Brett D. Heffes
CHAIRMAN AND CEO at Winmark Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Winmark Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Winmark Corporation April 22, 202698.1%
-
Winmark Corporation April 23, 202598.4%
-
Winmark Corporation April 24, 202497.2%
-
Winmark Corporation April 26, 202396.0%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 27, 2025 | Winmark Corporation | Option exercise | +2,103 | $176.20 | $370,549 |
| Aug 27, 2025 | Winmark Corporation | Option exercise | +2,868 | $164.84 | $472,761 |
| Aug 27, 2025 | Winmark Corporation | Option exercise | +1,390 | $143.87 | $199,979 |
| Aug 27, 2025 | Winmark Corporation | Open-market sale | −1,985 | $454.95 | $903,076 |
| Aug 27, 2025 | Winmark Corporation | Open-market sale | −1,186 | $454.03 | $538,480 |
| Aug 27, 2025 | Winmark Corporation | Open-market sale | −1,630 | $452.72 | $737,934 |
| Aug 27, 2025 | Winmark Corporation | Open-market sale | −170 | $451.76 | $76,799 |
| Aug 26, 2025 | Winmark Corporation | Option exercise | +1,915 | $143.87 | $275,511 |
| Aug 26, 2025 | Winmark Corporation | Option exercise | +526 | $164.84 | $86,706 |
| Aug 26, 2025 | Winmark Corporation | Option exercise | +510 | $195.82 | $99,868 |
| Aug 26, 2025 | Winmark Corporation | Open-market sale | −600 | $458.65 | $275,190 |
| Aug 26, 2025 | Winmark Corporation | Open-market sale | −400 | $456.97 | $182,788 |
| Aug 26, 2025 | Winmark Corporation | Open-market sale | −800 | $453.82 | $363,056 |
| Aug 26, 2025 | Winmark Corporation | Open-market sale | −641 | $452.07 | $289,777 |
| Jul 17, 2025 | Winmark Corporation | Inheritance | +53 | — | — |
Questions about Brett D. Heffes
What boards is Brett D. Heffes on?
Brett D. Heffes sits on the board of Winmark Corporation.
What company is Brett D. Heffes the CEO of?
Brett D. Heffes is CHAIRMAN AND CEO of Winmark Corporation.
How long has Brett D. Heffes served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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