Richard Campbell‑Breeden adds ARQ shares via Omeshorn Holdings

Rhea-AI Filing Summary

Arq, Inc. (ARQ) reported insider buying by Director Richard Campbell‑Breeden. On 11/11/2025, he purchased 28,638 shares of common stock at a weighted average price of $3.5438, with trades executed in the $3.49–$3.62 range. The filing notes he will provide detailed trade breakdowns upon request.

Following the transaction, beneficial ownership stands at 254,786 shares indirect through Omeshorn Holdings Ltd., where he serves as a director, and 86,868 shares direct. The transaction was reported on a Form 4 and reflects personal share accumulation.

Insider Trade Summary

Net Buyer: 28,638 shares ($101,487)

Net Buy 2 txns

Insider Campbell-Breeden Richard

Role Director

Bought 28,638 shs ($101K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	28,638	$3.5438	$101K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 254,786 shares (Indirect, By Omeshorn Holdings Limited.); Common Stock — 86,868 shares (Direct)

Footnotes (1)

1. This price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.49 to $3.62, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this Form 4. The shares reported on this row are held by Omeshorn Holdings Ltd. Richard Campbell-Breeden, a Director of the Issuer, is a director of Omeshorn Holdings Ltd. and therefore is an indirect beneficial owner of the securities reported herein.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Campbell-Breeden Richard

(Last) (First) (Middle)

C/O ARQ, INC.

8051 E. MAPLEWOOD AVENUE, SUITE 210

(Street)

GREENWOOD VILLAGE CO 80111

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
11/11/2025

4. If Amendment, Date of 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

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	11/11/2025		P		28,638	A	$3.5438(1)	254,786	I	By Omeshorn Holdings Limited.(2)
Common Stock								86,868	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. This price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.49 to $3.62, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this Form 4.

2. The shares reported on this row are held by Omeshorn Holdings Ltd. Richard Campbell-Breeden, a Director of the Issuer, is a director of Omeshorn Holdings Ltd. and therefore is an indirect beneficial owner of the securities reported herein.

Remarks:

	/s/ Richard Campbell-Breeden	11/13/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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