---
schema_version: "secwatch.filing_event.v1"
accession: "0000089439-26-000012"
form_type: "8-K"
ticker: "MLI"
cik: "0000089439"
company_name: "MUELLER INDUSTRIES INC"
filed_at: "2026-03-30T23:59:59+00:00"
generated_at: "2026-05-15T08:30:07.859020+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Mueller Industries enters new $100M unsecured revolving credit facility through 2031

## Summary
- $100M unsecured revolving credit facility matures March 27, 2031, replacing 2021 credit agreement.
- Sublimits: $50M letters of credit, $35M foreign currency loans, $25M swing line.
- Interest rate margins range 112.5-162.5 bps over Benchmark; fees 15-30 bps on unused commitments.
- Financial covenants include minimum ratios; obligations guaranteed by domestic subsidiaries.

## SEC filing metadata
- accession: 0000089439-26-000012
- form_type: 8-K
- ticker: MLI
- cik: 0000089439
- company_name: MUELLER INDUSTRIES INC
- filed_at: 2026-03-30T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/89439/000008943926000012/0000089439-26-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/89439/000008943926000012/mli-20260327.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000089439-26-000012
- JSON: https://secwatch.observer/filing/0000089439-26-000012.json
- Plain text: https://secwatch.observer/filing/0000089439-26-000012.txt

## Source-grounded claims
- claim_id: 37094cd16809856a71b8a46f8a97df1937a07c8d
  claim: MUELLER INDUSTRIES INC incurred revolving credit of $100 million with Bank of America, N.A. at Benchmark Rate plus applicable margin of 112.5 to 162.5 basis points per annum o maturing March 27, 2031.
  evidence_excerpt: Bank of America) parties thereto, dated as of March 31, 2021 (as amended, restated and/or supplemented from time to time). The Credit Agreement provides for an unsecured $100 million revolving credit facility, which matures March 27, 2031 . Funds borrowed under the Credit Agreement may be used by the Company for working capital purposes and other general
  evidence_url: https://www.sec.gov/Archives/edgar/data/89439/000008943926000012/0000089439-26-000012-index.htm
- claim_id: 3ef71aecd7a9f28c069adbad43b3da90efa36e55
  claim: MUELLER INDUSTRIES INC entered into Credit Agreement with Bank of America, N.A. (as administrative agent, lender, swing line lender and letter of credit issuer) valued at $100 million (effective 2026-03-27).
  evidence_excerpt: On March 27, 2026, Mueller Industries, Inc. (the “Company”) entered into a Credit Agreement (the “Credit Agreement”) among the Company (as borrower) and Bank of America, N.A. (“Bank of America”) (as administrative agent, lender, swing line lender and letter of credit issuer).
  evidence_url: https://www.sec.gov/Archives/edgar/data/89439/000008943926000012/0000089439-26-000012-index.htm

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