Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-10-15 Purchase | 2025-10-16 08:18 am | SUTRO BIOPHARMA INC. | STRO | Chow Gregory K. CFO | 19,750 | $0.81 | $15,998 | 19,750 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-06-02 Option Award | 2025-06-02 4:27 pm | N/A 2035-06-02 | SUTRO BIOPHARMA INC. | STRO | Chow Gregory K. CFO | 375,000 | $0 | 375,000 (Direct) | View |
| 2021-01-04 Option Award | 2021-01-06 5:02 pm | N/A 2031-01-04 | Aptose Biosciences Inc. | APTO | Chow Gregory K. Executive VP & CFO | 343,000 | $0 | 343,000 (Direct) | View |