• Hudson Technologies is trading 5.4% up at $6.79 in pre-market, driven by news of a major shareholder increasing its stake.
  • Hartree Partners, LP acquired 5,234 shares of the company's stock on July 8, 2026, signaling continued institutional interest.
  • The purchase, valued at $31,351, comes as the stock extends a recent rally, closing higher in five of the last six sessions.