Westlake Chemical Partners LP SEC EDGAR Filings (CIK 0001604665)

SEC EDGAR filings, ownership reports, and insider transactions for Westlake Chemical Partners LP.

Symbol
WLKP on NYSE
Industry
Industrial Organic Chemicals (Industrial Applications And Services)
Business address
2801 Post Oak Boulevard, Suite 600, Houston, TX, 77056
State of incorporation
DE
Fiscal year end
31 December
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Westlake Chemical Partners LP has filed 401 SEC EDGAR filings since 29 Apr 2014

Latest Filings

Recent SEC filings for Westlake Chemical Partners LP including 10-K, S-3, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 04 Mar 2026 31 Dec 2025 001-36567
S-3 Open S-3 document | Open XBRL data View SEC filing for S-3 S-3 04 Mar 2026 333-294019
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Feb 2026 24 Feb 2026 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Feb 2026 18 Feb 2026 001-36567
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 17 Feb 2026 005-88276
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Oct 2025 30 Sep 2025 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Oct 2025 30 Oct 2025 001-36567
4 Open 4 document View SEC filing for 4 4 29 Aug 2025 27 Aug 2025
4 Open 4 document View SEC filing for 4 4 28 Aug 2025 27 Nov 2024
4/A Open 4/A document View SEC filing for 4/A 4/A 28 Aug 2025 28 Aug 2024
144 Open 144 document View SEC filing for 144 15 Aug 2025 001-36567
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Aug 2025 005-88276
4 Open 4 document View SEC filing for 4 4 08 Aug 2025 06 Aug 2025
4 Open 4 document View SEC filing for 4 4 08 Aug 2025 06 Aug 2025
4 Open 4 document View SEC filing for 4 4 08 Aug 2025 06 Aug 2025
3 Open 3 document View SEC filing for 3 3 07 Aug 2025 06 Aug 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Aug 2025 30 Jun 2025 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Aug 2025 05 Aug 2025 001-36567
4 Open 4 document View SEC filing for 4 4 30 May 2025 29 May 2025
4 Open 4 document View SEC filing for 4 4 29 May 2025 27 May 2025
144 Open 144 document View SEC filing for 144 27 May 2025 001-36567
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 May 2025 005-88276
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 May 2025 31 Mar 2025 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2025 02 May 2025 001-36567
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 05 Mar 2025 31 Dec 2024 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Feb 2025 24 Feb 2025 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2024 30 Sep 2024 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Nov 2024 05 Nov 2024 001-36567
4 Open 4 document View SEC filing for 4 4 03 Sep 2024 29 Aug 2024
4 Open 4 document View SEC filing for 4 4 28 Aug 2024 26 Aug 2024
4 Open 4 document View SEC filing for 4 4 26 Aug 2024 22 Aug 2024
4 Open 4 document View SEC filing for 4 4 14 Aug 2024 12 Aug 2024
4 Open 4 document View SEC filing for 4 4 12 Aug 2024 09 Aug 2024
4 Open 4 document View SEC filing for 4 4 12 Aug 2024 09 Aug 2024
4 Open 4 document View SEC filing for 4 4 12 Aug 2024 09 Aug 2024
4 Open 4 document View SEC filing for 4 4 12 Aug 2024 09 Aug 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2024 30 Jun 2024 001-36567
4 Open 4 document View SEC filing for 4 4 08 Aug 2024 07 Aug 2024
4 Open 4 document View SEC filing for 4 4 08 Aug 2024 07 Aug 2024
4 Open 4 document View SEC filing for 4 4 08 Aug 2024 07 Aug 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2024 06 Aug 2024 001-36567
3 Open 3 document View SEC filing for 3 3 15 Jul 2024 15 Jul 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Jul 2024 15 Jul 2024 001-36567
4 Open 4 document View SEC filing for 4 4 03 Jun 2024 30 May 2024
4 Open 4 document View SEC filing for 4 4 14 May 2024 10 May 2024
4 Open 4 document View SEC filing for 4 4 13 May 2024 10 May 2024
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 10 May 2024 333-198233
4 Open 4 document View SEC filing for 4 4 10 May 2024 08 May 2024
3 Open 3 document View SEC filing for 3 3 09 May 2024 08 May 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 May 2024 08 May 2024 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 May 2024 31 Mar 2024 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 May 2024 01 May 2024 001-36567
4 Open 4 document View SEC filing for 4 4 01 Apr 2024 28 Mar 2024
4 Open 4 document View SEC filing for 4 4 25 Mar 2024 21 Mar 2024
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 18 Mar 2024 001-36567
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENTS 18 Mar 2024 08 May 2024 001-36567
4 Open 4 document View SEC filing for 4 4 07 Mar 2024 06 Mar 2024
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 28 Feb 2024 31 Dec 2023 001-36567
4 Open 4 document View SEC filing for 4 4 26 Feb 2024 22 Feb 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Feb 2024 20 Feb 2024 001-36567
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 14 Feb 2024 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 12 Feb 2024 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 07 Feb 2024 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Nov 2023 09 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Nov 2023 06 Nov 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Nov 2023 30 Sep 2023 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Nov 2023 02 Nov 2023 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Aug 2023 29 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Aug 2023 22 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Aug 2023 21 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Aug 2023 17 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Aug 2023 15 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Aug 2023 09 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Aug 2023 09 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Aug 2023 09 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Aug 2023 09 Aug 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Aug 2023 07 Aug 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2023 30 Jun 2023 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2023 03 Aug 2023 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 May 2023 10 May 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 May 2023 31 Mar 2023 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 May 2023 04 May 2023 001-36567
