The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Joseph Tamara L since 2010.
This trader's CIK number is 1433991.
At the time of last reporting, Joseph Tamara L was the Chief Legal Officer of Spero Therapeutics, Inc.. (stock ticker symbol SPRO).
Also see all insider trading activities at Spero Therapeutics, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2012 | CBST | 0 | $0 | 20,000 | $823,199 | 26,825 | $383,200 |
| 2011 | CBST | 0 | $0 | 0 | $0 | 3,825 | $0 |
| 2010 | CBST | 0 | $0 | 0 | $0 | 1,200 | $0 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2024 | SPRO | 0 | $0 | 30,906 | $42,341 | 0 | $0 |
| 2023 | SPRO | 0 | $0 | 5,248 | $8,648 | 0 | $0 |
1. Cubist Pharmaceuticals Inc (CBST)
2. Spero Therapeutics, Inc. (SPRO)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2012-06-06 | CBST | Option Ex | 20,000 | 19.16 | 383,200 |
| 2012-06-06 | CBST | Sale | 20,000 | 41.16 | 823,199 |
| 2012-05-14 | CBST | Option Ex | 2,625 | .00 | 0 |
| 2012-05-15 | CBST | Option Ex | 1,200 | .00 | 0 |
| 2012-05-13 | CBST | Option Ex | 3,000 | .00 | 0 |
| 2011-05-14 | CBST | Option Ex | 2,625 | .00 | 0 |
| 2011-05-15 | CBST | Option Ex | 1,200 | .00 | 0 |
| 2010-05-15 | CBST | Option Ex | 1,200 | .00 | 0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2024-02-02 | SPRO | Sale | 30,906 | 1.37 | 42,341 |
| 2023-08-28 | SPRO | Sale | 1,854 | 1.26 | 2,336 |
| 2023-02-02 | SPRO | Sale | 3,394 | 1.86 | 6,312 |
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 Joseph Tamara L (Chief Legal Officer of Spero Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.