DREDGECAP
NASDAQ·Miscellaneous Chemical Products

ARQArq, Inc.

Arq, Inc. (ARQ) has delinquent SEC filing, auditor change, and delisting / deregistration notice flags.

Last filing: filing·May 6, 2026EDGAR ↗

ARQ Risk Flags

Consolidated view of every risk_flag row ARQhas surfaced across DredgeCap's extractor pipeline (auditor changes, late filings, delistings, going-concern, dilution, etc.). Each row carries a verbatim source_excerpt and links to the source SEC filing on EDGAR.

CategorySeveritySourceExcerptEDGAR
Late FilinghighNT 10-Q · Nov 10, 2015Form NT 10-Q filed 2015-11-10 (accession 0001515156-15-000044) notified the SEC of delayed 10-Q filing for period ending 2015-09-30. Substantive filing landed 2016-04-19 (accession 0001515156-16-000088), 157 days after the 2015-11-14 filing…view ↗
Late FilinghighNT 10-Q · Aug 10, 2015Form NT 10-Q filed 2015-08-10 (accession 0001515156-15-000029) notified the SEC of delayed 10-Q filing for period ending 2015-06-30. Substantive filing landed 2016-04-19 (accession 0001515156-16-000088), 249 days after the 2015-08-14 filing…view ↗
Late FilinghighNT 11-K · Jun 30, 2015Form NT 11-K filed 2015-06-30 (accession 0001515156-15-000024) notified the SEC of delayed 11-K filing for period ending 2014-12-31. Substantive filing landed 2015-10-15 (accession 0001515156-15-000039), 108 days after the 2015-06-29 filing…view ↗
Late FilinghighNT 10-Q · May 12, 2015Form NT 10-Q filed 2015-05-12 (accession 0001193125-15-184035) notified the SEC of delayed 10-Q filing for period ending 2015-03-31. Substantive filing landed 2016-04-19 (accession 0001515156-16-000088), 340 days after the 2015-05-15 filing…view ↗
Late FilinghighNT 10-K · Mar 16, 2015Form NT 10-K filed 2015-03-16 (accession 0001193125-15-093793) notified the SEC of delayed 10-K filing for period ending 2014-12-31. Substantive filing landed 2016-02-29 (accession 0001515156-16-000064), 335 days after the 2015-03-31 filing…view ↗
Late FilinghighNT 10-K · Mar 18, 2014Form NT 10-K filed 2014-03-18 (accession 0001193125-14-103497) notified the SEC of delayed 10-K filing for period ending 2013-12-31. As of 2026-05-15, no substantive filing has been located within the 90-day window; CIK appears to be in del…view ↗
Auditor Changemedium10-K · Mar 10, 2026PCAOB-tagged auditor in 10-K filed 2026-03-10 (accession 0001515156-26-000021) was 'Baker Tilly US, LLP' (PCAOB Firm ID: 23). Prior 10-K filed 2025-03-05 (accession 0001515156-25-000014) was 'Moss Adams LLP' (PCAOB Firm ID: 659).view ↗
Delistingmedium25-NSE · Mar 20, 2015Form 25-NSE filed 2015-03-20 (accession 0001354457-15-000065) notifies SEC of the removal of a class of securities from listing. No companion Form 15 deregistration detected within 12 months (issuer remains a reporting company as of 2026-05…view ↗
Delistinglow15-12G · May 8, 2017Form 15-12G filed 2017-05-08 (accession 0001515156-17-000040) terminated the issuer's SEC registration under the Exchange Act. No companion Form 25 (delisting notice) detected within 12 months — voluntary deregistration without a prior exch…view ↗
Late FilinglowNT 10-K · Mar 15, 2016Form NT 10-K filed 2016-03-15 (accession 0001515156-16-000071) notified the SEC of delayed 10-K filing for period ending 2015-12-31. Substantive filing landed 2016-03-17 (accession 0001515156-16-000074), 13 days before the 2016-03-30 filing…view ↗

Related on ARQ

Auditor & opinion →
Source for auditor_change + going-concern flags.
Share-count dilution →
Source for dilution + convertible-debt flags.
Risk-flag rows are produced by DredgeCap's extractor pipeline (lib/extract-auditor-changes, extract-late-filings, etc.). Each row carries a verbatim source_excerpt from the underlying SEC filing — no AI-generated language. Refresh runs daily. Not financial advice.