MarketPeel
Insider Trading Intelligence
AB

Alexander J. Buehler

LIQT
INTERIM CEO · LIQTECH INTERNATIONAL INC · CIK 0001397838
FILING MIX · LIFETIME68%/32%
BUYS
17
SELLS
8
TOTAL VALUE
$3.70M
COMPANIES
2
ACTIVE SINCE
Jul 2020
HOLDINGS NOW
534,378
AVG SELL PX
$10.28
TRADE KIND
SHOWING 25 / 25
Trades · vs SPY
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Performance · forward returns vs SPY
3 backtested trades · 8 horizonsHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Alexander J. Buehler, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d3+66.67%+0.31%-2.90%+3.21%+0.30%
14d3+66.67%+0.42%-2.56%+2.98%+3.28%
30d3+33.33%-3.04%-4.75%+1.70%-4.16%
60d3+0.00%+14.27%+0.40%+13.88%+3.90%
90d3+0.00%+13.61%+4.12%+9.49%+10.31%
180d3+0.00%+21.59%+5.26%+16.32%+8.22%
1y3+0.00%+38.11%+13.76%+24.35%+12.23%
2y3+33.33%+8.35%+27.08%-18.74%-69.67%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
LIQT · 467,623 shares · as of Jan 7, 2025
0788,8611,577,7232,366,5843,155,4452022202320242025SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 17 buys / 8 sellsCOVERAGE · 24 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ERII
ENERGY RECOVERY, INC.
SALE
Interim President and CEO
14,900$8.71$129.8K66,755Jun 15, 2026Jun 17, 2026View →
ERII
ENERGY RECOVERY, INC.
SALE
Interim President and CEO
15,327$8.60$131.8K0Jun 15, 2026Jun 17, 2026View →
ERII
ENERGY RECOVERY, INC.
PURCHASE
Interim President and CEO
15,327$8.60$131.8K81,655Jun 15, 2026Jun 17, 2026View →
ERII
ENERGY RECOVERY, INC.
PURCHASEGRANT
Stock grant
12,03866,328Jun 5, 2025Jun 6, 2025View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASEGRANT
Stock grant
53,030467,623Jan 7, 2025Jan 10, 2025View →
ERII
ENERGY RECOVERY, INC.
SALE
19,841$2.92$57.9K0Aug 19, 2024Aug 21, 2024View →
ERII
ENERGY RECOVERY, INC.
PURCHASE
19,841$2.92$57.9K54,290Aug 19, 2024Aug 21, 2024View →
ERII
ENERGY RECOVERY, INC.
PURCHASEGRANT
Stock grant
11,12734,449Jun 6, 2024Jun 10, 2024View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASEGRANT
Stock grant
20,940414,593Jan 3, 2024Jan 8, 2024View →
ERII
ENERGY RECOVERY, INC.
PURCHASEGRANT
Stock grant
3,703$27.00$100.0K23,322Jun 8, 2023Jun 12, 2023View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASEGRANT
Stock grant
98,0003,155,445Jan 3, 2023Jan 31, 2023View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASEGRANT
Stock grant
97,4563,057,445Jan 1, 2023Jan 31, 2023View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASEGRANT
Stock grant
924,0892,959,989Jan 1, 2023Jan 31, 2023View →
ERII
ENERGY RECOVERY, INC.
PURCHASEGRANT
Stock grant
4,807$20.80$100.0K19,619Jun 9, 2022Jun 13, 2022View →
ERII
ENERGY RECOVERY, INC.
PURCHASE
16,449$3.53$58.1K31,261Jun 3, 2022Jun 6, 2022View →
ERII
ENERGY RECOVERY, INC.
SALE
50,000$21.34$1.07M14,812Jun 3, 2022Jun 6, 2022View →
ERII
ENERGY RECOVERY, INC.
SALE
33,551$2.92$98.0K19,841Jun 3, 2022Jun 6, 2022View →
ERII
ENERGY RECOVERY, INC.
PURCHASE
33,551$2.92$98.0K64,812Jun 3, 2022Jun 6, 2022View →
ERII
ENERGY RECOVERY, INC.
SALE
16,449$3.53$58.1K0Jun 3, 2022Jun 6, 2022View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASE
Interim CEO
2,000,000$0.50$1.00M2,035,900May 17, 2022May 19, 2022View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASEGRANT
Stock grant
6,24035,900Jan 3, 2022Jan 5, 2022View →
ERII
ENERGY RECOVERY, INC.
PURCHASEGRANT
Stock grant
4,812$20.78$100.0K14,812Jun 10, 2021Jun 10, 2021View →
LIQT
LIQTECH INTERNATIONAL INC
PURCHASEGRANT
Stock grant
4,66029,660Jan 6, 2021Jan 14, 2021View →
ERII
ENERGY RECOVERY, INC.
SALE
50,000$10.28$514.1K10,000Nov 11, 2020Nov 13, 2020View →
ERII
ENERGY RECOVERY, INC.
SALEGRANT
Stock grant
18,66918,669Jul 16, 2020Jul 20, 2020View →
Other insiders · LIQT
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About this filer
CIK 0001397838
ROLE
Interim CEO
PRIMARY
LIQT
COMPANIES
2
ACTIVE SINCE
Jul 2020
MARKETPEEL · /INSIDER/0001397838DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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