# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0001193125-25-318445
Filing Date
2025-12-15
Accepted
2025-12-15 07:30:27
Documents
20
Period of Report
2025-12-12
Items
Item 2.05: Cost Associated with Exit or Disposal Activities
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | d798286d8k.htm iXBRL | 8-K | 34560
2 | EX-99.1 | d798286dex991.htm | EX-99.1 | 12094
3 | EX-99.2 | d798286dex992.htm | EX-99.2 | 9955
8 | GRAPHIC | g798286dsp008.jpg | GRAPHIC | 353452
9 | GRAPHIC | g798286dsp009.jpg | GRAPHIC | 366559
10 | GRAPHIC | g798286dsp010.jpg | GRAPHIC | 256399
11 | GRAPHIC | g798286dsp011.jpg | GRAPHIC | 406832
12 | GRAPHIC | g798286dsp012.jpg | GRAPHIC | 487421
| Complete submission text file | 0001193125-25-318445.txt |  | 2795203

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA | wlk-20251212.xsd | EX-101.SCH | 3873
5 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | wlk-20251212_def.xml | EX-101.DEF | 13632
6 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | wlk-20251212_lab.xml | EX-101.LAB | 22583
7 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | wlk-20251212_pre.xml | EX-101.PRE | 14599
23 | EXTRACTED XBRL INSTANCE DOCUMENT | d798286d8k_htm.xml | XML | 5638

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056 713-960-9111
WESTLAKE CORP (Filer) CIK: 0001262823 (see all company filings)

EIN.: 760346924 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-32260 | Film No.: 251570022
SIC: 2860 Industrial Organic Chemicals
(CF Office: 08 Industrial Applications and Services)