---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-046957"
form_type: "8-K"
ticker: "RMTI"
cik: "0001041024"
company_name: "ROCKWELL MEDICAL, INC."
filed_at: "2025-05-12T23:59:59+00:00"
generated_at: "2026-05-21T22:43:36.301837+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Rockwell Medical Q1 net sales $18.9M (-17% YoY); net loss improves to $1.5M

## Summary
- Net sales fell 17% to $18.9M, driven by largest customer transitioning to another supplier.
- Received a one-time non-refundable payment of $0.9M from that customer to ensure supply continuity.
- Net loss improved 12% to $1.5M ($0.04 loss per share) vs $1.7M in Q1 2024.
- Adjusted EBITDA was -$0.4M; cash and investments $17.3M, down $4.3M from year-end 2024.
- Reaffirmed 2025 guidance: net sales $65M-$70M, gross margin 16%-18%, adjusted EBITDA -$0.5M to $0.5M.

## SEC filing metadata
- accession: 0001104659-25-046957
- form_type: 8-K
- ticker: RMTI
- cik: 0001041024
- company_name: ROCKWELL MEDICAL, INC.
- filed_at: 2025-05-12T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1041024/000110465925046957/0001104659-25-046957-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1041024/000110465925046957/tm2514651d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-046957
- JSON: https://secwatch.observer/filing/0001104659-25-046957.json
- Plain text: https://secwatch.observer/filing/0001104659-25-046957.txt

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