[Form 4] Science Applications International Corp Insider Trading Activity

Rhea-AI Filing Summary

Science Applications International Corp executive Barbara Supplee reported routine equity compensation activity. On April 3, she received an award of 4,627 shares of Common Stock at $0.00 per share, reflecting a stock-based compensation grant rather than a market purchase.

On April 4 and April 5, a total of 627 shares of Common Stock were disposed of at $100.11 per share through tax-withholding dispositions to cover tax liabilities, not open-market sales. After these transactions, she directly held about 11,275.1585 shares of Common Stock.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Supplee Barbara

Role EVP, Navy

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	233	$100.11	$23K
Tax Withholding	Common Stock	394	$100.11	$39K
Grant/Award	Common Stock	4,627	$0.00	--

Holdings After Transaction: Common Stock — 11,275.159 shares (Direct)

Footnotes (1)

Key Figures

Share award: 4,627 shares First tax withholding block: 394 shares at $100.11/share Second tax withholding block: 233 shares at $100.11/share +3 more

6 metrics

Share award 4,627 shares Common Stock grant at $0.00 per share on April 3

First tax withholding block 394 shares at $100.11/share Tax-withholding disposition on April 4

Second tax withholding block 233 shares at $100.11/share Tax-withholding disposition on April 5

Total tax-withholding shares 627 shares Combined F-code dispositions at $100.11 per share

Post-transaction holdings 11,275.1585 shares Directly held Common Stock after April 5 transaction

Implied market price $100.11/share Price used for both F-code tax-withholding dispositions

Key Terms

tax-withholding disposition, grant, award, or other acquisition, Common Stock

3 terms

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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).

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^*

Supplee Barbara

(Last) (First) (Middle)

12010 SUNSET HILLS ROAD

(Street)

RESTON VIRGINIA 20190

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Science Applications International Corp [ SAIC ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Navy

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/03/2026

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

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

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

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	04/03/2026		A		4,627	A	$0	11,902.1585	D
Common Stock	04/04/2026		F		394	D	$100.11	11,508.1585	D
Common Stock	04/05/2026		F		233	D	$100.11	11,275.1585	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:

Remarks:

	Hilary L. Hageman, Attorney-in-fact	04/06/2026
	** 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.
* Form 4: SEC 1474 (03-26)