Summary
Updated Aug 30, 2026
Jack L. Kopnisky is Director of Amerant Bancorp Inc. (AMTB). 2 SEC Form 4 filings on record going back to 2025, most recently on 4 June 2026. Most recent open-market trade: bought $101K of AMTB on 28 July 2025. Lifetime open-market purchases: $101K.
Recent Transactions
1Every recent SEC Form 4 transaction Jack L. Kopnisky 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 Jack L. Kopnisky 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.
- Odilon Almeida - $101K of AMTB open-market activity in the last 12 months
- Carlos Iafigliola - $42K of AMTB 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 Jack L. Kopnisky?
Jack L. Kopnisky is a corporate insider, tracked as Director of Amerant Bancorp Inc. (AMTB). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jack L. Kopnisky submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jack L. Kopnisky been buying or selling stock?
Recorded transactions: 1 open-market purchase ($101K) and 0 open-market sales across all tracked filings.
Where can I see all of Jack L. Kopnisky'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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