---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-342316"
form_type: "8-K"
ticker: "BLSM"
cik: "0001839970"
company_name: "BlossomHill Therapeutics, Inc."
filed_at: "2026-08-10T20:01:18+00:00"
generated_at: "2026-08-10T20:03:35.245795+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# BlossomHill Therapeutics completes IPO of 9.375M shares at $16.00, gross proceeds ~$150M

## Summary
- IPO closed Aug 10, 2026; 9,375,000 shares sold at $16.00 per share.
- Gross proceeds approximately $150.0M before underwriting discounts and expenses.
- Amended and restated certificate of incorporation and bylaws effective Aug 10, 2026.
- Stock trades on Nasdaq Global Select Market under ticker BLSM.

## SEC filing metadata
- accession: 0001193125-26-342316
- form_type: 8-K
- ticker: BLSM
- cik: 0001839970
- company_name: BlossomHill Therapeutics, Inc.
- filed_at: 2026-08-10T20:01:18+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1839970/000119312526342316/0001193125-26-342316-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1839970/000119312526342316/d138762d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-342316
- JSON: https://secwatch.observer/filing/0001193125-26-342316.json
- Plain text: https://secwatch.observer/filing/0001193125-26-342316.txt

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