22 results
S-3ASR
WLK
Westlake Corporation
3 Nov 22
Automatic shelf registration
4:43pm
to respond to the challenges presented by the COVID-19 pandemic;
production capacities;
the impact of ongoing supply chain constraints and workforce
424B5
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10 Jun 20
Prospectus supplement for primary offering
5:10pm
424B5
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9 Jun 20
Prospectus supplement for primary offering
8:59am
8-K
EX-99.1
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7 Mar 13
Westlake Chemical Acquires CertainTeed's PVC Pipe, Fittings and Foundations Business
12:00am