Arq, Inc. (ARQ) Corporate Subsidiaries

Arq, Inc. (ARQ) is a publicly traded company on the Nasdaq, categorized under SIC 2890 (Miscellaneous Chemical Products). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.

Ticker: ARQ CIK: 1515156 Exchange: Nasdaq SIC 2890: Miscellaneous Chemical Products Fiscal Year End: 12/31

Independent PCAOB Auditor

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Audit Firm Baker Tilly US, LLP
Auditor SinceSince 12/31/2025 12:00:00 AM
Lead Engagement PartnerGregory Pfahl
Audit LocationDenver, Colorado, United States

Latest SEC EDGAR Filings

Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions
Form Filing Date Reporting Period Description Accession Number Actions
S-8 2026-09-17 — S-8 0001515156-26-000132 View SEC Doc Filr Page
4 2026-09-10 2026-09-08 FORM 4 0001515156-26-000129 View SEC Doc Filr Page
4 2026-09-09 2026-09-04 FORM 4 0001515156-26-000127 View SEC Doc Filr Page
4 2026-09-08 2026-09-03 FORM 4 0001515156-26-000125 View SEC Doc Filr Page
4 2026-09-03 2026-09-01 FORM 4 0001515156-26-000123 View SEC Doc Filr Page
8-K 2026-08-28 2026-08-24 8-K 0001515156-26-000121 View SEC Doc Filr Page
4 2026-08-18 2026-08-14 FORM 4 0001515156-26-000118 View SEC Doc Filr Page
8-K 2026-08-10 2026-08-10 8-K 0001515156-26-000116 View SEC Doc Filr Page
10-Q 2026-08-10 2026-06-30 10-Q 0001515156-26-000114 View SEC Doc Filr Page
4 2026-08-04 2026-07-31 FORM 4 0001515156-26-000108 View SEC Doc Filr Page
4 2026-08-04 2026-08-01 FORM 4 0001515156-26-000107 View SEC Doc Filr Page
4 2026-08-04 2026-08-01 FORM 4 0001515156-26-000106 View SEC Doc Filr Page
3 2026-08-04 2026-07-27 FORM 3 0001515156-26-000105 View SEC Doc Filr Page
4 2026-07-23 2026-07-17 FORM 4 0001515156-26-000099 View SEC Doc Filr Page
8-K 2026-07-23 2026-07-17 8-K 0001515156-26-000097 View SEC Doc Filr Page
4 2026-07-06 2026-07-01 FORM 4 0001515156-26-000094 View SEC Doc Filr Page
4 2026-07-06 2026-07-01 FORM 4 0001515156-26-000093 View SEC Doc Filr Page
4 2026-07-06 2026-07-01 FORM 4 0001515156-26-000092 View SEC Doc Filr Page
4 2026-07-06 2026-07-01 FORM 4 0001515156-26-000091 View SEC Doc Filr Page
4 2026-07-06 2026-07-01 FORM 4 0001515156-26-000090 View SEC Doc Filr Page
8-K 2026-07-02 2026-06-30 8-K 0001515156-26-000085 View SEC Doc Filr Page
S-8 2026-06-26 — S-8 0001515156-26-000082 View SEC Doc Filr Page
3 2026-06-24 2026-06-14 FORM 3 0001515156-26-000077 View SEC Doc Filr Page
8-K 2026-06-18 2026-06-14 8-K 0001515156-26-000075 View SEC Doc Filr Page
8-K 2026-06-11 2026-06-10 8-K 0001515156-26-000073 View SEC Doc Filr Page