Comparable stake leader
Lee-Lean Shu
SEC ownership of GSI TECHNOLOGY INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001126741.
Disclosed value leader
Lee-Lean Shu
Comparable rows
50/50
Latest evidence
01 Jun 2026
- Public ticker
- GSIT on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Lee-Lean Shu
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Lee-Lean Shu
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001126741
- Issuer location
- Sunnyvale, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of GSI TECHNOLOGY INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Lee-Lean Shu
Disclosed value leader
Lee-Lean Shu
Comparable rows
50/50
Latest evidence
01 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 9.8%
13D/G row: Lee-Lean Shu
Showing 1-8 of 50 holder rows.
Quick read
Lee-Lean Shu leads the comparable SEC ownership view at 9.8%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Lee-Lean Shu's linked filing trail.
Comparable ownership
Top 5
Lee-Lean Shu
9.8%
Galloway Capital Partners, LLC
5%
Bor-Tay Wu
2.5%
Didier Lasserre
0.86%
Ping Tak Wu
0.41%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Lee-Lean Shu |
3/4/5
13D/G
Pres., CEO and Chairman, Director, 10%+ Owner
|
9.8%
from 13D/G
|
$30,456,245
2,513,356 shares
|
-$2,442,813 | 13 May 2026 |
| Galloway Capital Partners, LLC |
13D/G
|
5%
|
$14,606,168
1,818,950 shares
|
$0 | 18 Feb 2026 |
| Bor-Tay Wu |
3/4/5
VP, Taiwan Operations
|
2.5%
|
$9,976,271
912,500 shares
|
-$565,204 | 01 Jun 2026 |
| Didier Lasserre |
3/4/5
VP, Sales
|
0.86%
|
$2,893,300
310,907 shares
|
-$279,180 | 21 May 2026 |
| Ping Tak Wu |
3/4/5
VP, U.S. Operations
|
0.41%
|
$1,634,810
148,441 shares
|
-$457,436 | 26 May 2026 |
| Douglas M. Schirle |
3/4/5
CFO
|
0.19%
|
$781,821
69,046 shares
|
-$452,928 | 14 May 2026 |
| Avidan Akerib |
3/4/5
VP, Associative Computing
|
0.06%
|
$267,219
23,307 shares
|
-$1,959,781 | 12 May 2026 |
| Chuang Patrick T. |
3/4/5
Senior VP, Memory Design
|
0.04%
|
$166,471
15,166 shares
|
-$1,813,438 | 01 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$7,997,400.
Buys
$580,278
Insiders: 2
Sells
$8,577,678
Insiders: 8
Net
-$7,997,400
Shares: -800,407
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 60,000
Shares: 860,407
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 20,000 | 445,138 | $218,678 | $4,944,303 | -$4,725,625 |
| 3-6 | 0 | 167,251 | $0 | $1,529,922 | -$1,529,922 |
| 6-9 | 40,000 | 230,018 | $361,600 | $2,037,886 | -$1,676,286 |
| 9-12 | 0 | 18,000 | $0 | $65,567 | -$65,567 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-16 of 16 reporting-owner rows connected to GSI TECHNOLOGY INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
16
Largest Forms 3/4/5 holder
Lee-Lean Shu
Net 12M change
-$7,997,400
Latest report
15 Jul 2026
| 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 | $9,976,271 | -$565,204 | -5.4% | Filing P/S | 01 Jun 2026 |
| Didier Lasserre | VP, Sales | $2,893,300 | -$279,180 | -8.8% | Filing P/S | 21 May 2026 |
| Robert Yau | Director | $2,124,312 | Mixed | 24 Oct 2024 | ||
| Ping Tak Wu | VP, U.S. Operations | $1,634,810 | -$457,436 | -22% | Filing P/S | 26 May 2026 |
| Douglas M. Schirle | Cfo | $781,821 | -$452,928 | -37% | Filing P/S | 14 May 2026 |
| Elizabeth Cholawsky | Director | $478,231 | Median | 15 Jul 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 | $166,471 | -$1,813,438 | -92% | Filing P/S | 01 Jun 2026 |
| Barbara H. Nelson | Director | $0 | Mixed | 14 Aug 2024 | ||
| Jack A. Bradley | Director | $0 | -$26,620 | -100% | Mixed | 06 Aug 2025 |
| Hong-Po Hsieh | Director | Mixed | 03 Nov 2025 | |||
| Ronald Steger | Director | Mixed | 03 Nov 2025 | |||
| Whipple Arthur O | Director | Mixed | 26 Aug 2021 | |||
| Le Kim | Director | Mixed | 31 Oct 2022 |
Recent insider transactions for GSI TECHNOLOGY INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Elizabeth Cholawsky | GSIT | Common Stock | Options Exercise | 4482.7% | 60,517 | 61,867 | 15 Jul 2026 | Direct | ||
| Elizabeth Cholawsky | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -60,517 | 0 | 15 Jul 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Common Stock | Sale | -72.5% | $439,064 | $10.98 | -40,000 | 15,166 | 02 Jun 2026 | Direct |
| Chuang Patrick T. | GSIT | Common Stock | Options Exercise | 263.8% | 40,000 | 55,166 | 02 Jun 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -40,000 | 0 | 02 Jun 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Common Stock | Sale | -72.5% | $452,584 | $11.31 | -40,000 | 15,166 | 01 Jun 2026 | Direct |
| Chuang Patrick T. | GSIT | Common Stock | Options Exercise | 263.8% | 40,000 | 55,166 | 01 Jun 2026 | Direct | ||
| Chuang Patrick T. | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -40,000 | 0 | 01 Jun 2026 | Direct | ||
| Bor-Tay Wu | GSIT | Common Stock | Sale | -2.14% | $218,658 | $10.93 | -20,000 | 912,500 | 01 Jun 2026 | Direct |
| Bor-Tay Wu | GSIT | Common Stock | Options Exercise | 2.19% | 20,000 | 932,500 | 01 Jun 2026 | Direct | ||
| Bor-Tay Wu | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -20,000 | 0 | 01 Jun 2026 | Direct | ||
| Ping Tak Wu | GSIT | Common Stock | Sale | -16.8% | $330,396 | $11.01 | -30,000 | 148,441 | 26 May 2026 | Direct |
| Ping Tak Wu | GSIT | Common Stock | Options Exercise | 20.2% | 30,000 | 178,441 | 26 May 2026 | Direct | ||
| Ping Tak Wu | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -30,000 | 0 | 26 May 2026 | Direct | ||
| Bor-Tay Wu | GSIT | Common Stock | Sale | 2.24% | $218,678 | $10.93 | 20,000 | 912,500 | 22 May 2026 | Direct |
| Bor-Tay Wu | GSIT | Common Stock | Sale | -2.14% | $218,680 | $10.93 | -20,000 | 912,500 | 22 May 2026 | Direct |
| Bor-Tay Wu | GSIT | Common Stock | Options Exercise | 4.48% | 40,000 | 932,500 | 22 May 2026 | Direct | ||
| Bor-Tay Wu | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -20,000 | 0 | 22 May 2026 | Direct | ||
| Didier Lasserre | GSIT | Common Stock | Sale | -8.8% | $279,180 | $9.31 | -30,000 | 310,907 | 21 May 2026 | Direct |
| Didier Lasserre | GSIT | Common Stock | Options Exercise | 9.65% | 30,000 | 340,907 | 21 May 2026 | Direct | ||
| Didier Lasserre | GSIT | Stock Option (right to buy) | Options Exercise | -100% | -30,000 | 0 | 21 May 2026 | Direct | ||
| 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 |
* marks a reported price that did not pass the local price check.