Brett D. Heffes, Chair and CEO of Winmark Corp ($WINA), sold shares on the open market eight times over the last year, totaling $3.4 million. His most recent sale occurred on August 27, 2025. These sales rank 2,511th among 11,678 individual insiders in our database, where the average is $8.6 million across about 6.4 transactions. Heffes made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 15, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | A | Employee Stock Option (right to buy) | 2712 | $444.54 | 52,243.0000 | 3,693,154 | 5.48% | 0.07% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 3305 | $143.87 | 44,144.0000 | 3,673,135 | 6.97% | 0.09% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 2103 | $176.20 | 46,041.0000 | 3,673,135 | 4.37% | 0.06% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 3394 | $164.84 | 44,144.0000 | 3,673,135 | 7.14% | 0.09% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 170 | $451.76 | 114,738.0000 | 3,673,135 | 0.15% | 0.00% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1630 | $452.72 | 114,908.0000 | 3,673,135 | 1.40% | 0.04% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1186 | $454.03 | 116,538.0000 | 3,673,135 | 1.01% | 0.03% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1985 | $454.95 | 117,724.0000 | 3,673,135 | 1.66% | 0.05% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 1390 | $143.87 | 119,709.0000 | 3,673,135 | 1.17% | 0.04% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 2868 | $164.84 | 118,319.0000 | 3,673,135 | 2.48% | 0.08% |
| Aug. 27, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 2103 | $176.20 | 115,451.0000 | 3,673,135 | 1.86% | 0.06% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 510 | $195.82 | 47,634.0000 | 3,673,135 | 1.06% | 0.01% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 800 | $453.82 | 113,989.0000 | 3,673,135 | 0.70% | 0.02% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 400 | $456.97 | 114,789.0000 | 3,673,135 | 0.35% | 0.01% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 600 | $458.65 | 115,189.0000 | 3,673,135 | 0.52% | 0.02% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 510 | $195.82 | 115,789.0000 | 3,673,135 | 0.44% | 0.01% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 526 | $164.84 | 115,279.0000 | 3,673,135 | 0.46% | 0.01% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 1915 | $143.87 | 114,753.0000 | 3,673,135 | 1.70% | 0.05% |
| Aug. 26, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 641 | $452.07 | 113,348.0000 | 3,673,135 | 0.56% | 0.02% |
| July 17, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | W | Common Stock | 53 | $0.00 | 112,838.0000 | 3,673,135 | 0.05% | 0.00% |
| June 1, 2025 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | A | Employee Stock Option (right to buy) | 2984 | $424.82 | 58,843.0000 | 3,672,943 | 5.34% | 0.08% |
| Dec. 9, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | A | Employee Stock Option (right to buy) | 3260 | $400.97 | 55,859.0000 | 3,671,121 | 6.20% | 0.09% |
| Nov. 6, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1598 | $401.94 | 224,585.0000 | 3,671,121 | 0.71% | 0.04% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 3497 | $143.20 | 226,782.0000 | 3,671,121 | 1.57% | 0.10% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 2000 | $156.00 | 228,782.0000 | 3,671,121 | 0.88% | 0.05% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 168 | $395.49 | 228,614.0000 | 3,671,121 | 0.07% | 0.00% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1150 | $395.00 | 227,464.0000 | 3,671,121 | 0.50% | 0.03% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 166 | $393.64 | 227,298.0000 | 3,671,121 | 0.07% | 0.00% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 2113 | $392.92 | 225,185.0000 | 3,671,121 | 0.93% | 0.06% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1900 | $390.00 | 223,285.0000 | 3,671,121 | 0.84% | 0.05% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 695 | $143.87 | 223,980.0000 | 3,671,121 | 0.31% | 0.02% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 305 | $143.20 | 224,285.0000 | 3,671,121 | 0.14% | 0.01% |
| Nov. 6, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 500 | $143.20 | 224,785.0000 | 3,671,121 | 0.22% | 0.01% |
| Nov. 6, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 3000 | $156.00 | 227,785.0000 | 3,671,121 | 1.33% | 0.08% |
| Nov. 6, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 502 | $405.00 | 227,283.0000 | 3,671,121 | 0.22% | 0.01% |
