---
schema_version: "secwatch.filing_event.v1"
accession: "0001515156-25-000115"
form_type: "8-K"
ticker: "ARQ"
cik: "0001515156"
company_name: "Arq, Inc."
filed_at: "2025-08-11T23:59:59+00:00"
generated_at: "2026-05-17T15:24:08.752219+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Arq Q2 revenue up 13% to $28.6M, Adj. EBITDA $3.7M; commissions first GAC line at Red River

## Summary
- Revenue $28.6M (+13% YoY); ASP +9%; gross margin improved to 33.3% from 32.2%.
- Adjusted EBITDA $3.7M vs $1.1M in Q2 2024, up >200%; 5th consecutive positive quarter.
- Cash and restricted cash $15.4M as of June 30; FY2025 capex guidance unchanged at $8-12M.
- Commenced first granular activated carbon (GAC) line at Red River; targeting FID for second line by year-end 2025.

## SEC filing metadata
- accession: 0001515156-25-000115
- form_type: 8-K
- ticker: ARQ
- cik: 0001515156
- company_name: Arq, Inc.
- filed_at: 2025-08-11T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1515156/000151515625000115/0001515156-25-000115-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1515156/000151515625000115/ades-20250811.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001515156-25-000115
- JSON: https://secwatch.observer/filing/0001515156-25-000115.json
- Plain text: https://secwatch.observer/filing/0001515156-25-000115.txt

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