Insiders / Chow Gregory K.
Chow Gregory K.
CIK 1761333personinsider
Companies
1
First seen
Mar 3, 2026
Last activity
Jun 2, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Sutro Biopharma, Inc. · STRO | 4,725 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Sutro Biopharma, Inc. | Common Stock | 4,725 |
| Sutro Biopharma, Inc. | Stock Option (right to buy)Derivative | 40,000 |
| Sutro Biopharma, Inc. | Restricted Stock Units (RSUs)Derivative | 7,500 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 2, 2026 | Exercise | STRO Sutro Biopharma, Inc. Common Stock | $0 | +3K +112.36% | 4,725 0.03% of shares | low |
| Jun 2, 2026 | Exercise | STRO Sutro Biopharma, Inc. Restricted Stock Units (RSUs) | — | -3K -25.00% | 7,500 0.05% of shares | low |
| Mar 2, 2026 | Grant | STRO Sutro Biopharma, Inc. Restricted Stock Units (RSUs) | — | +5K | 5,000 0.03% of shares | low |
| Mar 2, 2026 | Grant | STRO Sutro Biopharma, Inc. Stock Option (right to buy) | — | +40K | 40,000 0.24% of shares | low |