Sutro Biopharma, Inc. SEC filings STRO

Sutro Biopharma, Inc. has 624 filings in SEC EDGAR's recent list, going back to Nov 8, 2006. Its latest annual report, Form ARS, was filed on Apr 22, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 12, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

Sutro Biopharma, Inc. SEC filings
Form Description Filed Period
EFFECT Filing Apr 1, 2026 —
CORRESP Letter to the SEC Mar 30, 2026 —
UPLOAD Letter from the SEC Mar 27, 2026 —
EFFECT Filing Nov 21, 2023 —
CORRESP Letter to the SEC Nov 17, 2023 —
UPLOAD Letter from the SEC Nov 16, 2023 —
EFFECT Filing May 19, 2022 —
POS EX Filing May 18, 2022 —
POSASR Filing Feb 28, 2022 —
EFFECT Filing Oct 11, 2019 —
CORRESP Letter to the SEC Oct 9, 2019 —
UPLOAD Letter from the SEC Oct 8, 2019 —
CT ORDER Filing Sep 27, 2018 —
EFFECT Filing Sep 26, 2018 —
CORRESP Letter to the SEC Sep 24, 2018 —
CORRESP Letter to the SEC Sep 24, 2018 —
CERT Filing Sep 21, 2018 —
8-A12B Filing Sep 18, 2018 —
CORRESP Letter to the SEC Sep 17, 2018 —
UPLOAD Letter from the SEC Sep 11, 2018 —
CORRESP Letter to the SEC Sep 10, 2018 —
CORRESP Letter to the SEC Aug 29, 2018 —
UPLOAD Letter from the SEC Aug 24, 2018 —
DRSLTR Filing Aug 20, 2018 —
DRSLTR Filing Aug 8, 2018 —
D/A Filing Aug 8, 2018 —
UPLOAD Letter from the SEC Jul 30, 2018 —
DRSLTR Filing Jul 10, 2018 —
DRS/A Filing Jul 10, 2018 —
UPLOAD Letter from the SEC Jun 29, 2018 —
D Filing Jun 6, 2018 —
DRS Filing Jun 1, 2018 —
REGDEX/A Auto-generated paper document Mar 11, 2009 —
REGDEX Auto-generated paper document Oct 24, 2007 —
REGDEX/A Auto-generated paper document Apr 23, 2007 —
REGDEX Auto-generated paper document Dec 29, 2006 —
REGDEX Auto-generated paper document Nov 8, 2006 —

Showing 37 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
STRO (Nasdaq)
Fiscal year ends
December 31
Headquarters
South San Francisco, CA
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1382101
Former names
SUTRO BIOPHARMA INC (until Nov 8, 2018); Fundamental Applied Biology Inc (until Oct 24, 2007)

Other Biological Products, (No Diagnostic Substances) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.