Summary
Latest filing:
Gina Decaro Sprenger files SEC Form 4 reports at WINMARK CORP (WINA). 3 SEC Form 4 filings on record going back to 2024, most recently on 1 June 2026. Most recent open-market trade: bought $103K of WINA on 13 August 2025. Lifetime open-market purchases: $103K.
Recent transactions
1The latest SEC Form 4 transaction reported by Gina Decaro Sprenger.
Trading pattern
InsiderAlpha's records for Gina Decaro Sprenger go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $103K (1 buy totaling $103K). The largest single buy on record is $103K of WINA in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Gina Decaro Sprenger files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jenele C. Grassle - $2.87M in WINA purchases and sales in the last 12 months
- Percy C. Tomlinson Jr. - $764K in WINA purchases and sales in the last 12 months
- Renae M. Gaudette - $501K in WINA purchases and sales in the last 12 months
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Frequently asked questions
Who is Gina Decaro Sprenger?
Gina Decaro Sprenger is a corporate insider of WINMARK CORP (WINA). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Gina Decaro Sprenger last file a Form 4?
The most recent primary Form 4 on record is dated 1 June 2026, one of 3 filings going back to 2024.
Has Gina Decaro Sprenger been buying or selling stock?
Recorded transactions: 1 open-market purchase ($103K) and 0 open-market sales across all tracked filings.