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HDSN

NasdaqCMBasic Materials
HUDSON TECHNOLOGIES INC /NY
Latest filing · 2026-05-19 · scanner 7d behind
$5.14
+1.7%· 24h
Score
45
/ 100
Watching
4 triggers firing
C-suite buyFirst buy 12moSmall floatDays to cover
Market cap
$216.44M
Float
33.6M
80% of total
Shares out
42,068,788
Short % float
••••
Pro only
Days to cover
••••
Pro only
Price
HDSN
$5.14
$2.01 · -28.0%
3M
Insider buy · 2026-05-19 · $4.87 · Bertaux Brian J.
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Rule breakdown45 / 110 pts max
41% of maximum scoreSignalContext
Form 4 signals
Cluster buy
3+ distinct insiders with open-market buys in the last 30 days
pts
C-suite buy
CEO, CFO, Chair, or President made an open-market purchase
Bertaux Brian J. — Chief Financial Officer
+20
pts
Large single buy
One open-market purchase exceeded the dollar threshold
pts
First buy in 12 months
An insider bought for the first time in the trailing 12 months
Bertaux Brian J.
+15
pts
Net buying (90d)
Net (buys − sells) USD over the last 90 days is positive
pts
Context amplifiers
High short interest
Short interest as % of float exceeds the squeeze threshold
pts
Small float
Float is below the threshold — amplifies any accumulation signal
33.6M shares
+5
pts
High days-to-cover
DTC > threshold — shorts can't exit cleanly on a squeeze
5.0d to cover
+5
pts
Volume spike
Most-recent day's volume was >2× the 20-day average
pts
TypeDateInsiderTitleSharesPriceValue
Buy2026-05-19
Bertaux Brian J.
2,000$4.87$9.7K