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Arq (NASDAQ: ARQ) finalizes CAO Stacia Hansen separation with $108,333 severance

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Arq, Inc. reported that its previously announced leadership change has been formalized through a Separation Agreement with former Chief Accounting Officer Stacia Hansen. Ms. Hansen resigned effective June 12, 2026, and the agreement became effective June 30, 2026 after a statutory revocation period.

Under the Separation Agreement, Ms. Hansen will receive a severance payment of $108,333. The agreement also includes customary release of claims and confidentiality provisions. Arq filed the full Separation Agreement as an exhibit for investors and regulators to review.

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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance
Key personnel changes including departures, elections, or appointments of directors and executive officers.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Severance payment $108,333 Paid to former Chief Accounting Officer under Separation Agreement
Resignation effective date June 12, 2026 Effective date of CAO Stacia Hansen’s resignation
Separation Agreement effective date June 30, 2026 Effective after statutory revocation period
Separation Agreement financial
"In connection with her resignation, Ms. Hansen entered into a Separation Agreement with the Company"
A separation agreement is a written contract that spells out the financial and legal terms when an employee and a company part ways, such as final pay, severance, continued benefits, confidentiality, and any release of claims. For investors, it matters because these agreements determine immediate costs, potential future liabilities, and whether departing staff are restricted from competing or disclosing information—factors that can affect a company’s cash flow, risk profile, and leadership continuity.
severance payment financial
"Pursuant to the terms of the Separation Agreement, Ms. Hansen will receive severance payment of $108,333."
release of claims financial
"The Separation Agreement includes customary release of claims and confidentiality provisions."
confidentiality provisions financial
"The Separation Agreement includes customary release of claims and confidentiality provisions."
Emerging growth company regulatory
"Emerging growth company"
An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.
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Understanding 8-K Material Events →
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U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): June 30, 2026
ARQ, INC.

(Name of registrant as specified in its charter)
Delaware 001-37822 27-5472457
(State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification Number)
8051 E. Maplewood Avenue, Suite 210, Greenwood Village, CO
80111
(Address of principal executive offices)    (Zip Code)
 
Registrant's telephone number, including area code: (720) 598-3500

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) 
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) 
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) 
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 
Securities registered pursuant to Section 12(b) of the Act:
Class Trading SymbolName of each exchange on which registered
Common stock, par value $0.001 per share ARQNasdaq Global Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐




Item 5.02Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
As previously disclosed, effective June 12, 2026, Stacia Hansen resigned as Chief Accounting Officer of Arq, Inc. (the “Company”). In connection with her resignation, Ms. Hansen entered into a Separation Agreement with the Company (the “Separation Agreement”). The Separation Agreement became effective as of June 30, 2026 (the “Effective Date”) after the expiration of a statutory revocation period.
Pursuant to the terms of the Separation Agreement, Ms. Hansen will receive severance payment of $108,333. The Separation Agreement includes customary release of claims and confidentiality provisions.
The foregoing description of the Separation Agreement is qualified in its entirety by reference to the full text of the Separation Agreement, attached hereto as Exhibit 10.1, and incorporated herein by reference.

Item 9.01Financial Statements and Exhibits.
(d)Exhibits
Exhibit No.Description
10.1
Separation Agreement by and between Stacia Hansen and Arq, Inc., effective as of June 30, 2026.*
104Cover Page Interactive Data File (embedded within the Inline XBRL document).
Notes:
* – Management contract or compensatory plan or arrangement.
1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: July 2, 2026
 Arq, Inc.
 Registrant
 /s/ Robert Rasmus
 Robert Rasmus
 Chief Executive Officer

2

Source: View Original Filing on SEC EDGAR

FAQ

What executive change did Arq (ARQ) disclose in this 8-K filing?

Arq disclosed that Chief Accounting Officer Stacia Hansen resigned effective June 12, 2026. The company also documented a Separation Agreement with her, detailing severance and standard legal provisions, which became effective on June 30, 2026 after a statutory revocation period.

How much severance is Arq (ARQ) paying to former CAO Stacia Hansen?

Arq agreed to pay Ms. Hansen a severance payment of $108,333. This amount is specified in the Separation Agreement, which also includes standard release of claims and confidentiality terms and is filed as Exhibit 10.1 for reference.

When did the Separation Agreement between Arq and Stacia Hansen become effective?

The Separation Agreement became effective on June 30, 2026. It took effect after the expiration of a statutory revocation period, following Ms. Hansen’s resignation as Chief Accounting Officer, which was effective on June 12, 2026 as previously disclosed by the company.

Filing Exhibits & Attachments

4 documents

Agreements & Contracts

Other Documents