[8-K] Arq, Inc. Reports Material Event

Rhea-AI Filing Summary

ARQ, Inc. furnished an 8-K noting it issued a press release tied to the filing of its Quarterly Report on Form 10-Q for the period ended September 30, 2025, and posted an investor presentation covering the three and nine months ended that date.

The press release is furnished as Exhibit 99.1 and is not deemed “filed” under the Exchange Act. The filing includes standard forward‑looking statement cautions. The report was signed by CEO Robert Rasmus on November 5, 2025.

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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): November 5, 2025

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 Symbol

Name of each exchange on which registered

Common stock, par value $0.001 per share

ARQ

Nasdaq 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 2.02 Results of Operations and Financial Condition.

On November 5, 2025, Arq, Inc. ("Arq" or the "Company") issued a press release related to the filing of Arq's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2025, and posted to its website an investor presentation related to Arq's financial results for the three and nine months ended September 30, 2025.

A copy of the press release is furnished as Exhibit 99.1 to this report. The information furnished pursuant to this Item 2.02, including the attached exhibits, shall not be deemed "filed" for purposes of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of such section, nor shall such information or exhibit be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Cautionary Note Regarding Forward-Looking Statements. The press release contains forward-looking statements that involve certain risks and uncertainties that could cause actual results to differ materially from those expressed or implied by these statements. Please refer to the cautionary notes at the end of the press release regarding these forward-looking statements.

Item 9.01						Financial Statements and Exhibits.
(d)						Exhibits

Exhibit No.						Description
99.1						Press Release dated November 5, 2025
104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

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SIGNATURES

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

Date: November 5, 2025

Arq, Inc.

Registrant

/s/ Robert Rasmus

Robert Rasmus

Chief Executive Officer

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FAQ

What did ARQ (ARQ) announce in this 8-K?

ARQ furnished an 8-K stating it issued a press release related to its Form 10-Q and posted an investor presentation covering the three and nine months ended September 30, 2025.

Which period does ARQ’s Form 10-Q cover?

The quarterly period ended September 30, 2025.

What exhibit is included with this 8-K for ARQ?

The press release is furnished as Exhibit 99.1; the cover page Inline XBRL is identified as 104.

Is the press release considered 'filed' or 'furnished'?

It is furnished under Item 2.02 and not deemed “filed” under the Exchange Act.

When was the press release dated and who signed the report?

The press release is dated November 5, 2025, and the 8-K was signed by CEO Robert Rasmus on the same date.

Where can investors find ARQ’s investor presentation?

ARQ stated it posted the investor presentation to its website in connection with the Form 10-Q results.