M&A Acquirer Playbook

CACI INTERNATIONAL INC /DE/ acquisition history.

Every deal, price, and strategic rationale.

Company CACI INTERNATIONAL INC /DE/

SEC CIK 0000016058

Tracked filings EDGAR · 8-K

Total deals tracked

Disclosed 8-K acquisitions, 2007 — present.

Aggregate disclosed value

$7.6B

approximately $7.6 billion across 15 disclosed transactions — anchored by the $2.6B ARKA Group and $1.275B Azure Summit deals.

Active acquisition years

2006 · 2007 · 2013 · 2015 · 2019 · 2021 · 2024 · 2025

a steady cadence of national-security tuck-ins and periodic transformational deals.

Primary sectors

Defense and intelligence technology and services

national-security space (ARKA), electronic warfare and RF/SIGINT (Azure Summit, LGS Innovations, Mastodon, Ascent Vision), photonics (SA Photonics), cyber and C4ISR (Six3 Systems), and federal enterprise IT (L-3 NSS, ID Technologies, ISS, AlphaInsight).

Verified 7 deals on this page · sourced from SEC filings

All cross-references covered.

Timeline

7 deals, $7.6B deployed.

Plotted by close date where disclosed, otherwise announcement. Click any marker to jump to the deal entry.

The playbook

The rationale that repeats.

Three patterns show up across CACI INTERNATIONAL's deal book — what the team buys, how it pays, and how it integrates. The patterns are the throughline; the individual deals below are the evidence.

Acquisition criteria

Buy mission technology, not just headcount.

CACI's recent flagship deals — ARKA Group ($2.6B, space-based sensing), Azure Summit ($1.275B, RF/electromagnetic spectrum), LGS Innovations and Mastodon ($975M, SIGINT/EW/cyber products) — all add differentiated, productized technology rather than commodity staffing. Management repeatedly frames these as expanding CACI's offerings across ISR, electronic warfare, and signals intelligence for escalating-threat environments.

ARKA Group, L.P.Azure Summit TechnologyID TechnologiesLGS Innovations and Mastodon DesignL-3 National Security Solutions

Capital deployment

A disciplined cadence of cleared, government-facing tuck-ins.

From AlphaInsight and Information Systems Support (2006) through Athena, Dragon Development and IQM (2007) to ID Technologies (2021) and Applied Insight (2024), CACI consistently absorbs small-to-mid federal IT and intelligence firms — many with highly cleared workforces — to deepen its presence with the Intelligence Community, DoD, and federal civilian customers.

ARKA Group, L.P.Azure Summit TechnologyID TechnologiesLGS Innovations and Mastodon DesignL-3 National Security Solutions

Integration approach

Debt-financed scale-ups timed to step-change capability.

The largest deals are paired with fresh credit facilities, term loans and senior notes (the L-3 NSS, Six3, Azure Summit and ARKA acquisitions each appear alongside financing 8-Ks), letting CACI move opportunistically into adjacent technology domains — space, electronic warfare, photonics — when assets become available.

ARKA Group, L.P.Azure Summit TechnologyID TechnologiesLGS Innovations and Mastodon DesignL-3 National Security Solutions

Deal book · 7 acquisitions

The full deal book.

7 acquisitions. Click any row to see the deal value, financing structure, target revenue, executive commentary, and the original SEC filing — the evidence behind the patterns above.

ARKA, acquired from funds managed by Blackstone Tactical Opportunities, supports national security missions through its space-based sensor portfolio and ground-based software processing, accelerating delivery of actionable intelligence to the warfighter. CACI and ARKA share a heritage spanning more than sixty years.

Why it was attractive

01 ARKA's space-based sensor portfolio and ground-processing software gave CACI scaled capability in the fast-growing national-security space market that it could not build organically at the same pace

Capabilities acquired

space-based sensorsground-based software processingactionable intelligencenational security spacedefense capabilities

The acquisition of ARKA represents a significant step forward in our space strategy. They bring deep experience and proven performance as a best-in-class provider of national security space and defense capabilities, which has been enhanced by Blackstone's constructive stewardship of the business during their ownership.

