Updated Jul 16, 2026
HEFFES BRETT D has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $6.93M.

Brett D. Heffes is the Chair and CEO of Winmark Corporation, a company specializing in franchising value-oriented retail store concepts. Under his leadership, Winmark has focused on buying, selling, and trading gently used merchandise through its franchise network.
| Role | Insider |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 170 | $451.76 | $77K |
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 1.6K | $452.72 | $738K |
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 1.2K | $454.03 | $538K |
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 2.0K | $454.95 | $903K |
| 2025-08-26 | WINA | WINMARK CORP | M — Option exercise | 1.4K | $143.87 | $200K |
| 2025-08-26 | WINA | WINMARK CORP | M — Option exercise | 2.9K | $164.84 | $473K |
| 2025-08-26 | WINA | WINMARK CORP | M — Option exercise | 2.1K | $176.20 | $371K |
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 641 | $452.07 | $290K |
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 800 | $453.82 | $363K |
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 400 | $456.97 | $183K |
| 2025-08-26 | WINA | WINMARK CORP | S — Open-market sale | 600 | $458.65 | $275K |
| 2025-08-26 | WINA | WINMARK CORP | M — Option exercise | 510 | $195.82 | $100K |
| 2025-08-26 | WINA | WINMARK CORP | M — Option exercise | 526 | $164.84 | $87K |
| 2025-08-26 | WINA | WINMARK CORP | M — Option exercise | 1.9K | $143.87 | $276K |
| 2025-07-17 | WINA | WINMARK CORP | J — Other acquisition / disposition | 53 | $0.00 | |
| 2024-11-07 | WINA | WINMARK CORP | S — Open-market sale | 300 | $400.50 | $120K |
| 2024-11-07 | WINA | WINMARK CORP | S — Open-market sale | 1.6K | $401.94 | $642K |
| 2024-11-07 | WINA | WINMARK CORP | S — Open-market sale | 1.1K | $402.76 | $443K |
| 2024-11-07 | WINA | WINMARK CORP | S — Open-market sale | 502 | $405.00 | $203K |
| 2024-11-07 | WINA | WINMARK CORP | M — Option exercise | 3.0K | $156.00 | $468K |
Brett D. Heffes is the Chair and CEO of Winmark Corporation, a company specializing in franchising value-oriented retail store concepts. Under his leadership, Winmark has focused on buying, selling, and trading gently used merchandise through its franchise network.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 17 open-market sales ($6.93M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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