Hudson Technologies (HDSN) 10% Owner Hartree Partners Buys 11,136 Shares

What Happened

• Hartree Partners, LP, reported as a greater-than-10% owner of Hudson Technologies (HDSN), made an open-market purchase of 11,136 shares on September 16, 2026, at $5.10 per share, for a total of about $56,794. This was a purchase (acquisition), which some investors view as a more informative action than routine sales.

Key Details

• Transaction date and price: 2026-09-16, open-market purchase at $5.10 per share.
• Total shares acquired and value: 11,136 shares; ~$56,794 total.
• Filing date: Form 4 filed on 2026-09-18 (two days after the trade) — appears timely.
• Shares owned after transaction: Not specified in the provided filing excerpt.
• Footnote: The reporting person disclaims beneficial ownership except to the extent of its pecuniary interest (standard institutional disclaimer).
• Transaction code: P = Purchase (open market or private purchase).

Context

• Hartree Partners is an institutional investor reported as a 10% owner, not an executive—institutional purchases can signal interest but do not indicate insider views of company operations. The filing contains no other notes (e.g., 10b5-1 plan, gifts, or option exercises).