Insider Trading History of Buehler Alexander J

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Buehler Alexander J since 2008. This trader's CIK number is 1397838. At the time of last reporting, Buehler Alexander J was the Director of Energy Recovery, Inc.. (stock ticker symbol ERII). Also see all insider trading activities at Energy Recovery, Inc..

Note that in the past BUEHLER ALEXANDER J also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Liqtech International Inc (LIQT) by Buehler Alexander J

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2022 LIQT 2,000,000 $1,000,000 0 $0 0 $0

Yearly summary of insider trading at Aegion Corp (INSU) by Buehler Alexander J

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2008 INSU 0 $0 1,319 $24,524 0 $0

Yearly summary of insider trading at Energy Recovery, Inc. (ERII) by Buehler Alexander J

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2024 ERII 0 $0 0 $0 19,841 $57,935
2022 ERII 0 $0 50,000 $1,067,250 50,000 $161,250
2020 ERII 0 $0 50,000 $514,100 0 $0
2016 ERII 0 $0 60,000 $684,909 0 $0
2015 ERII 120,000 $336,990 0 $0 0 $0


Insider trading activities at 3 companies by Buehler Alexander J:

1. Liqtech International Inc (LIQT)

2. Aegion Corp (INSU)

3. Energy Recovery, Inc. (ERII)

Table 1. Insider trading of Liqtech International Inc (LIQT) by Buehler Alexander J

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2022-05-17 LIQT Buy 2,000,000 .50 1,000,000

Table 2. Insider trading of Aegion Corp (INSU) by Buehler Alexander J

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2008-05-22 INSU Sale 1,319 18.59 24,524

Table 3. Insider trading of Energy Recovery, Inc. (ERII) by Buehler Alexander J

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2024-08-19 ERII Option Ex 19,841 2.92 57,935
2022-06-03 ERII Option Ex 50,000 3.23 161,250
2022-06-03 ERII Sale 50,000 21.34 1,067,250
2020-11-11 ERII Sale 50,000 10.28 514,100
2016-08-15 ERII Sale 500 13.01 6,505
2016-08-11 ERII Sale 24,500 13.05 319,774
2016-08-09 ERII Sale 5,000 13.00 65,020
2016-03-10 ERII Sale 30,000 9.79 293,610
2015-03-10 ERII Buy 30,000 2.76 82,800
2015-03-11 ERII Buy 75,000 2.81 211,125
2015-03-12 ERII Buy 15,000 2.87 43,065

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Buehler Alexander J (Director of Energy Recovery, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.



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