Document and Entity Information
Document and Entity Information | Apr. 02, 2024 |
Cover [Abstract] | |
Amendment Flag | false |
Entity Central Index Key | 0001782303 |
Current Fiscal Year End Date | --12-31 |
Document Type | 8-K |
Document Period End Date | Apr. 02, 2024 |
Entity Registrant Name | Boundless Bio, Inc. |
Entity Incorporation State Country Code | DE |
Entity File Number | 001-41989 |
Entity Tax Identification Number | 83-0751369 |
Entity Address, Address Line One | 9880 Campus Point Drive |
Entity Address, Address Line Two | Suite 120 |
Entity Address, City or Town | San Diego |
Entity Address, State or Province | CA |
Entity Address, Postal Zip Code | 92121 |
City Area Code | (858) |
Local Phone Number | 766-9912 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, par value $0.0001 per share |
Trading Symbol | BOLD |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | true |
Entity Ex Transition Period | false |