Summary
Updated Aug 30, 2026
Karen G. Brennan is CEO Leasing Advisory of JONES LANG LASALLE INC (JLL). 5 SEC Form 4 filings on record going back to 2025, most recently on 10 April 2026.
Recent Transactions
6Every recent SEC Form 4 transaction Karen G. Brennan 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 Karen G. Brennan 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.
- Christian Ulbrich - $10.49M of JLL open-market activity in the last 12 months
- Richard Bloxam - $1.62M of JLL open-market activity in the last 12 months
- Deborah H. McAneny - $751K of JLL open-market activity in the last 12 months
- Larry Quinlan - $240K of JLL 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 G. Brennan?
Karen G. Brennan is a corporate insider, tracked as CEO Leasing Advisory of JONES LANG LASALLE INC (JLL). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Karen G. Brennan last file a Form 4?
The most recent primary Form 4 on record is dated 10 April 2026, one of 5 filings going back to 2025.
Where can I see all of Karen G. Brennan'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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