Company · CIK 1382101 # SUTRO BIOPHARMA, INC. | CIK | [1382101](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001382101) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2836 — Biological Products, (No Diagnostic Substances) | | Business address | CA | | Listed | STRO (Nasdaq) | | First annual or quarterly report | 2018-11-14 | ## Offerings 5 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-294541 | Shelf Effective | 2026-03-23 | 2026-04-01 | 2 | | 333-275525 | Shelf Effective | 2023-11-13 | 2026-02-10 | 5 | | 333-255014 | Shelf Effective | 2021-04-02 | 2022-05-19 | 2 | | 333-234101 | Shelf Effective | 2019-10-04 | 2020-12-09 | 7 | | 333-227103 | IPO Final prospectus | 2018-08-29 | 2018-09-27 | 4 | ## Filings 21 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-04-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1382101/999999999526001050/9999999995-26-001050-index.htm) Declared effective | 333-294541 | 9999999995-26-001050 | | 2026-03-23 | [S-3](https://www.sec.gov/Archives/edgar/data/1382101/000119312526120004/0001193125-26-120004-index.htm) Shelf registered | 333-294541 | 0001193125-26-120004 | | 2026-02-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312526044923/0001193125-26-044923-index.htm) Shelf takedown | 333-275525 | 0001193125-26-044923 | | 2024-04-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312524084879/0001193125-24-084879-index.htm) Shelf takedown | 333-275525 | 0001193125-24-084879 | | 2024-02-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312524030080/0001193125-24-030080-index.htm) Shelf takedown | 333-275525 | 0001193125-24-030080 | | 2023-11-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1382101/999999999523003414/9999999995-23-003414-index.htm) Declared effective | 333-275525 | 9999999995-23-003414 | | 2023-11-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1382101/000119312523276208/0001193125-23-276208-index.htm) Shelf registered | 333-275525 | 0001193125-23-276208 | | 2022-05-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1382101/999999999522001527/9999999995-22-001527-index.htm) Declared effective | 333-255014 | 9999999995-22-001527 | | 2021-04-02 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1382101/000119312521105216/0001193125-21-105216-index.htm) Shelf registered | 333-255014 | 0001193125-21-105216 | | 2020-12-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312520313802/0001193125-20-313802-index.htm) Shelf takedown | 333-234101 | 0001193125-20-313802 | | 2020-12-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312520311750/0001193125-20-311750-index.htm) Shelf takedown | 333-234101 | 0001193125-20-311750 | | 2020-05-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312520140570/0001193125-20-140570-index.htm) Shelf takedown | 333-234101 | 0001193125-20-140570 | | 2020-05-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312520139053/0001193125-20-139053-index.htm) Shelf takedown | 333-234101 | 0001193125-20-139053 | | 2019-10-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1382101/999999999519002305/9999999995-19-002305-index.htm) Declared effective | 333-234101 | 9999999995-19-002305 | | 2019-10-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1382101/000119312519266765/0001193125-19-266765-index.htm) Shelf takedown | 333-234101 | 0001193125-19-266765 | | 2019-10-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1382101/000119312519262726/0001193125-19-262726-index.htm) Shelf registered | 333-234101 | 0001193125-19-262726 | | 2018-09-27 | [424B4](https://www.sec.gov/Archives/edgar/data/1382101/000119312518285823/0001193125-18-285823-index.htm) Final prospectus | 333-227103 | 0001193125-18-285823 | | 2018-09-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1382101/999999999518002466/9999999995-18-002466-index.htm) Declared effective | 333-227103 | 9999999995-18-002466 | | 2018-09-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1382101/000119312518274668/0001193125-18-274668-index.htm) Amendment | 333-227103 | 0001193125-18-274668 | | 2018-08-29 | [S-1](https://www.sec.gov/Archives/edgar/data/1382101/000119312518262012/0001193125-18-262012-index.htm) Registration filed | 333-227103 | 0001193125-18-262012 | | 2018-06-01 | [DRS](https://www.sec.gov/Archives/edgar/data/1382101/000095012318006099/0000950123-18-006099-index.htm) Draft made public | 377-02099 | 0000950123-18-006099 | [All filings of this company](https://equitycapital.markets/filings?cik=1382101) · [CSV](https://equitycapital.markets/filings.csv?cik=1382101) --- Source page: https://equitycapital.markets/company/1382101 · Data: U.S. SEC EDGAR · CC BY 4.0