WESTLAKE CORP — All Filings
1,007 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 |
|---|---|---|---|---|
| 4 | FORM 4 | 0001567619-20-020336 | Nov 25, 2020 | Nov 24, 2020 |
| 4 | FORM 4 | 0001567619-20-020236 | Nov 24, 2020 | Nov 23, 2020 |
| 8-K | 8-K | 0001193125-20-296942 | Nov 18, 2020 | — |
| 4 | FORM 4 | 0001567619-20-019004 | Nov 10, 2020 | Nov 6, 2020 |
| 4 | FORM 4 | 0001567619-20-018999 | Nov 10, 2020 | Nov 6, 2020 |
| 4 | FORM 4 | 0001567619-20-018814 | Nov 6, 2020 | Nov 5, 2020 |
| 10-Q | 10-Q | 0001262823-20-000043 | Nov 4, 2020 | Sep 30, 2020 |
| 8-K | 8-K | 0001262823-20-000041 | Nov 3, 2020 | — |
| 8-K | 8-K | 0001262823-20-000036 | Sep 21, 2020 | — |
| 8-K | 8-K | 0001262823-20-000033 | Sep 8, 2020 | — |
| 8-K | 8-K | 0001262823-20-000030 | Aug 28, 2020 | Aug 27, 2020 |
| 4/A | FORM 4/A | 0001567619-20-015789 | Aug 20, 2020 | Mar 13, 2020 |
| 4 | FORM 4 | 0001567619-20-015594 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015593 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015595 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015592 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015596 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015597 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015598 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015599 | Aug 17, 2020 | Aug 14, 2020 |
| 4 | FORM 4 | 0001567619-20-015600 | Aug 17, 2020 | Aug 14, 2020 |
| 8-K | 8-K | 0001262823-20-000024 | Aug 6, 2020 | — |
| 10-Q | 10-Q | 0001262823-20-000027 | Aug 6, 2020 | Jun 30, 2020 |
| 8-K | 8-K | 0001193125-20-192643 | Jul 14, 2020 | — |
| 8-K | 8-K | 0001193125-20-167137 | Jun 12, 2020 | — |
| 424B5 | 424B5 | 0001193125-20-165790 | Jun 10, 2020 | — |
| 8-K | 8-K | 0001193125-20-165799 | Jun 10, 2020 | Jun 9, 2020 |
| 424B5 | 424B5 | 0001193125-20-164273 | Jun 9, 2020 | — |
| FWP | FWP | 0001193125-20-164661 | Jun 9, 2020 | — |
| 8-K | 8-K | 0001262823-20-000020 | Jun 4, 2020 | — |
| SD | SD | 0001262823-20-000018 | May 22, 2020 | — |
| 8-K | 8-K | 0001193125-20-145075 | May 18, 2020 | May 15, 2020 |
| 3 | FORM 3 | 0001567619-20-010624 | May 18, 2020 | May 15, 2020 |
| 4 | FORM 4 | 0001567619-20-010625 | May 18, 2020 | May 15, 2020 |
| 10-Q | 10-Q | 0001262823-20-000015 | May 6, 2020 | Mar 31, 2020 |
| 8-K | 8-K | 0001262823-20-000013 | May 4, 2020 | — |
| 4 | FORM 4 | 0001567619-20-008720 | May 1, 2020 | Apr 30, 2020 |
| DEF 14A | DEF 14A | 0001564590-20-015141 | Apr 3, 2020 | May 15, 2020 |
| DEFA14A | DEFA14A | 0001564590-20-015145 | Apr 3, 2020 | — |
| 3 | FORM 3 | 0001567619-20-007206 | Mar 31, 2020 | — |
| 4 | FORM 4 | 0001567619-20-007143 | Mar 30, 2020 | Mar 27, 2020 |
| 4 | FORM 4 | 0001567619-20-007073 | Mar 27, 2020 | Mar 26, 2020 |
| 4 | FORM 4 | 0001567619-20-007010 | Mar 26, 2020 | Mar 25, 2020 |
| 4 | FORM 4 | 0001567619-20-006977 | Mar 25, 2020 | Mar 24, 2020 |
| 4 | FORM 4 | 0001567619-20-006808 | Mar 20, 2020 | Mar 19, 2020 |
| 8-K | 8-K | 0001193125-20-080669 | Mar 20, 2020 | — |
| 4 | FORM 4 | 0001567619-20-006727 | Mar 19, 2020 | Mar 18, 2020 |
| 4 | FORM 4 | 0001567619-20-006641 | Mar 18, 2020 | Mar 17, 2020 |
| 4 | FORM 4 | 0001567619-20-006510 | Mar 17, 2020 | Mar 16, 2020 |
| 4 | FORM 4 | 0001567619-20-006508 | Mar 17, 2020 | Mar 16, 2020 |