Welcome to our dedicated page for Western Midstream Partners Lp SEC filings (Ticker: WES), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Western Midstream Partners, LP (WES) SEC filings page on Stock Titan provides access to the partnership’s regulatory disclosures, including current reports, registration statements, and other documents filed with the U.S. Securities and Exchange Commission. These filings offer detailed information on WES’s midstream operations, financing activities, and significant transactions.
Recent Form 8-K filings illustrate how WES uses SEC reports to document material events. An 8-K dated October 15, 2025, describes the completion of WES’s transaction with Aris Water Solutions, Inc., outlining the merger structure, the forms of consideration available to Aris securityholders, and the total cash and common units issued. Another 8-K dated December 4, 2025, details the issuance by Western Midstream Operating, LP of 4.800% Senior Notes due 2031 and 5.500% Senior Notes due 2035, including key terms of the notes, the governing indenture, and the intended use of proceeds.
Additional 8-K filings cover topics such as results of operations and financial condition, where WES furnishes press releases announcing quarterly results and references slide presentations made available on its website. Other filings describe entry into material definitive agreements, including the Agreement and Plan of Merger with Aris and related support agreements, as well as amendments to partnership and financing arrangements.
On this page, Stock Titan pairs WES’s raw SEC documents with AI-powered summaries that explain the main points of each filing in plain language. Users can quickly see how new senior notes affect the capital structure, how mergers and acquisitions are structured, and what key terms appear in indentures and merger agreements. Real-time updates from EDGAR, combined with simplified explanations of forms such as 8-K and registration statements, help investors and researchers understand Western Midstream’s regulatory disclosures without reading every page of each filing.
Western Midstream Partners SVP & COO Daniel P. Holderman reported a series of equity compensation events on February 12, 2026. Multiple phantom and performance unit awards were exercised into WES common units at $0 exercise price, with portions of the resulting units disposed of at $42.35 per unit to cover tax withholding. After these transactions, he directly owned 91,384 common units. He also received new derivative awards, including 35,419 2026 phantom units and 17,710 each of 2026 TUR and ROA performance units, which can ultimately settle in common units or cash based on future performance and vesting conditions.
Western Midstream Partners executive Catherine A. Green, SVP & Chief Accounting Officer, reported multiple equity compensation transactions in common units on February 12, 2026. She acquired WES common units through the exercise and conversion of previously granted phantom and performance units at an exercise price of $0 per unit, then had a portion of those units disposed of under code "F" to cover tax liabilities at prices including $42.35 per unit.
Following these transactions, she directly held 115,036 common units. Green also received new awards of 23,613 2026 Phantom Units and 11,806 each of 2026 Performance Units (TUR and ROA), which can convert into common units (or cash) depending on time-based vesting and three-year performance goals that can result in between 0% and 200% payout per unit.
Western Midstream Partners’ SVP & Chief Financial Officer Kristen S. Shults reported multiple equity award activities dated February 12, 2026. She exercised previously granted phantom and performance units into WES common units and had a portion of those units withheld to cover tax obligations at a price of $42.35 per unit. Shults also received new long-term incentives, including 35,419 2026 Phantom Units and 17,710 units each of 2026 Performance Unit awards tied to total unitholder return and return on assets. Following these transactions, she continues to hold a substantial direct position in WES common units and a mix of outstanding phantom and performance-based derivative awards that vest over multi-year periods based on continued service and pre-established performance metrics.
Western Midstream Partners (WES) reported that Western Gas Resources, Inc. transferred and surrendered 15,307,402 common units representing limited partner interests to the partnership on February 3, 2026 under a Unit Redemption Agreement tied to amendments of operating agreements.
Following this redemption, Western Gas Resources, Inc. holds 140,912,118 common units, APC Midstream Holdings, LLC holds 457,849 common units and Anadarko USH1 Corporation holds 9,004,209 common units.
The filing explains that these entities, along with several Anadarko and OXY subsidiaries, are all direct or indirect wholly owned subsidiaries of Occidental Petroleum Corporation, which remains a 10% owner of WES through this ownership chain.
