<SEC-DOCUMENT>0000919574-19-007402.txt : 20191121
<SEC-HEADER>0000919574-19-007402.hdr.sgml : 20191121
<ACCEPTANCE-DATETIME>20191121125216
ACCESSION NUMBER:		0000919574-19-007402
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191119
FILED AS OF DATE:		20191121
DATE AS OF CHANGE:		20191121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Casdin Partners Master Fund, L.P.
		CENTRAL INDEX KEY:			0001534265
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36362
		FILM NUMBER:		191236660

	BUSINESS ADDRESS:	
		STREET 1:		WALKER HOUSE
		STREET 2:		87 MARY STREET
		CITY:			GEORGE TOWN
		STATE:			E9
		ZIP:			KY1-9001
		BUSINESS PHONE:		212.300.5575

	MAIL ADDRESS:	
		STREET 1:		WALKER HOUSE
		STREET 2:		87 MARY STREET
		CITY:			GEORGE TOWN
		STATE:			E9
		ZIP:			KY1-9001

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Casdin Capital, LLC
		CENTRAL INDEX KEY:			0001534261
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36362
		FILM NUMBER:		191236661

	BUSINESS ADDRESS:	
		STREET 1:		1350 AVENUE OF THE AMERICAS
		STREET 2:		SUITE 2600
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212.300.5575

	MAIL ADDRESS:	
		STREET 1:		1350 AVENUE OF THE AMERICAS
		STREET 2:		SUITE 2600
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Casdin Partners GP, LLC
		CENTRAL INDEX KEY:			0001534260
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36362
		FILM NUMBER:		191236662

	BUSINESS ADDRESS:	
		STREET 1:		1350 AVENUE OF THE AMERICAS
		STREET 2:		SUITE 1140
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212.300.5575

	MAIL ADDRESS:	
		STREET 1:		1350 AVENUE OF THE AMERICAS
		STREET 2:		SUITE 1140
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Casdin Eli
		CENTRAL INDEX KEY:			0001534264

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36362
		FILM NUMBER:		191236663

	MAIL ADDRESS:	
		STREET 1:		1350 AVENUE OF THE AMERICAS
		STREET 2:		SUITE 1140
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOLIFE SOLUTIONS INC
		CENTRAL INDEX KEY:			0000834365
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				943076866
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3303 MONTE VILLA PARKWAY
		STREET 2:		SUITE 310
		CITY:			BOTHELL
		STATE:			WA
		ZIP:			98021
		BUSINESS PHONE:		4254011400

	MAIL ADDRESS:	
		STREET 1:		3303 MONTE VILLA PARKWAY
		STREET 2:		SUITE 310
		CITY:			BOTHELL
		STATE:			WA
		ZIP:			98021

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIOLIFE SOLUTION INC
		DATE OF NAME CHANGE:	20030113

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CRYOMEDICAL SCIENCES INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-11-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000834365</issuerCik>
        <issuerName>BIOLIFE SOLUTIONS INC</issuerName>
        <issuerTradingSymbol>BLFS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534265</rptOwnerCik>
            <rptOwnerName>Casdin Partners Master Fund, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1350 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2600</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534261</rptOwnerCik>
            <rptOwnerName>Casdin Capital, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1350 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2600</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534260</rptOwnerCik>
            <rptOwnerName>Casdin Partners GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1350 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2600</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534264</rptOwnerCik>
            <rptOwnerName>Casdin Eli</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1350 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2600</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2019-11-19</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.1459</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2448571</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2019-11-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.6809</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2468571</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $14.93 to $15.26 per share, inclusive. The Reporting Persons undertake to provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.</footnote>
        <footnote id="F2">The securities are owned directly by Casdin Partners Master Fund, LP and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to Casdin Partners Master Fund, LP, (ii) Casdin Partners GP, LLC, the general partner of Casdin Partners Master Fund LP, and (ii) Eli Casdin, the managing member of Casdin Capital, LLC and Casdin Partners GP, LLC.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $15.37 to $16.08 per share, inclusive. The Reporting Persons undertake to provide to the staff of the Securities and Exchange Commission, the Issuer, or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.</footnote>
    </footnotes>

    <remarks>Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 3 except to the extent of its or his pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.</remarks>

    <ownerSignature>
        <signatureName>Casdin Partners Master Fund LP, By: Casdin Partners GP, LLC, its General Partner, By: /s/ Eli Casdin, Managing Member</signatureName>
        <signatureDate>2019-11-21</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Casdin Capital, LLC, By: /s/ Eli Casdin, Managing Member</signatureName>
        <signatureDate>2019-11-21</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Casdin Partners GP LLC, By: /s/ Eli Casdin, Managing Member</signatureName>
        <signatureDate>2019-11-21</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Eli Casdin</signatureName>
        <signatureDate>2019-11-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
