Sutro Biopharma, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Equity Incentive Plans, Equity Inducement Plans, Employee Stock Purchase Plan and Stock-Based Compensation - Summary of Option Activity (Details)

v3.23.1

Equity Incentive Plans, Equity Inducement Plans, Employee Stock Purchase Plan and Stock-Based Compensation - Summary of Option Activity (Details) - 2004 Plan, 2018 Plan and 2021 Plan - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding Options, Beginning Balance	6,512,086
Outstanding Options Granted	1,376,500
Outstanding Options Exercised	(49,654)
Outstanding Options Canceled or Forfeited	(528,321)
Outstanding Options, Ending Balance	7,310,611	6,512,086
Outstanding Options Exercisable	5,201,489
Weighted - Average Exercise Price, Beginning Balance	$ 13.86
Weighted - Average Exercise Price, Granted	7.16
Weighted - Average Exercise Price, Exercised	5.40
Weighted - Average Exercise Price, Canceled or Forfeited	13.54
Weighted - Average Exercise Price, Ending Balance	12.68	$ 13.86
Weighted - Average Exercise Price, Exercisable	$ 13.05
Weighted - Average Remaining Contract Term	6 years 7 months 28 days	7 years 4 months 20 days
Weighted - Average Remaining Contract Term, Exercisable	5 years 10 months 17 days
Aggregate Intrinsic Value, Balance	$ 2,187	$ 14,955
Aggregate Intrinsic Value, Exercisable	$ 991

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