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 |
|---|---|---|---|---|---|---|
| 2026-10-22 | Gaudette Renae M. CHIEF OPERATING OFFICER | Sale | −421 | $285.19 | $120K | 23,439 |
| 2026-10-22 | Gaudette Renae M. CHIEF OPERATING OFFICER | Sale | −209 | $284.06 | $59K | 23,230 |
| 2026-10-22 | Gaudette Renae M. CHIEF OPERATING OFFICER | Sale | −1,245 | $282.80 | $352K | 21,985 |
| 2026-03-04 | GRASSLE JENELE C Director | Sale | −3,900 | $475.80 | $1.9M | 2,500 |
| 2026-03-03 | Tomlinson Percy C Jr Director | Sale | −1,660 | $460.52 | $764K | 800 |
| 2025-11-21 | GRASSLE JENELE C Director | Sale | −2,400 | $420.87 | $1.0M | 2,500 |
| 2025-10-24 | Gaudette Renae M. CHIEF OPERATING OFFICER | Sale | −100 | $435.62 | $44K | 19,960 |
| 2025-10-24 | Gaudette Renae M. CHIEF OPERATING OFFICER | Sale | −1,100 | $415.43 | $457K | 18,860 |
| 2025-09-17 | Barbetta Lawrence A Director | Sale | −216 | $505.33 | $109K | 1,285 |
| 2025-09-17 | Barbetta Lawrence A Director | Sale | −636 | $504.91 | $321K | 649 |
| 2025-08-27 | HEFFES BRETT D CHAIR AND CEO | Sale | −1,985 | $454.95 | $903K | 117,386 |
| 2025-08-27 | HEFFES BRETT D CHAIR AND CEO | Sale | −1,186 | $454.03 | $538K | 116,200 |
| 2025-08-27 | HEFFES BRETT D CHAIR AND CEO | Sale | −1,630 | $452.72 | $738K | 114,570 |
| 2025-08-27 | HEFFES BRETT D CHAIR AND CEO | Sale | −170 | $451.76 | $77K | 114,400 |
| 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 |
| 2025-05-30 | Ishaug Anthony D CHIEF FINANCIAL OFFICER | Sale | −200 | $428.14 | $86K | 60,483 |
| 2025-05-30 | Ishaug Anthony D CHIEF FINANCIAL OFFICER | Sale | −2,859 | $427.07 | $1.2M | 57,624 |
Page 1 of 14 · 268 trades