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caci-202601210000016058FALSE00000160582026-01-212026-01-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2026

CACI International Inc (Exact name of Registrant as Specified in Its Charter)

Delaware001-3140054-1345888 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

12021 Sunset Hills Road Reston, Virginia 20190

(Address of Principal Executive Offices)(Zip Code)

Registrant’s Telephone Number, Including Area Code: (703) 841-7800 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading SymbolName of each exchange on which registered Common StockCACINew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth companyo

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act o

ITEM 2.02Results of Operations and Financial Condition

On January 21, 2026, CACI International Inc released its financial results for the second quarter fiscal year 2026. A copy of the press release announcing the financial results as well as the schedule for a conference call and webcast on January 22, 2026 is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

ITEM 9.01Financial Statements and Exhibits

Exhibit NumberDescription

99.1Press Release dated January 21, 2026 announcing CACI’s financial results for the second quarter fiscal year 2026.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

CACI International Inc

Date: January 21, 2026 By:s/ J. William Koegel, Jr.

J. William Koegel, Jr. Executive Vice President, General Counsel and Secretary

caci-202510220000016058FALSE00000160582025-10-222025-10-22

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2025

CACI International Inc (Exact name of Registrant as Specified in Its Charter)

Delaware001-3140054-1345888 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

12021 Sunset Hills Road Reston, Virginia 20190

(Address of Principal Executive Offices)(Zip Code)

Registrant’s Telephone Number, Including Area Code: (703) 841-7800 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common StockCACINew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth companyo

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act o

ITEM 2.02Results of Operations and Financial Condition

On October 22, 2025, CACI International Inc released its financial results for the first quarter fiscal year 2026. A copy of the press release announcing the financial results as well as the schedule for a conference call and webcast on October 23, 2025 is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

ITEM 9.01Financial Statements and Exhibits

Exhibit NumberDescription

99.1Press Release dated October 22, 2025 announcing CACI’s financial results for the first quarter fiscal year 2026.

104Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

CACI International Inc

Date: October 22, 2025 By:s/ J. William Koegel, Jr.

J. William Koegel, Jr. Executive Vice President, General Counsel and Secretary