| Date | Action | Shares | Price | Value | Owned After |
|---|---|---|---|---|---|
| Aug 27, 2025 | Option exercise(M) | 1K | $143.87 | $200K | 119K |
| Aug 27, 2025 | Sell(S) | 2K | $454.95 | $903K | 117K |
| Aug 27, 2025 | Sell(S) | 1K | $454.03 | $538K | 116K |
| Aug 27, 2025 | Sell(S) | 2K | $452.72 | $738K | 115K |
| Aug 27, 2025 | Sell(S) | 170 | $451.76 | $77K | 114K |
| Aug 27, 2025 | Option exercise(M) | 2K | $176.20 | $371K | 115K |
| Aug 27, 2025 | Option exercise(M) | 3K | $164.84 | $473K | 118K |
| Aug 26, 2025 | Option exercise(M) | 510 | $195.82 | $100K | 115K |
| Aug 26, 2025 | Sell(S) | 600 | $458.65 | $275K | 115K |
| Aug 26, 2025 | Sell(S) | 400 | $456.97 | $183K | 114K |
| Aug 26, 2025 | Sell(S) | 800 | $453.82 | $363K | 114K |
| Aug 26, 2025 | Sell(S) | 641 | $452.07 | $290K | 113K |
| Aug 26, 2025 | Option exercise(M) | 2K | $143.87 | $276K | 114K |
| Aug 26, 2025 | Option exercise(M) | 526 | $164.84 | $87K | 115K |
| Date | Action | Shares | Price | Value | Owned After |
|---|---|---|---|---|---|
| Aug 27, 2025 | Option exercise(M) | 2K | $176.20 | $371K | 2K |
| Aug 26, 2025 | Option exercise(M) | 3K | $164.84 | $559K | 0 |
| Aug 26, 2025 | Option exercise(M) | 510 | $195.82 | $100K | 3K |
| Aug 26, 2025 | Option exercise(M) | 3K | $143.87 | $475K | 0 |
Parsed from a single SEC EDGAR Form 4 filing (accession 0001415889-25-023218) within minutes of acceptance. Every field above traces to the original document. Verify it directly:
Connected pages for WINMARK CORP
This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/filing/0001415889-25-023218"
Use Arkolith to summarize insider buying and selling at WINMARK CORP over the last 90 days and cite the filings.