-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Duz6X+KJV1IXPBjtPOVHtS6hJq7mq+wDkV0wmHkCf8ibnAEWrsMpQo8iu8fY5MQ0
 JR4JT0xnobqZ+2+SL1wXMg==

<SEC-DOCUMENT>0000909450-06-000095.txt : 20060301
<SEC-HEADER>0000909450-06-000095.hdr.sgml : 20060301
<ACCEPTANCE-DATETIME>20060301152320
ACCESSION NUMBER:		0000909450-06-000095
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060206
FILED AS OF DATE:		20060301
DATE AS OF CHANGE:		20060301

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:			GRUBER & MCBAINE CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0000909450

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-82900
		FILM NUMBER:		06655313

	BUSINESS ADDRESS:	
		STREET 1:		50 OSGOOD PLACE PENTHOUSE
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94133
		BUSINESS PHONE:		4159811039

	MAIL ADDRESS:	
		STREET 1:		50 OSGOOD PLACE
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94133

	FORMER NAME:	
		FORMER CONFORMED NAME:	GRUBER & MCBAINE CAPITAL MANAGEMENT/GRUBER JON D ET AL
		DATE OF NAME CHANGE:	19951108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2006-02-06</periodOfReport>

    <dateOfOriginalSubmission>2006-02-27</dateOfOriginalSubmission>

    <notSubjectToSection16>1</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000909450</rptOwnerCik>
            <rptOwnerName>GRUBER &amp; MCBAINE CAPITAL MANAGEMENT LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>50 OSGOOD PLACE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94133</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Investment Advisor</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>Filer was never subject to Section 16 during filing period and previous F3 &amp; F4 filed in error due to change in shares outstanding.</remarks>

    <ownerSignature>
        <signatureName>GRUBER &amp; MCBAINE CAPITAL MANAGEMENT, LLC  By:	/s/ J. Patterson McBaine, J. Patterson McBaine, Manager</signatureName>
        <signatureDate>2006-03-01</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Jon D. Gruber</signatureName>
        <signatureDate>2006-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----