The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Larkin Cristina since 2017.
The trader's CIK number is 1721173.
At the time of the last reporting, Larkin Cristina was the Chief Operating 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 |
| 2020 | SPRO | 0 | $0 | 12,000 | $228,000 | 12,000 | $70,800 |
| 2018 | SPRO | 0 | $0 | 4,000 | $70,000 | 4,000 | $23,600 |
| 2017 | SPRO | 1,500 | $21,000 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2020-12-16 | SPRO | Sale | 12,000 | 19.00 | 228,000 |
| 2020-12-16 | SPRO | Option Ex | 12,000 | 5.90 | 70,800 |
| 2018-07-05 | SPRO | Sale | 4,000 | 17.50 | 70,000 |
| 2018-07-05 | SPRO | Option Ex | 4,000 | 5.90 | 23,600 |
| 2017-11-06 | SPRO | Buy | 1,500 | 14.00 | 21,000 |
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 Larkin Cristina (Chief Operating Officer of Spero Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.