Winmark Corp. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Winmark Corp. filed 5 open-market sales worth $4.1 million and 0 open-market purchases, on Form 4 with the SEC. The latest: Grassle Jenele C, Director, sold 3,900 shares at $475.80 on 4 March 2026, filed 5 March 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 4 March 2026 | Grassle Jenele C | Director | Sale | 3,900 | $475.80 | $1.9 million | Form 4 |
| 3 March 2026 | Tomlinson Percy C Jr | Director | Sale | 1,660 | $460.52 | $764,463 | Form 4 |
| 21 November 2025 | Grassle Jenele C | Director | Sale | 2,400 | $420.87 | $1.0 million | Form 4 |
| 24 October 2025 | Gaudette Renae M. | Chief Operating Officer | Sale | 100 | $435.62 | $43,562 | Form 4 |
| 24 October 2025 | Gaudette Renae M. | Chief Operating Officer | Sale | 1,100 | $415.43 | $456,973 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Winmark Corp.: the company's filing index.
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