Summary
Updated Aug 31, 2026
Michelle Rosenberg is CAO & GENERAL COUNSEL of Janus Henderson Group Ltd. (JHG). 5 SEC Form 4 filings on record going back to 2024, most recently on 3 July 2026. Most recent open-market trade: sold $1.08M of JHG on 19 February 2026. Lifetime open-market sales: $1.35M.
Recent Transactions
12Every recent SEC Form 4 transaction Michelle Rosenberg has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michelle Rosenberg go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michelle Rosenberg 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.
- Joshua D. Frank - $320.61M of JHG open-market activity in the last 12 months
- Brian M. Baldwin - $320.61M of JHG open-market activity in the last 12 months
- Ali Dibadj - $6.27M of JHG open-market activity in the last 12 months
- Roger Mj Thompson - $2.06M of JHG open-market activity in the last 12 months
- William B. Cassidy - $886K of JHG open-market activity in the last 12 months
- Megan Podzorov - $85K of JHG 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 Michelle Rosenberg?
Michelle Rosenberg is a corporate insider, tracked as CAO & GENERAL COUNSEL of Janus Henderson Group Ltd. (JHG). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michelle Rosenberg submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Michelle Rosenberg been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.35M) across all tracked filings.
Where can I see all of Michelle Rosenberg'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 Michelle Rosenberg 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