WESTLAKE CORP — DEFA14A Filings
12 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by WESTLAKE CORP (WLK), sorted by most recent first. Each row links to the full filing on EdgarLookup. WESTLAKE CORP has filed 12 DEFA14A documents with the SEC since 2014. To view all SEC filings by WESTLAKE CORP, see the full filings list.
All
10-K
10-Q
144
3
3/A
4
4/A
424B4
424B5
425
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DEFC14A
DFAN14A
DFRN14A
EFFECT
FWP
POS AM
POSASR
PRE 14A
PREC14A
PRRN14A
PX14A6G
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13G
SC 13G/A
SC TO-C
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001193125-25-066319 | Mar 28, 2025 | — |
| DEFA14A | DEFA14A | 0001193125-24-081682 | Mar 29, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-087094 | Mar 31, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-092893 | Apr 1, 2022 | — |
| DEFA14A | DEFA14A | 0001193125-21-104590 | Apr 2, 2021 | — |
| DEFA14A | DEFA14A | 0001564590-20-015145 | Apr 3, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-19-098455 | Apr 5, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-18-109388 | Apr 6, 2018 | — |
| DEFA14A | DEFA14A | 0001193125-17-114930 | Apr 7, 2017 | — |
| DEFA14A | DEFA14A | 0001193125-16-525101 | Mar 31, 2016 | — |
| DEFA14A | DEFA14A | 0001193125-15-115560 | Apr 1, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-15-115550 | Apr 1, 2015 | — |