---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-115922"
form_type: "8-K"
ticker: "DCTH"
cik: "0000872912"
company_name: "DELCATH SYSTEMS, INC."
filed_at: "2024-04-26T23:59:59+00:00"
generated_at: "2026-06-03T06:59:47.536475+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Delcath Systems extends melphalan supply agreement through Dec 2028; modifies pricing terms

## Summary
- Term extended to December 31, 2028; effective May 1, 2024.
- Purchase orders for melphalan HCl must be placed at least 210 days before delivery.
- Price per vial modified; annual increases tied to pharmaceutical preparation PPI.
- Agreement with Synerx Pharma, LLC and Mylan Teoranta for key drug supply.
- Fifth Amendment dated April 22, 2024, ensures long-term supply continuity.

## SEC filing metadata
- accession: 0001193125-24-115922
- form_type: 8-K
- ticker: DCTH
- cik: 0000872912
- company_name: DELCATH SYSTEMS, INC.
- filed_at: 2024-04-26T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/872912/000119312524115922/0001193125-24-115922-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/872912/000119312524115922/d711286d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-115922
- JSON: https://secwatch.observer/filing/0001193125-24-115922.json
- Plain text: https://secwatch.observer/filing/0001193125-24-115922.txt

## Key facts
- Material Agreements
  DELCATH SYSTEMS, INC. amended Fifth Amendment with Synerx Pharma, LLC and Mylan Teoranta (effective 2024-04-22).
  - Action: amendment
  - Agreement: license
  - Counterparty: Synerx Pharma, LLC and Mylan Teoranta
  - Effective: 2024-04-22
  source text: On April 22, 2024, Delcath Systems, Inc. (“Delcath”) entered into a Fifth Amendment, effective May 1, 2024 (the “Amendment”), to the License, Supply and Contract Manufacturing Agreement with Synerx Pharma, LLC and Mylan Teoranta, dated October 13, 2010 (as subsequently amended, the “Agreement”), for Delcath’s supply of melphalan hydrochloride (the “Product”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/872912/000119312524115922/0001193125-24-115922-index.htm

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