---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-198063"
form_type: "8-K"
ticker: null
cik: "0001916099"
company_name: "Diameter Credit Co"
filed_at: "2026-05-01T23:59:59+00:00"
generated_at: "2026-05-15T00:22:45.585760+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Diameter Credit amends credit facility: size cut to $500M, maturity extended to 2031

## Summary
- Maximum facility amount reduced from $650M to $500M; accordion provision cut from $800M to $600M.
- Reinvestment period extended from Jan 2027 to Jan 2029; maturity date pushed from Jan 2029 to Jan 2031.
- Amendment No. 5 to Credit and Security Agreement executed on April 24, 2026.
- Conditions precedent include legal opinion, resolutions, and payment of fees.

## SEC filing metadata
- accession: 0001193125-26-198063
- form_type: 8-K
- cik: 0001916099
- company_name: Diameter Credit Co
- filed_at: 2026-05-01T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1916099/000119312526198063/0001193125-26-198063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1916099/000119312526198063/ck0001916099-20260424.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-198063
- JSON: https://secwatch.observer/filing/0001193125-26-198063.json
- Plain text: https://secwatch.observer/filing/0001193125-26-198063.txt

## Source-grounded claims
- claim_id: c3d262471796499b37cba99ba77ecf0595584d3d
  claim: Diameter Credit Co amended Amendment No. 5 to Credit and Security Agreement with DCC Holdings, Citibank, N.A., Siepe, LLC, and the lenders party thereto valued at $500,000,000 (effective 2026-04-24).
  evidence_excerpt: On April 24, 2026, Diameter Credit Company Holdings LLC (“ DCC Holdings ”), a wholly owned subsidiary of Diameter Credit Company, a Delaware statutory trust (the “ Company ”), entered into Amendment No. 5 (“ Amendment No. 5 ”) to its Credit and Security Agreement (as amended, restated or otherwise modified from time to time, including pursuant to the Amendment No. 1 to Credit and Security Agreement, dated as of May 22, 2024, the Amendment No. 2 to Credit and Security Agreement, dated as of January 14, 2025, the Amendment No. 3 to Credit and Security Agreement, dated as of August 1, 2025, the Amendment No. 4 to Credit and Security Agreement, dated as of December 12, 2025 and as further amended by Amendment No. 5, the “ Secured Credit Facility ”), dated as of January 10, 2024, by and among DCC Holdings, as borrower, the Company, in its capacity as collateral manager and in its capacity as equity holder, the lenders from time to time parties thereto, Citibank, N.A., as administrative agen
  evidence_url: https://www.sec.gov/Archives/edgar/data/1916099/000119312526198063/0001193125-26-198063-index.htm

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