HDSN
Hudson Technologies Inc /Ny
Hudson Technologies Inc /Ny insider trading
Insiders at Hudson Technologies Inc /Ny have been buying its stock on the open market. The largest purchase in the last 30 days was Hartree Partners, LP (10% Owner) buying $56.8K of HDSN, filed Sep 18, 2026. Every open-market purchase and sale its officers, directors and 10% owners filed in that time is listed below, each linked to the original Form 4.
- Bought on the open market
- $56.8K
- Sold
- —
- Insiders
- 1
- Latest trade
- Sep 16, 2026
From SEC filings · last 30 days
Recent HDSN insider transactions
Hartree Partners, LP10% Owner
Bought 11,136 sh at $5.10 · Sep 16, 2026
$56.8K
Filing
SEC Form 4 data, Q3 2024 to Q2 2026
HDSN insider trading by quarter
Between Jul 01, 2024 and Jun 30, 2026, 10 insiders traded HDSN on the open market: 13 purchases worth $248.2K and 1 sale worth $3.6M. In the last four quarters alone: 12 purchases ($233.3K) and 1 sale ($3.6M), by 10 insiders.
| Quarter | Bought | Sold | Insiders |
|---|---|---|---|
| Q2 2026 | +$209.5K11 buys | — | |
| Q1 2026 | — | — | |
| Q4 2025 | +$23.8K1 buy | −$3.6M1 sale | |
| Q3 2025 | — | — | |
| Q2 2025 | — | — | |
| Q1 2025 | — | — | |
| Q4 2024 | +$15K1 buy | — | |
| Q3 2024 | — | — |
- Largest purchase
- +$48.3K of HDSN by Parrillo Richard (Director) on May 13, 2026.
- Largest sale
- −$3.6M of HDSN by Coleman Brian F (Former Director) on Dec 05, 2025.
Open-market transactions through Jun 30, 2026most recent first
Bertaux Brian J.
Chief Financial Officer
+$9.7K
May 19, 2026
2,000 sh · $4.87
Feeler Jeffrey R
Director
+$25.1K
May 14, 2026
5,100 sh · $4.92
Mansy Loan Nguyen
Director
+$17.9K
May 14, 2026
3,600 sh · $4.96
Parrillo Richard
Director
+$17.9K
May 14, 2026
3,600 sh · $4.96
Mansy Loan Nguyen
Director
+$7K
May 14, 2026
1,400 sh · $4.97
Parrillo Richard
Director
+$7K
May 14, 2026
1,400 sh · $4.97
Bulgarino Nicole E
Director
+$2.7K
May 14, 2026
550 sh · $4.85
Parrillo Richard
Director
+$48.3K
May 13, 2026
10,000 sh · $4.83
Sheriff Alan
Director
+$25.4K
May 13, 2026
5,200 sh · $4.88
Gaglione Kenneth
President and CEO · Director
+$24.5K
May 13, 2026
5,000 sh · $4.90
Prouty Eric A
Director
+$24.2K
May 13, 2026
5,000 sh · $4.84
Coleman Brian F
Former Director
−$3.6M
Dec 05, 2025
484,616 sh · $7.40
Abbatecola Vincent P
Director
+$23.8K
Nov 17, 2025
3,500 sh · $6.79
Abbatecola Vincent P
Director
+$15K
Nov 07, 2024
2,500 sh · $5.98
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| May 19, 2026 | Bertaux Brian J.Chief Financial Officer | 2,000 | $4.87 | +$9.7K |
| May 14, 2026 | Feeler Jeffrey RDirector | 5,100 | $4.92 | +$25.1K |
| May 14, 2026 | Mansy Loan NguyenDirector | 3,600 | $4.96 | +$17.9K |
| May 14, 2026 | Parrillo RichardDirector | 3,600 | $4.96 | +$17.9K |
| May 14, 2026 | Mansy Loan NguyenDirector | 1,400 | $4.97 | +$7K |
| May 14, 2026 | Parrillo RichardDirector | 1,400 | $4.97 | +$7K |
| May 14, 2026 | Bulgarino Nicole EDirector | 550 | $4.85 | +$2.7K |
| May 13, 2026 | Parrillo RichardDirector | 10,000 | $4.83 | +$48.3K |
| May 13, 2026 | Sheriff AlanDirector | 5,200 | $4.88 | +$25.4K |
| May 13, 2026 | Gaglione KennethPresident and CEO · Director | 5,000 | $4.90 | +$24.5K |
| May 13, 2026 | Prouty Eric ADirector | 5,000 | $4.84 | +$24.2K |
| Dec 05, 2025 | Coleman Brian FFormer Director | 484,616 | $7.40 | −$3.6M |
| Nov 17, 2025 | Abbatecola Vincent PDirector | 3,500 | $6.79 | +$23.8K |
| Nov 07, 2024 | Abbatecola Vincent PDirector | 2,500 | $5.98 | +$15K |
From SEC's quarterly Form 3, 4 and 5 data sets: code P purchases and code S sales of common stock, by the date the trade happened. Where a fund and the people who control it each report the same block, it is counted once. Trades made in the last days of Q2 2026 but filed after it closed arrive with SEC's next quarterly release.
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Questions
- Are HDSN insiders buying or selling?
- Between Sep 16, 2026 and Sep 16, 2026, 1 Hudson Technologies Inc /Ny insider made 1 open-market purchase worth $56.8K and no sales, a net purchase of $56.8K.
- How much HDSN stock have insiders bought and sold in the last two years?
- Between Jul 01, 2024 and Jun 30, 2026, 10 Hudson Technologies Inc /Ny insiders made 13 open-market purchases worth $248.2K and 1 sale worth $3.6M. In the four quarters to Jun 30, 2026: 12 purchases ($233.3K) and 1 sale ($3.6M). The largest purchase was Parrillo Richard buying $48.3K on May 13, 2026. The largest sale was Coleman Brian F selling $3.6M on Dec 05, 2025.
- What was the largest recent HDSN insider trade?
- Hartree Partners, LP (10% Owner) bought $56.8K of HDSN stock on Sep 16, 2026 at about $5.10 a share.
- When did an insider last buy HDSN shares?
- The most recent open-market purchase on file is Hartree Partners, LP (10% Owner) buying $56.8K on Sep 16, 2026.
- Where does HDSN insider trading data come from?
- From the Form 4 filings Hudson Technologies Inc /Ny's officers, directors and 10% owners must send the SEC within two business days of a trade. Each row on this page links to its original filing on SEC EDGAR. Share grants and option exercises are kept apart from open-market purchases and sales, because only the latter cost the insider their own money.
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