Summary
Updated Aug 30, 2026
Michael L. Jezewski is Director of FIRST KEYSTONE CORP (FKYS). 2 SEC Form 4 filings on record going back to 2025, most recently on 28 May 2026. Most recent open-market trade: bought $2K of FKYS on 28 May 2026. Lifetime open-market purchases: $12K. Historical track record: 3/5 stars across 4 tracked purchases.
Recent Transactions
4Every recent SEC Form 4 transaction Michael L. Jezewski has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michael L. Jezewski 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.
- Donald Matthew Bower - $94K of FKYS open-market activity in the last 12 months
- Michelle M. Karas - $12K of FKYS 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 Michael L. Jezewski?
Michael L. Jezewski is a corporate insider, tracked as Director of FIRST KEYSTONE CORP (FKYS). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Michael L. Jezewski last file a Form 4?
The most recent primary Form 4 on record is dated 28 May 2026, one of 2 filings going back to 2025.
Has Michael L. Jezewski been buying or selling stock?
Recorded transactions: 4 open-market purchases ($12K) and 0 open-market sales across all tracked filings.
How accurate is Michael L. Jezewski's historical track record?
Across 4 tracked purchases, Michael L. Jezewski averaged +0.7% avg 30-day return with a 75% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
Where can I see all of Michael L. Jezewski'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.
Learn More
Follow Michael L. Jezewski and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
