---
schema_version: "secwatch.filing_event.v1"
accession: "0001515156-23-000132"
form_type: "8-K"
ticker: "ARQ"
cik: "0001515156"
company_name: "Arq, Inc."
filed_at: "2023-11-08T23:59:59+00:00"
generated_at: "2026-06-08T09:16:37.101858+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Advanced Emissions Solutions appoints Stacia Hansen as CAO, succeeding Morgan Fields

## Summary
- Hansen appointed Chief Accounting Officer effective Nov 6, 2023; Fields to depart Dec 21, 2023.
- Hansen's base salary $250,000, target bonus 50%, LTIP target 65% of base salary.
- Hansen has been with company since 2015, most recently Director of SEC Reporting.
- Fields to receive severance benefits per her employment agreement for termination without cause.
- Hansen's agreement provides 12 months base salary and accelerated equity upon qualifying termination.

## SEC filing metadata
- accession: 0001515156-23-000132
- form_type: 8-K
- ticker: ARQ
- cik: 0001515156
- company_name: Arq, Inc.
- filed_at: 2023-11-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1515156/000151515623000132/0001515156-23-000132-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1515156/000151515623000132/ades-20231106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001515156-23-000132
- JSON: https://secwatch.observer/filing/0001515156-23-000132.json
- Plain text: https://secwatch.observer/filing/0001515156-23-000132.txt

## Key facts
- Executive change
  Stacia Hansen was appointed as Chief Accounting Officer at Arq, Inc..
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: appointed Stacia Hansen to succeed Morgan Fields as the Company’s Chief Accounting Officer effective November 6, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1515156/000151515623000132/0001515156-23-000132-index.htm
- Executive change
  Morgan Fields was terminated as Chief Accounting Officer at Arq, Inc..
  - Action: terminated
  - Role: Chief Accounting Officer
  source text: Ms. Fields will remain an employee of the Company until her employment with the Company terminates on December 21, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1515156/000151515623000132/0001515156-23-000132-index.htm

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