LYTIR

Insider · SEC Form 4 · 10% Owner

Hartree Partners, LP

In the 12 months to Nov 8, 2026, on the open market: bought $7.9M of HDSN. Filed a median of 2 business days after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $7.9M in total; Insider sales: $0 in total.Jun: Insider purchases $1.2MJul: Insider purchases $4.1MAug: Insider purchases $582KSep: Insider purchases $757KOct: Insider purchases $1.1MNov: Insider purchases $175KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $7.9MInsider sales below: $0
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. HDSNBought: HUDSON TECHNOLOGIES INC /NY Nov 2, 2026 41,290 shares filed Nov 2, 2026 5,648,517 shares held directly after, as filed filing $175K
  2. HDSNBought: HUDSON TECHNOLOGIES INC /NY Oct 30, 2026 58,710 shares filed Nov 2, 2026 5,607,227 shares held directly after, as filed filing $250K
  3. HDSNBought: HUDSON TECHNOLOGIES INC /NY Oct 29, 2026 200,000 shares filed Nov 2, 2026 5,548,517 shares held directly after, as filed filing $889K
  4. HDSNBought: HUDSON TECHNOLOGIES INC /NY Sep 24, 2026 118,549 shares filed Sep 28, 2026 5,348,517 shares held directly after, as filed filing $604K
  5. HDSNBought: HUDSON TECHNOLOGIES INC /NY Sep 23, 2026 11,013 shares filed Sep 23, 2026 5,229,968 shares held directly after, as filed filing $56K
  6. HDSNBought: HUDSON TECHNOLOGIES INC /NY Sep 21, 2026 2,502 shares filed Sep 23, 2026 5,218,955 shares held directly after, as filed filing $13K
  7. HDSNBought: HUDSON TECHNOLOGIES INC /NY Sep 16, 2026 11,136 shares filed Sep 18, 2026 5,216,453 shares held directly after, as filed filing $57K
  8. HDSNBought: HUDSON TECHNOLOGIES INC /NY Sep 2, 2026 5,317 shares filed Sep 4, 2026 5,205,317 shares held directly after, as filed filing $27K
  9. HDSNBought: HUDSON TECHNOLOGIES INC /NY Aug 25, 2026 91,166 shares filed Aug 26, 2026 5,200,000 shares held directly after, as filed filing $501K
  10. HDSNBought: HUDSON TECHNOLOGIES INC /NY Aug 24, 2026 9,446 shares filed Aug 26, 2026 5,108,834 shares held directly after, as filed filing $52K
  11. HDSNBought: HUDSON TECHNOLOGIES INC /NY Aug 12, 2026 5,198 shares filed Aug 14, 2026 5,099,388 shares held directly after, as filed filing $29K
  12. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jul 29, 2026 52,104 shares filed Jul 31, 2026 5,094,190 shares held directly after, as filed filing $312K
  13. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jul 21, 2026 47,708 shares filed Jul 22, 2026 5,042,086 shares held directly after, as filed filing $286K
  14. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jul 20, 2026 17,842 shares filed Jul 22, 2026 4,994,378 shares held directly after, as filed filing $107K
  15. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jul 7, 2026 600 shares filed Jul 8, 2026 4,976,536 shares held directly after, as filed filing $4K
  16. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jul 6, 2026 4,634 shares filed Jul 8, 2026 4,975,936 shares held directly after, as filed filing $28K
  17. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jul 2, 2026 271,302 shares filed Jul 2, 2026 4,971,302 shares held directly after, as filed filing $1.6M
  18. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jul 1, 2026 288,111 shares filed Jul 2, 2026 4,700,000 shares held directly after, as filed filing $1.7M
  19. HDSNBought: HUDSON TECHNOLOGIES INC /NY Jun 30, 2026 204,789 shares filed Jul 2, 2026 4,411,889 shares held directly after, as filed filing $1.2M

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.