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 28 Apr 2023 27 Apr 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Apr 2023 27 Apr 2023 001-36567
EFFECT Open EFFECT document View SEC filing for EFFECT 20 Mar 2023 333-270176
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2023 13 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2023 10 Mar 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Mar 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Mar 2023 03 Mar 2023 001-36567
S-3 Open S-3 document View SEC filing for S-3 S-3 01 Mar 2023 333-270176
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Mar 2023 31 Dec 2022 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Feb 2023 21 Feb 2023 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 10 Feb 2023 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 23 Jan 2023 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 11 Jan 2023 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2022 15 Nov 2022
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2022 10 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2022 30 Sep 2022 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Nov 2022 03 Nov 2022 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 12 Aug 2022 10 Aug 2022
4 Open 4 document View SEC filing for 4 FORM 4 12 Aug 2022 10 Aug 2022
4 Open 4 document View SEC filing for 4 FORM 4 12 Aug 2022 10 Aug 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2022 30 Jun 2022 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Aug 2022 02 Aug 2022 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Jul 2022 12 Jul 2022 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2022 09 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 02 Jun 2022 31 May 2022
144 Open 144 document View SEC filing for 144 FORM 144 31 May 2022 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 May 2022 31 Mar 2022 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 May 2022 03 May 2022 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2022 08 Mar 2022
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2022 07 Mar 2022
3 Open 3 document View SEC filing for 3 FORM 3 02 Mar 2022 01 Mar 2022
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 02 Mar 2022 31 Dec 2021 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Feb 2022 22 Feb 2022 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 11 Feb 2022 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED SCHEDULE 13G 28 Jan 2022 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 21 Jan 2022 005-88276
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2021 30 Sep 2021 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Nov 2021 02 Nov 2021 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2021 11 Aug 2021
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2021 11 Aug 2021
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2021 11 Aug 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Aug 2021 30 Jun 2021 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2021 03 Aug 2021 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 14 May 2021 14 May 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 May 2021 31 Mar 2021 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 May 2021 04 May 2021 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2021 05 Mar 2021
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 02 Mar 2021 31 Dec 2020 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Feb 2021 23 Feb 2021 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 16 Feb 2021 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 16 Feb 2021 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 12 Feb 2021 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A JANUS HENDERSON GROUP PLC OWNS 3.3% 11 Feb 2021 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 15 Jan 2021 005-88276
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 11 Jan 2021 005-88276
3 Open 3 document View SEC filing for 3 FORM 3 04 Jan 2021 01 Jan 2021
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2020 12 Nov 2020
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2020 11 Nov 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Nov 2020 30 Sep 2020 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Nov 2020 03 Nov 2020 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Sep 2020 08 Sep 2020 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Aug 2020 27 Aug 2020 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 17 Aug 2020 14 Aug 2020
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2020 12 Aug 2020
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2020 12 Aug 2020
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2020 12 Aug 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Aug 2020 30 Jun 2020 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2020 06 Aug 2020 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 15 May 2020 14 May 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 May 2020 31 Mar 2020 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 May 2020 04 May 2020 001-36567
