---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-070496"
form_type: "8-K"
ticker: "BOLD"
cik: "0001782303"
company_name: "Boundless Bio, Inc."
filed_at: "2025-04-01T23:59:59+00:00"
generated_at: "2026-05-24T01:00:23.416711+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Boundless Bio enters $14.5M ATM equity distribution agreement with Jefferies

## Summary
- Company may sell up to $14.5M of common stock via at-the-market offerings through Jefferies LLC.
- Shares sold at prevailing market prices; Jefferies receives up to 3.0% commission on gross proceeds.
- No minimum sale obligation; either party may terminate the agreement on prior written notice.
- Issuance is subject to SEC effectiveness of Form S-3 registration statement filed April 1, 2025.

## SEC filing metadata
- accession: 0001193125-25-070496
- form_type: 8-K
- ticker: BOLD
- cik: 0001782303
- company_name: Boundless Bio, Inc.
- filed_at: 2025-04-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1782303/000119312525070496/0001193125-25-070496-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1782303/000119312525070496/d945427d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-070496
- JSON: https://secwatch.observer/filing/0001193125-25-070496.json
- Plain text: https://secwatch.observer/filing/0001193125-25-070496.txt

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