secwatch.observer — SEC 8-K summary
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Issuer:     SUTRO BIOPHARMA, INC. (STRO)
CIK:        0001382101
Form:       8-K
Filed at:   2025-12-03T23:59:59+00:00
Accession:  0001193125-25-306786
Event type: other_material
Sentiment:  negative
Materiality: 0.75
Item codes: 3.03, 5.03, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Sutro Biopharma announces 1-for-10 reverse stock split effective Dec 3 to regain Nasdaq compliance
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- Reverse stock split at 1-for-10, effective 12:01 a.m. ET on December 3, 2025.
- Outstanding shares reduced from ~85.2M to ~8.52M; symbol STRO unchanged, new CUSIP 869367201.
- Intended to regain Nasdaq minimum bid price compliance; approved by stockholders on June 6, 2025.
- No fractional shares issued; any fractional interest rounded up to nearest whole share.
- Proportionate adjustments to equity awards, exercise prices, and shares reserved under equity plans.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1382101/000119312525306786/0001193125-25-306786-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1382101/000119312525306786/stro-20251201.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-306786

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer