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Insider · CIK 0001823076

Alan Sheriff

director

Files at HDSN (HUDSON TECHNOLOGIES INC /NY). First filing May 15, 2026, latest May 15, 2026.

In brief

Alan Sheriff files SEC Form 4 as director at HDSN (HUDSON TECHNOLOGIES INC /NY). Since May 15, 2026, Alan Sheriff has reported 1 open-market buy worth $25k and 0 open-market sells worth $0, the latest filed on May 15, 2026.

A track record needs three past buys with six months of prices behind them; Alan Sheriff has 0, so none is measured yet.

The newest scored trade: bought $25k of HDSN on May 13, 2026, filed May 15, 2026, scored 63 (notable). In the last 12 months: 1 buy worth $25k and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$25k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

HDSN: HUDSON TECHNOLOGIES INC /NY

HDSNOct 9, 2026 · close 5.14

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
63Notable
HDSNbuy 8
HUDSON TECHNOLOGIES INC /NY
$25k
5,200 shares
+128%0% from low-53% from high

Transactions

Every row this insider has filed, 4 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 17, 2026HDSN
HUDSON TECHNOLOGIES INC /NY
AGrant or award
Common Stock
+3,219$0.00$012,484Jun 22, 2026
Jun 17, 2026HDSN
HUDSON TECHNOLOGIES INC /NY
AGrant or award
Stock Optionsderivative
+15,360$0.00$015,360Jun 22, 2026
May 13, 2026HDSN
HUDSON TECHNOLOGIES INC /NY
POpen-market purchase
Common Stock
+5,200$4.88$25k9,265May 15, 2026
Apr 10, 2026HDSN
HUDSON TECHNOLOGIES INC /NY
AGrant or award
Common Stock
+4,065$0.00$04,065Apr 14, 2026

Questions about Alan Sheriff

Answered from the filings on this page, as of the latest one.

Is Alan Sheriff buying or selling?

In the last 12 months Alan Sheriff reported 1 open-market buy worth $25k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $25k of HDSN on May 13, 2026. Grants, option exercises and tax withholding are not counted.

How did Alan Sheriff's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Alan Sheriff has 0.

Where does Alan Sheriff file Form 4?

Alan Sheriff has filed Form 4 at HDSN (HUDSON TECHNOLOGIES INC /NY). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Alan Sheriff: insider trades and track record | InsiderTell