EFFECT Open EFFECT document View SEC filing for EFFECT 16 Apr 2020 333-236768
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Apr 2020
3 Open 3 document View SEC filing for 3 FORM 3 31 Mar 2020 31 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 25 Mar 2020 24 Mar 2020
3 Open 3 document View SEC filing for 3 FORM 3 25 Mar 2020 24 Mar 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Mar 2020 24 Mar 2020 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 24 Mar 2020 23 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 23 Mar 2020 23 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 23 Mar 2020 23 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 23 Mar 2020 20 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 20 Mar 2020 20 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 20 Mar 2020 19 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 19 Mar 2020 18 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 18 Mar 2020 18 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 18 Mar 2020 17 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 17 Mar 2020 16 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2020 13 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2020 12 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2020 12 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 12 Mar 2020 10 Mar 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Mar 2020
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 Mar 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Mar 2020
S-3 Open S-3 document View SEC filing for S-3 S-3 28 Feb 2020 333-236768
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 28 Feb 2020 31 Dec 2019 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Feb 2020 13 Feb 2020 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Feb 2020 18 Feb 2020 001-36567
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 14 Feb 2020 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A JANUS HENDERSON GROUP PLC OWNS 5.4% OF WESTLAKE 14 Feb 2020 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SEC SCHEDULE 13G 12 Feb 2020 005-88276
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Jan 2020 27 Jan 2020 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 27 Jan 2020 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 15 Nov 2019 15 Nov 2019
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2019 14 Nov 2019
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2019 12 Nov 2019
3 Open 3 document View SEC filing for 3 FORM 3 12 Nov 2019 08 Nov 2019
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 08 Nov 2019 08 Nov 2019 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2019 30 Sep 2019 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Nov 2019 05 Nov 2019 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 17 Oct 2019 11 Oct 2019 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2019 19 Aug 2019
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2019 19 Aug 2019
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2019 14 Aug 2019
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2019 14 Aug 2019
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2019 14 Aug 2019
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Aug 2019 30 Jun 2019 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Aug 2019 06 Aug 2019 001-36567
SC 13G Open SC 13G document View SEC filing for SC 13G SEC SCHEDULE 13G 10 Jun 2019 005-88276
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 May 2019 31 Mar 2019 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 02 May 2019 02 May 2019 001-36567
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Apr 2019 333-230611
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Apr 2019
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Apr 2019
SC 13D Open SC 13D document View SEC filing for SC 13D 08 Apr 2019 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2019 29 Mar 2019
S-3 Open S-3 document View SEC filing for S-3 FORM S-3 29 Mar 2019 333-230611
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Mar 2019 29 Mar 2019 001-36567
8-K/A Open 8-K/A document View SEC filing for 8-K/A 8-K/A 27 Mar 2019 26 Mar 2019 001-36567
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 Mar 2019 26 Mar 2019 001-36567
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Mar 2019 31 Dec 2018 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 19 Feb 2019 19 Feb 2019 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO.1 TO SCHEDULE 13G 14 Feb 2019 005-88276
SC 13G Open SC 13G document View SEC filing for SC 13G JANUS HENDERSON GROUP PLC OWNS 5.5% OF WESTLAKE 13 Feb 2019 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2019 005-88276
SC 13G Open SC 13G document View SEC filing for SC 13G 06 Feb 2019
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Jan 2019 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2018 30 Nov 2018
4 Open 4 document View SEC filing for 4 FORM 4 26 Nov 2018 26 Nov 2018
4 Open 4 document View SEC filing for 4 FORM 4 20 Nov 2018 19 Nov 2018
4 Open 4 document View SEC filing for 4 FORM 4 19 Nov 2018 15 Nov 2018
4 Open 4 document View SEC filing for 4 FORM 4 15 Nov 2018 13 Nov 2018
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2018 12 Nov 2018
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2018 12 Nov 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2018 30 Sep 2018 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Nov 2018 06 Nov 2018 001-36567
