Jenele C. Grassle serves as Executive at WINMARK CORP, where they oversee executive responsibilities. Since joining the company, Jenele C. Grassle has executed 55 insider transactions totaling $4.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 21, 2025 involved selling 2,400 shares valued at $1.0M.
Jenele C. Grassle currently holds 2,500 shares of WINMARK CORP (WINA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jenele C. Grassle has been a net seller of WINA stock. They have purchased $6.5K and sold $4.4M worth of shares.
Jenele C. Grassle's most recent insider trade was on Nov 21, 2025, when they sold 2,400 shares at $420.87 per share.
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| $125.50 |
| Discretionary |
| Nov 19, 2025 | WINA | $98.0K | Option Exercise | 800 | $122.50 | Discretionary |
| Nov 19, 2025 | WINA | $78.6K | Option Exercise | 800 | $98.25 | Discretionary |
| May 8, 2023 | WINA | $942.5K | Sale | 3,000 | $314.16 | Discretionary |
| May 2, 2023 | WINA | $66.3K | Option Exercise | 1,000 | $66.29 | Discretionary |
| May 2, 2023 | WINA | $82.7K | Option Exercise | 1,000 | $82.72 | Discretionary |
| May 2, 2023 | WINA | $80.3K | Option Exercise | 1,000 | $80.32 | Discretionary |
| Aug 18, 2022 | WINA | $27.6K | Sale | 117 | $235.54 | Discretionary |
| Aug 18, 2022 | WINA | $442.0K | Sale | 1,883 | $234.71 | Discretionary |
| Aug 11, 2022 | WINA | $59.8K | Option Exercise | 1,000 | $59.77 | Discretionary |
| Aug 11, 2022 | WINA | $55.7K | Option Exercise | 1,000 | $55.72 | Discretionary |
| Nov 8, 2019 | WINA | $516.7K | Option Exercise | 2,900 | $178.18 | Discretionary |
| Nov 8, 2019 | WINA | $372.6K | Option Exercise | 2,100 | $177.44 | Discretionary |
| Nov 6, 2019 | WINA | $51.2K | Option Exercise | 1,000 | $51.17 | Discretionary |
| Nov 6, 2019 | WINA | $53.3K | Option Exercise | 1,000 | $53.34 | Discretionary |
| Nov 6, 2019 | WINA | $37.8K | Option Exercise | 1,000 | $37.76 | Discretionary |
| Nov 6, 2019 | WINA | $32.9K | Option Exercise | 1,000 | $32.92 | Discretionary |
| Nov 6, 2019 | WINA | $31.2K | Option Exercise | 1,000 | $31.19 | Discretionary |
| Nov 4, 2019 | WINA | $18.0K | Sale | 100 | $179.71 | Discretionary |
| Nov 4, 2019 | WINA | $214.0K | Sale | 1,200 | $178.37 | Discretionary |
| Nov 4, 2019 | WINA | $124.0K | Sale | 700 | $177.13 | Discretionary |
| May 8, 2018 | WINA | $66.6K | Sale | 513 | $129.86 | Discretionary |
| May 8, 2018 | WINA | $100.5K | Sale | 759 | $132.40 | Discretionary |
| May 7, 2018 | WINA | $13.0K | Option Exercise | 1,000 | $13.01 | Discretionary |
| May 7, 2018 | WINA | $22.1K | Option Exercise | 1,000 | $22.15 | Discretionary |
| May 7, 2018 | WINA | $228.3K | Sale | 1,728 | $132.11 | Discretionary |
| Aug 23, 2017 | WINA | $118.5K | Sale | 925 | $128.13 | Discretionary |
| Aug 23, 2017 | WINA | $15.9K | Sale | 125 | $127.44 | Discretionary |
| Aug 22, 2017 | WINA | $106.6K | Sale | 825 | $129.23 | Discretionary |