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).
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1. Name and Address of Reporting Person* Mengucci John S (Last) (First) (Middle) 11487 SUNSET HILLS ROAD (Street) RESTON VIRGINIA 20190 (City) (State) (Zip) UNITED STATES (Country)	2. Issuer Name and Ticker or Trading Symbol CACI INTERNATIONAL INC /DE/ [ CACI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) President & CEO
	2a. Foreign Trading Symbol
	3. Date of Earliest Transaction (Month/Day/Year) 10/01/2026	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
CACI Common Stock	10/01/2026		M		33,448	A	(1)	153,384	D
CACI Common Stock	10/01/2026		F		15,086	D	$627.06	138,298	D
CACI Common Stock	10/01/2026		M		5,575	A	(2)	143,873	D
CACI Common Stock	10/01/2026		F		2,515	D	$627.06	141,358	D
CACI Common Stock	10/01/2026		M		3,956	A	(3)	145,314	D
CACI Common Stock	10/01/2026		F		1,785	D	$627.06	143,529	D
CACI Common Stock	10/01/2026		M		4,205	A	(4)	147,734	D
CACI Common Stock	10/01/2026		F		1,897	D	$627.06	145,837	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
Performance Restricted Stock Units	(1)	10/01/2026		M			33,448	(1)	(1)	CACI Common Stock	33,448	(1)	0	D
Restricted Stock Units	(2)	10/01/2026		M			5,575	(2)	(2)	CACI Common Stock	5,575	(2)	0	D
Restricted Stock Units	(3)	10/01/2026		M			3,956	(3)	(3)	CACI Common Stock	3,956	(3)	3,956	D
Restricted Stock Units	(4)	10/01/2026		M			4,205	(4)	(4)	CACI Common Stock	4,205	(4)	8,412	D
Performance Restricted Stock Units	(5)	10/01/2026		A		11,961		(5)	(5)	CACI Common Stock	11,961	(5)	11,961	D
Restricted Stock Units	(6)	10/01/2026		A		11,961		(6)	(6)	CACI Common Stock	11,961	(6)	11,961	D

Explanation of Responses:

1. On October 1, 2023, Mr. Mengucci was granted 16,724 performance restricted stock units. The PRSU's will vest on the third anniversary of the grant date based on the achievement of a three-year performance measure.

2. On October 1, 2023, Mr. Mengucci was granted 16,723 restricted stock units. These restricted stock units will vest 1/3 per year for three years.

3. On October 1, 2024, Mr. Mengucci was granted 11,867 restricted stock units. These restricted stock units will vest 1/3 per year for three years.

4. On October 1, 2025, Mr. Mengucci was granted 12,617 restricted stock units. These restricted stock units will vest 1/3 per year for three years.

5. On October 1, 2026, Mr. Mengucci was granted 11,961 performance restricted stock units. The PRSU's will vest on the third anniversary of the grant date based on the achievement of a three-year performance measure.

6. On October 1, 2026, Mr. Mengucci was granted 11,961 restricted stock units. These restricted stock units will vest 1/3 per year for three years.

Remarks:

	/s/ John S. Mengucci	10/05/2026
	** 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).
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* Form 4: SEC 1474 (03-26)