Western Gas Resources, Inc., an Occidental Petroleum affiliate, transferred and surrendered 15,307,402 common units of Western Midstream Partners to the partnership on February 3, 2026 under a Unit Redemption Agreement tied to amendments of operating agreements.
After this transaction, WGRI holds 140,912,118 common units, APC Midstream Holdings, LLC holds 457,849 common units, and Anadarko USH1 Corporation holds 9,004,209 common units, all through a chain of entities that are wholly owned, directly or indirectly, by Occidental.
Occidental Petroleum and its affiliates have updated their ownership disclosure for Western Midstream Partners. They report beneficial ownership of 150,374,176 common units, representing 38.3% of Western Midstream’s outstanding common units as of October 31, 2025.
The filing explains that these units are held through several subsidiaries, primarily Western Gas Resources, Inc., APC Midstream Holdings, LLC and Anadarko USH1 Corporation. On February 3, 2026, Western Gas Resources, Inc. transferred and surrendered 15,307,402 common units to Western Midstream in connection with the closing of a previously disclosed Unit Redemption Agreement, and no other transactions in the units are reported since the prior amendment.
Western Midstream Partners, LP reported that its subsidiary Delaware Basin Midstream LLC amended a major Delaware Basin gas gathering agreement with Anadarko E&P Onshore LLC, a subsidiary of Occidental Petroleum. The amendment replaces the prior cost-of-service fee structure with a fixed-fee structure, adds a new minimum volume commitment through the end of 2027, and updates how certain dedication-related acreage transfers and releases are handled.
In connection with this amendment and related transactions, Western Midstream and subsidiaries of Occidental entered into a Unit Redemption Agreement. Under this agreement, Western Midstream will acquire and redeem approximately 15.3 million WES common units on February 3, 2026. After these transactions, Occidental will indirectly hold 37.2% of Western Midstream’s outstanding common units while continuing to indirectly own all equity interests in the general partner. A special committee of independent directors reviewed and approved the agreements, which were then approved by the full board.
Western Midstream Partners, LP received an updated ownership disclosure from Occidental Petroleum and its affiliates through Amendment No. 8 to a Schedule 13D. The reporting group states that they beneficially own 165,681,578 common units, representing 40.6% of Western Midstream’s common units, based on 407,995,725 units outstanding as of October 31, 2025.
The amendment also describes a Unit Redemption Agreement dated January 16, 2026, under which Western Gas Resources, Inc. will transfer and surrender 15,307,402 common units to Western Midstream on February 3, 2026. This redemption is tied to amendments to key gas gathering and gas processing agreements that adjust minimum volume commitments, gathering fees, and rate structures, and add provisions for a related gathering, processing and treating agreement with an affiliate.
Western Midstream Partners LP reported that ALPS Advisors, Inc. and Alerian MLP ETF together have beneficial ownership of a significant block of its common units representing limited partner interests as of 12/31/2025. ALPS Advisors, Inc., a Colorado-based investment adviser, is reported as having beneficial ownership of 35,074,357 common units, representing 8.6% of the class, through funds it advises. Alerian MLP ETF, a Delaware investment company advised by ALPS, is reported as beneficially owning 34,658,430 common units, or 8.49% of the class.
Both ALPS Advisors and Alerian MLP ETF report shared voting and dispositive power over their respective positions and no sole voting or dispositive power. The securities are stated to be held in the ordinary course of business and not for the purpose of changing or influencing control of Western Midstream Partners.
Western Midstream Partners, LP, through subsidiary Western Midstream Operating, LP, completed a public debt offering of $600 million of 4.800% Senior Notes due 2031 and $600 million of 5.500% Senior Notes due 2035. The notes pay interest semi-annually and may be redeemed early at the applicable redemption prices set in the Indenture. They rank equally with WES Operating’s other senior debt and ahead of any future subordinated debt. The company plans to use the net proceeds to repay its 4.650% Senior Notes due 2026, reduce borrowings under its commercial paper program, including amounts used to fund the acquisition of Aris Water Solutions, Inc., and for general partnership purposes such as capital expenditures.