The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Mason Mark since 2021.
This trader's CIK number is 1487290.
At the time of last reporting, Mason Mark was the Chief Financial Officer of Citigroup Inc. (stock ticker symbol C).
Also see all insider trading activities at Citigroup Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | C | 0 | $0 | 3,627 | $415,940 | 0 | $0 |
| 2021 | C | 0 | $0 | 15,366 | $1,137,483 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-02-20 | C | Sale | 3,627 | 114.68 | 415,940 |
| 2021-05-07 | C | Sale | 15,366 | 74.03 | 1,137,483 |
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 Mason Mark (Chief Financial Officer of Citigroup Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.