Leidos (LDOS) EVP granted stock units; small share withholding for tax

Rhea-AI Filing Summary

Leidos Holdings EVP and General Counsel Daniel J. Antal reported routine equity compensation and related tax withholding transactions. On March 6–7, 2026, he acquired 4,163 and 4.8564 shares of common stock at no cost through the Key Executive Stock Deferral Plan and dividend equivalents. To cover tax obligations from previously reported restricted stock unit awards, 203 directly held shares and 20 plan shares were withheld at a price of $177.89 per share, as authorized in the award agreements. After these entries, he holds 14,429 shares directly and 10,743.2987 shares indirectly through the deferral plan.

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

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

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^*

Antal Daniel J.

(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)
	EVP, General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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	03/06/2026		A		4,163(1)	A	$0	10,758.4423	I	By Key Executive Stock Deferral Plan
Common Stock	03/07/2026		F(2)		203	D	$177.89	14,429	D
Common Stock	03/07/2026		F(2)		20	D	$177.89	10,738.4423	I	By Key Executive Stock Deferral Plan
Common Stock	03/07/2026		A		4.8564(3)	A	$0	10,743.2987	I	By Key Executive Stock Deferral Plan

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. The restricted stock units will vest in 33 1/3% over three annual installments, beginning on March 6, 2027.

2. 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.

3. Dividend equivalent rights.

Remarks:

	/s/ Ramune M. Kligys by PoA of Daniel J. Antal	03/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did LDOS executive Daniel J. Antal report?

Daniel J. Antal reported routine equity compensation and tax-withholding transactions. He received 4,163 and 4.8564 Leidos common shares via a Key Executive Stock Deferral Plan and dividend equivalents, while 223 shares were withheld to satisfy tax obligations tied to earlier restricted stock unit awards.

Were the LDOS Form 4 transactions open-market buys or sells?

The LDOS Form 4 shows no open-market buys or sells. All dispositions used code F for tax-withholding, where 203 direct shares and 20 plan shares were withheld at $177.89 per share to pay taxes on previously granted restricted stock unit awards.

How many Leidos (LDOS) shares does Daniel J. Antal hold after these transactions?

After these Form 4 transactions, Daniel J. Antal holds 14,429 Leidos common shares directly. He also holds 10,743.2987 shares indirectly through the Key Executive Stock Deferral Plan, reflecting both newly credited stock awards and dividend-equivalent rights recorded in the filing.

What stock awards did the LDOS EVP receive in this Form 4 filing?

The Leidos EVP received 4,163 common shares and an additional 4.8564 shares as dividend-equivalent rights at no cost. These awards were credited to his Key Executive Stock Deferral Plan account and are scheduled to vest in three equal annual installments beginning March 6, 2027.

Why were LDOS shares withheld from Daniel J. Antal in this report?

Leidos withheld 203 directly held shares and 20 plan shares from Daniel J. Antal to satisfy tax obligations. These obligations arose from previously reported restricted stock unit awards, and the share withholding was expressly authorized under the applicable restricted stock award agreement terms.