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HDSN

HUDSON TECHNOLOGIES INC /NY

Data as of Sep 17, 2026
HDSN
CIK 925528Wholesale-Machinery, Equipment & Supplies

Lobbying

$850,000 in reported federal lobbying spend across 21 quarterly filings, most recently Jul 20, 2026. Amounts are the sums companies and their registrants report on Lobbying Disclosure Act filings; a filing that covers several issues counts its full amount under each.

Spend by issue

  • Environment/Superfund$420K7 filings
  • Budget/Appropriations +1$320K4 filings
  • Budget/Appropriations$80K1 filing
  • Defense +1$30K2 filings

Latest filings, Apr 2026 onward

FiledRegistrant and subjectAmount
Jul 20, 2026
ALCALDE & FAY for HUDSON TECHNOLOGIES
Unspecified
$0
Jul 17, 2026
SQUIRE PATTON BOGGS for HUDSON TECHNOLOGIES
Budget/Appropriations · Environment/Superfund Use of reclaimed refrigerants for servicing equipment in Federal buildings and facilities. Educate Congress/Administration on reclaimed refrigerants; advocate re: P.L.116-260, The American Innovation & Mfg. Act (AIM Act); support funding
$80,000
Jul 15, 2026
INVARIANT LLC for HUDSON TECHNOLOGIES
Environment/Superfund Educate Members of Congress and Administration officials about reclaimed refrigerants and advocate for issues related to the implementation of P.L. 116-260, the American Innovation and Manufacturing Act (AIM Act). Support funding for reclam
$60,000
Apr 20, 2026
INVARIANT LLC for HUDSON TECHNOLOGIES
Environment/Superfund Educate Members of Congress and Administration officials about reclaimed refrigerants and advocate for issues related to the implementation of P.L. 116-260, the American Innovation and Manufacturing Act (AIM Act). Support funding for reclam
$60,000
Apr 20, 2026
ALCALDE & FAY for HUDSON TECHNOLOGIES
Unspecified
$0
Apr 15, 2026
SQUIRE PATTON BOGGS for HUDSON TECHNOLOGIES
Budget/Appropriations · Environment/Superfund Use of reclaimed refrigerants for servicing equipment in Federal buildings and facilities. Educate Congress/Administration on reclaimed refrigerants; advocate re: P.L.116-260, The American Innovation & Mfg. Act (AIM Act); support funding
$80,000

Data: Quiver Quantitative, FEC, Senate Lobbying Disclosure Act filings, USAspending, congressional periodic transaction reports. Records are matched to HUDSON TECHNOLOGIES INC /NY through its SEC registration (CIK 925528) and tickers HDSN.

As of: lobbying filings through Jul 20, 2026; contract actions through Aug 18, 2026. Snapshot rebuilt Sep 17, 2026.

Holdings values are estimates from disclosed ranges. Donation coverage for a cycle begins with the first month loaded, so earlier months may still be missing.