Arq, Inc. — SC 13G/A Filings
23 SC 13G/A filings on record
This page lists all SC 13G/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 23 SC 13G/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 13G/A | SCHEDULE 13G/A | 0001104659-22-022872 | Feb 14, 2022 | — |
| SC 13G/A | ADVANCED EMISSIONS SOLUTIONS, INC. | 0000902664-22-001330 | Feb 10, 2022 | — |
| SC 13G/A | — | 0000834237-21-008801 | Jul 12, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-017343 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-002819 | Jan 29, 2021 | — |
| SC 13G/A | — | 0000834237-20-010386 | Oct 9, 2020 | — |
| SC 13G/A | SC 13G/A | 0001104659-20-020258 | Feb 13, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-018817 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000834237-20-001534 | Feb 4, 2020 | — |
| SC 13G/A | — | 0001172661-19-000895 | Feb 14, 2019 | — |
| SC 13G/A | SC 13G/A | 0001104659-19-007917 | Feb 13, 2019 | — |
| SC 13G/A | — | 0000215457-19-000939 | Jan 24, 2019 | — |
| SC 13G/A | SC 13G/A | 0001193125-18-045978 | Feb 14, 2018 | — |
| SC 13G/A | 13G/A | 0001172661-18-000695 | Feb 14, 2018 | — |
| SC 13G/A | — | 0000215457-18-001202 | Jan 19, 2018 | — |
| SC 13G/A | 13G/A | 0001172661-17-000707 | Feb 14, 2017 | — |
| SC 13G/A | — | 0000869311-17-000219 | Jan 12, 2017 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000936872-16-000032 | Feb 11, 2016 | — |
| SC 13G/A | — | 0000215457-16-001468 | Jan 8, 2016 | — |
| SC 13G/A | AMENDMENT NO. 1 | 0001214659-15-006346 | Aug 27, 2015 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000902219-15-000045 | Feb 12, 2015 | — |
| SC 13G/A | — | 0001086364-15-000012 | Jan 9, 2015 | — |
| SC 13G/A | — | 0001086364-14-000004 | Jan 10, 2014 | — |