Western Midstream Partners, LP SEC filings WES
Western Midstream Partners, LP has 684 filings in SEC EDGAR's recent list, going back to May 8, 2008. Its latest annual report, Form 10-K, was filed on Feb 18, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 29, 2026 | Oct 28, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 7, 2026 | — |
| 4 | Insider transaction | Aug 12, 2026 | Aug 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 9, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 8, 2026 | — |
| 4 | Insider transaction | Mar 12, 2026 | Mar 11, 2026 |
| 4/A | Form 4/a | Feb 19, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 5, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 21, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 6, 2026 | — |
| 4 | Insider transaction | Oct 29, 2025 | Oct 28, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 9, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 3 | Initial insider ownership | May 19, 2025 | May 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 9, 2025 | — |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| 144 | Notice of proposed sale | Nov 27, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| 4 | Insider transaction | Oct 30, 2024 | Oct 28, 2024 |
| 4 | Insider transaction | Aug 16, 2024 | Aug 14, 2024 |
| 4 | Insider transaction | Aug 16, 2024 | Aug 14, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 14, 2024 | — |
| 4 | Insider transaction | May 20, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 6, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Feb 29, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Feb 29, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2024 | — |
| 4 | Insider transaction | Sep 22, 2023 | Sep 21, 2023 |
| 4 | Insider transaction | Sep 14, 2023 | Sep 12, 2023 |
| 4 | Insider transaction | Sep 14, 2023 | Sep 12, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 14, 2023 | — |
| 3 | Initial insider ownership | May 9, 2023 | May 1, 2023 |
| 4 | Insider transaction | Feb 15, 2023 | Feb 13, 2023 |
| 4 | Insider transaction | Feb 15, 2023 | Feb 13, 2023 |
| 4 | Insider transaction | Feb 15, 2023 | Feb 13, 2023 |
| 4 | Insider transaction | Feb 15, 2023 | Feb 13, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| 4 | Insider transaction | Feb 14, 2023 | Feb 12, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 4 | Insider transaction | Nov 16, 2022 | Nov 14, 2022 |
| 3 | Initial insider ownership | Oct 11, 2022 | Oct 3, 2022 |
| 4 | Insider transaction | Aug 29, 2022 | Aug 29, 2022 |
| 3 | Initial insider ownership | Aug 29, 2022 | Aug 29, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 12, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 12, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 12, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 12, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 8, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 26, 2022 | — |
| 4 | Insider transaction | Jul 25, 2022 | Jul 21, 2022 |
| 4 | Insider transaction | Jul 25, 2022 | Jul 21, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 17, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 4, 2022 | May 2, 2022 |
| 3 | Initial insider ownership | May 4, 2022 | May 2, 2022 |
| 4 | Insider transaction | Feb 16, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Feb 16, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Feb 16, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Feb 16, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Feb 16, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 12, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2022 | — |
| 3 | Initial insider ownership | Dec 29, 2021 | Dec 17, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 20, 2021 | — |
| 4 | Insider transaction | Dec 15, 2021 | Dec 13, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 13, 2021 |
| 4 | Insider transaction | Nov 16, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 16, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 16, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 16, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 16, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 16, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | May 18, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 18, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 18, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 18, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 18, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 18, 2021 | May 14, 2021 |
| 4 | Insider transaction | May 18, 2021 | May 14, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 2, 2021 | — |
| 4 | Insider transaction | Mar 29, 2021 | Mar 25, 2021 |
| 4 | Insider transaction | Mar 29, 2021 | Mar 25, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 22, 2021 | Feb 18, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 12, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| 3 | Initial insider ownership | Dec 22, 2020 | Dec 15, 2020 |
| 4 | Insider transaction | Nov 17, 2020 | Nov 13, 2020 |
| 4 | Insider transaction | Nov 17, 2020 | Nov 13, 2020 |
| 4 | Insider transaction | Nov 17, 2020 | Nov 13, 2020 |
| 4 | Insider transaction | Nov 17, 2020 | Nov 13, 2020 |
| 4 | Insider transaction | Nov 17, 2020 | Nov 13, 2020 |
| 4 | Insider transaction | Nov 17, 2020 | Nov 13, 2020 |
| 4/A | Primary document | Nov 17, 2020 | May 14, 2020 |
| 4 | Insider transaction | Sep 24, 2020 | Sep 23, 2020 |
| 4 | Insider transaction | Sep 24, 2020 | Sep 23, 2020 |
| 4 | Insider transaction | Sep 24, 2020 | Sep 23, 2020 |
| 3 | Initial insider ownership | Sep 21, 2020 | Sep 11, 2020 |
| 3 | Initial insider ownership | Sep 21, 2020 | Sep 11, 2020 |
| 3 | Initial insider ownership | Sep 21, 2020 | Sep 11, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 17, 2020 | — |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 4 | Insider transaction | Aug 17, 2020 | Aug 13, 2020 |
| 4 | Insider transaction | Aug 17, 2020 | Aug 13, 2020 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Natural Gas Transmission (SIC 4922)
- Listed as
- WES (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- The Woodlands, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1423902
- Former names
- Western Gas Equity Partners, LP (until Feb 20, 2019); WGR Holdings LLC (until Oct 18, 2012)
Other Natural Gas Transmission companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.