John Mengucci President and CEO, CACI International Inc

For our shareholders, the acquisition of ARKA positions CACI to capture significant future opportunities in the space domain across Intelligence Community, U.S. Space Force, and other Department of War customers.

John Mengucci President and CEO, CACI International Inc

Deal value

$2.6B

$2.6 billion

Terms

AnnouncedDec 2025

ClosedMar 2026

StructureFull acquisition

Considerationall cash

Financials

Cash impact / synergiesCombines ARKA's space-based sensing with CACI's existing technology and mission-systems portfolio to expand actionable-intelligence delivery across space, IC, and defense customers.

Deal facts

GeographyReston, Va. (CACI); ARKA operations across the U.S.

SegmentNational security space / space-based sensing

Integration unitCACI national security technology portfolio

Integration timelineDefinitive agreement signed December 19, 2025 (announced December 22, 2025); acquisition completed March 9, 2026.

Not disclosed in filing Target revenue / EBITDA

Fundingall cash.

SEC 8-K · ARKA Group

Azure Summit Technology advances Department of Defense mission outcomes with a portfolio of high-performance radio frequency (RF) technology and engineering talent focused on the electromagnetic spectrum.

Why it was attractive

01 Azure Summit added differentiated high-performance RF technology and electromagnetic-spectrum engineering talent in an area of escalating defense demand

Capabilities acquired

radio frequency (RF) technologyelectromagnetic spectrumintelligence surveillance and reconnaissance (ISR)electronic warfare (EW)signals intelligence (SIGINT)

Azure Summit's core capabilities and technology bolster CACI's market-based strategy by expanding our offerings in intelligence, surveillance and reconnaissance (ISR), electronic warfare (EW), and signals intelligence (SIGINT) across multiple domains, platforms and customer sets.

John Mengucci President and CEO, CACI International Inc

In an environment of escalating global threats, the employees of both CACI and Azure Summit are culturally aligned and driven to support the most critical, sophisticated missions of our nation and our allies.

John Mengucci President and CEO, CACI International Inc

Post-close · earnings-call commentary

John Mengucci, Q2 FY2025 earnings (Jan 22, 2025): CACI closed and integrated the previously announced strategic acquisitions of Azure Summit and Applied Insight, raising fiscal 2025 guidance.

Deal value

$1.275B

$1.275 billion

Terms

AnnouncedSep 2024

ClosedDec 2024

StructureFull acquisition

Considerationall cash

Financials

Cash impact / synergiesExpands CACI's ISR, EW and SIGINT product offerings across multiple domains, platforms and customer sets.

Deal facts

GeographyReston, Va. (CACI)

SegmentElectronic warfare / RF technology

Integration unitCACI technology / electromagnetic spectrum portfolio

Integration timelineDefinitive agreement announced September 16, 2024; closed and integrated during CACI's fiscal Q2 2025 (Oct-Dec 2024), per the January 22, 2025 earnings release.

Not disclosed in filing Target revenue / EBITDA

Fundingall cash.

SEC 8-K · Azure Summit Technology

ID Technologies (IDT) is an enterprise IT, Infrastructure-as-a-Service, and network modernization provider with NSA-compliant Commercial Solutions for Classified (CSfC) technology.

Why it was attractive

01 IDT brought NSA-compliant CSfC technology that expanded CACI's secure network-modernization offerings for U.S. government customers

Capabilities acquired

enterprise ITInfrastructure-as-a-Servicenetwork modernizationNSA-compliant Commercial Solutions for Classified (CSfC)

Post-close · earnings-call commentary

CACI Q2 FY2022 earnings (Jan 26, 2022): 'CACI acquired ID Technologies (IDT)... The acquisition closed on December 29, 2021 with a total purchase consideration of $225 million.'

