Insiders who reported open-market trades in the last 12 months at the companies Stephanie L. O'Sullivan 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.
Stephanie L. O'Sullivan is a corporate insider, tracked as Director of HUNTINGTON INGALLS INDUSTRIES, INC. (HII). InsiderAlpha holds 12 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 Stephanie L. O'Sullivan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Stephanie L. O'Sullivan is Director of HUNTINGTON INGALLS INDUSTRIES, INC. (HII). 12 SEC Form 4 filings on record going back to 2024, most recently on 2 October 2026.
Recent transactions
13
The latest 13 SEC Form 4 transactions reported by Stephanie L. O'Sullivan.
InsiderAlpha's records for Stephanie L. O'Sullivan go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
