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Arq, Inc. — SC 13D/A Filings

4 SC 13D/A filings on record

This page lists all SC 13D/A filings submitted to the SEC by Arq, Inc. (ARQ), sorted by most recent first. Each row links to the full filing on EdgarLookup. Arq, Inc. has filed 4 SC 13D/A documents with the SEC since 2011. To view all SEC filings by Arq, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 11-K 15-12G 25-NSE 3 4 4/A 424B2 424B3 424B5 425 5 5/A 8-A12B 8-A12B/A 8-A12G 8-A12G/A 8-K 8-K/A 8-K12G3 ARS CERTNAS CORRESP CT ORDER DEF 14A DEFA14A EFFECT NT 10-K NT 10-Q NT 11-K POS AM PRE 14A RW S-1 S-3 S-3/A S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC TO-I SC TO-I/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
SC 13D/A AMENDMENT NO. 1 TO SCHEDULE 13D 0001213900-24-008388 Jan 31, 2024
SC 13D/A SC 13D/A 0001140361-23-035865 Jul 24, 2023
SC 13D/A AMENDMENT NO. 1 TO SCHEDULE 13D 0001213900-23-019343 Mar 13, 2023
SC 13D/A SC 13D/A 0001193125-14-364945 Oct 7, 2014