The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Chung Jane since 2022.
This trader's CIK number is 1872398.
At the time of last reporting, Chung Jane was the Chief Executive Officer of Sutro Biopharma, Inc.. (stock ticker symbol STRO).
Also see all insider trading activities at Sutro Biopharma, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | STRO | 0 | $0 | 0 | $0 | 58,500 | $0 |
| 2024 | STRO | 0 | $0 | 0 | $0 | 58,500 | $0 |
| 2023 | STRO | 0 | $0 | 0 | $0 | 26,625 | $0 |
| 2022 | STRO | 0 | $0 | 0 | $0 | 18,750 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-09 | STRO | Option Ex | 18,750 | .00 | 0 |
| 2025-03-04 | STRO | Option Ex | 7,875 | .00 | 0 |
| 2025-03-01 | STRO | Option Ex | 31,875 | .00 | 0 |
| 2024-12-01 | STRO | Option Ex | 25,000 | .00 | 0 |
| 2024-08-09 | STRO | Option Ex | 18,750 | .00 | 0 |
| 2024-03-04 | STRO | Option Ex | 7,875 | .00 | 0 |
| 2024-03-01 | STRO | Option Ex | 6,875 | .00 | 0 |
| 2023-08-09 | STRO | Option Ex | 18,750 | .00 | 0 |
| 2023-03-03 | STRO | Option Ex | 7,875 | .00 | 0 |
| 2022-08-09 | STRO | Option Ex | 18,750 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Chung Jane (Chief Executive Officer of Sutro Biopharma, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.