Current report filing

Document and Entity Information

Document and Entity Information
Nov. 05, 2020
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 05, 2020
Entity Registrant Name SUTRO BIOPHARMA, INC.
Entity Central Index Key 0001382101
Entity Incorporation, State or Country Code DE
Entity File Number 001-38662
Entity Tax Identification Number 47-0926186
Entity Address, Address Line One 310 Utah Avenue
Entity Address, Address Line Two Suite 150
Entity Address, City or Town South San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94080
City Area Code 650
Local Phone Number 392-8412
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Security12b Title Common Stock, $0.001 par value
Trading Symbol STRO
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false