
|
23,307
|
$267,219 | -$1,959,781 | 12 May 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.14%
|
50,847
|
$261,354 | — | 31 Mar 2026 | |
| Brevan Howard Capital Management LP |
13F
|
Company |
0.14%
|
49,011
|
$251,916 | — | 31 Mar 2026 | |
| Ruey-Lin Lu |
3/4/5
|
Director |
—
mixed-class rows
|
61,912
mixed-class rows
|
$245,210 | — | 03 Nov 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.11%
|
41,438
|
$212,991 | — | 31 Mar 2026 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.11%
|
40,466
|
$207,995 | — | 31 Mar 2026 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.09%
|
33,300
|
$171,162 | — | 31 Mar 2026 | |
| JB CAPITAL PARTNERS LP |
13F
|
Company |
0.09%
|
33,000
|
$169,620 | — | 31 Mar 2026 | |
| MANGROVE PARTNERS IM, LLC |
13F
|
Company |
0.09%
|
32,627
|
$167,703 | — | 31 Mar 2026 | |
| Chuang Patrick T. |
3/4/5
|
Senior VP, Memory Design |
0.04%
|
15,166
|
$161,930 | -$921,790 | 12 May 2026 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.08%
|
30,454
|
$156,534 | — | 31 Mar 2026 | |
| TWO SIGMA SECURITIES, LLC |
13F
|
Company |
0.08%
|
28,680
|
$147,415 | — | 31 Mar 2026 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Douglas M. Schirle | GSIT | Common Stock | Sale | -36.7% | $452,928 | $11.32 | -40,000 | 69,046 | 14 May 2026 | Direct |
| Douglas M. Schirle | GSIT | Common Stock | Options Exercise | 57.9% | 40,000 | 109,046 | 14 May 2026 | Direct | ||
| Douglas M. Schirle | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -40,000 | 0 | 14 May 2026 | Direct | ||
| Lee-Lean Shu | GSIT | Common Stock | Sale | -1.91% | $128,977 | $12.51 | -10,313 | 530,939 | 13 May 2026 | By Spouse |
| Lee-Lean Shu | GSIT | Common Stock | Options Exercise | 1.94% | 10,313 | 541,252 | 13 May 2026 | By Spouse | ||
| Lee-Lean Shu | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -10,313 | 0 | 13 May 2026 | By Spouse | ||
| Avidan Akerib | GSIT | Common Stock | Sale | -45.8% | $225,326 | $11.47 | -19,653 | 23,307 | 13 May 2026 | Direct |
| Avidan Akerib | GSIT | Common Stock | Options Exercise | 84.3% | 19,653 | 42,960 | 13 May 2026 | Direct | ||
| Avidan Akerib | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -19,653 | 0 | 13 May 2026 | Direct | ||
| Ping Tak Wu | GSIT | Common Stock | Sale | -7.38% | $127,040 | $10.80 | -11,763 | 147,647 | 12 May 2026 | Direct |
| Avidan Akerib | GSIT | Common Stock | Sale | -1.47% | $4,174 | $12.03 | -347 | 23,307 | 12 May 2026 | Direct |
| Avidan Akerib | GSIT | Common Stock | Options Exercise | 1.49% | 347 | 23,654 | 12 May 2026 | Direct | ||
| Avidan Akerib | GSIT | Stock Option (right to buy) | Options Exercise | -1.74% | -347 | 19,653 | 12 May 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Common Stock | Sale | -72.5% | $427,088 | $10.68 | -40,000 | 15,166 | 12 May 2026 | Direct |
| Chuang Patrick T. | GSIT | Common Stock | Options Exercise | 263.8% | 40,000 | 55,166 | 12 May 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -40,000 | 0 | 12 May 2026 | Direct | ||
| Lee-Lean Shu | GSIT | Common Stock | Sale | -1.91% | $108,420 | $10.51 | -10,313 | 530,939 | 11 May 2026 | By Spouse |
| Lee-Lean Shu | GSIT | Common Stock | Options Exercise | 1.94% | 10,313 | 541,252 | 11 May 2026 | By Spouse | ||
| Lee-Lean Shu | GSIT | Common Stock | Sale | -6.28% | $1,531,788 | $11.54 | -132,749 | 1,982,417 | 11 May 2026 | Direct |
| Lee-Lean Shu | GSIT | Common Stock | Options Exercise | 6.81% | 132,749 | 2,082,417 | 11 May 2026 | Direct | ||
| Lee-Lean Shu | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -10,313 | 0 | 11 May 2026 | By Spouse | ||
| Lee-Lean Shu | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -132,749 | 0 | 11 May 2026 | Direct | ||
| 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 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.