---
schema_version: "secwatch.filing_event.v1"
accession: "0001515156-26-000064"
form_type: "8-K"
ticker: "ARQ"
cik: "0001515156"
company_name: "Arq, Inc."
filed_at: "2026-05-06T23:59:59+00:00"
generated_at: "2026-05-14T22:36:48.327780+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Arq Q1 revenue up 7% to $29.1M but net loss of $0.8M; reaffirms FY guidance

## Summary
- Revenue $29.1M in Q1 2026 vs $27.2M in Q1 2025; gross margin 34.2% vs 36.4%.
- Net loss of $0.8M vs net income of $0.2M in Q1 2025.
- Adjusted EBITDA $2.7M vs $4.1M YoY; includes $0.8M non-cash inventory revaluation.
- Cash and restricted cash $15.9M at quarter end, of which $11.2M restricted.
- FY2026 guidance reaffirmed: revenue $120-125M, adjusted EBITDA $17-20M.

## SEC filing metadata
- accession: 0001515156-26-000064
- form_type: 8-K
- ticker: ARQ
- cik: 0001515156
- company_name: Arq, Inc.
- filed_at: 2026-05-06T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1515156/000151515626000064/0001515156-26-000064-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1515156/000151515626000064/ades-20260506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001515156-26-000064
- JSON: https://secwatch.observer/filing/0001515156-26-000064.json
- Plain text: https://secwatch.observer/filing/0001515156-26-000064.txt

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