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Mailing Address 8051 E. MAPLEWOOD AVE., STE 210 GREENWOOD VILLAGE CO 80111
Business Address 8051 E. MAPLEWOOD AVE., STE 210 GREENWOOD VILLAGE CO 80111 720-598-3500
Arq, Inc. CIK#: 0001515156 (see all company filings)

SIC: 2890 - MISCELLANEOUS CHEMICAL PRODUCTS
State location: CO | Fiscal Year End: 1231
formerly: Advanced Emissions Solutions, Inc. (filings through 2024-01-31)
(CF Office: 08 Industrial Applications and Services)
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Items 1 - 40  0001515156 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
ARS  Documents Annual Report to Security Holders
Acc-no: 0001515156-24-000084 (34 Act)  Size: 15 MB
2024-04-29 001-37822
24891321
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001515156-24-000083 (34 Act)  Size: 425 KB
2024-04-29 001-37822
24891212
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001515156-24-000082 (34 Act)  Size: 79 MB
2024-04-29 001-37822
24891111
8-A12B/A  Documents [Amend] Registration of securities [Section 12(b)]
Acc-no: 0001515156-24-000077 (34 Act)  Size: 36 KB
2024-04-16 001-37822
24848095
PRE 14A  Documents   Interactive Data Other preliminary proxy statements
Acc-no: 0001515156-24-000075 (34 Act)  Size: 79 MB
2024-04-16 001-37822
24847988
8-K  Documents   Interactive Data Current report, items 1.01, 3.03, and 9.01
Acc-no: 0001515156-24-000073 (34 Act)  Size: 187 KB
2024-04-16 001-37822
24847865
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001515156-24-000037 (34 Act)  Size: 549 KB
2024-03-12 001-37822
24743235
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001515156-24-000036 (34 Act)  Size: 10 MB
2024-03-12 001-37822
24743183
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001515156-24-000029 (34 Act)  Size: 235 KB
2024-02-13 001-37822
24626377
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-24-000266 (33 Act)  Size: 1 KB
2024-01-31 16:30:00 333-276375
24584871
8-K  Documents   Interactive Data Current report, items 5.03, 8.01, and 9.01
Acc-no: 0001515156-24-000024 (34 Act)  Size: 497 KB
2024-01-31 001-37822
24583511
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001213900-24-008388 (34 Act)  Size: 120 KB
2024-01-31 005-87576
24582621
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001515156-24-000018 Size: 5 KB
2024-01-29
S-3/A  Documents [Amend] Registration statement under Securities Act of 1933
Acc-no: 0001515156-24-000015 (33 Act)  Size: 728 KB
2024-01-26 333-276375
24563448
8-K  Documents   Interactive Data Current report, items 1.01, 8.01, and 9.01
Acc-no: 0001515156-24-000005 (34 Act)  Size: 1 MB
2024-01-24 001-37822
24556528
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-24-000365 Size: 40 KB
2024-01-10 333-276375
S-1  Documents General form for registration of securities under the Securities Act of 1933
Acc-no: 0001515156-24-000002 (33 Act)  Size: 1 MB
2024-01-04 333-276375
24512880
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001515156-23-000134 (34 Act)  Size: 1 MB
2023-11-08 001-37822
231388915
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001515156-23-000133 (34 Act)  Size: 7 MB
2023-11-08 001-37822
231388874
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001515156-23-000132 (34 Act)  Size: 301 KB
2023-11-08 001-37822
231388608
8-K  Documents   Interactive Data Current report, items 5.02, 8.01, and 9.01
Acc-no: 0001515156-23-000122 (34 Act)  Size: 1 MB
2023-09-18 001-37822
231260277
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001515156-23-000117 (34 Act)  Size: 1 MB
2023-08-09 001-37822
231155837
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001515156-23-000116 (34 Act)  Size: 6 MB
2023-08-09 001-37822
231155769
8-K/A  Documents   Interactive Data [Amend] Current report, item 5.02
Acc-no: 0001515156-23-000111 (34 Act)  Size: 168 KB
2023-08-03 001-37822
231140877
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001515156-23-000108 (33 Act)  Size: 256 KB
2023-07-25 333-273425
231109376
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001140361-23-035865 (34 Act)  Size: 45 KB
2023-07-24 005-87576
231105389
8-K  Documents   Interactive Data Current report, items 3.02, 5.02, 8.01, and 9.01
Acc-no: 0001515156-23-000092 (34 Act)  Size: 1 MB
2023-07-17 001-37822
231092377
8-K  Documents   Interactive Data Current report, items 5.07 and 9.01
Acc-no: 0001515156-23-000071 (34 Act)  Size: 218 KB
2023-06-15 001-37822
231018016
8-K  Documents   Interactive Data Current report, items 1.01 and 9.01
Acc-no: 0001515156-23-000068 (34 Act)  Size: 279 KB
2023-06-06 001-37822
23996812
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001515156-23-000065 (34 Act)  Size: 1 MB
2023-05-09 001-37822
23902948
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001515156-23-000063 (34 Act)  Size: 7 MB
2023-05-09 001-37822
23902848
ARS  Documents Annual Report to Security Holders
Acc-no: 0001515156-23-000059 (34 Act)  Size: 9 MB
2023-04-27 001-37822
23858222
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001515156-23-000058 (34 Act)  Size: 229 KB
2023-04-27 001-37822
23858199
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001515156-23-000057 (34 Act)  Size: 110 MB
2023-04-27 001-37822
23858189
8-A12B/A  Documents [Amend] Registration of securities [Section 12(b)]
Acc-no: 0001515156-23-000050 (34 Act)  Size: 34 KB
2023-04-14 001-37822
23821753
PRE 14A  Documents   Interactive Data Other preliminary proxy statements
Acc-no: 0001515156-23-000049 (34 Act)  Size: 110 MB
2023-04-14 001-37822
23821731
8-K  Documents   Interactive Data Current report, items 1.01, 3.03, 5.02, and 9.01
Acc-no: 0001515156-23-000047 (34 Act)  Size: 1 MB
2023-04-14 001-37822
23821676
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001515156-23-000042 (34 Act)  Size: 1 MB
2023-03-29 001-37822
23775663
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001140361-23-012552 (34 Act)  Size: 176 KB
2023-03-20 005-87576
23746696
SC 13D  Documents General statement of acquisition of beneficial ownership
Acc-no: 0001213900-23-019349 (34 Act)  Size: 290 KB
2023-03-13 005-87576
23725614