Insider · CIK 0002107725
Rui Zhang
Files at PLAB (PHOTRONICS INC). First filing Apr 10, 2026, latest Apr 21, 2026.
In brief
Rui Zhang files SEC Form 4 as officer at PLAB (PHOTRONICS INC). Since Apr 10, 2026, Rui Zhang has reported 0 open-market buys worth $0 and 2 open-market sells worth $289k, the latest filed on Apr 21, 2026.
A track record needs three past buys with six months of prices behind them; Rui Zhang has 0, so none is measured yet.
The newest scored trade: sold $213k of PLAB on Apr 17, 2026, filed Apr 21, 2026, scored 47 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $289k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
PLAB: PHOTRONICS 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 |
|---|---|---|---|---|---|
| 47Moderate | PHOTRONICS INC | $213k 4,556 shares | -14% | +190% from low0% from high | |
| 38Weak | PHOTRONICS INC | $76k 1,752 shares | -5% | +159% from low-1% 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 |
|---|---|---|---|---|---|
| Apr 17, 2026 | PLAB PHOTRONICS INC | 4,556 0.01% of outstanding | $213k | Apr 17, 2026 | $76k |
| Apr 8, 2026 | PLAB PHOTRONICS INC | 1,752 0.00% of outstanding | $76k | Apr 8, 2026 | none |
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | PLAB PHOTRONICS INC | FTax withholding COMMON STOCK | -392 | $30.83 | $12k | 26,687 | 11 d ago |
| Apr 17, 2026 | PLAB PHOTRONICS INC | SOpen-market sale COMMON STOCK | -4,556 | $46.70 | $213k | 27,079 | Apr 21, 2026 |
| Apr 8, 2026 | PLAB PHOTRONICS INC | SOpen-market sale COMMON STOCK | -1,752 | $43.50 | $76k | 31,635 | Apr 10, 2026 |
| Feb 9, 2026 | PLAB PHOTRONICS INC | AGrant or award COMMON STOCK | +1,467 | $0.00 | $0 | 33,387 | Feb 11, 2026 |
Questions about Rui Zhang
Answered from the filings on this page, as of the latest one.
Is Rui Zhang buying or selling?
In the last 12 months Rui Zhang reported 0 open-market buys worth $0 and 2 open-market sells worth $289k on SEC Form 4; the latest was sold $213k of PLAB on Apr 17, 2026. Grants, option exercises and tax withholding are not counted.
How did Rui Zhang's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Rui Zhang has 0.
Where does Rui Zhang file Form 4?
Rui Zhang has filed Form 4 at PLAB (PHOTRONICS INC) as VP, CAO & Corporate Controller. 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.