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Are Winmark Insiders Buying or Selling?
Winmark (WINA) has had no reported insider transactions in the past 90 days. The most recent was JENELE GRASSLE, who sold 3,900 shares at $475.80 on March 4, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the WINA AI Score. For government officials trading this stock, see WINA congressional trading.
Who’s Trading Winmark Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| BRETT HEFFES | Sold $6.9M | 17 | Aug 27, 2025 |
| JENELE GRASSLE | Sold $3.6M | 3 | Mar 4, 2026 |
| Anthony Ishaug | Sold $3.2M | 12 | May 30, 2025 |
| RONALD OLSON | Sold $2.7M | 4 | Nov 25, 2024 |
| Lawrence Barbetta | Sold $1.7M | 4 | Sep 17, 2025 |
| Renae Gaudette | Sold $1.1M | 3 | Oct 24, 2025 |
Recent Winmark Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| JENELE GRASSLE | Mar 4, 2026 | Sell | 3,900 | $475.8 | $1.9M |
| Tomlinson Percy C Jr | Mar 3, 2026 | Sell | 1,660 | $460.52 | $760,000 |
| JENELE GRASSLE | Nov 21, 2025 | Sell | 2,400 | $420.87 | $1M |
| Renae Gaudette | Oct 24, 2025 | Sell | 1,100 | $415.43 | $460,000 |
| Renae Gaudette | Oct 24, 2025 | Sell | 100 | $435.62 | $44,000 |
| Lawrence Barbetta | Sep 17, 2025 | Sell | 636 | $504.91 | $320,000 |
| Lawrence Barbetta | Sep 17, 2025 | Sell | 216 | $505.33 | $110,000 |
| BRETT HEFFES | Aug 27, 2025 | Sell | 1,985 | $454.95 | $900,000 |
| BRETT HEFFES | Aug 27, 2025 | Sell | 1,630 | $452.72 | $740,000 |
| BRETT HEFFES | Aug 27, 2025 | Sell | 1,186 | $454.03 | $540,000 |
| BRETT HEFFES | Aug 27, 2025 | Sell | 170 | $451.76 | $77,000 |
| BRETT HEFFES | Aug 26, 2025 | Sell | 800 | $453.82 | $360,000 |
| BRETT HEFFES | Aug 26, 2025 | Sell | 641 | $452.07 | $290,000 |
| BRETT HEFFES | Aug 26, 2025 | Sell | 600 | $458.65 | $280,000 |
| BRETT HEFFES | Aug 26, 2025 | Sell | 400 | $456.97 | $180,000 |
| SPRENGER GINA DECARO | Aug 13, 2025 | Buy | 250 | $410.77 | $100,000 |
| Anthony Ishaug | May 30, 2025 | Sell | 2,859 | $427.07 | $1.2M |
| Anthony Ishaug | May 30, 2025 | Sell | 457 | $422 | $190,000 |
| Anthony Ishaug | May 30, 2025 | Sell | 300 | $423.13 | $130,000 |
| Anthony Ishaug | May 30, 2025 | Sell | 200 | $428.14 | $86,000 |
| Anthony Ishaug | May 30, 2025 | Sell | 184 | $420.6 | $77,000 |
| JENELE GRASSLE | May 16, 2025 | Sell | 1,600 | $428.23 | $690,000 |
| Anthony Ishaug | May 6, 2025 | Sell | 1,034 | $367.03 | $380,000 |
| Anthony Ishaug | May 6, 2025 | Sell | 308 | $365.09 | $110,000 |
| Anthony Ishaug | May 6, 2025 | Sell | 169 | $368.14 | $62,000 |
| Anthony Ishaug | May 6, 2025 | Sell | 89 | $365.61 | $33,000 |
| Lawrence Barbetta | Nov 25, 2024 | Sell | 1,986 | $425.21 | $840,000 |
| Lawrence Barbetta | Nov 25, 2024 | Sell | 1,035 | $426.02 | $440,000 |
| RONALD OLSON | Nov 25, 2024 | Sell | 2,259 | $424.12 | $960,000 |
| RONALD OLSON | Nov 25, 2024 | Sell | 1,400 | $424.35 | $590,000 |
| RONALD OLSON | Nov 22, 2024 | Sell | 1,500 | $407.95 | $610,000 |
| RONALD OLSON | Nov 22, 2024 | Sell | 1,241 | $407.4 | $510,000 |
| BRETT HEFFES | Nov 6, 2024 | Sell | 1,598 | $401.94 | $640,000 |
| BRETT HEFFES | Nov 6, 2024 | Sell | 1,100 | $402.76 | $440,000 |
| BRETT HEFFES | Nov 6, 2024 | Sell | 502 | $405 | $200,000 |
| BRETT HEFFES | Nov 6, 2024 | Sell | 300 | $400.5 | $120,000 |
| BRETT HEFFES | Nov 5, 2024 | Sell | 2,113 | $392.92 | $830,000 |
| BRETT HEFFES | Nov 5, 2024 | Sell | 1,900 | $390 | $740,000 |
| BRETT HEFFES | Nov 5, 2024 | Sell | 1,150 | $395 | $450,000 |
| BRETT HEFFES | Nov 5, 2024 | Sell | 168 | $395.49 | $66,000 |
| BRETT HEFFES | Nov 5, 2024 | Sell | 166 | $393.64 | $65,000 |
| Renae Gaudette | Oct 25, 2024 | Sell | 1,500 | $380.11 | $570,000 |
| Anthony Ishaug | Oct 18, 2024 | Sell | 1,800 | $383.06 | $690,000 |
| Anthony Ishaug | Oct 18, 2024 | Sell | 400 | $380.14 | $150,000 |
| Anthony Ishaug | Oct 18, 2024 | Sell | 100 | $381.09 | $38,000 |
Frequently Asked Questions: Winmark Insider Trading
Winmark insiders have not reported any transactions in the past 90 days.
The most recent sale was by JENELE GRASSLE who sold 3,900 shares on March 4, 2026. View all transactions in the table on this page.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
SPRENGER GINA DECARO has bought the most WINA stock in the last 2 years, with a total value of $100,000.
HEFFES BRETT D has sold the most WINA stock in the last 2 years, with a total value of $6.9M.
The total value of insider transactions for Winmark in the last 2 years is negative, amounting to -$20M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.
