---
schema_version: "secwatch.filing_event.v1"
accession: "0001515156-25-000038"
form_type: "8-K"
ticker: "ARQ"
cik: "0001515156"
company_name: "Arq, Inc."
filed_at: "2025-04-11T23:59:59+00:00"
generated_at: "2026-05-23T16:09:02.125545+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Arq extends Tax Asset Protection Plan through Dec 2026; requires shareholder approval by Dec 2025

## Summary
- Eighth Amendment extends Final Expiration Date to Dec 31, 2026, or Dec 31, 2025 if shareholder approval not obtained.
- Amendment between Arq, Inc. and Computershare Trust Company, N.A. as Rights Agent.
- Plan originally dated May 5, 2017; no other material changes described.
- Extension aims to preserve tax attributes; is a standard poison-pill continuation.

## SEC filing metadata
- accession: 0001515156-25-000038
- form_type: 8-K
- ticker: ARQ
- cik: 0001515156
- company_name: Arq, Inc.
- filed_at: 2025-04-11T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 1.01, 3.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1515156/000151515625000038/0001515156-25-000038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1515156/000151515625000038/ades-20250408.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001515156-25-000038
- JSON: https://secwatch.observer/filing/0001515156-25-000038.json
- Plain text: https://secwatch.observer/filing/0001515156-25-000038.txt

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