| 2026-05-13 | WQXZ490 | IG | A | Williams MLP Operating, LLC |
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| 2024-03-19 | WQUD298 | MG | A | Williams MLP Operating, LLC |
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| 2024-03-19 | WQUD338 | MG | A | Williams MLP Operating, LLC |
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| 2019-09-30 | WQUK483 | IG | A | Williams MLP Operating, LLC |