Parr — Eighth Circuit upheld Union Pacific’s defense verdict on railroad retaliation claim

Case
Stephen Parr v. Union Pacific Railroad Company
Court
U.S. Court of Appeals for the Eighth Circuit
Judge
LOKEN; BENTON; ERICKSON
Date Decided
October 30, 2026
Docket No.
25-3379
Topics
Railroad Retaliation, Whistleblowers, Jury Instructions, Employment Law
Source
Read the full opinion

Background

Stephen Parr worked for Union Pacific Railroad Company and made numerous workplace-safety complaints through the company’s Safety Line and directly to local managers. After he began sending complaints by text and email to employees who were not his direct supervisors, a general manager instructed him to report safety concerns through Union Pacific’s Safety and Values Lines instead.

Parr subsequently filed Values-Line complaints alleging retaliation and ethics violations. Union Pacific investigated him for misusing that reporting system and disobeying management instructions, then terminated him after a disciplinary hearing for being quarrelsome, discourteous, and insubordinate. A Public Law Board reinstated him without backpay. Parr sued under the Federal Rail Safety Act, but a jury found that he had not established a prima facie retaliation claim, and the district court denied a new trial.

The Court’s Holding

The Eighth Circuit affirmed, holding that the district court did not abuse its discretion by instructing the jury that Parr had to prove Union Pacific “intentionally retaliated” against him, due in whole or in part to his protected activity. The panel declined to treat the Supreme Court’s Sarbanes-Oxley decision in Murray v. UBS Securities, LLC as overruling Eighth Circuit FRSA precedent because Murray addressed a different statute and was reconcilable with the circuit’s existing rule.

The court also upheld the instruction telling jurors not to decide whether Union Pacific’s actions were wise, reasonable, or fair. Eighth Circuit precedent had approved that generic business-judgment instruction in an FRSA case, and the instruction did not prevent consideration of pretext. Finally, the district court properly limited the relevant protected activity to Parr’s reports from December 2022 through February 2023 because that period was supported by the pleadings and trial evidence, while the record did not show that an earlier-report theory was tried by consent.

Key Takeaways

  • In the Eighth Circuit, an FRSA plaintiff must prove intentional retaliation prompted, at least in part, by protected activity.
  • A generic business-judgment instruction may be given in an FRSA retaliation trial and is compatible with a plaintiff’s pretext theory.
  • A court may limit the protected-activity period in its instructions when that limit reflects the pleadings and evidence and a broader theory was not tried by consent.

Why It Matters

The decision preserves the Eighth Circuit’s existing intent requirement for FRSA retaliation claims despite the Supreme Court’s treatment of the contributing-factor standard under Sarbanes-Oxley and the Second Circuit’s subsequent extension of that reasoning to the FRSA.

It also underscores that plaintiffs should clearly plead and develop the full period of protected conduct they contend contributed to an adverse action. Evidence of earlier complaints may not reach the jury as a separate retaliation theory if the pleadings, testimony, and course of trial identify a narrower period.

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