| 2021-05-06 | Sale | Winmark Corporation WINA | 10 percent owner | 4,000 0.1083% | $196.50 | $786,015 | +12.08% | |
| 2020-03-30 | Sale | Winmark Corporation WINA | 10 percent owner | 3,300 0.0901% | $131.08 | $432,550 | +29.55% | |
| 2020-03-27 | Sale | Winmark Corporation WINA | 10 percent owner | 4,200 0.113% | $131.06 | $550,463 | +28.24% | |
| 2020-03-26 | Sale | Winmark Corporation WINA | 10 percent owner | 12,500 0.3299% | $135.41 | $1.69M | +21.72% | |
| 2020-03-25 | Sale | Winmark Corporation WINA | 10 percent owner | 5,500 0.1444% | $131.03 | $720,651 | +24.98% | |
| 2020-03-24 | Sale | Winmark Corporation WINA | 10 percent owner | 4,500 0.1195% | $127.87 | $575,406 | +29.25% | |
| 2020-01-06 | Sale | Winmark Corporation WINA | 10 percent owner | 5,000 0.1342% | $198.32 | $991,577 | -16.7% | |
| 2019-03-21 | Sale | Winmark Corporation WINA | 10 percent owner | 200 0.0052% | $170.00 | $34,000 | +5.93% | |
| 2019-03-20 | Sale | Winmark Corporation WINA | 10 percent owner | 1,700 0.044% | $170.53 | $289,907 | +5.47% | |
| 2019-03-12 | Sale | Winmark Corporation WINA | 10 percent owner | 900 0.0232% | $171.00 | $153,900 | +4.66% | |
| 2019-03-04 | Sale | Winmark Corporation WINA | 10 percent owner | 534 0.0138% | $174.44 | $93,151 | +2.53% | |
| 2019-03-01 | Sale | Winmark Corporation WINA | 10 percent owner | 1,566 0.0399% | $173.77 | $272,124 | +1.48% | |
| 2018-08-15 | Sale | Winmark Corporation WINA | director | 600 0.0154% | $147.50 | $88,500 | +12.8% | |
| 2018-08-14 | Sale | Winmark Corporation WINA | director | 965 0.0248% | $147.50 | $142,338 | +12.76% | |
| 2018-08-13 | Sale | Winmark Corporation WINA | director | 2,000 0.0515% | $147.50 | $295,000 | +12.76% | |
| 2018-08-09 | Sale | Winmark Corporation WINA | 10 percent owner | 3,000 0.0772% | $147.55 | $442,650 | +12.75% | |
| 2018-08-08 | Sale | Winmark Corporation WINA | 10 percent owner | 1,000 0.0259% | $147.55 | $147,550 | +13.34% | |
| 2018-08-07 | Sale | Winmark Corporation WINA | 10 percent owner | 2,000 0.0515% | $147.51 | $295,020 | +12.54% | |
| 2018-08-03 | Sale | Winmark Corporation WINA | 10 percent owner | 1,300 0.0333% | $147.50 | $191,750 | +11.86% | |
| 2018-08-02 | Sale | Winmark Corporation WINA | 10 percent owner | 700 0.018% | $147.50 | $103,250 | +12.35% |