---
schema_version: "secwatch.filing_event.v1"
accession: "0000927653-26-000053"
form_type: "8-K"
ticker: "MCK"
cik: "0000927653"
company_name: "MCKESSON CORP"
filed_at: "2026-04-28T23:59:59+00:00"
generated_at: "2026-05-15T03:37:45.452024+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# McKesson enters $5B revolving credit facility maturing April 2031

## Summary
- New $5.0B revolving credit facility replaces $1.0B 364-day and $4.0B five-year facilities.
- Facility matures April 2031; includes $4.5B sublimit for CAD, GBP, EUR borrowings.
- No borrowings outstanding at termination of prior facilities; total leverage covenant ≤4.25x (step-up to 4.75x for $500M+ acquisitions).
- Interest rate based on ratings grid: SOFR loans 0.625% to 1.25% margin, base rate loans 0% to 0.25%.
- Existing facilities terminated on April 24, 2026 upon effectiveness of new credit agreement.

## SEC filing metadata
- accession: 0000927653-26-000053
- form_type: 8-K
- ticker: MCK
- cik: 0000927653
- company_name: MCKESSON CORP
- filed_at: 2026-04-28T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/927653/000092765326000053/0000927653-26-000053-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/927653/000092765326000053/mck-20260428.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000927653-26-000053
- JSON: https://secwatch.observer/filing/0000927653-26-000053.json
- Plain text: https://secwatch.observer/filing/0000927653-26-000053.txt

## Source-grounded claims
- claim_id: e053d22d4a22994652a742ec61e3fe0362c060fb
  claim: MCKESSON CORP terminated Existing 364-Day Credit Facility (effective 2026-04-24).
  evidence_excerpt: The Existing 364-Day Credit Facility was scheduled to mature in May 2026 and provided a revolving line of credit of up to $1.0 billion.
  evidence_url: https://www.sec.gov/Archives/edgar/data/927653/000092765326000053/0000927653-26-000053-index.htm
- claim_id: e7d39b9e724100a31f11290451da38e3f7c3534b
  claim: MCKESSON CORP terminated Existing Credit Facility (effective 2026-04-24).
  evidence_excerpt: The Existing Credit Facility was scheduled to mature in November 2029 and provided a revolving line of credit available of up to $4.0 billion
  evidence_url: https://www.sec.gov/Archives/edgar/data/927653/000092765326000053/0000927653-26-000053-index.htm
- claim_id: fa8702c09a2929192d1b6c0c14a29392060e13a3
  claim: MCKESSON CORP entered into Credit Agreement with Bank of America, N.A. valued at $5.0 billion (effective 2026-04-24).
  evidence_excerpt: On April 24, 2026, McKesson Corporation ("McKesson" or the "Company") entered into a Credit Agreement (the "New Revolving Credit Facility") among the Company, as borrower, the lenders party thereto, Bank of America, N.A., as administrative agent, and the other parties thereto.
  evidence_url: https://www.sec.gov/Archives/edgar/data/927653/000092765326000053/0000927653-26-000053-index.htm

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