<SEC-DOCUMENT>0001766526-19-000014.txt : 20190515
<SEC-HEADER>0001766526-19-000014.hdr.sgml : 20190515
<ACCEPTANCE-DATETIME>20190515185431
ACCESSION NUMBER:		0001766526-19-000014
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190514
FILED AS OF DATE:		20190515
DATE AS OF CHANGE:		20190515

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bomersbach Barb
		CENTRAL INDEX KEY:			0001774442

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38910
		FILM NUMBER:		19830189

	MAIL ADDRESS:	
		STREET 1:		16200 DALLAS PARKWAY, SUITE 190
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75248

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tectonic Financial, Inc.
		CENTRAL INDEX KEY:			0001766526
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				820764846
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		16200 DALLAS PARKWAY, SUITE 190
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75248
		BUSINESS PHONE:		972-720-9000

	MAIL ADDRESS:	
		STREET 1:		16200 DALLAS PARKWAY, SUITE 190
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75248

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	T Acquisition, Inc.
		DATE OF NAME CHANGE:	20190131
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-05-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001766526</issuerCik>
        <issuerName>Tectonic Financial, Inc.</issuerName>
        <issuerTradingSymbol>TECTP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001774442</rptOwnerCik>
            <rptOwnerName>Bomersbach Barb</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TECTONIC FINANCIAL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>16200 DALLAS PARKWAY, SUITE 190</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75248</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Series B Preferred Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-05-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares purchased through a directed share program in connection with the initial public offering of the Issuer's 9.00% Fixed-to-Floating Rate Series B Non-Cumulative Perpetual Preferred Stock (the &quot;Series B preferred stock&quot;), which closed on May 14, 2019.  These shares of Series B preferred stock were purchased at the public offering price of $10.00 per share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By Ken Bramlage as Attorney-in-Fact for Barb Bomersbach</signatureName>
        <signatureDate>2019-05-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
