The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Mossler Mark since 2026.
This trader's CIK number is 1992219.
At the time of last reporting, Mossler Mark was the Chief Accounting Officer of C4 Therapeutics, Inc.. (stock ticker symbol CCCC).
Also see all insider trading activities at C4 Therapeutics, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | CCCC | 0 | $0 | 0 | $0 | 9,420 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-02-14 | CCCC | Option Ex | 9,420 | .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 Mossler Mark (Chief Accounting Officer of C4 Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.