Elizabeth A. Porter - 03 Mar 2026 Form 4 Insider Report for Leidos Holdings, Inc. (LDOS)

Role: Sector President
Signature: /s/ Ramune M. Kligys by PoA of Elizabeth M. Porter
Issuer symbol: LDOS
Transactions as of: 03 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 05 Mar 2026, 16:55:37 UTC
Previous filing: 25 Feb 2026
Next filing: 10 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Porter Elizabeth A	Sector President	1750 PRESIDENTS STREET, RESTON	/s/ Ramune M. Kligys by PoA of Elizabeth M. Porter	05 Mar 2026	0001820381

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LDOS	Common Stock	Tax liability		-651	-1.3%	$179.40^*	48,407	03 Mar 2026	Direct	F1
transaction	LDOS	Common Stock	Tax liability		-376	-0.78%	$180.65^*	48,031	04 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement.