Jenele C. Grassle

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
3 years
Director since
2023

3 years of board service in total across 1 board, counting each seat separately. Longest: Winmark Corporation, 3 years.

3 years · Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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

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