<SEC-DOCUMENT>0001209191-15-072609.txt : 20150930
<SEC-HEADER>0001209191-15-072609.hdr.sgml : 20150930
<ACCEPTANCE-DATETIME>20150930191817
ACCESSION NUMBER:		0001209191-15-072609
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20150930
FILED AS OF DATE:		20150930
DATE AS OF CHANGE:		20150930

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mirna Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001527599
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				261824804
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2150 WOODWARD ST., SUITE 100
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78744
		BUSINESS PHONE:		512-681-5252

	MAIL ADDRESS:	
		STREET 1:		2150 WOODWARD ST., SUITE 100
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78744

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mathers Edward T
		CENTRAL INDEX KEY:			0001328625

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37566
		FILM NUMBER:		151134964

	MAIL ADDRESS:	
		STREET 1:		C/O MEDIMMUNE, INC.
		STREET 2:		ONE MEDIMMUNE WAY
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2015-09-30</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001527599</issuerCik>
        <issuerName>Mirna Therapeutics, Inc.</issuerName>
        <issuerTradingSymbol>MIRN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001328625</rptOwnerCik>
            <rptOwnerName>Mathers Edward T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2150 WOODWARD ST., STE. 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AUSTIN</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78744</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.45</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-06-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vests with respect to 20% of the shares subject thereto on May 1, 2015, with the remaining shares vesting with respect to 1/8 of the remaining shares subject thereto on each six month anniversary thereafter, subject to the Reporting Person continuing to provide services to the Issuer through each such vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sasha Keough, attorney-in-fact</signatureName>
        <signatureDate>2015-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.3_607178
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Louis S. Citron, Timothy Schaller, Sasha Keough and Stephanie Brecher,
and each of them, with full power to act without the others,  his or her true
and lawful attorney in fact, with full power of substitution, to sign any and
all instruments, certificates and documents that may be necessary, desirable or
appropriate to be executed on behalf of himself as an individual or in his or
her capacity as a direct or indirect general partner, director, officer or
manager of any partnership, corporation or limited liability company, pursuant
to section 13 or 16 of the Securities  Exchange Act of 1934, as amended (the
"Exchange Act"), and any and all regulations promulgated thereunder, and to file
the same, with all exhibits thereto, and any other documents in connection
therewith, with the Securities and Exchange Commission, and with any other
entity when and if such is mandated by the Exchange Act or by the Financial
Industry Regulatory Authority, granting unto said attorney-in-fact full power
and authority to do and perform each and every act and thing necessary,
desirable or appropriate, fully to all intents and purposes as he or she might
or could do in person, thereby ratifying and confirming all that said attorney
in fact, or his or her substitutes, may lawfully do or cause to be done by
virtue hereof.

IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 1st day of
August, 2013.

/s/ Edward Mathers
Edward Mathers

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
