Sutro Biopharma SEC Filings
NASDAQ: STROHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
14.27-1.05 (-6.85%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Sutro Biopharma filing overview
This page lists 60 recent SEC filings by Sutro Biopharma (STRO), including 31 4, 8 SCHEDULE 13G/A, 8 8-K, 6 SCHEDULE 13G. The latest annual report (10-K) was filed on Mar 23, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 12, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 12, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
STRO SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Sep 22, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 14, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 14, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 12, 2026 | 8-K | Results of Operations and Financial Condition; Regulation FD Disclosure | View on EDGAR |
| Aug 12, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jul 30, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 9, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 8, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Jun 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 14, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 14, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 14, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 1, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 22, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Apr 21, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Apr 21, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 1, 2026 | 424B3 | Prospectus | View on EDGAR |
| Mar 23, 2026 | 8-K | Termination of a Material Definitive Agreement; Results of Operations and Financial Condition | View on EDGAR |
| Mar 23, 2026 | 10-K | Annual report | View on EDGAR |
| Mar 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 18, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Feb 13, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 13, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 10, 2026 | 424B5 | Prospectus | View on EDGAR |
| Feb 10, 2026 | 8-K | Entry into a Material Definitive Agreement; Regulation FD Disclosure | View on EDGAR |
| Jan 29, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 17, 2025 | 8-K | Other Events | View on EDGAR |
| Dec 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 3, 2025 | 8-K | Material Modification to Rights of Security Holders; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Other Events | View on EDGAR |
| Nov 6, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Nov 6, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Oct 23, 2025 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Oct 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 16, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |