Summary
Updated Aug 30, 2026
Ryan Kilcullen is Chief Operations Officer of James Hardie Industries plc (JHX). 2 SEC Form 4 filings on record, most recently on 19 August 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Ryan Kilcullen 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 Ryan Kilcullen 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.
- Jesse G. Singh - $26.33M of JHX open-market activity in the last 12 months
- Jonathan Skelly - $1.98M of JHX open-market activity in the last 12 months
- Suzanne B. Rowland - $69K of JHX 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 Ryan Kilcullen?
Ryan Kilcullen is a corporate insider, tracked as Chief Operations Officer of James Hardie Industries plc (JHX). 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 Ryan Kilcullen submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Ryan Kilcullen'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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