Chow Gregory K. — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Chow Gregory K. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $16K.

Profile

Chow Gregory K.

Gregory K. Chow is the Chief Financial Officer (CFO) of Sutro Biopharma, Inc., a clinical-stage biopharmaceutical company focused on developing protein therapeutics for cancer and autoimmune disorders. He has been involved in the company's financial operations and reporting.

RoleInsider
Notability30/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-02STROSUTRO BIOPHARMA, INC.M — Option exercise2.5K$0.00
2025-10-15STROSUTRO BIOPHARMA, INC.P — Open-market purchase19.8K$0.81$16K

Companies — Last 90 Days

Frequently Asked Questions

Who is Chow Gregory K.?

Gregory K. Chow is the Chief Financial Officer (CFO) of Sutro Biopharma, Inc., a clinical-stage biopharmaceutical company focused on developing protein therapeutics for cancer and autoimmune disorders. He has been involved in the company's financial operations and reporting.…

How many SEC Form 4 filings has Chow Gregory K. submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Chow Gregory K. been buying or selling stock?

Recorded transactions: 1 open-market purchases ($16K) and 0 open-market sales () across all tracked filings.

Where can I see all of Chow Gregory K.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Chow Gregory K. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.