<SEC-DOCUMENT>0001950047-25-010620.txt : 20251222
<SEC-HEADER>0001950047-25-010620.hdr.sgml : 20251222
<ACCEPTANCE-DATETIME>20251222162457
ACCESSION NUMBER:		0001950047-25-010620
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251222
DATE AS OF CHANGE:		20251222

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KRATOS DEFENSE & SECURITY SOLUTIONS, INC.
		CENTRAL INDEX KEY:			0001069258
		STANDARD INDUSTRIAL CLASSIFICATION:	GUIDED MISSILES & SPACE VEHICLES & PARTS [3760]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				133818604
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-34460
		FILM NUMBER:		251592770

	BUSINESS ADDRESS:	
		STREET 1:		10680 TREENA STREET
		STREET 2:		SUITE 600
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92131
		BUSINESS PHONE:		858-812-7300

	MAIL ADDRESS:	
		STREET 1:		10680 TREENA STREET
		STREET 2:		SUITE 600
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WIRELESS FACILITIES INC
		DATE OF NAME CHANGE:	19990817

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DEMARCO ERIC M
		CENTRAL INDEX KEY:			0001082440
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		10680 TREENA STREET, SUITE 600
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92131
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001082440</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001069258</issuerCik>
            <issuerName>KRATOS DEFENSE AND SECURITY SOLUTIONS INC</issuerName>
            <secFileNumber>001-34460</secFileNumber>
            <issuerAddress>
                <ns2:street1>10680 TREENA STREET, SUITE 600</ns2:street1>
                <ns2:city>SAN DIEGO</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>92131</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>5122389840</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>THE SAVED FAMILY TRUST 2001</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>200000</noOfUnitsSold>
            <aggregateMarketValue>15078000.00</aggregateMarketValue>
            <noOfUnitsOutstanding>168840708</noOfUnitsOutstanding>
            <approxSaleDate>12/22/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>01/30/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>200000</amountOfSecuritiesAcquired>
            <paymentDate>01/30/2022</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>THE SAVED  FAMILY TRUST U/ADTD 03/26/2001</name>
                <address>
                    <ns2:street1>10680 TREENA STREET, SUITE 600</ns2:street1>
                    <ns2:city>SAN DIEGO</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92131</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/02/2025</saleDate>
            <amountOfSecuritiesSold>200000</amountOfSecuritiesSold>
            <grossProceeds>14404049.85</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for THE SAVED  FAMILY TRUST U/ADTD 03/26/2001</name>
                <address>
                    <ns2:street1>10680 TREENA STREET, SUITE 600</ns2:street1>
                    <ns2:city>SAN DIEGO</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92131</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/01/2025</saleDate>
            <amountOfSecuritiesSold>200000</amountOfSecuritiesSold>
            <grossProceeds>14817160.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <remarks>The securities to be sold were acquired upon the vesting of restricted stock units on 01/30/2022 through 02/29/2024.</remarks>
        <noticeSignature>
            <noticeDate>12/22/2025</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>08/29/2025</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Eric M DeMarco</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
