Summary
Updated Aug 30, 2026
George Macricostas is CEO of PHOTRONICS INC (PLAB). 3 SEC Form 4 filings on record going back to 2025, most recently on 10 April 2026. Most recent open-market trade: sold $4.68M of PLAB on 10 April 2026. Lifetime open-market sales: $5.20M.
Recent Transactions
5Every recent SEC Form 4 transaction George Macricostas has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies George Macricostas files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Kang Jyh Lee - $8.14M of PLAB open-market activity in the last 12 months
- Constantine S. Macricostas - $2.27M of PLAB open-market activity in the last 12 months
- Hsueh-Chun Wang - $2.25M of PLAB open-market activity in the last 12 months
- Eric Rivera - $1.87M of PLAB open-market activity in the last 12 months
- Mary Paladino - $1.42M of PLAB open-market activity in the last 12 months
- Christopher J. Progler - $1.34M of PLAB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is George Macricostas?
George Macricostas is a corporate insider, tracked as CEO of PHOTRONICS INC (PLAB). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did George Macricostas last file a Form 4?
The most recent primary Form 4 on record is dated 10 April 2026, one of 3 filings going back to 2025.
Has George Macricostas been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($5.20M) across all tracked filings.
Where can I see all of George Macricostas's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow George Macricostas and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial