George Macricostas

George Macricostas: CEO at Photronics. What George Macricostas holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

Photronics (PLAB)

George Macricostas holds 334,068 Photronics shares (0.57% of the company), worth about $9.7M at the last price, according to the Form 4 of Apr 8, 2026.

• Shares held: 334,068 (0.57%), $9.7M — Held in their own name.

Declarations

• Photronics (PLAB) — Form 4 of Apr 8, 2026 (CEO): open-market sale of 6,500 at $43.27; open-market sale of 5,500 at $43.28; 334,068 shares after 0001140361-26-014308
• Photronics (PLAB) — Form 4 of Jan 3, 2026 (CEO): grant or award of 177,432; 455,262 shares after 0001140361-26-000557
• Photronics (PLAB) — Form 4 of Jul 9, 2025 (CEO): grant or award of 109,830; 277,830 shares after 0001140361-25-025516
• Photronics (PLAB) — Form 4 of Jan 27, 2025 (EXECUTIVE CHAIRMAN): grant or award of 70,000; 168,000 shares after 0001140361-25-002335

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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