Chow Gregory K. (CIK 1761333) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-02). Recent activity: Buy STRO (2,500 shares), Buy STRO (19,750 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-02 | SUTRO BIOPHARMA, INC. (STRO) | CFO | Buy | 2,500 | $0 |
| 2025-10-16 | SUTRO BIOPHARMA, INC. (STRO) | CFO | Buy | 19,750 | $0 |
Source: SEC Form 4 filings · as of 2026-06-02