Arq, Inc. (ARQ)
Nasdaq: ARQ · Miscellaneous Chemical Products · Greenwood Village, CO · filing with the SEC since 2011
Filings
284 filings since 2017 beside 231 insider forms · Accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026Due nextAccelerated filer and smaller reporting company
10-K
Annual report for the fiscal year ending Dec 31, 2026Accelerated filers have 75 days after the fiscal year ends.
by Mar 16, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by May 10, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 35 days after the quarter ended. The proxy statement was last filed Apr 28, 2026.
Filings a yearinsider forms included
4740333363715357
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 10 times in the last 36 months, the newest Aug 28, 2026.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Jun 9, 2025.SEC letters: 6 in the last 36 months, the newest Aug 30, 2024.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Aug 28, 2026
8-K items 5.02, 8.01, 9.01
Officer or director change; Other event · Current report
Aug 24, 2026
Jun 11, 2026
8-K items 5.02, 5.07, 9.01
Officer or director change; Shareholder vote · Current report
Jun 10, 2026
May 27, 2026
8-K items 5.02, 8.01, 9.01
Officer or director change; Other event · Current report
May 20, 2026
Apr 17, 2026
8-K items 1.01, 3.03, 9.01
Major agreement signed; Change to shareholders' rights · Current report
Apr 15, 2026
Jun 6, 2025
8-K items 5.02, 5.07, 8.01, 9.01
Officer or director change; Shareholder vote; Other event · Current report
Jun 3, 2025
40 of 284 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.