The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Grassle Jenele C since 2017.
This trader's CIK number is 1218668.
At the time of last reporting, Grassle Jenele C was the Officer of Winmark Corp. (stock ticker symbol WINA).
Also see all insider trading activities at Winmark Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | WINA | 0 | $0 | 2,400 | $1,010,088 | 4,000 | $423,336 |
| 2023 | WINA | 0 | $0 | 3,000 | $942,480 | 3,000 | $229,329 |
| 2022 | WINA | 0 | $0 | 2,000 | $470,250 | 2,000 | $115,490 |
| 2019 | WINA | 0 | $0 | 2,000 | $356,806 | 10,000 | $1,095,430 |
| 2018 | WINA | 0 | $0 | 3,000 | $395,083 | 2,000 | $35,160 |
| 2017 | WINA | 0 | $0 | 3,000 | $387,573 | 2,000 | $25,500 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-11-19 | WINA | Option Ex | 2,400 | 115.42 | 277,000 |
| 2025-11-21 | WINA | Sale | 2,400 | 420.87 | 1,010,088 |
| 2025-05-12 | WINA | Option Ex | 1,600 | 91.46 | 146,336 |
| 2023-05-08 | WINA | Sale | 3,000 | 314.16 | 942,480 |
| 2023-05-02 | WINA | Option Ex | 3,000 | 76.44 | 229,329 |
| 2022-08-18 | WINA | Sale | 2,000 | 235.12 | 470,250 |
| 2022-08-11 | WINA | Option Ex | 2,000 | 57.74 | 115,490 |
| 2019-11-08 | WINA | Option Ex | 5,000 | 177.81 | 889,050 |
| 2019-11-04 | WINA | Sale | 2,000 | 178.40 | 356,806 |
| 2019-11-06 | WINA | Option Ex | 5,000 | 41.28 | 206,380 |
| 2018-05-07 | WINA | Option Ex | 2,000 | 17.58 | 35,160 |
| 2018-05-07 | WINA | Sale | 1,728 | 132.11 | 228,286 |
| 2018-05-08 | WINA | Sale | 1,272 | 131.13 | 166,797 |
| 2017-08-21 | WINA | Option Ex | 2,000 | 12.75 | 25,500 |
| 2017-08-21 | WINA | Sale | 625 | 130.28 | 81,421 |
| 2017-08-22 | WINA | Sale | 1,325 | 129.79 | 171,978 |
| 2017-08-23 | WINA | Sale | 1,050 | 127.78 | 134,174 |
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 Grassle Jenele C (Officer of Winmark Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.