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Alexander J Buehler insider trades
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Alexander J Buehler insider trades

Alexander J Buehler has filed 12 Form 4s with the SEC that we hold, for Energy Recovery, Inc. (ERII) (Interim President and CEO, Director) and Liqtech International INC (LIQT) (Director). Across all of them we count 1 purchase worth $1.0M and 2 sales worth $1.2M reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($129.8K). The largest single trade was a sale of 50,000 shares of Energy Recovery, Inc. worth $1.1M, dated 2022-06-03. The first filing on our record is dated 2022-01-05 and the latest 2026-06-17.

Energy Recovery, Inc. (ERII)

Interim President and CEO, Director · 7 filings · 2 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2022-06-03S, sale reported on Form 450,000$1.1M2022-06-06SEC
2026-06-15S, sale reported on Form 414,900$129.8K2026-06-17SEC

Liqtech International INC (LIQT)

Director · 5 filings · 1 purchase or sale
Trade dateCodeSharesValue as filedFiledSource
2022-05-17P, purchase reported on Form 42,000,000$1.0M2022-05-19SEC
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1397838) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-28 · For informational purposes only, not investment advice.
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