Updated Jul 16, 2026
GRASSLE JENELE C is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $2.54M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-05 | WINA | WINMARK CORP | S — Open-market sale | 3.9K | $475.80 | $1.86M |
| 2026-02-27 | WINA | WINMARK CORP | M — Option exercise | 750 | $176.20 | $132K |
| 2026-02-27 | WINA | WINMARK CORP | M — Option exercise | 750 | $164.84 | $124K |
| 2026-02-27 | WINA | WINMARK CORP | M — Option exercise | 800 | $156.00 | $125K |
| 2026-02-27 | WINA | WINMARK CORP | M — Option exercise | 800 | $143.20 | $115K |
| 2026-02-27 | WINA | WINMARK CORP | M — Option exercise | 800 | $134.25 | $107K |
| 2025-05-16 | WINA | WINMARK CORP | S — Open-market sale | 1.6K | $428.23 | $685K |
| 2025-05-12 | WINA | WINMARK CORP | M — Option exercise | 800 | $90.99 | $73K |
| 2025-05-12 | WINA | WINMARK CORP | M — Option exercise | 800 | $91.93 | $74K |
GRASSLE JENELE C is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($2.54M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live GRASSLE JENELE C profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.