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 |
|---|---|---|---|---|---|---|
| 2025-08-27 | HEFFES BRETT D CHAIR AND CEO | Sale | −170 | $451.76 | $77K | 114,400 |
| 2025-08-27 | HEFFES BRETT D CHAIR AND CEO | Option exercise · Employee Stock Option (right to buy) | −2,103 | $176.20 | $371K | 1,897 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Option exercise | +1,915 | $143.87 | $276K | 114,415 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Option exercise | +526 | $164.84 | $87K | 114,941 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Option exercise | +510 | $195.82 | $100K | 115,451 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Sale | −600 | $458.65 | $275K | 114,851 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Sale | −400 | $456.97 | $183K | 114,451 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Sale | −800 | $453.82 | $363K | 113,651 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Sale | −641 | $452.07 | $290K | 113,010 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Option exercise · Employee Stock Option (right to buy) | −3,394 | $164.84 | $559K | 0 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Option exercise · Employee Stock Option (right to buy) | −3,305 | $143.87 | $475K | 0 |
| 2025-08-26 | HEFFES BRETT D CHAIR AND CEO | Option exercise · Employee Stock Option (right to buy) | −510 | $195.82 | $100K | 3,490 |
| 2025-08-13 | SPRENGER GINA DECARO Director | Purchase | +250 | $410.77 | $103K | 250 |
| 2025-08-07 | Credendino Keith Director | Grant or award · Non-Employee Stock Option (right to buy) | +3,000 | $393.64 | $1.2M | 3,000 |
| 2025-07-17 | HEFFES BRETT D CHAIR AND CEO | Other acquisition | +53 | 338 | ||
| 2025-06-01 | Barbetta Lawrence A Director | Grant or award · Non-Employee Director Stock Option (right to buy) | +280 | $424.82 | $119K | 280 |
| 2025-06-01 | GRASSLE JENELE C Director | Grant or award · Non-Employee Stock Option (right to buy) | +280 | $424.82 | $119K | 280 |
| 2025-06-01 | Ishaug Anthony D CHIEF FINANCIAL OFFICER | Grant or award · Employee Stock Option (right to buy) | +1,888 | $424.82 | $802K | 1,888 |
| 2025-06-01 | Tomlinson Percy C Jr Director | Grant or award · Non-Employee Stock Option (right to buy) | +280 | $424.82 | $119K | 280 |
| 2025-06-01 | SPRENGER GINA DECARO Director | Grant or award · Non-Employee Stock Option (right to buy) | +280 | $424.82 | $119K | 280 |
Page 5 of 33 · 644 trades