10 results
8-K
EX-2.1
ARQ
Arq Inc
1 Feb 23
Advanced Emissions Solutions Completes Acquisition of Arq Limited’s Business
4:57pm
8-K
EX-2.1
ARQ
Arq Inc
19 Aug 22
Advanced Emissions Solutions Announces Merger with Arq Limited
4:38pm
8-K
EX-2.1
ARQ
Arq Inc
15 Nov 18
Acquisition of the leading low-cost provider in the mercury control activated carbon market positions emissions control platform for long-term growth
5:12pm
8-K
EX-2.1
ARQ
Arq Inc
9 Mar 16
Advanced Emissions Solutions Provides Refined Coal Update
12:00am
8-K
EX-2.1
ARQ
Arq Inc
25 Mar 13
Ada-es Announces 2013 Annual Shareholders Meeting and Reorganization
12:00am
425
EX-2.1
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25 Mar 13
Business combination disclosure
12:00am
425
EX-2.1
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19 Mar 12
Business combination disclosure
12:00am
8-K
EX-2.1
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19 Mar 12
Ada-es Announces 2012 Annual Shareholders Meeting and Reorganization
12:00am
425
EX-2.1
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14 Mar 11
Business combination disclosure
12:00am
8-K
EX-2.1
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14 Mar 11
Ada-es Announces 2011 Annual Shareholders Meeting and Reorganization
12:00am
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