John S. Mengucci - 01 Oct 2026 Form 4 Insider Report for CACI INTERNATIONAL INC /DE/ (CACI)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
05 Oct 2026, 17:16:40 UTC
Prior SEC filing
03 Oct 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ John S. Mengucci
Filing notes and source

Key filing fact

John S. Mengucci filed Form 4 for CACI INTERNATIONAL INC /DE/ (CACI) on 05 Oct 2026.

Key facts

  • This page summarizes John S. Mengucci's Form 4 filing for CACI INTERNATIONAL INC /DE/ (CACI).
  • 14 reported transactions and 6 derivative rows are listed below.
  • Accepted by SEC: 05 Oct 2026, 17:16.

Change

  • Previous filing in this sequence was filed on 03 Oct 2025.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001543253 Primary reporting owner

Mengucci John S

Relationship
President & CEO, Director
Address
11487 SUNSET HILLS ROAD, RESTON
Signature
/s/ John S. Mengucci
Signature date
05 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CACI transaction

CACI Common Stock

Options Exercise

Transaction value
Shares
+33,448
Change %
+28%
Price
Shares after
153,384
Date
01 Oct 2026
Ownership
Direct
Footnotes
F1
CACI transaction

CACI Common Stock

Tax liability

Transaction value
Shares
-15,086
Change %
-9.8%
Price
$627.06*
Shares after
138,298
Date
01 Oct 2026
Ownership
Direct
CACI transaction

CACI Common Stock

Options Exercise

Transaction value
Shares
+5,575
Change %
+4%
Price
Shares after
143,873
Date
01 Oct 2026
Ownership
Direct
Footnotes
F2
CACI transaction

CACI Common Stock

Tax liability

Transaction value
Shares
-2,515
Change %
-1.7%
Price
$627.06*
Shares after
141,358
Date
01 Oct 2026
Ownership
Direct
CACI transaction

CACI Common Stock

Options Exercise

Transaction value
Shares
+3,956
Change %
+2.8%
Price
Shares after
145,314
Date
01 Oct 2026
Ownership
Direct
Footnotes
F3
CACI transaction

CACI Common Stock

Tax liability

Transaction value
Shares
-1,785
Change %
-1.2%
Price
$627.06*
Shares after
143,529
Date
01 Oct 2026
Ownership
Direct
CACI transaction

CACI Common Stock

Options Exercise

Transaction value
Shares
+4,205
Change %
+2.9%
Price
Shares after
147,734
Date
01 Oct 2026
Ownership
Direct
Footnotes
F4
CACI transaction

CACI Common Stock

Tax liability

Transaction value
Shares
-1,897
Change %
-1.3%
Price
$627.06*
Shares after
145,837
Date
01 Oct 2026
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CACI transaction Derivative

Performance Restricted Stock Units

Options Exercise

Transaction value
Shares
-33,448
Change %
-100%
Price
Shares after
0
Date
01 Oct 2026
Ownership
Direct
Underlying class
CACI Common Stock
Underlying amount
33,448
Exercise price
Footnotes
F1
CACI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-5,575
Change %
-100%
Price
Shares after
0
Date
01 Oct 2026
Ownership
Direct
Underlying class
CACI Common Stock
Underlying amount
5,575
Exercise price
Footnotes
F2
CACI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-3,956
Change %
-50%
Price
Shares after
3,956
Date
01 Oct 2026
Ownership
Direct
Underlying class
CACI Common Stock
Underlying amount
3,956
Exercise price
Footnotes
F3
CACI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-4,205
Change %
-33%
Price
Shares after
8,412
Date
01 Oct 2026
Ownership
Direct
Underlying class
CACI Common Stock
Underlying amount
4,205
Exercise price
Footnotes
F4
CACI transaction Derivative

Performance Restricted Stock Units

Award

Transaction value
Shares
+11,961
Change %
Price
Shares after
11,961
Date
01 Oct 2026
Ownership
Direct
Underlying class
CACI Common Stock
Underlying amount
11,961
Exercise price
Footnotes
F5
CACI transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+11,961
Change %
Price
Shares after
11,961
Date
01 Oct 2026
Ownership
Direct
Underlying class
CACI Common Stock
Underlying amount
11,961
Exercise price
Footnotes
F6
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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.

Footnote F4

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.

Footnote F5

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.

Footnote F6

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.

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