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AI brief of an SEC Form 8-K · Atmus Filtration Technologies (ATMU)

Atmus to buy Koch Filter for $450 million in cash, closing expected in Q1 2026

Neutral Impact 4 of 5 m&a Written later

Atmus Filtration Technologies agreed on November 21, 2025 to buy Koch Filter Corporation from Air Distribution Technologies for $450 million, subject to adjustments. Koch Filter generated $156 million in revenue in its fiscal year ended September 30, 2025, and the company expects the deal to add to its 2026 Adjusted EPS and Adjusted EBITDA margin.

Key points

  • Purchase price of $450 million in cash, subject to customary adjustments; the purchase price represents a 13.9x multiple of Koch Filter's Adjusted EBITDA for fiscal 2025
  • Koch Filter generated $156 million in revenue in the fiscal year ended September 30, 2025
  • Funding will come from cash on hand and borrowings under the credit facility, including a potential upsize
  • Closing is subject to HSR Act clearance and other customary conditions, expected in the first quarter of 2026; either party may terminate if not closed by March 31, 2026, subject to a 30-day extension

The filing

CompanyAtmus Filtration Technologies (ATMU)
Form8-K, current report
Filed with the SECNov 24, 2025, 7:04 AM ET
Accession number0001213900-25-113838

Items reported: 1.01 Material Definitive Agreement2.03 New Direct Financial Obligation7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:01 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 24, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.