Company facts
- Industry
- Miscellaneous Chemical Products
- Headquarters
- Greenwood Village, Colorado
- Most recent report
- 8-K, filed Aug 28, 2026
- Filings on record
- 809 filings
- On EDGAR
- CIK 1515156
- Fiscal year ends
- December
- Filer status
- Accelerated filer, Smaller reporting company
Financials 8 of 50
News 8 of 201
Prospectuses and Registrations 8 of 33
- S-8 Registration statement for an employee plan Jun 26, 2026
- 424B5 Prospectus supplement for an offering Sep 20, 2024
- 424B5 Prospectus supplement for an offering Sep 19, 2024
- S-3 Shelf registration statement Aug 23, 2024
- S-8 Registration statement for an employee plan Jul 1, 2024
- 424B3 Prospectus supplement for an offering Jun 6, 2024
- S-3 Shelf registration statement May 28, 2024
- S-3/A Shelf registration statement, amended Jan 26, 2024
Proxies 8 of 26
- DEFA14A Extra proxy material Apr 28, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 28, 2026
- PRE 14A Preliminary proxy statement Apr 17, 2026
- DEFA14A Extra proxy material Apr 21, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 21, 2025
- PRE 14A Preliminary proxy statement Apr 11, 2025
- DEFA14A Extra proxy material Apr 29, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 29, 2024
Ownership 8 of 423
- 4 Insider reported a trade Sep 9, 2026
- 4 Insider reported a trade Sep 8, 2026
- 4 Insider reported a trade Sep 3, 2026
- 4 Insider reported a trade Aug 18, 2026
- 4 Insider reported a trade Aug 4, 2026
- 4 Insider reported a trade Aug 4, 2026
- 4 Insider reported a trade Aug 4, 2026
- 3 Insider reported their initial holding Aug 4, 2026
Other 8 of 76
- ARS Annual report sent to shareholders Apr 28, 2026
- 8-A12B/A Registration of a security for exchange listing, amended Apr 17, 2026
- ARS Annual report sent to shareholders Apr 21, 2025
- 8-A12B/A Registration of a security for exchange listing, amended Apr 11, 2025
- EFFECT Notice that a registration became effective Sep 4, 2024
- CORRESP Reply to SEC staff Aug 30, 2024
- UPLOAD Comment letter from SEC staff Aug 29, 2024
- EFFECT Notice that a registration became effective Jun 6, 2024
Everything here comes from Arq, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.