Alexander J. Buehler

Companies

• Energy Recovery Inc.Chief executive officer Jun 17, 2026 to now¹
• Energy Recovery Inc.President Jun 17, 2026 to now¹
• Energy Recovery Inc.Board member Feb 9, 2015 to now²
• LIQTECH INTERNATIONAL INCBoard member Aug 17, 2017 to Jan 13, 2025³
• LIQTECH INTERNATIONAL INCChief executive officer May 19, 2022 to May 19, 2022⁴
• Energy Recovery Inc.Chief financial officer Jun 3, 2011 to Jun 20, 2014⁵

Holdings

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

Shares held

• Energy Recovery Inc. ERII66,755 shares⁶$446.3K at $6.68Jun 15, 2026
• LILIQTECH INTERNATIONAL INC LIQT467,623 shares⁷$171.2K at $0.37Jan 7, 2025

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

Recent filings

• Jun 15, 2026Sold 14,900 shares at $8.71 of Energy Recovery Inc.⁶
• Jun 15, 2026Exercised options 15,327 shares at $8.60 of Energy Recovery Inc.⁶
• Jun 5, 2025Granted 12,038 shares of Energy Recovery Inc.⁸
• Jan 7, 2025Granted 53,030 shares of LIQTECH INTERNATIONAL INC⁷
• Aug 19, 2024Exercised options 19,841 shares at $2.92 of Energy Recovery Inc.⁹
• Jun 6, 2024Granted 11,127 shares of Energy Recovery Inc.¹⁰
• Jan 3, 2024Granted 20,940 shares of LIQTECH INTERNATIONAL INC¹¹
• Jun 8, 2023Granted 3,703 shares at $27.00 of Energy Recovery Inc.¹²
• Jan 3, 2023Granted 98,000 shares of LIQTECH INTERNATIONAL INC¹³
• Jan 1, 2023Granted 97,456 shares of LIQTECH INTERNATIONAL INC¹³
• Jan 1, 2023Granted 924,089 shares of LIQTECH INTERNATIONAL INC¹³
• Jun 9, 2022Granted 4,807 shares at $20.80 of Energy Recovery Inc.¹⁴
• Jun 3, 2022Sold 50,000 shares at $21.34 of Energy Recovery Inc.¹⁵
• Jun 3, 2022Exercised options 33,551 shares at $2.92 of Energy Recovery Inc.¹⁵
• Jun 3, 2022Exercised options 16,449 shares at $3.53 of Energy Recovery Inc.¹⁵
• May 17, 2022Bought 2,000,000 shares at $0.50 of LIQTECH INTERNATIONAL INC¹⁶
• Jan 3, 2022Granted 6,240 shares of LIQTECH INTERNATIONAL INC¹⁷