CIK 0000908315 · Large accelerated filer
WINMARK CORP
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- WINA
- Exchange
- Nasdaq
- Industry
- Retail-Miscellaneous Retail
- FY end
- Dec 26
- Incorporated
- MN
- Entity type
- operating
- EIN
- 411622691
- Phone
- 763-520-8500
- Business address
- 605 HIGHWAY 169 N SUITE 400, MINNEAPOLIS, MN, 55441
- Former names
- GROW BIZ INTERNATIONAL INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $531,520
- in 1 filing
Net −$531,520. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-02-25 | GRASSLE JENELE C Director | Option exercise · Non-Employee Stock Option (right to buy) | −800 | $143.20 | $115K | 0 |
| 2026-02-25 | GRASSLE JENELE C Director | Option exercise · Non-Employee Stock Option (right to buy) | −800 | $156.00 | $125K | 0 |
| 2026-02-25 | GRASSLE JENELE C Director | Option exercise · Non-Employee Stock Option (right to buy) | −750 | $164.84 | $124K | 0 |
| 2026-02-25 | GRASSLE JENELE C Director | Option exercise · Non-Employee Stock Option (right to buy) | −750 | $176.20 | $132K | 0 |
| 2025-12-15 | Hake Lisa Schurke CHIEF MARKETING OFFICER | Grant or award · Employee Stock Option (right to buy) | +1,216 | $444.54 | $541K | 1,216 |
| 2025-12-15 | Credendino Keith Director | Grant or award · Non-Employee Stock Option (right to buy) | +256 | $444.54 | $114K | 256 |
| 2025-12-15 | Gaudette Renae M. CHIEF OPERATING OFFICER | Grant or award · Employee Stock Option (right to buy) | +1,316 | $444.54 | $585K | 1,316 |
| 2025-12-15 | Becker Amy C Director | Grant or award · Non-Employee Stock Option (right to buy) | +256 | $444.54 | $114K | 256 |
| 2025-12-15 | Barbetta Lawrence A Director | Grant or award · Non-Employee Director Stock Option (right to buy) | +256 | $444.54 | $114K | 256 |
| 2025-12-15 | SPRENGER GINA DECARO Director | Grant or award · Non-Employee Stock Option (right to buy) | +256 | $444.54 | $114K | 256 |
| 2025-12-15 | Tomlinson Percy C Jr Director | Grant or award · Non-Employee Stock Option (right to buy) | +256 | $444.54 | $114K | 256 |
| 2025-12-15 | Ishaug Anthony D CHIEF FINANCIAL OFFICER | Grant or award · Employee Stock Option (right to buy) | +1,712 | $444.54 | $761K | 1,712 |
| 2025-12-15 | HEFFES BRETT D CHAIR AND CEO | Grant or award · Employee Stock Option (right to buy) | +2,712 | $444.54 | $1.2M | 2,712 |
| 2025-12-15 | SMITH PHILIP IRVING Director | Grant or award · Non-Employee Stock Option (right to buy) | +256 | $444.54 | $114K | 256 |
| 2025-12-15 | GRASSLE JENELE C Director | Grant or award · Non-Employee Stock Option (right to buy) | +256 | $444.54 | $114K | 256 |
| 2025-11-21 | GRASSLE JENELE C Director | Sale | −2,400 | $420.87 | $1.0M | 2,500 |
| 2025-11-19 | GRASSLE JENELE C Director | Option exercise | +800 | $98.25 | $79K | 3,300 |
| 2025-11-19 | GRASSLE JENELE C Director | Option exercise | +800 | $125.50 | $100K | 4,100 |
| 2025-11-19 | GRASSLE JENELE C Director | Option exercise | +800 | $122.50 | $98K | 4,900 |
| 2025-11-19 | GRASSLE JENELE C Director | Option exercise · Non-Employee Stock Option (right to buy) | −800 | $98.25 | $79K | 0 |
Page 3 of 33 · 644 trades