---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-264609"
form_type: "8-K"
ticker: "CSW"
cik: "0001624794"
company_name: "CSW INDUSTRIALS, INC."
filed_at: "2025-11-04T23:59:59+00:00"
generated_at: "2026-05-17T00:38:22.535603+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# CSW completes acquisition of MARS Parts for ~$650M cash, funded with new $600M term loan

## Summary
- Base purchase price $650M cash plus up to $20M earn-out based on gross sales targets.
- Price equals 10.4x pro-forma TTM EBITDA adjusted for synergies; MARS Parts adj. TTM EBITDA $52.3M.
- Financed with new $600M 5-year Term Loan A and extended $700M revolving credit facility.
- $300M 3-year SOFR interest rate hedge implemented to mitigate floating-rate exposure.
- Adds ~200 employees; expands HVAC/R product mix toward repair/replacement versus installations.

## SEC filing metadata
- accession: 0001193125-25-264609
- form_type: 8-K
- ticker: CSW
- cik: 0001624794
- company_name: CSW INDUSTRIALS, INC.
- filed_at: 2025-11-04T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 2.01, 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1624794/000119312525264609/0001193125-25-264609-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1624794/000119312525264609/d47476d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-264609
- JSON: https://secwatch.observer/filing/0001193125-25-264609.json
- Plain text: https://secwatch.observer/filing/0001193125-25-264609.txt

## Source-grounded claims
- claim_id: 95f97a1fc578b93f2b6f636f54e797c68e98b498
  claim: CSW INDUSTRIALS, INC. completed an acquisition involving Dusk Intermediate Holdings II, LLC for $650 million in cash (closed 2025-11-04).
  evidence_excerpt: On November 4, 2025, pursuant to the terms and conditions of the Purchase Agreement, RectorSeal purchased all of the issued and outstanding shares of common stock of Dusk Acquisition Corporation, a Delaware corporation (“ Dusk ”), and its wholly owned subsidiaries, Motors & Armatures, LLC, a Delaware limited liability company, and HVAC South, LLC, a Delaware limited liability company (collectively, “ MARS Parts ”), from the Seller for a base purchase price of $650 million in cash (the “ Purchase Price ”), subject to certain customary adjustments (the “ Transaction ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1624794/000119312525264609/0001193125-25-264609-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.