Sutro Biopharma, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

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

Cash Equivalents and Marketable Securities - Schedule of Cash Equivalents and Marketable Securities (Details)

v3.22.2

Cash Equivalents and Marketable Securities - Schedule of Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	$ 184,034	$ 228,883
Unrealized (Losses)	(1,356)	(314)
Fair Value	182,678	228,569
Less amounts classified as cash equivalents, Amortized Cost Basis	(79,115)	(30,414)	$ (56,392)
Marketable Securities
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	113,867	199,432
Unrealized (Losses)	(1,354)	(314)
Fair Value	112,513	199,118
Cash Equivalents
Cash And Cash Equivalents [Line Items]
Less amounts classified as cash equivalents, Amortized Cost Basis	(70,167)	(29,451)
Less amounts classified as cash equivalents, Unrealized Losses	2
Less amounts classified as cash equivalents, Fair Value	(70,165)	(29,451)
Money Market Funds
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	61,187	29,451
Fair Value	61,187	29,451
Commercial Paper
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	23,129	22,580
Fair Value	23,129	22,580
Corporate Debt Securities
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	32,443	75,012
Unrealized (Losses)	(518)	(151)
Fair Value	31,925	74,861
Asset-backed Securities
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	8,630	32,975
Unrealized (Losses)	(47)	(18)
Fair Value	8,583	32,957
U.S. Government Securities
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	37,462	47,504
Unrealized (Losses)	(565)	(84)
Fair Value	36,897	47,420
U.S. Agency Securities
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	4,992
Unrealized (Losses)	(2)
Fair Value	4,990
Supranational Debt Securities
Cash And Cash Equivalents [Line Items]
Amortized Cost Basis	16,191	21,361
Unrealized (Losses)	(224)	(61)
Fair Value	$ 15,967	$ 21,300

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