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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 RZouj4ARtLP+pa3iQ15e/DRJ/ZxkncAyoVjlUT/28WXtaO1ljzToLwQoOugpqjGm
 PY26iYb0cZ3md65brE0pxg==

<SEC-DOCUMENT>0001001277-06-000143.txt : 20060316
<SEC-HEADER>0001001277-06-000143.hdr.sgml : 20060316
<ACCEPTANCE-DATETIME>20060316201232
ACCESSION NUMBER:		0001001277-06-000143
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060313
FILED AS OF DATE:		20060316
DATE AS OF CHANGE:		20060316

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			THERMOGENESIS CORP
		CENTRAL INDEX KEY:			0000811212
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY APPARATUS & FURNITURE [3821]
		IRS NUMBER:				943018487
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		2711 CITRUS ROAD
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95742
		BUSINESS PHONE:		9168585100

	MAIL ADDRESS:	
		STREET 1:		2711 CITRUS ROAD
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95742

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSTA COOL INC OF NORTH AMERICA
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chapman John
		CENTRAL INDEX KEY:			0001356402

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-82900
		FILM NUMBER:		06693746

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(916) 858-5100

	MAIL ADDRESS:	
		STREET 1:		C/O THERMOGENESIS CORP.
		STREET 2:		2711 CITRUS ROAD
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95742
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>for031306_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-03-13</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000811212</issuerCik>
        <issuerName>THERMOGENESIS CORP</issuerName>
        <issuerTradingSymbol>KOOL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001356402</rptOwnerCik>
            <rptOwnerName>Chapman John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O THERMOGENESIS CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>2711 CITRUS ROAD</rptOwnerStreet2>
            <rptOwnerCity>RANCHO CORDOVA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95742</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP of Scientific Affairs</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.30</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2012-06-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>60000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vests in five equal installments on June 13, 2006, 2007, 2008, 2009 and 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Dr. John Chapman</signatureName>
        <signatureDate>2006-03-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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