---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-325825"
form_type: "8-K"
ticker: "MIRM"
cik: "0001759425"
company_name: "Mirum Pharmaceuticals, Inc."
filed_at: "2025-12-19T23:59:59+00:00"
generated_at: "2026-05-16T12:36:55.208567+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mirum Pharmaceuticals secures additional $68.5M PIPE from TCGX ahead of Bluejay acquisition

## Summary
- 1,000,000 shares at $68.48/share; ~$68.5M gross proceeds from TCGX.
- Combined with Dec 2025 $200M PIPE raises total ~$268.5M to fund Bluejay acquisition.
- Both PIPE and Bluejay acquisition expected to close in Q1 2026, subject to conditions.
- Registration rights agreement provides for resale registration of the PIPE shares.

## SEC filing metadata
- accession: 0001193125-25-325825
- form_type: 8-K
- ticker: MIRM
- cik: 0001759425
- company_name: Mirum Pharmaceuticals, Inc.
- filed_at: 2025-12-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 3.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759425/000119312525325825/0001193125-25-325825-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759425/000119312525325825/d53644d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-325825
- JSON: https://secwatch.observer/filing/0001193125-25-325825.json
- Plain text: https://secwatch.observer/filing/0001193125-25-325825.txt

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