# Westlake Chemical Partners LP: filings

WLKP · NYSE · CIK 1604665 · [Materials](/sectors/materials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/wlkp.md) · [Financials](/companies/wlkp/financials.md) · [Filings](/companies/wlkp/filings.md) · [Insiders](/companies/wlkp/insiders.md)

## Reports and events: 143 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 141, 8-K 80, 10-Q 37, SC 13G/A 32, 3 25, CORRESP 16, 10-K 12, SC 13G 12, UPLOAD 11, EFFECT 6, S-1/A 6, S-3 5, 144 3, 424B5 3, SC 13D/A 3, 4/A 2, SC 13D 2, SCHEDULE 13G 2, 424B1 1, 8-A12B 1, 8-K/A 1, CERTNYS 1, CT ORDER 1, DEF 14A 1, DEFA14A 1, S-1 1, S-8 1, S-8 POS 1, SCHEDULE 13G/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-31 | 17:03 ET | [8-K](/filings/0001193125-26-377003.md) | 5.02 Departure or appointment of officers or directors | 0001193125-26-377003 |
| 2026-08-05 | 14:27 ET | [10-Q](/filings/0001604665-26-000027.md) | Quarterly report, period 2026-06-30 | 0001604665-26-000027 |
| 2026-08-04 | 07:27 ET | [8-K](/filings/0001604665-26-000022.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-26-000022 |
| 2026-05-06 | 13:49 ET | [10-Q](/filings/0001604665-26-000017.md) | Quarterly report, period 2026-03-31 | 0001604665-26-000017 |
| 2026-05-05 | 07:30 ET | [8-K](/filings/0001604665-26-000013.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-26-000013 |
| 2026-04-20 | 17:08 ET | [8-K](/filings/0001193125-26-164239.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-164239 |
| 2026-03-04 | 13:01 ET | [10-K](/filings/0001604665-26-000010.md) | Annual report, period 2025-12-31 | 0001604665-26-000010 |
| 2026-02-24 | 07:22 ET | [8-K](/filings/0001604665-26-000003.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-26-000003 |
| 2026-02-23 | 16:56 ET | [8-K](/filings/0001193125-26-064229.md) | 5.02 Departure or appointment of officers or directors | 0001193125-26-064229 |
| 2025-10-31 | 15:02 ET | [10-Q](/filings/0001604665-25-000042.md) | Quarterly report, period 2025-09-30 | 0001604665-25-000042 |
| 2025-10-30 | 07:33 ET | [8-K](/filings/0001604665-25-000038.md) | 1.01 Entry into a material agreement; 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-25-000038 |
| 2025-08-06 | 17:02 ET | [10-Q](/filings/0001604665-25-000034.md) | Quarterly report, period 2025-06-30 | 0001604665-25-000034 |
| 2025-08-05 | 07:25 ET | [8-K](/filings/0001604665-25-000029.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-25-000029 |
| 2025-05-02 | 15:18 ET | [10-Q](/filings/0001604665-25-000021.md) | Quarterly report, period 2025-03-31 | 0001604665-25-000021 |
| 2025-05-02 | 07:25 ET | [8-K](/filings/0001604665-25-000019.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-25-000019 |
| 2025-03-05 | 12:28 ET | [10-K](/filings/0001604665-25-000011.md) | Annual report, period 2024-12-31 | 0001604665-25-000011 |
| 2025-02-24 | 07:29 ET | [8-K](/filings/0001604665-25-000004.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-25-000004 |
| 2024-11-06 | 10:49 ET | [10-Q](/filings/0001604665-24-000037.md) | Quarterly report, period 2024-09-30 | 0001604665-24-000037 |
| 2024-11-05 | 07:26 ET | [8-K](/filings/0001604665-24-000034.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-24-000034 |
| 2024-08-09 | 12:31 ET | [10-Q](/filings/0001604665-24-000029.md) | Quarterly report, period 2024-06-30 | 0001604665-24-000029 |
| 2024-08-06 | 07:25 ET | [8-K](/filings/0001604665-24-000024.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-24-000024 |
| 2024-07-15 | 08:30 ET | [8-K](/filings/0001193125-24-178844.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-178844 |
| 2024-05-08 | 16:40 ET | [8-K](/filings/0001193125-24-134279.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-134279 |