424B5 Open 424B5 document View SEC filing for 424B5 424B5 05 Oct 2018 333-216617
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Oct 2018 04 Oct 2018 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 20 Aug 2018 16 Aug 2018
4 Open 4 document View SEC filing for 4 FORM 4 20 Aug 2018 16 Aug 2018
4 Open 4 document View SEC filing for 4 FORM 4 20 Aug 2018 16 Aug 2018
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2018 15 Aug 2018
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2018 15 Aug 2018
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2018 15 Aug 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Aug 2018 30 Jun 2018 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Aug 2018 02 Aug 2018 001-36567
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 30 Jul 2018 27 Jul 2018 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2018 31 Mar 2018 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 03 May 2018 03 May 2018 001-36567
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 03 Apr 2018 005-88276
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 03 Apr 2018 005-88276
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 23 Mar 2018 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2018 06 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2018 02 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2018 01 Mar 2018
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2018 01 Mar 2018
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Mar 2018 31 Dec 2017 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2018 27 Feb 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Feb 2018 20 Feb 2018 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2018 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2018 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G 05 Feb 2018 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 30 Jan 2018 30 Jan 2018
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 26 Jan 2018 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 05 Dec 2017 04 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 29 Nov 2017 28 Nov 2017
4 Open 4 document View SEC filing for 4 FORM 4 28 Nov 2017 24 Nov 2017
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 28 Nov 2017 22 Nov 2017
4 Open 4 document View SEC filing for 4 FORM 4 27 Nov 2017 22 Nov 2017
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Nov 2017 16 Nov 2017 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2017 07 Aug 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2017 30 Sep 2017 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Nov 2017 07 Nov 2017 001-36567
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 26 Oct 2017 16 Oct 2017
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 26 Oct 2017 16 Oct 2017
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 26 Oct 2017 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G 06 Oct 2017 005-88276
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Oct 2017 29 Sep 2017 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Sep 2017 26 Sep 2017 001-36567
424B5 Open 424B5 document View SEC filing for 424B5 424B5 28 Sep 2017 333-216617
424B5 Open 424B5 document View SEC filing for 424B5 424B5 26 Sep 2017 333-216617
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 26 Sep 2017 26 Sep 2017 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Aug 2017 30 Aug 2017
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2017 20 Aug 2017
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2017 16 Aug 2017
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2017 16 Aug 2017
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2017 16 Aug 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2017 30 Jun 2017 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2017 03 Aug 2017 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2017 31 Mar 2017 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 02 May 2017 02 May 2017 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 24 Apr 2017 005-88276
EFFECT Open EFFECT document View SEC filing for EFFECT 24 Mar 2017 333-216617
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Mar 2017
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Mar 2017
S-3 Open S-3 document View SEC filing for S-3 S-3 10 Mar 2017 333-216617
4 Open 4 document View SEC filing for 4 FORM 4 10 Mar 2017 09 Mar 2017
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2017 07 Mar 2017
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 07 Mar 2017 31 Dec 2016 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Feb 2017 21 Feb 2017 001-36567
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G/A 14 Feb 2017 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G AMENDMENT NO. 2 13 Feb 2017 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 10 Feb 2017 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G 25 Jan 2017 005-88276
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 24 Jan 2017 24 Jan 2017 001-36567
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Jan 2017 23 Jan 2017 001-36567
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 20 Jan 2017 20 Jan 2017 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 02 Dec 2016 30 Nov 2016
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Nov 2016
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Nov 2016
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 Nov 2016
4 Open 4 document View SEC filing for 4 FORM 4 17 Nov 2016 15 Nov 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2016 30 Sep 2016 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Nov 2016 08 Nov 2016 001-36567
3 Open 3 document View SEC filing for 3 FORM 3 12 Oct 2016 07 Oct 2016
