Thomas Arthur Bell

CIK: 0001973788

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)5 (45.5%)

Compensation grants

Other (G, F, J, C, D, …)6 (54.5%)

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

Companies & Roles (1)

LDOS

Leidos Holdings, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (11 total)

LDOS
Leidos Holdings, Inc.
May 5, 2026
Tax Payment(F)
Direct
2.5K shares at avg. $148.81$376K
LDOS
Leidos Holdings, Inc.
Mar 8, 2026
Tax Payment(F)
Direct
2.3K shares at avg. $177.89$410K
LDOS
Leidos Holdings, Inc.
Mar 7, 2026
Tax Payment(F)
Direct
3.2K shares at avg. $177.89$577K
LDOS
Leidos Holdings, Inc.
Mar 6, 2026
Award(A)
Direct
37.3K shares-
LDOS
Leidos Holdings, Inc.
Feb 12, 2026
Award(A)
Direct
21.6K shares-
LDOS
Leidos Holdings, Inc.
Feb 12, 2026
Award(A)
Direct
43.8K shares-
LDOS
Leidos Holdings, Inc.
Feb 12, 2026
Tax Payment(F)
Direct
18.9K shares at avg. $173.00$3.3M
LDOS
Leidos Holdings, Inc.
May 5, 2025
Tax Payment(F)
Direct
2.5K shares at avg. $148.79$376K
LDOS
Leidos Holdings, Inc.
Mar 8, 2025
Tax Payment(F)
Direct
2.4K shares at avg. $139.24$331K
LDOS
Leidos Holdings, Inc.
Mar 7, 2025
Award(A)
Stock Option (Right to Buy)
Direct
55.6K shares-
LDOS
Leidos Holdings, Inc.
Feb 6, 2025
Award(A)
Direct
15.5K shares-

		Type	Shares	Price		Ownership
May 5, 2026	LDOS Leidos Holdings, Inc.	Tax Payment(F)	2,530	$148.81	$376,489	Direct
Mar 8, 2026	LDOS Leidos Holdings, Inc.	Tax Payment(F)	2,306	$177.89	$410,214	Direct
Mar 7, 2026	LDOS Leidos Holdings, Inc.	Tax Payment(F)	3,245	$177.89	$577,253	Direct
Mar 6, 2026	LDOS Leidos Holdings, Inc.	Award(A)	37,288	-	$0	Direct
Feb 12, 2026	LDOS Leidos Holdings, Inc.	Award(A)	21,589	-	$0	Direct
Feb 12, 2026	LDOS Leidos Holdings, Inc.	Award(A)	43,826	-	$0	Direct
Feb 12, 2026	LDOS Leidos Holdings, Inc.	Tax Payment(F)	18,907	$173.00	$3,270,911	Direct
May 5, 2025	LDOS Leidos Holdings, Inc.	Tax Payment(F)	2,529	$148.79	$376,290	Direct
Mar 8, 2025	LDOS Leidos Holdings, Inc.	Tax Payment(F)	2,375	$139.24	$330,695	Direct
Mar 7, 2025	LDOS Leidos Holdings, Inc.	Award(A) Stock Option (Right to Buy)	55,621	-	-	Direct
Feb 6, 2025	LDOS Leidos Holdings, Inc.	Award(A)	15,487	-	-	Direct

1-11 of 11 transactions

About Bell Thomas Arthur

Bell Thomas Arthur (SEC CIK 0001973788) files insider reports with the SEC as CEO of Leidos Holdings, Inc. (LDOS).

Signal8 holds 6 ownership filings by Bell Thomas Arthur, all Form 4s, filed between Feb 10, 2025 and May 6, 2026. Those filings report 11 transactions, from Feb 6, 2025 to May 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Bell Thomas Arthur's filings is in RESTON, VA.

Recent filings by Bell Thomas Arthur

May 5, 2026: Tax withholding of LDOS shares (Form 4, code F).
Mar 8, 2026: Tax withholding of LDOS shares (Form 4, code F).
Mar 7, 2026: Tax withholding of LDOS shares (Form 4, code F).
Mar 6, 2026: Grant or award of LDOS shares (Form 4, code A).
Feb 12, 2026: Grants or awards of LDOS shares (2 lines, Form 4, code A).

Other insiders filing for Leidos Holdings, Inc. (LDOS)

KRAEMER HARRY M JANSEN JR, Director
McElfresh Jeffery S., Director
Antal Daniel J., EVP, General Counsel
Cage Christopher R, Chief Financial Officer
Stevens Roy E, Sector President
SHAPARD ROBERT S, Director

How to read Form 4 transaction codes