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.
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 | — |