---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-030256"
form_type: "8-K"
ticker: "MBC"
cik: "0001941365"
company_name: "MasterBrand, Inc."
filed_at: "2024-06-17T23:59:59+00:00"
generated_at: "2026-06-01T04:11:09.221473+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# MasterBrand announces $700M senior notes offering to fund Supreme acquisition

## Summary
- $700M senior notes due 2032; net proceeds plus new revolver and cash to fund Supreme acquisition and refinance existing term loan.
- Revolver upsized from $500M to $750M in amended credit facility.
- Supreme LTM Q1 2024 net sales $256.6M, adj. EBITDA $55.7M; expect $10.2M synergies within 18 months.
- Pro forma total debt $1.143B, cash $53.7M as of March 31, 2024.

## SEC filing metadata
- accession: 0001140361-24-030256
- form_type: 8-K
- ticker: MBC
- cik: 0001941365
- company_name: MasterBrand, Inc.
- filed_at: 2024-06-17T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1941365/000114036124030256/0001140361-24-030256-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1941365/000114036124030256/ef20031245_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-030256
- JSON: https://secwatch.observer/filing/0001140361-24-030256.json
- Plain text: https://secwatch.observer/filing/0001140361-24-030256.txt

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