Lee Kang Jyh sold $308K of PLAB
Lee Kang Jyh sold 10,000 shares of PHOTRONICS INC (PLAB) at $30.75 ($0.31M total) on 2026-09-29.
How this was made
The 30-second read
Why it matters
A director's sale of over $300k may prompt short-term price softness, but the amount is modest relative to market cap.
Market read
Primary insider sale filing; limited impact confined to PLAB shareholders.
What to watch
No accompanying news on earnings or guidance; the sale may simply reflect personal liquidity needs.
Background
SEC Form 4 filing discloses insider transactions; this is the first public report of the director's sale.
Ticker impact
Director Lee Kang Jyh sold 10,000 shares for $307,500 on Sep 29, reducing his stake to 337,350 shares.
likely slight downward pressure as the market prices the insider sale
A director sold a sizable block at $30.75 per share; such sales often trigger short-term selling pressure.
Market effects
Minimal; the sale does not affect the broader semiconductor equipment sector.
None; the filing is U.S.-focused and limited to Photronics.
Low; only relevant to investors tracking PLAB.
Counterpoint
The sale could be routine portfolio rebalancing and not a negative signal.
Key entities
- CompanyPhotronics Inc
US-listed semiconductor equipment manufacturer (ticker PLAB).
- IndividualLee Kang Jyh
Director of Photronics who sold shares.



