Ruey-Lin Lu
CIK 1394200 · View on SEC EDGAR ↗
First SEC filing: April 4, 2007 · Latest: April 4, 2007
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 25, 2022 | GSIT | P | 5,051 | $3.55 | $17,931 | 52,500 Direct | +10.65% | Acquired | 64.8% (price as of 2026-08-20) |
| May 24, 2022 | GSIT | P | 804 | $3.45 | $2,774 | 47,449 Direct | +1.72% | Acquired | 69.6% (price as of 2026-08-20) |
| May 23, 2022 | GSIT | P | 5,000 | $3.18 | $15,900 | 46,645 Direct | +12.01% | Acquired | 84.0% (price as of 2026-08-20) |
| May 20, 2022 | GSIT | P | 19,645 | $3.22 | $63,257 | 41,645 Direct | +89.30% | Acquired | 81.7% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Nov. 3, 2025 | GSIT | Stock Option (right to buy) | Common Stock (5,412) | $9.70 | Nov. 3, 2035 | 5,412 | Acquired |
| Oct. 31, 2025 | GSIT | Stock Option (right to buy) | Common Stock (0) | $4.34 | Nov. 2, 2025 | 4,000 | Acquired |
| Oct. 28, 2024 | GSIT | Stock Option (right to buy) | Common Stock (13,008) | $3.69 | Oct. 28, 2034 | 13,008 | Acquired |
| Oct. 30, 2023 | GSIT | Stock Option (right to buy) | Common Stock (25,130) | $1.91 | Oct. 30, 2033 | 25,130 | Disposed |
| Oct. 31, 2022 | GSIT | Stock Option (right to buy) | Common Stock (25,668) | $1.87 | Oct. 31, 2032 | 25,668 | Disposed |
| Nov. 1, 2021 | GSIT | Stock Option (right to buy) | Common Stock (8,633) | $5.56 | Nov. 1, 2031 | 8,633 | Disposed |
| Oct. 18, 2021 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $4.90 | Oct. 31, 2021 | 6,000 | Disposed |
| Nov. 2, 2020 | GSIT | Stock Option (right to buy) | Common Stock (7,766) | $6.18 | Nov. 2, 2030 | 7,766 | Acquired |
| Oct. 28, 2019 | GSIT | Stock Option (right to buy) | Common Stock (6,225) | $7.71 | Oct. 28, 2029 | 6,225 | Acquired |
| June 20, 2019 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $3.94 | Oct. 28, 2019 | 6,000 | Disposed |
| Oct. 29, 2018 | GSIT | Stock Option (right to buy) | Common Stock (8,121) | $5.91 | Oct. 29, 2028 | 8,121 | Acquired |
| Nov. 10, 2017 | GSIT | Stock Option (right to buy) | Common Stock (5,000) | $3.81 | Aug. 28, 2018 | 5,000 | Disposed |
| May 10, 2017 | GSIT | Stock Option (right to buy) | Common Stock (5,000) | $2.49 | Nov. 5, 2017 | 5,000 | Disposed |
| Oct. 31, 2016 | GSIT | Stock Option (right to buy) | Common Stock (9,090) | $5.28 | Oct. 31, 2026 | 9,090 | Acquired |
| Nov. 2, 2015 | GSIT | Stock Option (right to buy) | Common Stock (4,000) | $4.34 | Nov. 2, 2025 | 4,000 | Acquired |
| Nov. 3, 2014 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $4.68 | Nov. 3, 2024 | 6,000 | Acquired |
| Nov. 4, 2013 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $6.63 | Nov. 4, 2023 | 6,000 | Acquired |
| Oct. 31, 2012 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $5.59 | Oct. 31, 2022 | 6,000 | Acquired |
| Oct. 31, 2011 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $4.90 | Oct. 31, 2021 | 6,000 | Acquired |
| Nov. 1, 2010 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $6.82 | Nov. 1, 2020 | 6,000 | Acquired |
| Oct. 28, 2009 | GSIT | Stock Option (right to buy) | Common Stock (6,000) | $3.94 | Oct. 28, 2019 | 6,000 | Acquired |
| Aug. 28, 2008 | GSIT | Stock Option (right to buy) | Common Stock (5,000) | $3.81 | Aug. 28, 2018 | 5,000 | Acquired |
| Nov. 5, 2007 | GSIT | Stock Option (right to buy) | Common Stock (5,000) | $2.49 | Nov. 5, 2017 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.