Constantine S. Macricostas

Companies

• Photronics IncBoard member Jan 5, 2006 to now¹
• Photronics IncChair Aug 3, 2015 to Jan 5, 2017²
• Photronics IncChief executive officer Dec 29, 2008 to Dec 23, 2014³
• Photronics IncPresident Jul 17, 2009 to Aug 5, 2014⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Photronics Inc PLAB460,895 shares⁵$13.1M at $28.53Apr 14, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Apr 14, 2026Sold 50,000 shares at $45.35 of Photronics Inc⁵
• Apr 13, 2026Granted 3,722 shares of Photronics Inc⁶
• Apr 2, 2026Gift 37,000 shares of Photronics Inc⁷
• Apr 1, 2026Gift 13,000 shares of Photronics Inc⁷
• Jan 3, 2026Granted 1,272 shares of Photronics Inc⁸
• Jul 2, 2025Sold 29,500 shares at $20.20 of Photronics Inc⁹
• Feb 20, 2025Gift 1,000 shares of Photronics Inc¹⁰
• Feb 13, 2025Granted 7,548 shares of Photronics Inc¹¹
• Feb 13, 2025Granted 3,108 shares at $22.52 of Photronics Inc¹²
• Jan 3, 2024Granted 15,000 shares of Photronics Inc¹³
• Jan 3, 2023Granted 15,000 shares of Photronics Inc¹⁴
• Dec 29, 2022Gift 29,500 shares at $16.91 of Photronics Inc¹⁴
• May 18, 2022Granted 10,000 shares of Photronics Inc¹⁵
• Jan 3, 2022Granted 12,000 shares of Photronics Inc¹⁶
• Dec 30, 2021Gift 50,000 shares at $19.12 of Photronics Inc¹⁶
• Apr 15, 2021Gift 13,500 shares at $12.68 of Photronics Inc¹⁷