Document And Entity Information
Document And Entity Information | Aug. 04, 2022 |
Document Information [Line Items] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Aug. 04, 2022 |
Entity Registrant Name | DAY ONE BIOPHARMACEUTICALS, INC. |
Entity Central Index Key | 0001845337 |
Entity Emerging Growth Company | true |
Entity File Number | 001-40431 |
Entity Incorporation, State or Country Code | DE |
Entity Tax Identification Number | 83-2415215 |
Entity Address, Address Line One | 2000 Sierra Point Parkway, Suite 501 |
Entity Address, City or Town | Brisbane |
Entity Address, State or Province | CA |
Entity Address, Postal Zip Code | 94005 |
City Area Code | (650) |
Local Phone Number | 484-0899 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Entity Ex Transition Period | false |
Title of 12(b) Security | Common Stock, par value $0.0001 per share |
Trading Symbol | DAWN |
Security Exchange Name | NASDAQ |
Former Address [Member] | |
Document Information [Line Items] | |
Entity Address, Address Line One | 395 Oyster Point Blvd., Suite 217 |
Entity Address, City or Town | South San Francisco |
Entity Address, State or Province | CA |
Entity Address, Postal Zip Code | 94080 |