Summary
Latest filing:
Krzysztof W. Jamroz files SEC Form 4 reports at Global Crossing Airlines Group Inc. (JETMF). 2 SEC Form 4 filings on record going back to 2024, most recently on 18 November 2025. Most recent open-market trade: bought $178K of JETMF on 31 December 2024. Lifetime open-market purchases: $535K.
Recent Transactions
4Every recent SEC Form 4 transaction Krzysztof W. Jamroz 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 Krzysztof W. Jamroz 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.
- Red Oak Partners, LLC - $1.10M of JETMF open-market activity in the last 12 months
- Ryan Goepel - $451K of JETMF 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 Krzysztof W. Jamroz?
Krzysztof W. Jamroz is a corporate insider of Global Crossing Airlines Group Inc. (JETMF). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Krzysztof W. Jamroz last file a Form 4?
The most recent primary Form 4 on record is dated 18 November 2025, one of 2 filings going back to 2024.
Has Krzysztof W. Jamroz been buying or selling stock?
Recorded transactions: 2 open-market purchases ($535K) and 0 open-market sales across all tracked filings.
Where can I see all of Krzysztof W. Jamroz'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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