Robert E. Rasmus - 17 Jul 2026 Form 4 Insider Report for Arq, Inc. (ARQ)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: ARQ
Reported as of: 17 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Jul 2026, 17:12:59 UTC
Prior SEC filing: 25 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Robert E. Rasmus

Key filing fact

Robert E. Rasmus filed Form 4 for Arq, Inc. (ARQ) on 23 Jul 2026.

Key facts

This page summarizes Robert E. Rasmus's Form 4 filing for Arq, Inc. (ARQ).
4 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 23 Jul 2026, 17:12.

Change

Previous filing in this sequence was filed on 25 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001555130 Primary reporting owner

Rasmus Robert E.

Relationship: Chief Executive Officer, Director
Address: C/O ARQ, INC., 8051 E MAPLEWOOD AVE STE 210, GREENWOOD VILLAGE
Signature: /s/ Robert E. Rasmus
Signature date: 23 Jul 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ARQ transaction Derivative

Restricted Stock Units

Disposed to Issuer

Transaction value
Shares: -400,000
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 17 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 400,000
Exercise price
Footnotes: F1, F2

ARQ transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +400,000
Change %
Price: $0.000000^*
Shares after: 400,000
Date: 17 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 400,000
Exercise price
Footnotes: F1, F2

ARQ transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +600,000
Change %
Price: $0.000000^*
Shares after: 600,000
Date: 23 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 600,000
Exercise price
Footnotes: F3, F4

ARQ transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +600,000
Change %
Price: $0.000000^*
Shares after: 600,000
Date: 23 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 600,000
Exercise price
Footnotes: F3, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Represents restricted stock units ("RSUs") granted to Mr. Rasmus as an employment inducement award (the "Inducement Award"). Each RSU comprising the Inducement Award represents the right to receive one share of the Issuer's Common Stock upon vesting and settlement.

Footnote F2

The two reported transactions involved an amendment of the Inducement Award, originally granted to Mr. Rasmus on July 17, 2023, to extend the expiration date of the Inducement Award from July 17, 2026, to July 17, 2029. The Inducement Award amendment may be deemed a cancellation of the original Inducement Award and grant of a replacement Inducement Award. Of the 400,000 RSUs comprising the Inducement Award, 250,000 RSUs shall vest when the 30-day volume weighted average price of the Issuer's Common Stock (the "30-Day VWAP") equals $10.00 per share and 150,000 RSUs shall vest when the 30-Day VWAP equals $15.00 per share, in each case, prior to July 17, 2029.

Footnote F3

Represents RSUs granted to Mr. Rasmus under the Issuer's 2026 Omnibus Incentive Plan. Each RSU represents the right to receive one share of the Issuer's Common Stock upon vesting and settlement.

Footnote F4

200,000 RSUs vest when the 30-Day VWAP equals $3.00 per share; 200,000 RSUs vest when the 30-Day VWAP equals $6.00 per share; and 200,000 RSUs vest when the 30-Day VWAP equals $9.00 per share, in each case, prior to the third anniversary of the date of grant. If the applicable 30-Day VWAP threshold is achieved prior to the first anniversary of the grant date, the RSUs that have become earned upon achievement of such threshold shall not vest until the first anniversary of the grant date.

Footnote F5

The RSUs vest in two equal installments on each of July 23, 2028, and July 23, 2029.