---
schema_version: "secwatch.filing_event.v1"
accession: "0001515156-25-000139"
form_type: "8-K"
ticker: "ARQ"
cik: "0001515156"
company_name: "Arq, Inc."
filed_at: "2025-11-05T23:59:59+00:00"
generated_at: "2026-05-17T00:15:36.392856+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Arq Q3 2025 revenue $35.1M (+1% YoY); adj. EBITDA $5.2M (6th consecutive positive)

## Summary
- Revenue of $35.1M, up 1% YoY; average selling price increased 7% year-over-year.
- Adjusted EBITDA of $5.2M, sixth consecutive positive quarter; net loss improved to $0.7M.
- Gross margin 28.8% vs 38.6% a year ago, driven by initial GAC production ramp costs.
- Achieved initial commercial-phase Granular Activated Carbon (GAC) production and sales.
- Full-year 2025 capex guidance unchanged at $8-12M; cash & restricted cash $15.5M at quarter end.

## SEC filing metadata
- accession: 0001515156-25-000139
- form_type: 8-K
- ticker: ARQ
- cik: 0001515156
- company_name: Arq, Inc.
- filed_at: 2025-11-05T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1515156/000151515625000139/0001515156-25-000139-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1515156/000151515625000139/ades-20251105.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001515156-25-000139
- JSON: https://secwatch.observer/filing/0001515156-25-000139.json
- Plain text: https://secwatch.observer/filing/0001515156-25-000139.txt

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