Deal value

$225M

$225 million

Terms

AnnouncedDec 2021

ClosedDec 2021

StructureFull acquisition

Considerationall cash

Financials

Cash impact / synergiesStrengthens CACI's secure network modernization portfolio with CSfC software.

Deal facts

SegmentSecure network modernization / enterprise IT

Integration unitCACI enterprise IT / network modernization

Integration timelineAcquisition closed on December 29, 2021 with total purchase consideration of $225 million, per CACI's Q2 FY2022 earnings release (January 26, 2022).

Not disclosed in filing Target revenue / EBITDA · Geography

Fundingall cash.

SEC 8-K · ID Technologies

LGS Innovations, acquired from affiliates of Madison Dearborn Partners and CoVant Management, is a leading provider of real-time spectrum management, C4ISR, and cyber products and solutions to the Intelligence Community and DoD, tracing its roots through Bell Labs. Mastodon Design provides rapid design and manufacturing of rugged signals intelligence (SIGINT), electronic warfare (EW), and cyber operations products with small-form-factor, lightweight, low-power modular designs. $975 million combined ($835 million net of a $140 million transaction-related tax benefit on a net present value basis).

Why it was attractive

01 LGS and Mastodon together delivered integrated
02 productized SIGINT/EW/cyber capabilities CACI could scale
03 with immediate revenue and EBITDA contribution

Capabilities acquired

real-time spectrum managementC4ISRcyber productssignals intelligence (SIGINT)electronic warfare (EW)rugged SIGINT/EW hardware

CACI has a consistent track record of successful acquisitions that deliver exceptional benefits for our customers and employees while providing long-term value to our shareholders. The cultures of CACI, LGS Innovations, and Mastodon Design are a solid fit with an unwavering commitment to integrity, ethics, and innovation.

Dr. J.P. (Jack) London Executive Chairman and Chairman of the Board, CACI International Inc

Deal value

$975M

$975 million combined ($835 million net of a $140 million transaction-related tax benefit on a net present value basis)

Terms

AnnouncedJan 2019

ClosedMar 2019

StructureFull acquisition

Considerationall cash

Financials

Target revenue / EBITDAApproximately $480 million in incremental revenue and $82 million in EBITDA expected over the 12 months following the two transactions

Cash impact / synergiesCreate scalable SIGINT, EW, and cyber operations products and solutions by combining LGS spectrum/C4ISR/cyber with Mastodon's rugged hardware design and manufacturing.

Deal facts

GeographyArlington, Va. (CACI); LGS roots in Bell Labs

SegmentSignals intelligence / electronic warfare / cyber products

Integration unitCACI products / SIGINT-EW-cyber portfolio

Integration timelineMastodon Design acquired and LGS Innovations agreement entered into January 30, 2019; LGS acquisition completed in CACI's fiscal Q3 2019 (Jan-Mar 2019).

Fundingall cash.

SEC 8-K · LGS Innovations and Mastodon Design

L-3 National Security Solutions (L-3 NSS) is a prime mission partner to the Department of Defense, intelligence agencies, and the U.S. Federal Civilian Government, adding considerable depth and breadth in enterprise IT, intelligence services, and key market areas.

Why it was attractive

01 L-3 NSS added scaled
02 high-end enterprise IT and intelligence services across DoD
03 IC
04 and federal civilian customers

Capabilities acquired

enterprise ITintelligence servicesC4 solutionscyber

The NSS acquisition strongly reinforces our strategic growth plan. I am confident the complementary, high-end solutions gained will strengthen our competitive position. This transaction adds depth and breadth to our intelligence, cyber, and C4 solutions and services to meet our nations' evolving needs.

Ken Asbury President and CEO, CACI International Inc

Deal value

$550M

$550 million

Terms

AnnouncedDec 2015

ClosedFeb 2016

StructureFull acquisition

Considerationall cash

Financials

Cash impact / synergiesAdds depth and breadth to CACI's intelligence, cyber, and C4 solutions and services.

