Arq director-linked entity buys 150,000 shares

Arq, Inc. reported that Omeshorn Holdings Ltd., an entity associated with director Richard Campbell-Breeden, purchased 150,000 shares of Arq common stock in an open-market transaction on March 23, 2026.

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Rhea-AI Filing Summary

Arq, Inc. reported that Omeshorn Holdings Ltd., an entity associated with director Richard Campbell-Breeden, purchased 150,000 shares of Arq common stock in an open-market transaction on March 23, 2026. The weighted average purchase price was $2.2111 per share, with individual trades between $2.140 and $2.285.

After this transaction, Omeshorn Holdings Ltd. held 404,786 Arq shares indirectly attributable to Campbell-Breeden, and he also held 86,868 shares directly in his own name.

Insider Trade Summary

Net Buyer: 150,000 shares

Net Buy 2 txns

Insider Campbell-Breeden Richard

Role Director

Bought 150,000 shs ($332K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	150,000	$2.2111	$332K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 404,786 shares (Indirect, By Omeshorn Holdings Limited.); Common Stock — 86,868 shares (Direct)

Footnotes (2)

F1. This price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.140 to $2.285, 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.
F2. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Arq (ARQ) disclose for Richard Campbell-Breeden?

Arq disclosed that an entity associated with director Richard Campbell-Breeden, Omeshorn Holdings Ltd., purchased 150,000 shares of Arq common stock in an open-market transaction on March 23, 2026, increasing his indirect and overall shareholdings in the company.

How many Arq (ARQ) shares were bought in the latest insider purchase?

The insider filing shows that 150,000 shares of Arq common stock were purchased. These shares were acquired in multiple open-market transactions by Omeshorn Holdings Ltd., an entity associated with director Richard Campbell-Breeden, at various prices within a disclosed trading range.

What price did the Arq (ARQ) insider pay for the purchased shares?

The filing reports a weighted average purchase price of $2.2111 per Arq share. Individual transactions occurred at prices ranging from $2.140 to $2.285 per share, all executed in the open market on March 23, 2026, through Omeshorn Holdings Ltd.

Who actually holds the newly purchased Arq (ARQ) shares?

The newly purchased shares are held by Omeshorn Holdings Ltd. Richard Campbell-Breeden, a director of Arq, is also a director of Omeshorn Holdings Ltd. and is therefore reported as an indirect beneficial owner of the Arq common stock held by this entity.

What are Richard Campbell-Breeden’s total Arq (ARQ) shareholdings after the transaction?

After the reported purchase, Omeshorn Holdings Ltd. held 404,786 Arq shares indirectly attributable to Campbell-Breeden. The filing also shows that he directly owned 86,868 Arq common shares, giving him both direct and indirect exposure to the company’s equity.

Was the Arq (ARQ) insider trade a buy or a sell?

The reported Arq insider transaction was a buy. The Form 4 classifies it as an open-market purchase of 150,000 common shares by Omeshorn Holdings Ltd., resulting in a net increase in the indirect share position linked to director Richard Campbell-Breeden.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/24/2026 - 04:30 PM EDT

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
Estimated average burden
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

COLORADO

80111

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/23/2026		P		150,000	A	$2.2111⁽¹⁾	404,786	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This price is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.140 to $2.285, 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	03/24/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR