Summary
Updated Aug 31, 2026
Karen Hartje is Chief Financial Officer of Sezzle Inc. (SEZL). 6 SEC Form 4 filings on record going back to 2024, most recently on 14 November 2025. Most recent open-market trade: sold $36K of SEZL on 6 October 2025. Lifetime open-market sales: $1.39M.
Recent Transactions
12Every recent SEC Form 4 transaction Karen Hartje has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Karen Hartje go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. 4 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Karen Hartje 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.
- Paul Paradis - $17.21M of SEZL open-market activity in the last 12 months
- Lee Dickson Brading - $6.14M of SEZL open-market activity in the last 12 months
- Justin Krause - $1.73M of SEZL open-market activity in the last 12 months
- Amin Sabzivand - $1.61M of SEZL open-market activity in the last 12 months
- Charles Youakim - $513K of SEZL open-market activity in the last 12 months
- Kyle M. Brehm - $196K of SEZL 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 Karen Hartje?
Karen Hartje is a corporate insider, tracked as Chief Financial Officer of Sezzle Inc. (SEZL). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Karen Hartje last file a Form 4?
The most recent primary Form 4 on record is dated 14 November 2025, one of 6 filings going back to 2024.
Has Karen Hartje been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($1.39M) across all tracked filings.
Where can I see all of Karen Hartje'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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