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Case

HF Sinclair

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Case Number: 27-CA-377334

Date Filed: 12/15/2025

Status: Open

Location: Cheyenne, WY

Region Assigned: Region 27, Denver, Colorado

Docket Activity

Date	Document	Issued/Filed By
12/16/2025	Signed Charge Against Employer*	Charging Party

The Docket Activity list does not reflect all actions in this case.

* This document may require redactions before it can be viewed. To obtain a copy, please file a request through our FOIA Branch.

Related Documents

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Allegations

8(a)(5) Refusal to Furnish Information

Participants

Participant	Address	Phone
Charging Party Union United Steelworkers Local 11-574	Green River, WY 82935

Charged Party / Respondent Employer HF Sinclair	Cheyenne, WY 82007

Related Cases

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