75 results
Page 3 of 4
8-K
EX-99.1
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23 Jul 21
PQ Group Holdings Announces Date and Details for Corporate Name Change to Ecovyst Inc. and Second Quarter 2021 Earnings Conference Call
6:15am
8-K
EX-99.1
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6 May 21
Results of Operations and Financial Condition
6:21am
424B7
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29 Apr 21
Prospectus with selling stockholder info
4:36pm
424B7
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26 Apr 21
Prospectus with selling stockholder info
4:56pm
8-K
EX-99.1
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26 Apr 21
Results of Operations and Financial Condition
4:13pm
8-K
EX-99.1
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8 Apr 21
Regulation FD Disclosure
4:48pm
8-K
EX-99.1
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23 Mar 21
PQ Group Holdings Announces Planned Chief Financial Officer Transition
4:33pm
8-K
EX-99.1
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9 Mar 21
Achieved Significant Milestones on Strategic Transformation to a Pure-Play Catalyst and Services Company
6:23am
8-K
EX-99.1
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4 Mar 21
Entry into a Material Definitive Agreement
4:37pm
8-K
EX-99.1
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10 Nov 20
Regulation FD Disclosure
8:06am
8-K
EX-99.1
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30 Oct 20
Continued Solid Execution While Advancing Portfolio Strategy
6:23am
8-K
EX-99.1
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16 Oct 20
Entry into a Material Definitive Agreement
9:20am
8-K
EX-99.1
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30 Jul 20
Results of Operations and Financial Condition
6:20am
8-K
EX-99.1
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28 May 20
Regulation FD Disclosure
7:15am