Insider · CIK 0001394447
Ping Tak Wu
Files at GSIT (GSI TECHNOLOGY INC). First filing May 14, 2026, latest May 27, 2026.
Ping Tak Wu files SEC Form 4 as officer at GSIT (GSI TECHNOLOGY INC). Since May 14, 2026, Ping Tak Wu has reported 0 open-market buys worth $0 and 2 open-market sells worth $457k, the latest filed on May 27, 2026.
A track record needs three past buys with six months of prices behind them; Ping Tak Wu has 0, so none is measured yet.
The newest scored trade: sold $330k of GSIT on May 26, 2026, filed May 27, 2026, scored 35 (weak). In the last 12 months: 0 buys worth $0 and 2 sells worth $457k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
GSIT: GSI TECHNOLOGY INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 35Weak | GSI TECHNOLOGY INC | $330k 30,000 shares | -17% | +263% from low-19% from high | |
| 41Moderate | GSI TECHNOLOGY INC | $127k 11,763 shares | -7% | +297% from low-11% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 26, 2026 | GSIT GSI TECHNOLOGY INC | 30,000 0.08% of outstanding | $334k | May 26, 2026 | $127k |
Transactions
Every row this insider has filed, 7 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 26, 2026 | GSIT GSI TECHNOLOGY INC | MOption exercise Common Stock | +30,000 | $4.99 | $150k | 178,441 | May 27, 2026 |
| May 26, 2026 | GSIT GSI TECHNOLOGY INC | SOpen-market sale Common Stock | -30,000 | $11.01 | $330k | 148,441 | May 27, 2026 |
| May 26, 2026 | GSIT GSI TECHNOLOGY INC | MOption exercise Stock Option (right to buy)derivative | -30,000 | $0.00 | $0 | 0 | May 27, 2026 |
| May 12, 2026 | GSIT GSI TECHNOLOGY INC | SOpen-market sale Common Stock | -11,763 | $10.80 | $127k | 147,647 | May 14, 2026 |
| Feb 2, 2026 | GSIT GSI TECHNOLOGY INC | AGrant or award Stock Option (right to buy)derivative | +15,000 | $0.00 | $0 | 15,000 | Feb 4, 2026 |
| Aug 4, 2025 | GSIT GSI TECHNOLOGY INC | AGrant or award Stock Option (right to buy)derivative | +30,000 | $0.00 | $0 | 30,000 | Aug 5, 2025 |
| May 5, 2025 | GSIT GSI TECHNOLOGY INC | AGrant or award Stock Option (right to buy)derivative | +15,000 | $0.00 | $0 | 15,000 | May 6, 2025 |
Questions about Ping Tak Wu
Answered from the filings on this page, as of the latest one.
Is Ping Tak Wu buying or selling?
In the last 12 months Ping Tak Wu reported 0 open-market buys worth $0 and 2 open-market sells worth $457k on SEC Form 4; the latest was sold $330k of GSIT on May 26, 2026. Grants, option exercises and tax withholding are not counted.
How did Ping Tak Wu's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Ping Tak Wu has 0.
Where does Ping Tak Wu file Form 4?
Ping Tak Wu has filed Form 4 at GSIT (GSI TECHNOLOGY INC) as VP, U.S. Operations. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.