467 filings
Page 3 of 24
SD
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16 May 22
Conflict minerals disclosure
12:00am
8-K
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13 May 22
Submission of Matters to a Vote of Security Holders
4:35pm
8-K
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3 May 22
Westlake Corporation Reports Record First Quarter 2022 Results
7:34am
DEFA14A
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1 Apr 22
Additional proxy soliciting materials
9:03am
8-K
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22 Feb 22
Westlake Corporation Reports Record Fourth Quarter and Full Year 2021 Results
7:13am
8-K
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18 Feb 22
New name reflects the Company’s more diversified business portfolio stemming from recent acquisitions and overall organic and strategic growth
4:22pm
8-K
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1 Feb 22
Westlake Completes Acquisition of Epoxy Business
9:15am
8-K
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24 Nov 21
Westlake to Acquire Hexion’s Global Epoxy Business
7:47am
8-K
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2 Nov 21
Westlake Chemical Corporation Reports Third Quarter 2021 Results
7:36am
8-K
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1 Oct 21
Westlake Doubles its Portfolio in High-Growth
4:10pm
UPLOAD
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23 Sep 21
Letter from SEC
12:00am
CORRESP
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23 Sep 21
Correspondence with SEC
12:00am
UPLOAD
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20 Sep 21
Letter from SEC
12:00am
8-K
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19 Aug 21
NAPCO Pipe & Fittings Announces Completion of Acquisition of LASCO Fittings
4:06pm
8-K
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19 Aug 21
Entry into a Material Definitive Agreement
6:03am
424B5
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6 Aug 21
Prospectus supplement for primary offering
5:17pm