Sutro Biopharma Inc
NASDAQ:STRO
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During the last 3 months Sutro Biopharma Inc insiders have not bought any shares, and have not sold any shares. The stock price has increased by 136% over this period (open performance analysis).
The last transaction was made on
Oct 15, 2025
by
Matsui Connie
, who
bought
40k USD
worth of 
STRO shares.
During the last 3 months Sutro Biopharma Inc insiders have not bought any shares, and have not sold any shares. The stock price has increased by 136% over this period (open performance analysis).
The last transaction was made on
Oct 15, 2025
by
Matsui Connie
, who
bought
40k USD
worth of STRO shares.
Sutro Biopharma Inc
Glance View
Sutro Biopharma Inc. engages in the drug discovery, development and manufacture of pharmaceutical products. The company is headquartered in South San Francisco, California and currently employs 224 full-time employees. The company went IPO on 2018-09-27. The company is focused on deploying its integrated cell-free protein synthesis and site-specific conjugation platform, XpressCF, to create a variety of protein therapeutics, initially for cancer. The company is engaged in designing therapeutics using potent modalities, including cytokine-based therapeutics, immuno-oncology agents, antibody-drug conjugates (ADCs) and bispecific antibodies that are directed against clinically validated targets. Its product candidate includes STRO-002 and STRO-001. STRO-002, is an ADC directed against folate receptor-alpha, for patients with FolRα-expressing cancers, such as ovarian and endometrial cancers. STRO-001, is an ADC directed against CD74, for patients with B-cell malignancies, such as multiple myeloma and non-Hodgkin lymphoma. Its product candidates are designed and optimized for therapeutic index by placing linker-warheads at specific locations within the antibody.
What is Insider Trading?
Insider trading refers to the buying or selling of a company’s stock by individuals with access to non-public, material information about the company.
While legal insider trading occurs when insiders follow disclosure rules, illegal insider trading involves trading based on confidential information and is prohibited by law.
Why is Insider Trading Important?
It isn't a coincidence that corporate executives seem to always buy at the right times. After all, they have access to every bit of company information you could ever want.
However, the fact that company executives have unique insights doesn't mean that individual investors are always left in the dark. Insider trading data is out there for all who want to use it.
Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.
