The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Walsh Colin since 2026.
This trader's CIK number is 1866174.
At the time of last reporting, Walsh Colin was the Director of Attovia Therapeutics, Inc.. (stock ticker symbol ATTO).
Also see all insider trading activities at Attovia Therapeutics, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | ATTO | 585,000 | $10,285,000 | 105,807 | $2,315,374 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-08-05 | ATTO | Sale | 105,807 | 21.88 | 2,315,374 |
| 2026-08-06 | ATTO | Buy | 500,000 | 17.00 | 8,500,000 |
| 2026-08-05 | ATTO | Buy | 85,000 | 21.00 | 1,785,000 |
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 Walsh Colin (Director of Attovia Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.