Christopher Greenberg

Companies

• Birchtech Corp.Chair May 5, 2015 to Jan 16, 2024¹
• Birchtech Corp.Board member Jun 5, 2013 to Aug 5, 2014²

Holdings

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

Shares held

• BBirchtech Corp. BCHT5,430,533 shares³$6.5M at $1.19Feb 3, 2023

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

Recent filings

• Feb 1, 2023Exercised options 250,000 shares at $0.19 of Birchtech Corp.³
• Feb 1, 2023Exercised options 600,000 shares at $0.27 of Birchtech Corp.³
• Nov 15, 2022Exercised options 8,333 shares at $0.25 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 8,333 shares at $0.33 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 8,333 shares at $0.20 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 8,333 shares at $0.26 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 8,333 shares at $0.25 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 8,333 shares at $0.17 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 8,333 shares at $0.21 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 8,333 shares at $0.29 of Birchtech Corp.⁴
• Nov 15, 2022Exercised options 150,000 shares at $0.28 of Birchtech Corp.⁴
• Sep 2, 2022Bought 10,000 shares at $0.24 of Birchtech Corp.⁵
• May 31, 2022Granted 150,000 shares of Birchtech Corp.⁶