Quick Takeaways
- This page summarizes Robert E. Rasmus's Form 4 filing for Arq, Inc. (ARQ).
- 1 reported transaction and 0 derivative rows are listed below.
- Filing timestamp: 25 Mar 2026, 08:00.
Robert E. Rasmus - 23 Mar 2026 Form 4 Insider Report for Arq, Inc. (ARQ)
- Signature
- /s/ Robert E. Rasmus
- Issuer symbol
- ARQ
- Transactions as of
- 23 Mar 2026
- Net transactions value
- $0
- Form type
- 4
- Filing time
- 25 Mar 2026, 08:00:11 UTC
- Previous filing
- 12 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Robert E. Rasmus filed Form 4 for Arq, Inc. (ARQ) on 25 Mar 2026."
What Changed
- Previous filing in this sequence was filed on 12 Nov 2025.
- Current net transaction value: $0.
Why This Matters
- 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.
Source Evidence
Filed on Form 4
See Original Filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 25 Mar 2026
Transactions Table
ARQ
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -845
- Change %
- -0.18%
- Price
- $2.27*
- Shares after
- 479,937
- Date
- 23 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
ARQ
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 70,718
- Date
- 23 Mar 2026
- Ownership
- By RER Investments LLC
- Footnotes
- F2
ARQ
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 527,779
- Date
- 23 Mar 2026
- Ownership
- By RER Legacy Investments II LLC.
- Footnotes
- F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses:
| Id | Content |
|---|---|
| F1 | Reflects the withholding of shares of the Issuer's common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock awards ("RSAs") on March 23, 2026. |
| F2 | The shares of Common Stock reported on this row are held by RER Investments LLC ("RER Investments"). Mr. Rasmus, the Chief Executive Officer and a Director of the Issuer, is the ultimate control person of RER Investments, and an indirect beneficial owner of these shares. Mr. Rasmus disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. |
| F3 | The shares of Common Stock reported on this row are held by RER Legacy Investments II LLC ("RER Legacy"). Mr. Rasmus, the Chief Executive Officer and a Director of the Issuer, is the ultimate control person of RER Legacy, and an indirect beneficial owner of these shares. Mr. Rasmus disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. |