Gary K. Willis

Companies

• Plug PowerBoard member Jun 30, 2006 to now¹
• Zygo CorporationChief executive officer Nov 13, 2013 to Jun 20, 2014²
• Zygo CorporationBoard member Jun 18, 2009 to Jun 20, 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 PLUG730,107 shares⁴$1.1M at $1.49Jun 11, 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 16,497 shares at $1.97 of Plug Power⁵
• Oct 1, 2025Granted 13,948 shares at $2.33 of Plug Power⁶
• Jul 3, 2025Granted 76,531 shares of Plug Power⁷
• Jul 1, 2025Granted 21,812 shares at $1.49 of Plug Power⁸
• Apr 1, 2025Granted 24,074 shares at $1.35 of Plug Power⁹
• Jan 2, 2025Granted 15,258 shares at $2.13 of Plug Power¹⁰
• Oct 1, 2024Granted 14,381 shares at $2.26 of Plug Power¹¹
• Jul 1, 2024Granted 13,948 shares at $2.33 of Plug Power¹²
• Jun 5, 2024Granted 37,375 shares of Plug Power¹³
• Apr 1, 2024Granted 9,448 shares at $3.44 of Plug Power¹⁴
• Jan 2, 2024Granted 3,611 shares at $4.50 of Plug Power¹⁵
• Oct 2, 2023Granted 2,138 shares at $7.60 of Plug Power¹⁶
• Jul 3, 2023Granted 1,444 shares at $10.39 of Plug Power¹⁷
• Jun 27, 2023Granted 12,149 shares of Plug Power¹⁸
• Apr 3, 2023Granted 1,280 shares at $11.72 of Plug Power¹⁹
• Jan 3, 2023Granted 909 shares at $12.37 of Plug Power²⁰
• Oct 3, 2022Granted 535 shares at $21.01 of Plug Power²¹
• Jul 1, 2022Granted 679 shares at $16.57 of Plug Power²²
• Jun 30, 2022Granted 6,789 shares of Plug Power²³
• Apr 1, 2022Granted 393 shares at $28.61 of Plug Power²⁴
• Jan 3, 2022Granted 399 shares at $28.23 of Plug Power²⁵
• Oct 1, 2021Granted 440 shares at $25.54 of Plug Power²⁶