Stephanie L. O'Sullivan

CIK: 0001842003

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)19 (95.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (5.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

HII

HUNTINGTON INGALLS INDUSTRIES, INC.

Director

LEU

CENTRUS ENERGY CORP

Director

Discretionary Trading P&L

Holdings

Transaction History (20 total)

HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Oct 1, 2026
Award(A)
Direct
177 shares at avg. $274.33$49K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Sep 11, 2026
Award(A)
Direct
21 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Jul 1, 2026
Award(A)
Direct
174 shares at avg. $278.97$49K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Jun 12, 2026
Award(A)
Direct
19 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Apr 1, 2026
Award(A)
Direct
123 shares at avg. $393.32$48K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Mar 13, 2026
Award(A)
Direct
13 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Jan 2, 2026
Award(A)
Direct
139 shares at avg. $349.75$49K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Dec 12, 2025
Award(A)
Direct
16 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Oct 1, 2025
Award(A)
Direct
144 shares at avg. $286.01$41K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Sep 12, 2025
Award(A)
Direct
18 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Jul 1, 2025
Award(A)
Direct
167 shares at avg. $246.31$41K
LEU
CENTRUS ENERGY CORP
Jun 20, 2025
Award(A)
Direct
684 shares-
LEU
CENTRUS ENERGY CORP
Jun 20, 2025
Tax Payment(F)
Direct
1.2K shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Jun 13, 2025
Award(A)
Direct
20 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Apr 1, 2025
Award(A)
Direct
204 shares at avg. $202.20$41K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Mar 14, 2025
Award(A)
Direct
22 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Jan 2, 2025
Award(A)
Direct
219 shares at avg. $187.61$41K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Dec 13, 2024
Award(A)
Direct
20 shares-
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Oct 1, 2024
Award(A)
Direct
155 shares at avg. $264.65$41K
HII
HUNTINGTON INGALLS INDUSTRIES, INC.
Sep 13, 2024
Award(A)
Direct
14 shares-

		Type	Shares	Price		Ownership
Oct 1, 2026	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	177	$274.33	$48,556	Direct
Sep 11, 2026	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	21	-	$0	Direct
Jul 1, 2026	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	174	$278.97	$48,541	Direct
Jun 12, 2026	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	19	-	$0	Direct
Apr 1, 2026	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	123	$393.32	$48,378	Direct
Mar 13, 2026	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	13	-	$0	Direct
Jan 2, 2026	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	139	$349.75	$48,615	Direct
Dec 12, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	16	-	-	Direct
Oct 1, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	144	$286.01	$41,185	Direct
Sep 12, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	18	-	-	Direct
Jul 1, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	167	$246.31	$41,134	Direct
Jun 20, 2025	LEU CENTRUS ENERGY CORP	Award(A)	684	-	-	Direct
Jun 20, 2025	LEU CENTRUS ENERGY CORP	Tax Payment(F)	1,168	-	-	Direct
Jun 13, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	20	-	-	Direct
Apr 1, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	204	$202.20	$41,249	Direct
Mar 14, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	22	-	-	Direct
Jan 2, 2025	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	219	$187.61	$41,087	Direct
Dec 13, 2024	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	20	-	$0	Direct
Oct 1, 2024	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	155	$264.65	$41,021	Direct
Sep 13, 2024	HII HUNTINGTON INGALLS INDUSTRIES, INC.	Award(A)	14	-	$0	Direct

1-20 of 20 transactions

About O'Sullivan Stephanie L.

O'Sullivan Stephanie L. (SEC CIK 0001842003) files insider reports with the SEC as Director of HUNTINGTON INGALLS INDUSTRIES, INC. (HII) and Director of CENTRUS ENERGY CORP (LEU).

Signal8 holds 19 ownership filings by O'Sullivan Stephanie L., all Form 4s, filed between Sep 16, 2024 and Oct 2, 2026. Those filings report 20 transactions, from Sep 13, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on O'Sullivan Stephanie L.'s filings is in NEWPORT NEWS, VA.

Recent filings by O'Sullivan Stephanie L.

Oct 1, 2026: Grant or award of HII shares (Form 4, code A).
Sep 11, 2026: Grant or award of HII shares (Form 4, code A).
Jul 1, 2026: Grant or award of HII shares (Form 4, code A).
Jun 12, 2026: Grant or award of HII shares (Form 4, code A).
Apr 1, 2026: Grant or award of HII shares (Form 4, code A).

Other insiders filing for HUNTINGTON INGALLS INDUSTRIES, INC. (HII)

PETTERS C MICHAEL, Director
DENAULT LEO P, Director
McKibben Tracy B, Director
Faller Craig S., Director
Stanage Nick L, Director
Jimenez Frank R, Director

How to read Form 4 transaction codes