Mark J. Bonney

Companies

• Plug PowerBoard member Jul 18, 2023 to now¹
• TILE SHOP HOLDINGS, INC.Board member Jul 22, 2020 to now²
• Zix CorpBoard member Jan 8, 2013 to Dec 28, 2021³
• SeaChange InternationalBoard member Aug 28, 2017 to Dec 5, 2019⁴
• SeaChange InternationalChair Apr 8, 2019 to Jun 13, 2019⁵
• Sigma DesignsBoard member Aug 9, 2012 to Oct 6, 2014⁶

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 PLUG271,530 shares⁷$404.6K at $1.49Jul 1, 2026
• TSTILE SHOP HOLDINGS, INC. TTSH127,627 shares⁸$266.7K at $2.09Jun 3, 2025
• Zix Corp ZIXI0 shares⁹Dec 23, 2021

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

Recent filings

• Jul 1, 2026Granted 8,764 shares at $2.71 of Plug Power⁷
• Jun 11, 2026Granted 39,753 shares of Plug Power¹⁰
• Apr 1, 2026Granted 10,509 shares at $2.26 of Plug Power¹¹
• Jan 2, 2026Granted 12,056 shares at $1.97 of Plug Power¹²
• Oct 1, 2025Granted 10,193 shares at $2.33 of Plug Power¹³
• Jul 3, 2025Granted 76,531 shares of Plug Power¹⁴
• Jul 1, 2025Granted 15,940 shares at $1.49 of Plug Power¹⁵
• Jun 3, 2025Granted 11,813 shares at $5.93 of TILE SHOP HOLDINGS, INC.⁸
• Apr 1, 2025Granted 17,593 shares at $1.35 of Plug Power¹⁶
• Jan 2, 2025Granted 11,150 shares at $2.13 of Plug Power¹⁷
• Oct 1, 2024Granted 10,509 shares at $2.26 of Plug Power¹⁸
• Jul 1, 2024Granted 10,193 shares at $2.33 of Plug Power¹⁹
• Jun 18, 2024Granted 10,593 shares at $6.61 of TILE SHOP HOLDINGS, INC.²⁰
• Jun 5, 2024Granted 37,375 shares of Plug Power²¹
• Apr 1, 2024Granted 6,904 shares at $3.44 of Plug Power²²
• Jan 2, 2024Granted 2,639 shares at $4.50 of Plug Power²³
• Oct 2, 2023Granted 1,421 shares at $7.60 of Plug Power²⁴
• Jun 13, 2023Granted 14,092 shares at $4.97 of TILE SHOP HOLDINGS, INC.²⁵
• Jun 14, 2022Granted 30,365 shares of TILE SHOP HOLDINGS, INC.²⁶
• Dec 23, 2021Returned to company 39,049 shares of Zix Corp⁹
• Dec 23, 2021Returned to company 32,087 shares at $8.50 of Zix Corp⁹