Deal facts

GeographyArlington, Va. (CACI)

SegmentEnterprise IT / intelligence services

Integration unitCACI domestic operations / enterprise IT and intelligence services

Integration timelineDefinitive agreement to acquire the outstanding stock of L-3 NSS announced December 8, 2015; completed February 1, 2016 for an aggregate $550 million in cash (Item 2.01 close 8-K).

Not disclosed in filing Target revenue / EBITDA

Fundingall cash.

SEC 8-K · L-3 National Security Solutions

Six3 Systems, acquired from private equity firm GTCR, is a premier provider of highly specialized support to the national security community in cyber and signals intelligence; intelligence, surveillance, and reconnaissance; and intelligence operations. The transaction expanded CACI's high-growth C4ISR and intelligence market opportunities by approximately $15 billion.

Why it was attractive

01 Six3 brought distinctive
02 highly cleared cyber
03 SIGINT and intelligence-operations capabilities and an estimated $15B expansion of addressable market

Capabilities acquired

cybersignals intelligenceintelligence surveillance and reconnaissance (ISR)intelligence operationsC4ISR

Deal value

$820M

$820 million

Terms

AnnouncedOct 2013

ClosedNov 2013

StructureFull acquisition

Considerationall cash

Financials

Cash impact / synergiesExpands CACI's high-growth cyberspace, C4ISR and intelligence capabilities; projected at least 5% GAAP EPS accretion in CY14.

Deal facts

GeographyArlington, Va. (CACI)

SegmentCyber / C4ISR / intelligence

Integration unitCACI intelligence / C4ISR operations

Integration timelineDefinitive agreement to acquire Six3 Systems announced October 9, 2013 for a purchase price of $820 million; transaction completed November 15, 2013 (Item 2.01 close 8-K).

Not disclosed in filing Target revenue / EBITDA

Fundingall cash.

SEC 8-K · Six3 Systems

Under a Stock Purchase Agreement, CACI acquired all outstanding shares in Athena Holding Corp., parent of Athena Innovative Solutions, a provider of services to the Intelligence Community, for a purchase price of $200 million in cash (subject to a net-assets adjustment, with a portion held in escrow for fifteen months).

Why it was attractive

01 Athena deepened CACI's footprint and relationships within the Intelligence Community

Capabilities acquired

intelligence community services

Deal value

$200M

$200 million

Terms

AnnouncedSep 2007

ClosedNov 2007

StructureFull acquisition

Considerationall cash

Financials

Cash impact / synergiesExpands CACI's IC services and solutions.

Deal facts

SegmentIntelligence Community services

Integration unitCACI Intelligence Community services

Integration timelineStock Purchase Agreement signed September 19, 2007 ($200 million in cash); transaction completed by early November 2007 (Item 2.01 close 8-K filed November 5, 2007).

Not disclosed in filing Target revenue / EBITDA · Geography

Fundingall cash.

SEC 8-K · Athena Innovative Solutions

More acquirer playbooks

O REILLY AUTOMOTIVE INC Parker-Hannifin Corp Paylocity Holding Corp ROCKWELL AUTOMATION, INC Simply Good Foods Co Targa Resources Corp.

VectorShift for deal teams

Put VectorShift to work
on every deal.

VectorShift reads the documents your team actually works on — CIMs, management decks, filings, expert calls, portfolio reports — and returns structured, sourced analysis in minutes, not weeks.

Request a demo

7 deals, $7.6B deployed.

The rationale that repeats.

Buy mission technology, not just headcount.

A disciplined cadence of cleared, government-facing tuck-ins.

Debt-financed scale-ups timed to step-change capability.

The full deal book.

More acquirer playbooks

Put VectorShift to workon every deal.

Put VectorShift to work
on every deal.