Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Winmark Corporation, 3 years.
Winmark Corporation
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Winmark Corporation April 23, 202597.4%
-
Winmark Corporation April 24, 202496.5%
-
Winmark Corporation April 26, 202395.0%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 4, 2026 | Winmark Corporation | Open-market sale | −3,900 | $475.80 | $1,855,620 |
| Feb 25, 2026 | Winmark Corporation | Option exercise | +800 | $134.25 | $107,400 |
| Feb 25, 2026 | Winmark Corporation | Option exercise | +800 | $143.20 | $114,560 |
| Feb 25, 2026 | Winmark Corporation | Option exercise | +800 | $156.00 | $124,800 |
| Feb 25, 2026 | Winmark Corporation | Option exercise | +750 | $164.84 | $123,630 |
| Feb 25, 2026 | Winmark Corporation | Option exercise | +750 | $176.20 | $132,150 |
| Nov 21, 2025 | Winmark Corporation | Open-market sale | −2,400 | $420.87 | $1,010,088 |
| Nov 19, 2025 | Winmark Corporation | Option exercise | +800 | $98.25 | $78,600 |
| Nov 19, 2025 | Winmark Corporation | Option exercise | +800 | $125.50 | $100,400 |
| Nov 19, 2025 | Winmark Corporation | Option exercise | +800 | $122.50 | $98,000 |
| May 16, 2025 | Winmark Corporation | Open-market sale | −1,600 | $428.23 | $685,168 |
| May 12, 2025 | Winmark Corporation | Option exercise | +800 | $91.93 | $73,544 |
| May 12, 2025 | Winmark Corporation | Option exercise | +800 | $90.99 | $72,792 |
| May 8, 2023 | Winmark Corporation | Open-market sale | −3,000 | $314.16 | $942,480 |
| May 2, 2023 | Winmark Corporation | Option exercise | +1,000 | $82.72 | $82,720 |
Questions about Jenele C. Grassle
What boards is Jenele C. Grassle on?
Jenele C. Grassle sits on the board of Winmark Corporation.
How long has Jenele C. Grassle served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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