UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	May 19, 2022

Accession Number:	0001193125-22-058489
Submission Type:	POS AM
CIK: 0001382101 Company Name: SUTRO BIOPHARMA, INC. File Number: 333-255014