As of the latest Form 4 filed Jun 3, 2026.
What GSI Technology Inc insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 35 most recent filings for GSIT.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-03 | 2026-06-02 | CHUANG PATRICK T Senior VP, Memory Design | SSale | −40.0K | $10.98 | $439K | No | Form 4 ↗ |
| 2026-06-03 | 2026-06-02 | CHUANG PATRICK T, Senior VP, Memory Design | MExercise | +40.0K | $4.08 | $163K | No | Form 4 ↗ |
| 2026-06-03 | 2026-06-01 | CHUANG PATRICK T, Senior VP, Memory Design | SSale | −40.0K | $11.31 | $453K | No | Form 4 ↗ |
| 2026-06-03 | 2026-06-01 | CHUANG PATRICK T, Senior VP, Memory Design | MExercise | +40.0K | $7.26 | $290K | No | Form 4 ↗ |
| 2026-06-03 | 2026-06-01 | Wu Bor-Tay VP, Taiwan Operations | SSale | −20.0K | $10.93 | $219K | No | Form 4 ↗ |
| 2026-06-03 | 2026-06-01 | Wu Bor-Tay, VP, Taiwan Operations | MExercise | +20.0K | $3.68 | $73.6K | No | Form 4 ↗ |
| 2026-05-27 | 2026-05-26 | Wu Ping Tak VP, U.S. Operations | SSale | −30.0K | $11.01 | $330K | No | Form 4 ↗ |
| 2026-05-27 | 2026-05-26 | Wu Ping Tak, VP, U.S. Operations | MExercise | +30.0K | $4.99 | $150K | No | Form 4 ↗ |
| 2026-05-26 | 2026-05-22 | Wu Bor-Tay VP, Taiwan Operations | SSale | +20.0K | $10.93 | $219K | No | Form 4 ↗ |
| 2026-05-26 | 2026-05-22 | Wu Bor-Tay, VP, Taiwan Operations | MExercise | +20.0K | $1.92 | $38.4K | No | Form 4 ↗ |
| 2026-05-26 | 2026-05-22 | Wu Bor-Tay, VP, Taiwan Operations | SSale | −20.0K | $10.93 | $219K | No | Form 4 ↗ |
| 2026-05-26 | 2026-05-22 | Wu Bor-Tay, VP, Taiwan Operations | MExercise | +20.0K | $2.27 | $45.4K | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-21 | Lasserre Didier VP, Sales | SSale | −30.0K | $9.31 | $279K | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-21 | Lasserre Didier, VP, Sales | MExercise | +30.0K | $4.99 | $150K | No | Form 4 ↗ |
| 2026-05-14 | 2026-05-14 | Schirle Douglas CFO | SSale | −40.0K | $11.32 | $453K | No | Form 4 ↗ |
| 2026-05-14 | 2026-05-14 | Schirle Douglas, CFO | MExercise | +40.0K | $4.99 | $200K | No | Form 4 ↗ |
| 2026-05-14 | 2026-05-13 | Shu Lee-Lean Pres., CEO and Chairman | SSale | −10.3K | $12.51 | $129K | Yes (planned) | Form 4 ↗ |
| 2026-05-14 | 2026-05-13 | Shu Lee-Lean, Pres., CEO and Chairman | MExercise | +10.3K | $7.26 | $74.9K | Yes (planned) | Form 4 ↗ |
| 2026-05-14 | 2026-05-12 | Wu Ping Tak VP, U.S. Operations | SSale | −11.8K | $10.80 | $127K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-13 | Akerib Avidan VP, Associative Computing | SSale | −19.7K | $11.47 | $225K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-13 | Akerib Avidan, VP, Associative Computing | MExercise | +19.7K | $6.16 | $121K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-12 | CHUANG PATRICK T Senior VP, Memory Design | SSale | −40.0K | $10.68 | $427K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-12 | CHUANG PATRICK T, Senior VP, Memory Design | MExercise | +40.0K | $6.70 | $268K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-12 | Akerib Avidan VP, Associative Computing | SSale | −347.00 | $12.03 | $4.17K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-12 | Akerib Avidan, VP, Associative Computing | MExercise | +347.00 | $6.16 | $2.14K | No | Form 4 ↗ |
| 2026-05-12 | 2026-05-11 | Shu Lee-Lean Pres., CEO and Chairman | SSale | −10.3K | $10.51 | $108K | Yes (planned) | Form 4 ↗ |
| 2026-05-12 | 2026-05-11 | Shu Lee-Lean, Pres., CEO and Chairman | MExercise | +10.3K | $4.99 | $51.5K | Yes (planned) | Form 4 ↗ |
| 2026-05-12 | 2026-05-11 | Shu Lee-Lean, Pres., CEO and Chairman | SSale | −100K | $12.01 | $1.20M | Yes (planned) | Form 4 ↗ |
| 2026-05-12 | 2026-05-11 | Shu Lee-Lean, Pres., CEO and Chairman | MExercise | +100K | $7.26 | $726K | Yes (planned) | Form 4 ↗ |
| 2026-05-12 | 2026-05-11 | Shu Lee-Lean, Pres., CEO and Chairman | SSale | −32.7K | $10.09 | $330K | Yes (planned) | Form 4 ↗ |
| 2026-05-12 | 2026-05-11 | Shu Lee-Lean, Pres., CEO and Chairman | MExercise | +32.7K | $4.99 | $163K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-13 | CHUANG PATRICK T Senior VP, Memory Design | SSale | −40.0K | $8.56 | $342K | No | Form 4 ↗ |
| 2026-03-16 | 2026-03-13 | CHUANG PATRICK T, Senior VP, Memory Design | MExercise | +40.0K | $5.58 | $223K | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-10 | Wu Bor-Tay VP, Taiwan Operations | SSale | −40.0K | $8.66 | $347K | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-10 | Wu Bor-Tay, VP, Taiwan Operations | MExercise | +40.0K | $4.99 | $200K | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also GSIT’s full analysis or the market-wide insider trading feed. The tabs above jump to GSIT’s other SEC data.
Source: SEC Form 4 filings for GSIT, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
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