# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0001262823-26-000008
Filing Date
2026-02-24
Accepted
2026-02-24 07:22:43
Documents
31
Period of Report
2026-02-24
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | wlk-20260224.htm iXBRL | 8-K | 29100
2 | EX-99.1 | ex991_20251231earningsrele.htm | EX-99.1 | 489024
3 | EX-99.2 | ex992_20251231wlkearning.htm | EX-99.2 | 28806
8 | GRAPHIC | ex992_20251231wlkearning001.jpg | GRAPHIC | 88653
9 | GRAPHIC | ex992_20251231wlkearning002.jpg | GRAPHIC | 179394
10 | GRAPHIC | ex992_20251231wlkearning003.jpg | GRAPHIC | 127424
11 | GRAPHIC | ex992_20251231wlkearning004.jpg | GRAPHIC | 180822
12 | GRAPHIC | ex992_20251231wlkearning005.jpg | GRAPHIC | 139574
13 | GRAPHIC | ex992_20251231wlkearning006.jpg | GRAPHIC | 132604
14 | GRAPHIC | ex992_20251231wlkearning007.jpg | GRAPHIC | 143326
15 | GRAPHIC | ex992_20251231wlkearning008.jpg | GRAPHIC | 153788
16 | GRAPHIC | ex992_20251231wlkearning009.jpg | GRAPHIC | 167245
17 | GRAPHIC | ex992_20251231wlkearning010.jpg | GRAPHIC | 115895
18 | GRAPHIC | ex992_20251231wlkearning011.jpg | GRAPHIC | 120141
19 | GRAPHIC | ex992_20251231wlkearning012.jpg | GRAPHIC | 106943
20 | GRAPHIC | ex992_20251231wlkearning013.jpg | GRAPHIC | 108563
21 | GRAPHIC | ex992_20251231wlkearning014.jpg | GRAPHIC | 65716
22 | GRAPHIC | ex992_20251231wlkearning015.jpg | GRAPHIC | 240216
23 | GRAPHIC | ex992_20251231wlkearning016.jpg | GRAPHIC | 43386
| Complete submission text file | 0001262823-26-000008.txt |  | 3661394

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wlk-20260224.xsd | EX-101.SCH | 2745
5 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wlk-20260224_def.xml | EX-101.DEF | 16119
6 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | wlk-20260224_lab.xml | EX-101.LAB | 29129
7 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wlk-20260224_pre.xml | EX-101.PRE | 16857
33 | EXTRACTED XBRL INSTANCE DOCUMENT | wlk-20260224_htm.xml | XML | 4468

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.: 26667517
SIC: 2860 Industrial Organic Chemicals
(CF Office: 08 Industrial Applications and Services)