Ellen B. Richstone

Companies

• COGNITION THERAPEUTICS INCBoard member Nov 3, 2021 to now¹
• SUPERIOR INDUSTRIES INTERNATIONAL INCBoard member Jun 29, 2017 to now²
• ORION ENERGY SYSTEMS, INC.Board member Feb 22, 2017 to now³
• EMAGIN CORPBoard member Jul 3, 2014 to Oct 19, 2023⁴
• Sonus NetworksChief financial officer Mar 23, 2006 to Mar 23, 2006⁵

Holdings

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

Shares held

• OEORION ENERGY SYSTEMS, INC. OESX35,897 shares⁶$835.0K at $23.26Aug 11, 2026
• CTCOGNITION THERAPEUTICS INC CGTX83,500 shares⁷$60.9K at $0.73Jun 17, 2026
• SISUPERIOR INDUSTRIES INTERNATIONAL INC192,336 shares⁸May 22, 2025
• EEMAGIN CORP0 shares⁹Oct 18, 2023

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

Recent filings

• Aug 11, 2026Granted 2,532 shares of ORION ENERGY SYSTEMS, INC.⁶
• Jun 17, 2026Granted 25,000 shares of COGNITION THERAPEUTICS INC⁷
• Jul 1, 2025Granted 20,000 shares of ORION ENERGY SYSTEMS, INC.¹⁰
• Jun 18, 2025Granted 34,000 shares of COGNITION THERAPEUTICS INC¹¹
• May 22, 2025Exercised options 37,338 shares of SUPERIOR INDUSTRIES INTERNATIONAL INC⁸
• Feb 21, 2025Bought 20,000 shares at $0.91 of ORION ENERGY SYSTEMS, INC.¹²
• Feb 20, 2025Bought 874 shares at $0.88 of ORION ENERGY SYSTEMS, INC.¹³
• Feb 19, 2025Bought 13,000 shares at $0.84 of ORION ENERGY SYSTEMS, INC.¹³
• Feb 18, 2025Bought 13,000 shares at $0.84 of ORION ENERGY SYSTEMS, INC.¹⁴
• Feb 14, 2025Bought 10,000 shares at $0.82 of ORION ENERGY SYSTEMS, INC.¹⁵
• Jun 14, 2024Bought 20,000 shares at $1.15 of ORION ENERGY SYSTEMS, INC.¹⁶
• Jun 11, 2024Granted 27,523 shares of ORION ENERGY SYSTEMS, INC.¹⁷
• Jun 7, 2024Granted 8,500 shares of COGNITION THERAPEUTICS INC¹⁸
• May 19, 2024Exercised options 33,207 shares of SUPERIOR INDUSTRIES INTERNATIONAL INC¹⁹
• Nov 29, 2023Bought 30,000 shares at $0.93 of ORION ENERGY SYSTEMS, INC.²⁰
• Oct 18, 2023Returned to company 42,692 shares at $2.08 of EMAGIN CORP⁹
• Oct 18, 2023Exercised options 5,557 shares of EMAGIN CORP⁹
• Aug 15, 2023Granted 19,355 shares of ORION ENERGY SYSTEMS, INC.²¹
• Jun 12, 2023Bought 8,185 shares at $1.85 of ORION ENERGY SYSTEMS, INC.²²
• Jun 9, 2023Exercised options 5,557 shares of EMAGIN CORP²³
• Jun 9, 2023Bought 16,815 shares at $1.78 of ORION ENERGY SYSTEMS, INC.²⁴
• Jun 9, 2023Granted 6,000 shares of COGNITION THERAPEUTICS INC²⁵
• Apr 28, 2023Exercised options 30,303 shares of SUPERIOR INDUSTRIES INTERNATIONAL INC²⁶
• Nov 29, 2022Bought 10,000 shares at $2.66 of COGNITION THERAPEUTICS INC²⁷
• Jun 10, 2022Granted 22,935 shares of ORION ENERGY SYSTEMS, INC.²⁸