George C. McNamee

Companies

• Plug PowerBoard member Jun 30, 2006 to now¹
• iRobotBoard member Aug 1, 2006 to Apr 1, 2016²
• Plug PowerChair Apr 3, 2013 to Jul 2, 2014³

Holdings

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

Shares held

• Plug Power PLUG1,173,282 shares⁴$1.7M at $1.49Jun 16, 2026

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

Recent filings

• Jun 11, 2026Granted 39,753 shares of Plug Power⁴
• Jan 2, 2026Granted 13,008 shares at $1.97 of Plug Power⁵
• Oct 1, 2025Granted 10,998 shares at $2.33 of Plug Power⁶
• Jul 3, 2025Granted 76,531 shares of Plug Power⁷
• Jul 1, 2025Granted 17,198 shares at $1.49 of Plug Power⁸
• Apr 1, 2025Granted 18,981 shares at $1.35 of Plug Power⁹
• Jan 2, 2025Granted 12,031 shares at $2.13 of Plug Power¹⁰
• Nov 1, 2024Sold 10,000 shares at $2.09 of Plug Power¹¹
• Oct 1, 2024Granted 11,338 shares at $2.26 of Plug Power¹²
• Aug 1, 2024Sold 10,000 shares at $2.37 of Plug Power¹³
• Jul 1, 2024Granted 16,497 shares at $2.33 of Plug Power¹⁴
• Jun 5, 2024Granted 37,375 shares of Plug Power¹⁵
• May 10, 2024Sold 10,000 shares at $2.56 of Plug Power¹⁶
• Apr 1, 2024Granted 11,174 shares at $3.44 of Plug Power¹⁷
• Jan 2, 2024Granted 5,694 shares at $4.50 of Plug Power¹⁸
• Oct 2, 2023Granted 3,372 shares at $7.60 of Plug Power¹⁹
• Jul 3, 2023Granted 2,346 shares at $10.39 of Plug Power²⁰
• Jun 27, 2023Granted 12,149 shares of Plug Power²¹
• Apr 3, 2023Granted 2,080 shares at $11.72 of Plug Power²²
• Jan 3, 2023Granted 1,314 shares at $12.37 of Plug Power²³
• Nov 17, 2022Gift 3,680 shares of Plug Power²⁴
• Oct 3, 2022Granted 773 shares at $21.01 of Plug Power²⁵
• Jul 1, 2022Granted 981 shares at $16.57 of Plug Power²⁶
• Jun 30, 2022Granted 6,789 shares of Plug Power²⁷
• Apr 1, 2022Granted 568 shares at $28.61 of Plug Power²⁸