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acquisitionAnnounced · Jan 8, 2026HVAC & Indoor Air QualitySource · CredibleArticle · Factual

Koch Filter · Atmus

Atmus acquires Koch Filter

David Najork · Founding Software Engineer

Announced Jan 8, 2026 · Updated Apr 29, 2026 · 1 min read

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Deal value

$450M

Target

Koch Filter

Louisville, Kentucky

Acquirer

Atmus

Full Acquisition

Status

Announced

Atmus agreed to acquire Koch Filter. Reported deal value: $450M. Status: Announced. Sector: HVAC & Indoor Air Quality. Target headquarters context: Louisville, Kentucky, United States.

This page summarizes publicly available information about the transaction as of 2026-01-08. Figures and status may change as filings and press coverage update.

HVAC & Indoor Air Quality Atmus completes US$ 450mn acquisition of Koch Filter News Atmus Filtration Technologies has completed its acquisition of Koch Filter Corporation , strengthening its position in industrial air filtration and expanding into several high-growth end markets

Deal timeline

Announced

Jan 8, 2026 · filtsep.com

Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.

Sector context

This transaction is classified in HVAC & Indoor Air Quality with a reported deal value of $450M. Figures and status may change as sources update.

Sources: filtsep.com · Primary article · FireStrike proprietary index