Over the past year there were no insider purchases at Winmark Corp. Three insiders sold roughly $4.1 million instead.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
Big money check: 216 institutions held WINA as of Q2 2026, and funds were split between buying and selling. Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 1 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Mar 5, 2026 | GRASSLE JENELE C | Director | Sell | 3,900 | $475.80 | $1.9M | SEC |
| Mar 3, 2026 | Tomlinson Percy C Jr | Director | Sell | 1,660 | $460.52 | $764K | SEC |
| Nov 21, 2025 | GRASSLE JENELE C | Director | Sell | 2,400 | $420.87 | $1.0M | SEC |
| Oct 24, 2025 | Gaudette Renae M. | COO | Sell | 1,100 | $415.43 | $457K | SEC |
| Oct 24, 2025 | Gaudette Renae M. | COO | Sell | 100 | $435.62 | $44K | SEC |
| Sep 18, 2025 | Barbetta Lawrence A | Director | Sell | 216 | $505.33 | $109K | SEC |
| Sep 18, 2025 | Barbetta Lawrence A | Director | Sell | 636 | $504.91 | $321K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 600 | $458.65 | $275K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 400 | $456.97 | $183K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 800 | $453.82 | $363K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 641 | $452.07 | $290K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 1,985 | $454.95 | $903K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 1,186 | $454.03 | $538K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 1,630 | $452.72 | $738K | SEC |
| Aug 28, 2025 | HEFFES BRETT D | CEO | Sell | 170 | $451.76 | $77K | SEC |
In the last 12 months Winmark Corp insiders made open-market purchases worth about $0 and sales worth about $4.1 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in WINA was filed on 2026-03-05.
216 investment managers reported holding WINA in SEC Form 13F filings for Q2 2026.
No congressional trades in WINA were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).