Summary
Updated Aug 30, 2026
Patrick J. Mahaffy is Director of Medicus Pharma Ltd. (MDCX). 2 SEC Form 4 filings on record, most recently on 4 June 2026.
Trading Pattern
InsiderAlpha's records for Patrick J. Mahaffy go back to 2026: 2 primary Form 4 filings, an average of 2.0 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 Sector
No other insider has filed at Patrick J. Mahaffy's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- BAKER BROS. ADVISORS LP - $172.50M of KYMR open-market activity in the last 12 months
- Keith S. Manchester - $154.47M of ROIV open-market activity in the last 12 months
- QVT Financial LP - $147.38M of ROIV open-market activity in the last 12 months
- Daniel Allen Gold - $147.38M of ROIV open-market activity in the last 12 months
- ULSE Inc. - $146.25M of ULS open-market activity in the last 12 months
- Fairmount Funds Management LLC - $133.53M of APGE 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 Patrick J. Mahaffy?
Patrick J. Mahaffy is a corporate insider, tracked as Director of Medicus Pharma Ltd. (MDCX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Patrick J. Mahaffy submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Patrick J. Mahaffy'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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