15 results
8-K
EX-4.1
ARQ
Arq Inc
16 Apr 24
Entry into a Material Definitive Agreement
4:07pm
10-K
2023 FY
EX-4.10
ARQ
Arq Inc
Annual report
12 Mar 24
5:05pm
8-K
EX-4.7
ARQ
Arq Inc
14 Apr 23
Advanced Emissions Solutions Announces Addition to its Board of Directors
4:36pm
8-K
EX-4.1
ARQ
Arq Inc
1 Feb 23
Advanced Emissions Solutions Completes Acquisition of Arq Limited’s Business
4:57pm
8-K
EX-4.6
ARQ
Arq Inc
16 Mar 22
Entry into a Material Definitive Agreement
4:35pm
8-K
EX-4.5
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13 Apr 21
Entry into a Material Definitive Agreement
4:39pm
8-K
EX-4.4
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9 Apr 20
Entry into a Material Definitive Agreement
4:36pm
8-K
EX-4.3
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11 Apr 19
Entry into a Material Definitive Agreement
4:40pm
8-K
EX-4.2
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11 Apr 18
Advanced Emissions Solutions Announces Board Changes
12:00am
8-K
EX-4.1
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8 May 17
Advanced Emissions Solutions Reports First Quarter 2017 Results
12:00am
8-K
EX-4.2
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17 Dec 15
Company expects to become current with its filings in early 1Q 2016
12:00am
8-K
EX-4.1
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2 Feb 15
Advanced Emissions Solutions Receives Anticipated Nasdaq Delisting Letter
12:00am
10-Q
EX-4.1
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9 Aug 13
Quarterly report
12:00am
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