O'Sullivan Stephanie L. — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

O'Sullivan Stephanie L. has filed 2 SEC Form 4 filings across 1 company in the last 90 days.

Profile

O'Sullivan Stephanie L.

Stephanie L. O'Sullivan is a corporate director known for her roles at Huntington Ingalls Industries and Centrus Energy Corp. She has participated in various SEC filings, indicating her involvement in corporate governance.

RoleDirector
Notability30/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-02HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award174$278.97$49K
2026-06-15HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award19$0.00
2026-04-03HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award123$393.32$48K
2026-03-16HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award13$0.00
2025-10-01HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award144$286.01$41K
2025-09-12HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award18$0.00
2025-07-01HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award167$246.31$41K
2025-06-20LEUCENTRUS ENERGY CORPF — Tax withholding / forfeiture1.2K$0.00
2025-06-20LEUCENTRUS ENERGY CORPA — Grant or award684$0.00
2024-12-16HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award20$0.00
2024-10-02HIIHUNTINGTON INGALLS INDUSTRIES, INC.A — Grant or award155$264.65$41K

Companies — Last 90 Days

Frequently Asked Questions

Who is O'Sullivan Stephanie L.?

Stephanie L. O'Sullivan is a corporate director known for her roles at Huntington Ingalls Industries and Centrus Energy Corp. She has participated in various SEC filings, indicating her involvement in corporate governance.…

How many SEC Form 4 filings has O'Sullivan Stephanie L. submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Where can I see all of O'Sullivan Stephanie L.'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

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