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 11 Oct 2016 06 Oct 2016 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 23 Aug 2016 19 Aug 2016
4 Open 4 document View SEC filing for 4 FORM 4 23 Aug 2016 19 Aug 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2016 30 Jun 2016 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Jul 2016 28 Jul 2016 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 May 2016 31 Mar 2016 001-36567
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 May 2016 03 May 2016 001-36567
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 08 Mar 2016 31 Dec 2015 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 23 Feb 2016 23 Feb 2016 001-36567
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 16 Feb 2016 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A NONE 16 Feb 2016 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G AMENDMENT NO. 1 12 Feb 2016 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2016 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G 09 Feb 2016 005-88276
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 05 Feb 2016 005-88276
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 07 Jan 2016 005-88276
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Nov 2015 30 Sep 2015 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 03 Nov 2015 03 Nov 2015 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2015 19 Aug 2015
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2015 19 Aug 2015
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2015 19 Aug 2015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Aug 2015 30 Jun 2015 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Aug 2015 04 Aug 2015 001-36567
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 21 May 2015 005-88276
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 May 2015 31 Mar 2015 001-36567
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 May 2015 05 May 2015 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 04 May 2015 04 May 2015 001-36567
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 30 Apr 2015 29 Apr 2015 001-36567
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 09 Mar 2015 31 Dec 2014 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 24 Feb 2015 24 Feb 2015 001-36567
SC 13G Open SC 13G document View SEC filing for SC 13G NONE 17 Feb 2015 005-88276
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 13 Feb 2015 005-88276
SC 13G Open SC 13G document View SEC filing for SC 13G 13 Feb 2015 005-88276
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2015 30 Jan 2015
3 Open 3 document View SEC filing for 3 FORM 3 02 Feb 2015 30 Jan 2015
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jan 2015 27 Jan 2015 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2014 30 Sep 2014 001-36567
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Nov 2014 04 Nov 2014 001-36567
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Sep 2014 30 Jun 2014 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2014 20 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2014 20 Aug 2014
S-8 Open S-8 document View SEC filing for S-8 S-8 19 Aug 2014 333-198233
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 11 Aug 2014 005-88276
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Aug 2014 04 Aug 2014 001-36567
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2014 04 Aug 2014
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Aug 2014 29 Jul 2014 001-36567
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 01 Aug 2014 001-36567
424B1 Open 424B1 document View SEC filing for 424B1 424B1 31 Jul 2014 333-195551
EFFECT Open EFFECT document View SEC filing for EFFECT 29 Jul 2014 333-195551
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
3 Open 3 document View SEC filing for 3 FORM 3 29 Jul 2014 29 Jul 2014
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 29 Jul 2014 333-195551
CERTNYS Open CERTNYS document View SEC filing for CERTNYS AUTO-GENERATED PAPER DOCUMENT 28 Jul 2014 001-36567
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Jul 2014
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Jul 2014
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Jul 2014
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 24 Jul 2014 001-36567
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Jul 2014
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Jul 2014
CORRESP Open CORRESP document View SEC filing for CORRESP 21 Jul 2014
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 21 Jul 2014 333-195551
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 Jul 2014
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Jul 2014
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 15 Jul 2014 333-195551
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 09 Jul 2014 333-195551
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Jun 2014
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 30 Jun 2014 333-195551
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 20 Jun 2014
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Jun 2014
S-1/A Open S-1/A document View SEC filing for S-1/A FORM S-1/A 06 Jun 2014 333-195551
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 May 2014
S-1 Open S-1 document View SEC filing for S-1 FORM S-1 29 Apr 2014 333-195551

About this filer

Westlake Chemical Partners LP files with the SEC under CIK 0001604665. This page aggregates EDGAR filings and related ownership activity.

Industry: Industrial Organic Chemicals.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.

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