HUDSON TECHNOLOGIES INC /NY (HDSN) insider buying and selling
There were no open-market insider purchases or sales at HUDSON TECHNOLOGIES INC /NY (HDSN) in the last 90 days. Over the last 12 months, 8 insiders bought $161K of the stock, led by Alan Sheriff (Director), who bought $25K on May 13, 2026.
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Unlock HDSNRecent open-market insider trades
Trades by the same insider within a week are shown as one line.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Brian J. Bertaux CFO | Open market purchase | 2,000 | $4.87 | $10K | |
| Jeffrey R Feeler Director | Open market purchase | 5,100 | $4.92 | $25K | |
| Richard Parrillo Director | Open market purchase 2 trades | 5,000 | avg. $4.96 | $25K | |
| Loan Nguyen Mansy Director | Open market purchase 2 trades | 5,000 | avg. $4.96 | $25K | |
| Nicole E Bulgarino Director | Open market purchase | 550 | $4.84 | $3K | |
| Alan Sheriff Director | Open market purchase | 5,200 | $4.88 | $25K | |
| Kenneth Gaglione CEO | Open market purchase | 5,000 | $4.89 | $24K | |
| Eric A Prouty Director | Open market purchase | 5,000 | $4.84 | $24K |
What the HDSN insider trades really mean
The table above is the public summary. With an Insider Intel account you get the analysis behind it, for HUDSON TECHNOLOGIES INC /NY and every other stock we track:
HDSN's AI Signal score
One score from six weighted factors, with the full breakdown behind it, so you can see whether the buying is a real signal.
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See each HDSN insider purchase and sale plotted on the chart, with the gain or loss on every one since.
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Questions about HDSN insider trading
Who bought HUDSON TECHNOLOGIES INC /NY (HDSN) stock recently?
Insiders who bought HUDSON TECHNOLOGIES INC /NY stock on the open market in the last 12 months: Alan Sheriff ($25K), Jeffrey R Feeler ($25K), Richard Parrillo ($25K), Loan Nguyen Mansy ($25K). The most recent purchase was reported on May 19, 2026.
Are insiders buying or selling HDSN?
Over the last 12 months insiders were net buyers of HDSN on discretionary trades: $161K bought against $0 sold (scheduled and tax-related sales excluded).
What is a sell-to-cover or 10b5-1 sale?
A 10b5-1 sale is scheduled in advance under a pre-arranged plan, and a sell-to-cover sale is made to pay tax on vesting shares. Neither is a fresh decision to sell, so they say less about an insider's view than a discretionary sale.
Where does this data come from?
Officers, directors and large shareholders report their trades to the SEC on Form 4. This page lists the open-market purchases and sales by individual insiders from those public filings; funds and other institutions are not shown.
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How to read this page
Officers, directors and large shareholders must report their trades in company shares to the SEC on Form 4. This page lists open-market purchases and sales by individual insiders: trades made on the stock exchange at the going price. Funds and other institutions are not shown here.
Information from SEC EDGAR Form 4 filings, shown for general information only. It is not financial advice and does not recommend buying or selling any security. Trades are shown by transaction date and may be reported up to two business days later.