HDSN Insider Trading Activity and SEC Form 4 Filings
HDSN insider trading summary
Over the past 12 months, insiders at Hudson Technologies Inc (HDSN) reported 30 open-market purchases worth $7.8M by 10 insiders and 1 sale worth $3.6M by 1 insider on SEC Form 4. Net insider buying was $4.2M.
Latest HDSN insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Nov 2, 2026 | Hartree Partners, LP | 10% Owner | Buy | $175K (41,290 @ $4.25) |
| Oct 30, 2026 | Hartree Partners, LP | 10% Owner | Buy | $250K (58,710 @ $4.25) |
| Oct 29, 2026 | Hartree Partners, LP | 10% Owner | Buy | $889K (200,000 @ $4.44) |
| Sep 24, 2026 | Hartree Partners, LP | 10% Owner | Buy | $604K (118,549 @ $5.10) |
| Sep 23, 2026 | Hartree Partners, LP | 10% Owner | Buy | $56K (11,013 @ $5.10) |
| Sep 21, 2026 | Hartree Partners, LP | 10% Owner | Buy | $13K (2,502 @ $5.10) |
| Sep 16, 2026 | Hartree Partners, LP | 10% Owner | Buy | $57K (11,136 @ $5.10) |
| Sep 2, 2026 | Hartree Partners, LP | 10% Owner | Buy | $27K (5,317 @ $5.10) |
| Aug 25, 2026 | Hartree Partners, LP | 10% Owner | Buy | $501K (91,166 @ $5.50) |
| Aug 24, 2026 | Hartree Partners, LP | 10% Owner | Buy | $52K (9,446 @ $5.50) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.