<SEC-DOCUMENT>0001144204-18-013230.txt : 20180307
<SEC-HEADER>0001144204-18-013230.hdr.sgml : 20180307
<ACCEPTANCE-DATETIME>20180307114902
ACCESSION NUMBER:		0001144204-18-013230
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180307
DATE AS OF CHANGE:		20180307

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLEARSIGN COMBUSTION CORP
		CENTRAL INDEX KEY:			0001434524
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-86820
		FILM NUMBER:		18672441

	BUSINESS ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168
		BUSINESS PHONE:		(206) 673-4848

	MAIL ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARLETT CHRISTOPHER A
		CENTRAL INDEX KEY:			0000897744

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		100 WILSHIRE BLVD
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>tv487961_sc13d-a.htm
<DESCRIPTION>SC 13D/A
<TEXT>
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     <TITLE></TITLE>
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<P STYLE="margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION<BR>
WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SCHEDULE 13D/A</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Rule 13d-101)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION TO BE INCLUDED IN STATEMENTS
FILED PURSUANT TO RULE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>13D-1(a) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13D-2(a)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Amendment No. 8)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>ClearSign Combustion Corporation</B><BR>
(Name of Issuer)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Common Stock</B><BR>
(Title of Class of Securities)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>185064102</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(CUSIP Number)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Andrew D. Hudders, Esq.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Golenbock Eiseman Assor Bell &amp; Peskoe
LLP, </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>437 Madison Avenue, New York, New York
10022 </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(212-907-7300)</B><BR>
(Name, Address and Telephone Number of Person Authorized<BR>
to Receive Notices and Communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>February 27, 2018</B><BR>
(Date of Event which Requires Filing of this Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If the filing person has previously filed a statement on Schedule
13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3)
or (4), check the following box. &uml;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Note: Schedules filed in paper format shall include a signed
original and five copies of the schedule, including all exhibits. See &sect;240.13d-7 for other parties to whom copies are to be
sent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">* The remainder of this cover page shall be filled out for a
reporting person&rsquo;s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment
containing information which would alter disclosures provided in a prior cover page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information required on the remainder of this cover page
shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&ldquo;Act&rdquo;)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">CUSIP NO.: 185064102</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 6%; border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 56%; border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 38%; border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">1)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">NAME OF REPORTING PERSON</FONT></TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">Christopher A. Marlett</FONT></TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">2)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">(a) <FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid"><FONT STYLE="font-size: 10pt">(b) <FONT STYLE="font-family: Wingdings">&#120;</FONT></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">3)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">SEC Use Only</FONT></TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">4)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">SOURCE OF FUNDS</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">OO</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">5)</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">PURSUANT TO ITEMS 2(d) OR 2(e)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">6)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">CITIZENSHIP OR PLACE OF ORGANIZATION</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">United States</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD NOWRAP STYLE="width: 15%"><FONT STYLE="font-size: 10pt">NUMBER OF</FONT></TD>
    <TD STYLE="width: 6%"><FONT STYLE="font-size: 10pt">7)</FONT></TD>
    <TD STYLE="width: 41%"><FONT STYLE="font-size: 10pt">SOLE VOTING POWER</FONT></TD>
    <TD STYLE="width: 38%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP><FONT STYLE="font-size: 10pt">SHARES </FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP><FONT STYLE="font-size: 10pt">BENEFICIALLY</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">8)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">SHARED VOTING POWER</FONT></TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP><FONT STYLE="font-size: 10pt">OWNED BY</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP><FONT STYLE="font-size: 10pt">EACH</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">9)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">SOLE DISPOSITIVE POWER</FONT></TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP><FONT STYLE="font-size: 10pt">REPORTING</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP><FONT STYLE="font-size: 10pt">PERSON WITH</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">10)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">SHARED DISPOSITIVE POWER</FONT></TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">11)</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON </FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 56%">&nbsp;</TD>
    <TD STYLE="width: 38%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">12)</FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 10pt">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES </FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font-size: 10pt">CERTAIN SHARES</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt"><FONT STYLE="font-family: Wingdings">&#168;</FONT></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">13)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) </FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">Less than 5% (1)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font-size: 10pt">14)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">TYPE OF REPORTING PERSON</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">IN</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(1) The percentage ownership fell below 5% as a result
of the ClearSign Combustion Corporation completing an underwritten public offering of its common stock on February 27, 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">This Amendment No. 8 to Schedule 13D (this &ldquo;Amendment&rdquo;)
amends the Schedule 13D originally filed by Christopher Marlett (the &ldquo;Reporting Person&rdquo;) with the Securities and Exchange
Commission (the &ldquo;SEC&rdquo;) on May 1, 2012, as amended (as amended, this &ldquo;Schedule 13D&rdquo;) and is filed to update
information in the Amendment No. 7, filed March 14, 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">ITEM 1.&#9;&#9;Security
and Issuer</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The class of equity securities to which this Schedule 13D relates
is shares of common stock (the &ldquo;Common Stock&rdquo;) of ClearSign Combustion Corporation, a Washington corporation (the &ldquo;Issuer&rdquo;).
The principal executive office of the Issuer is 12870 Interurban Avenue South, Seattle, Washington 98168.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">ITEM 2.&#9;&#9;Identity
and Background.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">a)</TD><TD>This Schedule 13D is being filed by Christopher A. Marlett.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">b)</TD><TD>The Reporting Person&rsquo;s business address is 2425 Cedar Springs Road, Dallas, TX 75201.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">c)</TD><TD>The Reporting Person&rsquo;s principal occupation is being the Chief Executive Officer of MDB Capital Group, LLC, an investment
banking firm.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">d)</TD><TD>Not applicable as the Reporting Person is no longer required to file a Schedule 13D.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">e)</TD><TD>Not applicable as the Reporting Person is no longer required to file a Schedule 13D.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">f)</TD><TD>Not applicable as the Reporting Person is no longer required to file a Schedule 13D.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">ITEM 3.&#9;&#9;Source
and Amount of Funds and Other Consideration.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not applicable as the Reporting Person is no longer required
to file a Schedule 13D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">ITEM 4.&#9;&#9;Purpose
of Transaction</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not applicable as the Reporting Person is no longer required
to file a Schedule 13D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">ITEM 5.&#9;&#9;Interests
in Securities of the Issuer</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">a)</TD><TD>The Reporting Person beneficially owns less than 4% of the Common Stock of the Issuer as a result of the Issuer selling additional
shares of Common Stock on February 27, 2018, in an underwritten public offering.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">b)</TD><TD>Not applicable as the Reporting Person is no longer required to file a Schedule 13D.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">ITEM 6.&#9;&#9;CONTRACTS,
ARRANGEMENTS UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE ISSUER.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not applicable as the Reporting Person is no longer required
to file a Schedule 13D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">ITEM 7.&#9;&#9;MATERIAL
TO BE FILED AS EXHIBITS.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Not applicable as the Reporting Person is no longer required
to file a Schedule 13D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this amended statement on Schedule 13D is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated as of: March 7, 2018</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5in">&#9;<U>/s/ Christopher A. Marlett&#9;</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5in">&nbsp;Christopher A. Marlett</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>



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