| 2024-05-02 | 13:28 ET | [10-Q](/filings/0001604665-24-000018.md) | Quarterly report, period 2024-03-31 | 0001604665-24-000018 |
| 2024-05-01 | 07:27 ET | [8-K](/filings/0001604665-24-000015.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-24-000015 |
| 2024-03-18 | 11:18 ET | [DEF 14A](/filings/0001140361-24-013767.md) | Proxy statement, period 2024-05-08 | 0001140361-24-013767 |
| 2024-02-28 | 15:25 ET | [10-K](/filings/0001604665-24-000010.md) | Annual report, period 2023-12-31 | 0001604665-24-000010 |
| 2024-02-20 | 07:18 ET | [8-K](/filings/0001604665-24-000003.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-24-000003 |
| 2024-02-14 | 16:19 ET | [SC 13D/A](/filings/0000895345-24-000068.md) | Ownership report, active investor, amended | 0000895345-24-000068 |
| 2023-11-02 | 14:14 ET | [10-Q](/filings/0001604665-23-000033.md) | Quarterly report, period 2023-09-30 | 0001604665-23-000033 |
| 2023-11-02 | 07:29 ET | [8-K](/filings/0001604665-23-000030.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-23-000030 |
| 2023-08-03 | 15:12 ET | [10-Q](/filings/0001604665-23-000025.md) | Quarterly report, period 2023-06-30 | 0001604665-23-000025 |
| 2023-08-03 | 07:26 ET | [8-K](/filings/0001604665-23-000023.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-23-000023 |
| 2023-05-04 | 14:18 ET | [10-Q](/filings/0001604665-23-000017.md) | Quarterly report, period 2023-03-31 | 0001604665-23-000017 |
| 2023-05-04 | 07:26 ET | [8-K](/filings/0001604665-23-000015.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-23-000015 |
| 2023-04-27 | 16:27 ET | [8-K](/filings/0001193125-23-122287.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-23-122287 |
| 2023-03-07 | 17:01 ET | [8-K](/filings/0001193125-23-063058.md) | 5.02 Departure or appointment of officers or directors | 0001193125-23-063058 |
| 2023-03-01 | 12:00 ET | [10-K](/filings/0001604665-23-000009.md) | Annual report, period 2022-12-31 | 0001604665-23-000009 |
| 2023-02-21 | 07:52 ET | [8-K](/filings/0001604665-23-000004.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-23-000004 |
| 2022-11-03 | 14:41 ET | [10-Q](/filings/0001604665-22-000036.md) | Quarterly report, period 2022-09-30 | 0001604665-22-000036 |
| 2022-11-03 | 07:30 ET | [8-K](/filings/0001604665-22-000033.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-22-000033 |
| 2022-08-03 | 14:36 ET | [10-Q](/filings/0001604665-22-000026.md) | Quarterly report, period 2022-06-30 | 0001604665-22-000026 |
| 2022-08-02 | 07:38 ET | [8-K](/filings/0001604665-22-000023.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-22-000023 |
| 2022-07-15 | 16:30 ET | [8-K](/filings/0001193125-22-195001.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001193125-22-195001 |
| 2022-05-04 | 14:16 ET | [10-Q](/filings/0001604665-22-000017.md) | Quarterly report, period 2022-03-31 | 0001604665-22-000017 |
| 2022-05-03 | 07:34 ET | [8-K](/filings/0001604665-22-000015.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-22-000015 |
| 2022-03-02 | 12:46 ET | [10-K](/filings/0001604665-22-000009.md) | Annual report, period 2021-12-31 | 0001604665-22-000009 |
| 2022-02-22 | 07:14 ET | [8-K](/filings/0001604665-22-000005.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-22-000005 |
| 2021-11-03 | 13:31 ET | [10-Q](/filings/0001604665-21-000055.md) | Quarterly report, period 2021-09-30 | 0001604665-21-000055 |
| 2021-11-02 | 07:37 ET | [8-K](/filings/0001604665-21-000052.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604665-21-000052 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:14 ET. No prices; not investment advice.