---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-162003"
form_type: "8-K"
ticker: "RARE"
cik: "0001515673"
company_name: "Ultragenyx Pharmaceutical Inc."
filed_at: "2024-06-17T23:59:59+00:00"
generated_at: "2026-06-01T04:05:39.589860+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ultragenyx raises ~$330.7M in public offering of common stock and pre-funded warrants

## Summary
- Offering of 7,435,898 shares at $39/share plus pre-funded warrants for 1,538,501 shares at $38.999.
- Net proceeds expected ~$330.7M after underwriting discounts and expenses.
- Underwriters granted 30-day option to purchase up to 1,346,153 additional shares.
- Closing expected June 17, 2024; use of proceeds for general corporate purposes.

## SEC filing metadata
- accession: 0001193125-24-162003
- form_type: 8-K
- ticker: RARE
- cik: 0001515673
- company_name: Ultragenyx Pharmaceutical Inc.
- filed_at: 2024-06-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1515673/000119312524162003/0001193125-24-162003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1515673/000119312524162003/d785247d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-162003
- JSON: https://secwatch.observer/filing/0001193125-24-162003.json
- Plain text: https://secwatch.observer/filing/0001193125-24-162003.txt

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