| Nov. 6, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1100 | $402.76 | 226,183.0000 | 3,671,121 | 0.48% | 0.03% |
| Nov. 6, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 300 | $400.50 | 224,285.0000 | 3,671,121 | 0.13% | 0.01% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 4302 | $143.20 | 49,294.0000 | 3,671,121 | 8.03% | 0.12% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 5000 | $156.00 | 49,294.0000 | 3,671,121 | 9.21% | 0.14% |
| Nov. 5, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 695 | $143.87 | 52,599.0000 | 3,671,121 | 1.30% | 0.02% |
| June 1, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | A | Employee Stock Option (right to buy) | 3580 | $355.90 | 62,596.0000 | 3,661,367 | 6.07% | 0.10% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 606 | $164.84 | 59,016.0000 | 3,661,367 | 1.02% | 0.02% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 5000 | $134.25 | 55,622.0000 | 3,661,367 | 8.25% | 0.14% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Employee Stock Option (right to buy) | 4184 | $122.50 | 55,622.0000 | 3,661,367 | 7.00% | 0.11% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 606 | $164.84 | 111,785.0000 | 3,661,367 | 0.55% | 0.02% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 894 | $122.50 | 111,179.0000 | 3,661,367 | 0.81% | 0.02% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 2257 | $366.46 | 110,285.0000 | 3,661,367 | 2.01% | 0.06% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 314 | $367.81 | 112,542.0000 | 3,661,367 | 0.28% | 0.01% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 3188 | $372.14 | 112,856.0000 | 3,661,367 | 2.75% | 0.09% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 504 | $373.23 | 116,044.0000 | 3,661,367 | 0.43% | 0.01% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 200 | $374.16 | 116,548.0000 | 3,661,367 | 0.17% | 0.01% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 4 | $379.23 | 116,748.0000 | 3,661,367 | 0.00% | 0.00% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 10 | $380.36 | 116,752.0000 | 3,661,367 | 0.01% | 0.00% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 1667 | $383.31 | 116,762.0000 | 3,661,367 | 1.41% | 0.05% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | S | Common Stock | 146 | $385.35 | 118,429.0000 | 3,661,367 | 0.12% | 0.00% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 3290 | $122.50 | 113,575.0000 | 3,661,367 | 2.98% | 0.09% |
| April 18, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | M | Common Stock | 5000 | $134.25 | 118,575.0000 | 3,661,367 | 4.40% | 0.14% |
| Jan. 24, 2024 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIR AND CEO | Z | Common Stock | 285 | $0.00 | 110,285.0000 | 3,640,524 | 0.26% | 0.01% |
| June 1, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | A | Employee Stock Option (right to buy) | 4120 | $325.99 | 68,806.0000 | 3,594,234 | 6.37% | 0.11% |
| April 26, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | M | Common Stock | 5000 | $125.50 | 115,027.0000 | 3,594,234 | 4.54% | 0.14% |
| April 26, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | S | Common Stock | 2216 | $335.25 | 112,811.0000 | 3,594,234 | 1.93% | 0.06% |
| April 26, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | S | Common Stock | 1009 | $338.43 | 111,802.0000 | 3,594,234 | 0.89% | 0.03% |
| April 26, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | S | Common Stock | 3302 | $340.07 | 108,500.0000 | 3,594,234 | 2.95% | 0.09% |
| April 26, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | M | Common Stock | 1602 | $98.25 | 110,102.0000 | 3,594,234 | 1.48% | 0.04% |
| April 26, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | M | Common Stock | 698 | $143.20 | 110,800.0000 | 3,594,234 | 0.63% | 0.02% |
| April 27, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | G | Common Stock | 800 | $0.00 | 110,000.0000 | 3,594,234 | 0.72% | 0.02% |
| April 27, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | M | Employee Stock Option (right to buy) | 3129 | $98.25 | 60,384.0000 | 3,594,234 | 4.93% | 0.09% |
| April 27, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | M | Employee Stock Option (right to buy) | 698 | $143.20 | 64,686.0000 | 3,594,234 | 1.07% | 0.02% |
| April 27, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | M | Employee Stock Option (right to buy) | 5000 | $125.50 | 60,384.0000 | 3,594,234 | 7.65% | 0.14% |
| April 26, 2023 | WINMARK CORP | $WINA | HEFFES BRETT D | CHAIRMAN AND CEO | M | Common Stock | 1527 | $98.25 | 110,027.0000 | 3,594,234 | 1.41% | 0.04% |