GRASSLE JENELE C 4
4 · WINMARK CORP · Filed Mar 5, 2026
Insider Transaction Report
Form 4
WINMARK CORPWINA
GRASSLE JENELE C
Director
Transactions
- Sale
Common Stock
2026-03-04$475.80/sh−3,900$1,855,620→ 2,500 total
Holdings
- 750
Non-Employee Stock Option (right to buy)
[F1]Exercise: $143.87From: 2021-06-01Exp: 2030-06-01→ Common Stock (750 underlying) - 750
Non-Employee Stock Option (right to buy)
[F1]Exercise: $183.87From: 2021-12-14Exp: 2030-12-14→ Common Stock (750 underlying) - 750
Non-Employee Stock Option (right to buy)
[F1]Exercise: $195.82From: 2022-06-01Exp: 2031-06-01→ Common Stock (750 underlying) - 750
Non-Employee Stock Option (right to buy)
[F1]Exercise: $261.32From: 2022-12-13Exp: 2031-12-13→ Common Stock (750 underlying) - 880
Non-Employee Stock Option (right to buy)
[F1]Exercise: $197.80From: 2023-06-01Exp: 2032-06-01→ Common Stock (880 underlying) - 620
Non-Employee Stock Option (right to buy)
[F1]Exercise: $238.60From: 2023-12-12Exp: 2032-12-12→ Common Stock (620 underlying) - 380
Non-Employee Stock Option (right to buy)
[F1]Exercise: $325.99From: 2024-06-01Exp: 2033-06-01→ Common Stock (380 underlying) - 240
Non-Employee Stock Option (right to buy)
[F1]Exercise: $446.68From: 2024-12-01Exp: 2033-12-01→ Common Stock (240 underlying) - 300
Non-Employee Stock Option (right to buy)
[F1]Exercise: $355.90From: 2025-06-01Exp: 2034-06-01→ Common Stock (300 underlying) - 300
Non-Employee Stock Option (right to buy)
[F1]Exercise: $400.97From: 2025-12-09Exp: 2034-12-09→ Common Stock (300 underlying) - 280
Non-Employee Stock Option (right to buy)
[F1]Exercise: $424.82From: 2026-06-01Exp: 2035-06-01→ Common Stock (280 underlying) - 256
Non-Employee Stock Option (right to buy)
[F1]Exercise: $444.54From: 2026-12-15Exp: 2035-12-15→ Common Stock (256 underlying)
Footnotes (1)
- [F1]25% per year for four years.
Signature
/s/ Jenele C. Grassle|2026-03-05