Leidos (NYSE: LDOS) executive reports tax-withheld stock dispositions

Rhea-AI Filing Summary

Leidos Holdings, Inc. Sector President Jason M. O'Connor reported two small stock dispositions related to tax withholding. On March 3, 2026, the company withheld 68 shares of common stock at $179.4000 per share. On March 4, 2026, it withheld another 48 shares at $180.6500 per share.

According to the disclosure, these shares were withheld by the company to satisfy O'Connor's tax obligations on previously reported restricted stock unit awards, as authorized in the award agreement. After these tax-withholding dispositions, O'Connor directly held 11,176 shares and then 11,128 shares of Leidos common stock.

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

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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^*

O'Connor Jason M.

(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)
03/03/2026

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	03/03/2026		F(1)		68	D	$179.4	11,176	D
Common Stock	03/04/2026		F(1)		48	D	$180.65	11,128	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. 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.

Remarks:

	/s/ Ramune M. Kligys by PoA of Jason M. O'Connor	03/05/2026
	** 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 Leidos (LDOS) report for Jason M. O'Connor?

Leidos reported that Sector President Jason M. O'Connor had company-withheld shares for tax obligations on restricted stock units, involving 68 shares on March 3, 2026 and 48 shares on March 4, 2026, both in common stock, with ownership remaining direct after each transaction.

Were Jason M. O'Connor’s Leidos (LDOS) stock transactions open-market sales?

No, the transactions were not open-market sales. The company withheld shares of Leidos common stock to satisfy O'Connor's tax obligations from previously reported restricted stock unit awards, as permitted by the restricted stock award agreement, rather than discretionary buying or selling in the market.

How many Leidos (LDOS) shares were withheld for Jason M. O'Connor’s taxes?

The company withheld 68 shares of Leidos common stock on March 3, 2026 and 48 shares on March 4, 2026. Both transactions are reported as tax-withholding dispositions related to previously reported restricted stock unit awards held by Sector President Jason M. O'Connor.

What were Jason M. O'Connor’s Leidos (LDOS) holdings after the reported tax-withholding events?

After the March 3, 2026 tax-withholding disposition, O'Connor directly held 11,176 Leidos common shares. Following the March 4, 2026 withholding, his direct holdings were 11,128 shares, as disclosed in the Form 4 insider transaction report for Leidos Holdings, Inc.

At what prices were Jason M. O'Connor’s Leidos (LDOS) tax-withheld shares valued?

The 68 Leidos common shares withheld on March 3, 2026 were valued at $179.4000 per share. The 48 shares withheld on March 4, 2026 were valued at $180.6500 per share, according to the Form 4 reporting these tax-withholding dispositions.