Summary
Updated Aug 31, 2026
Roger Mj Thompson is CHIEF FINANCIAL OFFICER of Janus Henderson Group Ltd. (JHG). 3 SEC Form 4 filings on record going back to 2025, most recently on 4 March 2026. Most recent open-market trade: sold $814K of JHG on 12 February 2026. Lifetime open-market sales: $2.06M.
Recent Transactions
5Every recent SEC Form 4 transaction Roger Mj Thompson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Roger Mj Thompson go back to 2025: 3 primary Form 4 filings, an average of 1.5 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 Roger Mj Thompson 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
- Michelle Rosenberg - $1.08M 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 Roger Mj Thompson?
Roger Mj Thompson is a corporate insider, tracked as CHIEF FINANCIAL OFFICER of Janus Henderson Group Ltd. (JHG). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Roger Mj Thompson last file a Form 4?
The most recent primary Form 4 on record is dated 4 March 2026, one of 3 filings going back to 2025.
Has Roger Mj Thompson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($2.06M) across all tracked filings.
Where can I see all of Roger Mj Thompson'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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