CACI INTERNATIONAL INC /DE/ (Form: 4, Received: 07/07/2014 17:22:01)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Common Stock	7/2/2014	S	52729	D	$69.83 ⁽¹⁾	2414685	I	See footnote ⁽²⁾ ⁽³⁾
Common Stock	7/3/2014	S	36271	D	$70.05 ⁽⁴⁾	2378414	I	See footnote ⁽²⁾ ⁽³⁾
Common Stock	7/7/2014	S	34000	D	$69.43 ⁽⁵⁾	2344414	I	See footnote ⁽²⁾ ⁽³⁾

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security
(Instr. 3)

2. Trans. Date

2A. Deemed Execution Date, if any

3. Trans. 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

Amount

(A) or (D)

Price

Common Stock

7/2/2014

52729

$69.83 ⁽¹⁾

2414685

See footnote ⁽²⁾ ⁽³⁾

Common Stock

7/3/2014

36271

$70.05 ⁽⁴⁾

2378414

See footnote ⁽²⁾ ⁽³⁾

Common Stock

7/7/2014

34000

$69.43 ⁽⁵⁾

2344414

See footnote ⁽²⁾ ⁽³⁾

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security
(Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Trans. Date

3A. Deemed Execution Date, if any

4. Trans. 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

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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

JOINT FILING INFORMATION

Reporting Person:	BLUE HARBOUR GROUP, LP
Address:	646 STEAMBOAT ROAD
	GREENWICH, CT 06830

Designated Filer:	BLUE HARBOUR GROUP, LP
Issuer and Symbol:	CACI INTERNATIONAL INC. ("CACI")
Date of Event Requiring Statement:	7/2/2014

Signature:	/s/ Clifton S. Robbins , Managing Member of Blue Harbour Holdings, LLC, the General Partner of Blue Harbour Group. LP Clifton S. Robbins, Managing Member of Blue Harbour Holdings, LLC, the General Partner of Blue Harbour Group. LP

Reporting Person:	BLUE HARBOUR HOLDINGS, LLC
Address:	646 STEAMBOAT ROAD
	GREENWICH, CT 06830

Designated Filer:	BLUE HARBOUR GROUP, LP
Issuer and Symbol:	CACI INTERNATIONAL INC. ("CACI")
Date of Event Requiring Statement:	7/2/2014

Signature:	/s/ Clifton S. Robbins, Managing Member of Blue Harbour Holdings, LLC Clifton S. Robbins, Managing Member of Blue Harbour Holdings, LLC

Reporting Person:	CLIFTON S. ROBBINS
Address:	646 STEAMBOAT ROAD
	GREENWICH, CT 06830

Designated Filer:	BLUE HARBOUR GROUP, LP
Issuer and Symbol:	CACI INTERNATIONAL INC. ("CACI")
Date of Event Requiring Statement:	7/2/2014

Signature:	/ s/ Clifton S. Robbins Clifton S. Robbins

FORM 4 [ X ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Blue Harbour Group, L.P.	2. Issuer Name and Ticker or Trading Symbol CACI INTERNATIONAL INC /DE/ [ CACI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __ X __ 10% Owner _____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle) 646 STEAMBOAT ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 7/2/2014
(Street) GREENWICH, CT 06830 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _ X _ Form filed by More than One Reporting Person

Explanation of Responses:
(1)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.80 to $70.05, inclusive. The Reporting Persons undertake to provide to CACI International Inc., any security holder of CACI International Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(2)	This Form 4 is filed by Blue Harbour Group, LP (the "Manager"), Blue Harbour Holdings, LLC ("Manager GP") and Clifton S. Robbins. Manager GP is the general partner of Manager. Mr. Robbins directly and indirectly through trusts or other entities controlled by Mr. Robbins is the controlling shareholder of Manager GP.
(3)	Pursuant to Rule 16a-1 under the Securities Exchange Act of 1934, as amended (the "Act"), each of the Reporting Persons may be deemed to be the beneficial owner of the securities reported herein to the extent of his or its pecuniary interest therein, but disclaims beneficial ownership in excess of such amount; and pursuant to Rule 16a-1(a)(4) under the Act, this filing shall not be deemed an admission that any of the Reporting Persons is, for purposes of Section 16 of the Act or otherwise, the beneficial owner of any securities reported herein in excess of such amount.
(4)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.86 to $70.20, inclusive. The Reporting Persons undertake to provide to CACI International Inc., any security holder of CACI International Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(5)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.09 to $70.00, inclusive. The Reporting Persons undertake to provide to CACI International Inc., any security holder of CACI International Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Blue Harbour Group, L.P. 646 STEAMBOAT ROAD GREENWICH, CT 06830		X
Blue Harbour Holdings, LLC 646 STEAMBOAT ROAD GREENWICH, CT 06830		X
ROBBINS CLIFTON S 626 STEAMBOAT ROAD GREENWICH, CT 06830		X

Signatures
/s/ Clifton S. Robbins, Managing Member of Blue Harbour Holdings, LLC, the General Partner of Blue Harbour Group, LP		7/7/2014
^** Signature of Reporting Person		Date
/s/ Clifton S. Robbins, Managing Member of Blue Harbour Holdings, LLC		7/7/2014
^** Signature of Reporting Person		Date
/s/ Clifton S. Robbins		7/7/2014
^** 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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