Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: LiqTech International Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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LiqTech International Inc. June 5, 202598.9%
-
LiqTech International Inc. November 8, 202492.4%
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LiqTech International Inc. November 9, 202396.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 15, 2026 | Energy Recovery Inc. | Option exercise | +15,327 | $8.60 | $131,812 |
| Jun 15, 2026 | Energy Recovery Inc. | Open-market sale | −14,900 | $8.71 | $129,779 |
| Jun 5, 2025 | Energy Recovery Inc. | Grant or award | +12,038 | — | — |
| Jan 7, 2025 | LiqTech International Inc. | Grant or award | +53,030 | — | — |
| Aug 19, 2024 | Energy Recovery Inc. | Option exercise | +19,841 | $2.92 | $57,936 |
| Jun 6, 2024 | Energy Recovery Inc. | Grant or award | +11,127 | — | — |
| Jan 3, 2024 | LiqTech International Inc. | Grant or award | +20,940 | — | — |
| Jun 8, 2023 | Energy Recovery Inc. | Grant or award | +3,703 | $27.00 | $99,981 |
| Jan 3, 2023 | LiqTech International Inc. | Grant or award | +98,000 | — | — |
| Jan 1, 2023 | LiqTech International Inc. | Grant or award | +924,089 | — | — |
| Jan 1, 2023 | LiqTech International Inc. | Grant or award | +97,456 | — | — |
Questions about Alexander J. Buehler
What boards is Alexander J. Buehler on?
Alexander J. Buehler sits on the boards of Energy Recovery Inc. and LiqTech International Inc.
What company is Alexander J. Buehler the CEO of?
Alexander J. Buehler is Interim President and CEO of Energy Recovery Inc.
How long has Alexander J. Buehler served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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