---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-22-012079"
form_type: "8-K"
ticker: "NEPH"
cik: "0001196298"
company_name: "NEPHROS INC"
filed_at: "2022-05-04T23:59:59+00:00"
generated_at: "2026-06-26T00:26:25.229608+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Nephros Q1 revenue falls 20% YoY to $2.2M; withdraws 2022 guidance

## Summary
- Net loss of $2.0M vs $0.5M in Q1 2021; adjusted EBITDA -$1.5M.
- Active customer sites rose 17% YoY to 1,276, a record.
- Gross margin dropped to 47% from 58% due to higher shipping costs and inflation.
- Cash and cash equivalents at $5.4M as of March 31, 2022.
- Company withdrawing 2022 revenue guidance citing higher volatility in recovery.

## SEC filing metadata
- accession: 0001493152-22-012079
- form_type: 8-K
- ticker: NEPH
- cik: 0001196298
- company_name: NEPHROS INC
- filed_at: 2022-05-04T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1196298/000149315222012079/0001493152-22-012079-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1196298/000149315222012079/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-22-012079
- JSON: https://secwatch.observer/filing/0001493152-22-012079.json
- Plain text: https://secwatch.observer/filing/0001493152-22-012079.txt

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