Leidos (NYSE: LDOS) sector president sells 3,000 shares under plan

Rhea-AI Filing Summary

Leidos Holdings reported an insider stock sale by Sector President Elizabeth A. Porter. On January 20, 2026, Porter sold 3,000 shares of Leidos common stock at a weighted average price of $192.2117 per share, in multiple trades priced between $192.17 and $192.36. The sale was executed under a pre-arranged Rule 10b5-1 trading plan that Porter entered into on September 12, 2025. Following this transaction, she beneficially owns 38,575 shares of Leidos common stock directly.

Insider Trade Summary

Net Seller: 3,000 shares ($576,635)

Net Sell 1 txn

Insider Porter Elizabeth A

Role Sector President

Sold 3,000 shs ($577K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,000	$192.2117	$577K

Holdings After Transaction: Common Stock — 38,575 shares (Direct)

Footnotes (1)

1. This transaction was executed pursuant to a trading plan entered into by the reporting person on September 12, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $192.17 to $192.36 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Porter Elizabeth A

(Last) (First) (Middle)

1750 PRESIDENTS STREET

(Street)

RESTON VA 20190

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Leidos Holdings, Inc. [ LDOS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sector President

3. Date of Earliest Transaction (Month/Day/Year)
01/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/20/2026		S(1)		3,000	D	$192.2117(2)	38,575	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction was executed pursuant to a trading plan entered into by the reporting person on September 12, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $192.17 to $192.36 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range.

Remarks:

	/s/ Ramune M. Kligys by PoA of Elizabeth A. Porter	01/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did LDOS report for Elizabeth A. Porter?

Leidos Holdings reported that Sector President Elizabeth A. Porter sold 3,000 shares of Leidos common stock on January 20, 2026.

At what price were the Leidos (LDOS) shares sold by Elizabeth Porter?

The shares were sold at a weighted average price of $192.2117 per share, with individual trades executed between $192.17 and $192.36.

How many Leidos shares does Elizabeth A. Porter own after the reported sale?

After the sale, Elizabeth A. Porter beneficially owns 38,575 shares of Leidos common stock, held directly.

Was the Leidos insider sale by Elizabeth Porter part of a 10b5-1 trading plan?

Yes. The filing states the transaction was executed under a Rule 10b5-1 trading plan that Porter entered into on September 12, 2025.

What is Elizabeth A. Porter’s role at Leidos Holdings (LDOS)?

Elizabeth A. Porter is identified as an officer of Leidos Holdings, serving as a Sector President.

How is the price range for the LDOS insider sale described?

The filing explains that the reported price is a weighted average, and the 3,000 shares were sold in multiple transactions between $192.17 and $192.36 per share.