<SEC-DOCUMENT>0001171843-22-003899.txt : 20220524
<SEC-HEADER>0001171843-22-003899.hdr.sgml : 20220524
<ACCEPTANCE-DATETIME>20220524080942
ACCESSION NUMBER:		0001171843-22-003899
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220523
FILED AS OF DATE:		20220524
DATE AS OF CHANGE:		20220524

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schuetz Thomas J.
		CENTRAL INDEX KEY:			0001591464

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39696
		FILM NUMBER:		22954057

	MAIL ADDRESS:	
		STREET 1:		C/O RELYPSA, INC.
		STREET 2:		700 SAGINAW DR.
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Compass Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001738021
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		80 GUEST STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02135
		BUSINESS PHONE:		617-500-8099

	MAIL ADDRESS:	
		STREET 1:		80 GUEST STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02135

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Olivia Ventures, Inc.
		DATE OF NAME CHANGE:	20180419
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-05-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001738021</issuerCik>
        <issuerName>Compass Therapeutics, Inc.</issuerName>
        <issuerTradingSymbol>CMPX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001591464</rptOwnerCik>
            <rptOwnerName>Schuetz Thomas J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O COMPASS THERAPEUTICS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>80 GUEST ST., SUITE 601</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02135</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CHIEF EXECUTIVE OFFICER</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-05-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18355</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.72</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5191873</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is the weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $2.51 to $2.89 per share. The reporting person hereby undertakes to provide, upon request, to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, full information regarding the number of shares purchased and prices within the range set forth above.</footnote>
        <footnote id="F2">206,043 of these shares of common stock underlie unvested restricted stock awards that are subject to a right of repurchase in favor of the issuer, which vest as follows: restricted stock award granted on July 3, 2019, with the remaining 83,812 shares vesting approximately equally per month with shares fully vested on July 31, 2023 and restricted stock award granted on December 20, 2019, with the remaining 122,231 shares vesting approximately equally per month with shares fully vested on December 31, 2023. 600,000 of the shares represents restricted stock units (&quot;RSU&quot;) granted to the reporting person on November 16, 2021. Each RSU represents a contingent right to receive one share of common stock. The award is subject to service-based vesting conditions and vests in four equal annual installments, with the first installment vesting on November 15, 2022.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Thomas J. Schuetz</signatureName>
        <signatureDate>2022-05-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
