---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-237942"
form_type: "8-K"
ticker: "MIRM"
cik: "0001759425"
company_name: "Mirum Pharmaceuticals, Inc."
filed_at: "2022-09-02T23:59:59+00:00"
generated_at: "2026-06-23T16:41:20.484105+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Director Edward T. Mathers resigns from Mirum board and compensation committee

## Summary
- Edward T. Mathers resigned as director and from the Compensation Committee effective September 1, 2022.
- Resignation not due to any dispute or disagreement with the company on operations, policies, or practices.
- No replacement for the board vacancy or committee seat was announced.

## SEC filing metadata
- accession: 0001193125-22-237942
- form_type: 8-K
- ticker: MIRM
- cik: 0001759425
- company_name: Mirum Pharmaceuticals, Inc.
- filed_at: 2022-09-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759425/000119312522237942/0001193125-22-237942-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759425/000119312522237942/d309885d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-237942
- JSON: https://secwatch.observer/filing/0001193125-22-237942.json
- Plain text: https://secwatch.observer/filing/0001193125-22-237942.txt

## Key facts
- Executive change
  Edward T. Mathers resigned as director at Mirum Pharmaceuticals, Inc..
  - Action: resigned
  - Role: director
  source text: On September 1, 2022, Edward T. Mathers notified the board of directors (the “Board”) of Mirum Pharmaceuticals, Inc. (the “Company”) of his resignation as a director of the Company and as a member of the Compensation Committee of the Board, effective September 1, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759425/000119312522237942/0001193125-22-237942-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.