Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * McIntyre Julian Alexander 2. Issuer Name and Ticker or Trading Symbol Arq, Inc. [ARQ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ARQ, INC., 8051 E. MAPLEWOOD AVENUE, SUITE 210 3. Date of Earliest Transaction (Month/Day/Year) 09/25/2025 (Street) GREENWOOD VILLAGE, CO 80111 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/25/2025 J 30,000(1) D $ 0 3,191,289(2) I By Allard Services Limited(3) Common Stock 58,978 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
McIntyre Julian Alexander C/O ARQ, INC. 8051 E. MAPLEWOOD AVENUE, SUITE 210 GREENWOOD VILLAGE, CO 80111	X

Signatures

/s/ Julian Alexander McIntyre		10/06/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents shares of common stock of the Issuer held by MWB Limited which were transferred to a minority owner of MWB Limited on September 25, 2025 in anticipation of the intended dissolution of the MWB Limited entity. Allard Services Limited is the majority owner of MWB Limited. Concurrently, the remaining 352,042 shares of the Issuer's common stock held by MWB Limited were transferred to Allard Services Limited and are included in the total securities beneficially owned by Allard Services Limited reported in this row.
(2)	The reported amount includes 352,042 shares, 43,034 shares and 21,908 shares of common stock that were transferred to Allard Services Limited from MWB Limited, Markham Fuels Management Limited and Stannard Limited, respectively, since the date of the last report filed by the reporting person. As of the date of this report, MWB Limited, Markham Fuels Management Limited and Stannard Limited no longer hold shares of the Issuer's common stock.
(3)	The shares reported on this row are held by Allard Services Limited. Julian McIntyre, a Director of the Issuer, controls Allard Services Limited and therefore is an indirect beneficial owner of the securities reported herein.

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