| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
2 companies
Eric A Prouty is Director at HDSN, with reported holdings spanning 2 companies. Eric A Prouty's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $730K at current prices.
Our model assigns Eric A Prouty a middling insider score of 55/100, based on 3 past trades. Over a 12-month horizon, both of those trades were profitable, with an average 12-month return of +4.7%.
Eric A Prouty's largest disclosed position is in HDSN as Director, worth about $698K. The HDSN filings lean toward selling, a net 70,000 shares.
Eric A Prouty has 33 Form 4 filings on record from September 2015 to June 2026, across 2 companies: Director at Hudson Technologies (HDSN), 2015–2026; Director at Aqua Metals (AQMS), 2018–2019.
The 44 reported transactions were 13 option or other derivative awards, 10 stock awards, 7 open-market purchases and 6 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 7 purchases worth about $86K and 2 sales worth about $866K.
The largest open-market purchase was 5,000 shares of HDSN at an average $4.84 on May 13, 2026, about $24K.
The largest open-market sale was 75,000 shares of HDSN at an average $9.00 on May 9, 2022, about $675K. Twelve months later HDSN was down 7%.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 | HDSN Hudson Technologies, Inc. | Director | Buy | 5,000 | $4.84 | $24,200.00 | +3.4% | +12.4% | - | |
| Jun 14, 2023 | HDSN Hudson Technologies Inc /ny | Director | Sell | 20,000 | $9.56 | $191,200.00 | -12.3% | +31.2% | -2.0% | |
| May 9, 2022 | HDSN Hudson Technologies Inc /ny | Director | Sell | 75,000 | $9.00 | $675,000.00 | -37.8% | +4.9% | -7.3% | |
| May 8, 2019 | HDSN Hudson Technologies Inc /ny | Director | Buy | 5,000 | $1.89 | $9,450.00 | +6.6% | - | - | |
| Jan 17, 2019 | AQMS Aqua Metals, Inc. | Director | Buy | 5,000 | $1.90 | $9,500.00 | +24.2% | - | - | |
| Dec 12, 2018 | HDSN Hudson Technologies Inc /ny | Director | Buy | 5,000 | $1.64 | $8,200.00 | +7.1% | - | - | |
| Aug 15, 2018 | HDSN Hudson Technologies Inc /ny | Director | Buy | 5,000 | $1.81 | $9,050.00 | +7.6% | - | - | |
| Jun 18, 2018 | AQMS Aqua Metals, Inc. | Director | Buy | 5,000 | $2.85 | $14,250.00 | New | - | - | |
| May 24, 2018 | HDSN Hudson Technologies Inc /ny | Director | Buy | 5,000 | $2.33 | $11,650.00 | +10.1% | - | - |