Summary
Updated Aug 31, 2026
David A. Dykstra is VICE CHAIRMAN AND COO of WINTRUST FINANCIAL CORP (WTFC). 14 SEC Form 4 filings on record going back to 2024, most recently on 21 August 2026. Most recent open-market trade: sold $2.20M of WTFC on 13 August 2026. Lifetime open-market sales: $7.38M.
Recent Transactions
14Every recent SEC Form 4 transaction David A. Dykstra has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David A. Dykstra go back to 2024: 14 primary Form 4 filings, an average of 4.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies David A. Dykstra 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.
- Kathleen M. Boege - $1.53M of WTFC open-market activity in the last 12 months
- Richard B. Murphy - $1.07M of WTFC open-market activity in the last 12 months
- David L. Stoehr - $820K of WTFC open-market activity in the last 12 months
- Jeffrey D. Hahnfeld - $123K of WTFC open-market activity in the last 12 months
- David Eric Lee - $82K of WTFC open-market activity in the last 12 months
- Suzet M. McKinney - $74K of WTFC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David A. Dykstra?
David A. Dykstra is a corporate insider, tracked as VICE CHAIRMAN AND COO of WINTRUST FINANCIAL CORP (WTFC). InsiderAlpha holds 14 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David A. Dykstra submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has David A. Dykstra been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($7.38M) across all tracked filings.
Where can I see all of David A. Dykstra's SEC 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.
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