Western Midstream Partners's top three insider shareholders as of April 11, 2026 are Petroleum Corp /De/ Occidental (TenPercentOwner, 150.37Mn shares), Petroleum Corp /De/ Occidental (TenPercentOwner, 150.37Mn shares), Michael Ure (President Ceo, 539.40K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Petroleum Corp /De/ Occidental | - | 0 | 150,374,176 | 05 Feb, 2026 |
| Petroleum Corp /De/ Occidental | - | 0 | 150,374,176 | 05 Feb, 2026 |
| Michael Ure | President Ceo | 539,404 | 0 | 20 May, 2024 |
| Christopher B. Dial | Svp, Gc And Secretary | 225,015 | 0 | 19 Feb, 2026 |
| Robert W. Bourne | Svp Chief Commercial Officer | 149,715 | 0 | 14 Feb, 2025 |
| Kristen S. Shults | Svp Chief Financial Officer | 143,752 | 0 | 13 Feb, 2026 |
| Michael Ure | President Ceo | 125,405 | 0 | 16 Aug, 2022 |
| Catherine A. Green | Svp Chief Accounting Officer | 115,036 | 0 | 13 Feb, 2026 |
| Daniel P. Holderman | Svp Chief Operating Officer | 91,384 | 0 | 13 Feb, 2026 |
| Oscar K Brown | President Ceo | 85,440 | 0 | 13 Feb, 2026 |
| Craig W Collins | Svp Chief Operating Officer | 75,254 | 0 | 16 Aug, 2022 |
| Alejandro O Nebreda | Svp, Business Services | 64,357 | 0 | 14 Feb, 2024 |
| Michael S. Forsyth | Svp, North Operations | 42,327 | 0 | 14 Feb, 2025 |
| Kenneth F. Owen | - | 41,772 | 0 | 13 Feb, 2026 |
| David J Schulte | - | 40,072 | 0 | 13 Feb, 2026 |
| Lisa A Stewart | - | 39,772 | 0 | 13 Feb, 2026 |
| Robert W. Bourne | Svp Chief Commercial Officer | 34,770 | 0 | 16 Aug, 2022 |
| Christopher B. Dial | Svp, Gc And Secretary | 30,609 | 0 | 16 Aug, 2022 |
| David J Schulte | - | 19,554 | 0 | 15 Feb, 2022 |
| Charles G. Griffie | Svp, Ops And Engineering | 18,694 | 0 | 16 Nov, 2021 |
| Oscar K Brown | - | 17,115 | 0 | 15 Feb, 2022 |
| Lisa A Stewart | - | 15,054 | 0 | 15 Feb, 2022 |
| Kenneth F. Owen | - | 15,054 | 0 | 15 Feb, 2022 |
| Catherine A. Green | Vp Chief Accounting Officer | 13,005 | 0 | 16 Aug, 2022 |
| Robert G Phillips | - | 5,296 | 0 | 12 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 11 Mar, 2026 | Robert G Phillips | Common Units representing limited partner interests | A | 1,250 | $40.19 | 5,296 | D | P |
| 12 Feb, 2026 | Christopher B. Dial | Common Units representing limited partner interests | D | 5,879 | $42.35 | 225,015 | D | F |
| 12 Feb, 2026 | Daniel P. Holderman | Common Units representing limited partner interests | A | 10,819 | $0.00 | 46,567 | D | M |
| 12 Feb, 2026 | Lisa A Stewart | Common Units representing limited partner interests | A | 3,843 | $0.00 | 39,772 | D | M |
| 12 Feb, 2026 | Robert G Phillips | Common Units representing limited partner interests | A | 4,046 | $0.00 | 4,046 | D | M |
| 12 Feb, 2026 | Catherine A. Green | Common Units representing limited partner interests | A | 7,018 | $0.00 | 83,733 | D | M |
| 12 Feb, 2026 | Frederick A. Forthuber | Phantom Units | A | 3,778 | $0.00 | 3,778 | D | A |
| 12 Feb, 2026 | David J Schulte | Common Units representing limited partner interests | A | 3,843 | $0.00 | 40,072 | D | M |
| 12 Feb, 2026 | Kristen S. Shults | Common Units representing limited partner interests | A | 10,819 | $0.00 | 98,948 | D | M |
| 12 Feb, 2026 | Kenneth F. Owen | Common Units representing limited partner interests | A | 3,843 | $0.00 | 41,772 | D | M |
| 12 Feb, 2026 | Oscar K Brown | Common Units representing limited partner interests | A | 24,022 | $0.00 | 95,950 | D | M |
| 12 Feb, 2026 | Christopher B. Dial | Common Units representing limited partner interests | A | 10,819 | $0.00 | 180,208 | D | M |
| 12 Feb, 2026 | Kristen S. Shults | Common Units representing limited partner interests | D | 4,258 | $42.35 | 94,690 | D | F |
| 12 Feb, 2026 | Kenneth F. Owen | Phantom Units | D | 3,843 | $0.00 | 0 | D | M |
| 12 Feb, 2026 | Lisa A Stewart | Phantom Units | D | 3,843 | $0.00 | 0 | D | M |
| 12 Feb, 2026 | Christopher B. Dial | Common Units representing limited partner interests | D | 4,258 | $42.35 | 175,950 | D | F |
| 12 Feb, 2026 | Robert G Phillips | Phantom Units | D | 4,046 | $0.00 | 0 | D | M |
| 12 Feb, 2026 | Oscar K Brown | Common Units representing limited partner interests | D | 10,510 | $42.35 | 85,440 | D | F |
| 12 Feb, 2026 | David J Schulte | Phantom Units | A | 3,778 | $0.00 | 3,778 | D | A |
| 12 Feb, 2026 | Daniel P. Holderman | Common Units representing limited partner interests | D | 4,258 | $42.35 | 42,309 | D | F |