InsiderTrades

BUEHLER ALEXANDER J

SEC CIK 1397838 · EDGAR

Buying vs selling by month open-market trades, last 53 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ERIIEnergy Recovery, Inc.Dir 81.7K — $1.20M 92022-06-032026-06-15
LIQTLIQTECH INTERNATIONAL INCInterim CEO, Dir 467.6K $1.00M — 52022-01-032025-01-07

Most active insiders at ERII, 12 months

#InsiderTitleBoughtSold
1 Hanstveit ArveDir —$2.95M
2 Yeung WilliamCLO —$558.8K
3 Clemente RodneySVP, Water —$274.9K
4 TONDREAU PAMELA L.Dir $166.8K—
5 BUEHLER ALEXANDER JCEO, Interim Pres, Dir —$129.8K
6 Sabol Colin RDir $99.3K—
7 Ramanan NatarajanCTO —$2,875
8 Mitchell John JosephDir ——
9 Ryan AidanInterim CFO ——
10 Hostetler MatthewCHRO ——

Transactions 14

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-06-17 16:08 2026-06-15 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J CEO, Interim Pres, Dir M - OptEx $8.60 +15.3K 81.7K +23% +$131.8K
D 2026-06-17 16:08 2026-06-15 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J CEO, Interim Pres, Dir S - Sale+OE $8.71 -14.9K 66.8K -18% -$129.8K
2025-06-06 2025-06-05 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J Dir A - Grant $0.00 +12.0K 66.3K +22% $0
2025-01-13 2025-01-07 LIQT LIQTECH INTERNATIONAL INC BUEHLER ALEXANDER J Dir A - Grant $0.00 +53.0K 467.6K +13% $0
D 2024-08-21 2024-08-19 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J Dir M - OptEx $2.92 +19.8K 54.3K +58% +$57.9K
2024-06-10 2024-06-06 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J Dir A - Grant $0.00 +11.1K 34.4K +48% $0
2024-01-08 2024-01-03 LIQT LIQTECH INTERNATIONAL INC BUEHLER ALEXANDER J Dir A - Grant $0.00 +20.9K 414.6K +5% $0
2023-06-12 2023-06-08 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J Dir A - Grant $27.00 +3,703 23.3K +19% +$100.0K
M 2023-01-31 2023-01-01+ LIQT LIQTECH INTERNATIONAL INC BUEHLER ALEXANDER J Dir A - Grant $0.00 +1.12M 2.96M +61% $0
2022-06-13 2022-06-09 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J Dir A - Grant $20.80 +4,807 19.6K +32% +$100.0K
DM 2022-06-06 2022-06-03 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J Dir M - OptEx $3.12 +50.0K 64.8K +338% +$156.0K
D 2022-06-06 2022-06-03 ERII Energy Recovery, Inc. BUEHLER ALEXANDER J Dir S - Sale+OE $21.34 -50.0K 14.8K -77% -$1.07M
2022-05-19 2022-05-17 LIQT LIQTECH INTERNATIONAL INC BUEHLER ALEXANDER J Interim CEO, Dir P - Purchase $0.5 +2.00M 2.04M +5,571% +$1.00M
2022-01-05 2022-01-03 LIQT LIQTECH INTERNATIONAL INC BUEHLER ALEXANDER J Dir A - Grant $0.00 +6,240 35.9K +21% $0

Purchase Sale Sale after option exercise All abbreviations