Arq grants stock and PSU awards to general counsel

Smith Claiborne Benson reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Smith Claiborne Benson reported acquisition or exercise transactions in this Form 4 filing.

Arq, Inc. granted equity awards to general counsel and corporate secretary Smith Claiborne Benson on August 1, 2026. The awards include 61,047 restricted stock awards, vesting in three equal installments on August 1, 2027, March 23, 2028, and March 23, 2029, and 61,047 performance share units that may deliver up to 122,094 shares of common stock based on goals measured as of December 31, 2028 and continuous service. Following the restricted stock grant, Benson directly holds 155,513 shares of common stock.

Insider Trade Summary

Grant/Award: 122,094 shares

Grant/Award 2 txns

Insider Smith Claiborne Benson

Role Gen Counsel, Corp Secretary

Type	Security	Shares	Price	Value
Grant/Award	Performance Share Units F2, F3, F4	61,047	$0.00	$0.00
Grant/Award	Common Stock F1	61,047	$0.00	$0.00

Holdings After Transaction: Performance Share Units — 61,047 contracts (Direct); Common Stock — 155,513 shares (Direct)

Footnotes (4)

1. F1. Represents restricted stock awards ("RSAs") granted in accordance with the Issuer's long-term incentive plan under the 2026 Omnibus Incentive Plan, approved by stockholders on June 10, 2026. The RSAs shall vest in three equal installments, on each of August 1, 2027, March 23, 2028, and March 23, 2029.
2. F2. Represents performance share units ("PSUs") granted in accordance with the Issuer's long-term incentive plan under the 2026 Omnibus Incentive Plan.
3. F3. Each PSU represents a contingent right to receive one share of the Issuer's Common Stock upon vesting of the PSU, which will occur, if at all, no later than March 15, 2029 subject to the reporting person's continuous service with the Issuer or its related entities and the achievement of certain pre-established goals to be measured as of December 31, 2028.
4. F4. Represents the maximum number of PSUs that will vest, if at all, which is 200% of the target award.

Key Figures

Restricted stock awards granted: 61,047 shares Common stock holdings after RSA grant: 155,513 shares Performance share units granted: 61,047 PSUs +4 more

7 metrics

Restricted stock awards granted 61,047 shares RSAs granted to Smith Claiborne Benson on August 1, 2026 under the 2026 Omnibus Incentive Plan

Common stock holdings after RSA grant 155,513 shares Direct Arq common stock owned by Benson following the August 1, 2026 restricted stock award

Performance share units granted 61,047 PSUs PSUs granted under the 2026 Omnibus Incentive Plan representing contingent rights to common stock

Maximum common shares from PSUs 122,094 shares Maximum number of PSUs that may vest, equal to 200% of the target award

PSU performance measurement date December 31, 2028 Date on which pre‑established goals for PSU vesting will be measured

Latest PSU vesting date March 15, 2029 Latest date by which PSUs may vest, subject to continuous service and goal achievement

First RSA vesting date August 1, 2027 First of three equal RSA vesting installments; remaining installments on March 23, 2028 and March 23, 2029

Key Terms

restricted stock awards, performance share units, 2026 Omnibus Incentive Plan, continuous service

4 terms

restricted stock awards financial

"Represents restricted stock awards ("RSAs") granted in accordance with the Issuer's long‑term incentive plan"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

performance share units financial

"Represents performance share units ("PSUs") granted in accordance with the Issuer's long‑term incentive plan"

Performance share units are a type of company stock award given to employees that depend on the company meeting specific goals or targets. If these goals are achieved, the employee receives shares or the value of shares; if not, they may receive little or no compensation. This aligns employees’ interests with the company's success and encourages performance that benefits investors.

2026 Omnibus Incentive Plan financial

"granted in accordance with the Issuer's long‑term incentive plan under the 2026 Omnibus Incentive Plan"

continuous service financial

"subject to the reporting person's continuous service with the Issuer or its related entities"

FAQ

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

What equity awards did Arq (ARQ) grant to Smith Claiborne Benson?

Arq granted Benson 61,047 restricted stock awards and 61,047 performance share units on August 1, 2026. The RSAs are common shares, while each PSU is a contingent right to one common share under the company’s 2026 Omnibus Incentive Plan program.

How will the restricted stock awards for Arq (ARQ) vest?

The restricted stock awards vest in three equal installments over time. Vesting dates are August 1, 2027, March 23, 2028, and March 23, 2029, provided the grant remains outstanding under Arq’s 2026 Omnibus Incentive Plan for the reporting person.

What are the vesting conditions for Arq (ARQ) performance share units?

Each PSU is a contingent right to receive one common share upon vesting. Vesting occurs, if at all, by March 15, 2029, subject to Benson’s continuous service and achievement of pre‑established goals measured as of December 31, 2028, with a maximum 122,094 shares.

What is the maximum number of Arq (ARQ) shares Benson may receive from PSUs?

The PSU grant can yield up to 122,094 shares of Arq common stock. This represents 200% of the target award, meaning full vesting at maximum performance would double the initial 61,047 target units, assuming service and performance conditions are satisfied.

How many Arq (ARQ) common shares does Benson own after these grants?

After the August 1, 2026 restricted stock grant, Benson directly owns 155,513 shares of Arq common stock. This figure reflects his updated direct non‑derivative holdings and excludes the contingent performance share units, which may or may not vest in the future.

Were the Arq (ARQ) equity grants made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5‑1 checkbox is not checked, and the transactions are coded as grant or award acquisitions under Arq’s 2026 Omnibus Incentive Plan rather than open‑market purchases or sales executed under a trading plan.

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

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Available on EDGAR 08/04/2026 - 08:31 PM Accepted by SEC EDGAR 08/04/2026 - 08:30 PM Learn about SEC filing dates

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^*

Smith Claiborne Benson

(Last) (First) (Middle)

C/O ARQ, INC

8051 E. MAPLEWOOD AVE, STE 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Gen Counsel, Corp Secretary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/01/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/01/2026		A		61,047(1)	A	$0	155,513	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
Performance Share Units	(2)	08/01/2026		A		61,047		(3)	03/15/2029(3)	Common Stock	122,094(4)	$0	61,047	D

Explanation of Responses:

1. Represents restricted stock awards ("RSAs") granted in accordance with the Issuer's long-term incentive plan under the 2026 Omnibus Incentive Plan, approved by stockholders on June 10, 2026. The RSAs shall vest in three equal installments, on each of August 1, 2027, March 23, 2028, and March 23, 2029.

2. Represents performance share units ("PSUs") granted in accordance with the Issuer's long-term incentive plan under the 2026 Omnibus Incentive Plan.

3. Each PSU represents a contingent right to receive one share of the Issuer's Common Stock upon vesting of the PSU, which will occur, if at all, no later than March 15, 2029 subject to the reporting person's continuous service with the Issuer or its related entities and the achievement of certain pre-established goals to be measured as of December 31, 2028.

4. Represents the maximum number of PSUs that will vest, if at all, which is 200% of the target award.

Remarks:

	/s/ Claiborne B. Smith	08/04/2026
	** 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)