Hudson Technologies (HDSN) insider buying
6 open-market purchases of HDSN by Hudson Technologies's executives and directors since November 2025, worth $781,045 in total, from SEC Form 4 filings.
The most recent: Hartree Partners, Lp, Major Shareholder bought $604,446 on September 24, 2026.
The biggest buyer over the period is Hartree Partners, Lp (Major Shareholder): 5 purchases, $757,280.
By year
| Year | Purchases | Value |
|---|---|---|
| 2026 | 5 | $757,280 |
| 2025 | 1 | $23,765 |
Biggest buyers
| Insider | Buys | Value |
|---|---|---|
| Hartree Partners, Lp Major Shareholder | 5 | $757,280 |
| Vincent P Abbatecola | 1 | $23,765 |
Every purchase
Newest first. From SEC Form 4 filings. Insider buying across the market.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Sep 24, 2026 | Hartree Partners, Lp Major Shareholder |
118,549 | $5.10 | $604,446 | Form 4 |
| Sep 23, 2026 | Hartree Partners, Lp Major Shareholder |
11,013 | $5.10 | $56,166 | Form 4 |
| Sep 21, 2026 | Hartree Partners, Lp Major Shareholder |
2,502 | $5.10 | $12,757 | Form 4 |
| Sep 16, 2026 | Hartree Partners, Lp Major Shareholder |
11,136 | $5.10 | $56,794 | Form 4 |
| Sep 2, 2026 | Hartree Partners, Lp Major Shareholder |
5,317 | $5.10 | $27,117 | Form 4 |
| Nov 17, 2025 | Vincent P Abbatecola |
3,500 | $6.79 | $23,765 | Form 4 |
Questions
Are Hudson Technologies insiders buying the stock?
6 open-market purchases of HDSN by Hudson Technologies's executives and directors since November 2025, worth $781,045 in total, from SEC Form 4 filings. The most recent: Hartree Partners, Lp, Major Shareholder bought $604,446 on September 24, 2026.
What counts as insider buying here?
Open-market purchases (Form 4 code P) by officers and directors. Option exercises, grants and purchases by 10% owners are left out.
From Hudson Technologies's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.