<SEC-DOCUMENT>0001136261-15-000007.txt : 20150107
<SEC-HEADER>0001136261-15-000007.hdr.sgml : 20150107
<ACCEPTANCE-DATETIME>20150107171749
ACCESSION NUMBER:		0001136261-15-000007
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150107
DATE AS OF CHANGE:		20150107

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCA biopharma, Inc.
		CENTRAL INDEX KEY:			0000907654
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				363855489
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51477
		FILM NUMBER:		15514234

	BUSINESS ADDRESS:	
		STREET 1:		11080 CIRCLEPOINT ROAD
		STREET 2:		SUITE 140
		CITY:			WESTMINSTER
		STATE:			CO
		ZIP:			80020
		BUSINESS PHONE:		720-940-2200

	MAIL ADDRESS:	
		STREET 1:		11080 CIRCLEPOINT ROAD
		STREET 2:		SUITE 140
		CITY:			WESTMINSTER
		STATE:			CO
		ZIP:			80020

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NUVELO INC
		DATE OF NAME CHANGE:	20030203

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HYSEQ INC
		DATE OF NAME CHANGE:	19970610

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			mccormack riley
		CENTRAL INDEX KEY:			0001536534

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	MAIL ADDRESS:	
		STREET 1:		2555 LAKE AVE
		CITY:			MIAMI BEACH
		STATE:			FL
		ZIP:			33140
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sch13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
<HTML>
<HEAD>
<TITLE>January 7, 2015 SC 13G/A DOC</TITLE>
</HEAD>

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<FONT SIZE=2><P ALIGN="CENTER">UNITED STATES<BR>
                  SECURITIES AND EXCHANGE COMMISSION<BR>
                  Washington, D.C. 20549</P>

<P ALIGN="CENTER">SCHEDULE 13G/A<BR>
                  Under the Securities Exchange Act of 1934<BR>(Amendment No. 2)
                                </P>


<P ALIGN="CENTER">INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT<BR>
                  TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED<BR>
                  PURSUANT TO RULE 13d-2(b)</P>



<P ALIGN="CENTER">ARCA biopharma, Inc. </P>
<P ALIGN="CENTER">_______________________________________________________________________<BR>
                      (Name of Issuer)</P>

<P ALIGN="CENTER">Common Stock</P>
<P ALIGN="CENTER">_______________________________________________________________________<BR>
                      (Title of Class of Securities)</P>

<P ALIGN="CENTER">00211Y100</P>
<P ALIGN="CENTER">_______________________________________________________________________<BR>
                      (CUSIP Number)</P>


<P ALIGN="CENTER">January 6, 2015</P>
<P ALIGN="CENTER">_______________________________________________________________________<BR>
                      (Date of Event which Requires Filing of this Statement)</P>

<P>Check the appropriate box to designate the rule pursuant to which this Schedule is filed.</P>

<P><FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp; Rule 13d-1(b)</P>

<P><FONT FACE="WINGDINGS">&#120; <FONT FACE="Times New Roman">  &nbsp;&nbsp; Rule 13d-1(c)</P>

<P><FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp; Rule 13d-1(d)</P>


<FONT SIZE=2><P>*The  remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect
to the subject class of securities, and for any subsequent  amendment containing information which would alter the disclosures
provided in a prior cover page.</P>

<P>The information required in the remainder of this cover page shall not  be deemed to be "filed" for the purpose of Section 18 of  the
Securities  Exchange Act of 1934 ("Act") 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 ALIGN="CENTER">                                             (Page 1 of 5 Pages)
<HR WIDTH="100%">
<P style="PAGE-BREAK-BEFORE: always" align=left>


<B><FONT SIZE=2><P>CUSIP No. 00211Y100</P></B>

<TABLE BORDER CELLSPACING=1 WIDTH=85%>
<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">1.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4>
<FONT SIZE=2><P>Names of Reporting Persons.<BR>
I.R.S. Identification Nos. of above persons (entities only)</P>
</FONT><DIR>
<DIR>

<FONT SIZE=2><P>RILEY McCORMACK</P>
</FONT></DIR>
</DIR>
</TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=6>&#12288;</TD>
</TR>
<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">2.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4>
<FONT SIZE=2><P>Check the Appropriate Box if a Member of a Group (See Instructions)</P>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>
<DIR>

<P>(a) </FONT><FONT FACE="Wingdings" SIZE=2><FONT FACE="Wingdings" SIZE=2>&#168; <FONT FACE="Times New Roman" SIZE=2>
   <FONT SIZE=2><P>(b) </FONT><FONT FACE="Wingdings" SIZE=2><FONT FACE="Wingdings" SIZE=2>&#120; <FONT FACE="Times New Roman" SIZE=2>

</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</DIR>
</TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=6>&#12288;</TD>
</TR>
<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">3.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4>
<FONT SIZE=2><P>SEC Use Only<BR>
</FONT><FONT SIZE=1><P>&nbsp;
</FONT></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=6>&#12288;</TD>
</TR>
<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">4.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4>
<FONT SIZE=2><P>Citizenship or Place of Organization<BR>
<DIR>
<DIR>

USA</P>
</FONT></DIR>
</DIR>
</FONT></TD>
</TR>

<TR><TD WIDTH="24%" VALIGN="MIDDLE" COLSPAN=2 ROWSPAN=4>
<FONT SIZE=2>
<P ALIGN="CENTER">Number of Shares<BR>
                    Beneficially Owned<BR>
                     By Each    <BR>
                  Reporting Person With </P>
                   </FONT></TD>
<TD WIDTH="9%" VALIGN="TOP">
<FONT SIZE=2><P>5.</FONT></TD>
<TD WIDTH="67%" VALIGN="TOP">
<FONT SIZE=2><P>Sole Voting Power<BR>
<DIR>2,450,000(1)</DIR></FONT></TD>
</TR>
<TR><TD WIDTH="9%" VALIGN="TOP">
<FONT SIZE=2><P>6.</FONT></TD>
<TD WIDTH="67%" VALIGN="TOP">
<FONT SIZE=2><P>Shared Voting Power<BR>
<DIR> 0 </DIR></FONT></TD>
</TR>
<TR><TD WIDTH="9%" VALIGN="TOP">
<FONT SIZE=2><P>7.</FONT></TD>
<TD WIDTH="67%" VALIGN="TOP">
<FONT SIZE=2><P>Sole Dispositive Power<BR>
<DIR>2,450,000(1)</DIR></FONT></TD>
</TR>
<TR><TD WIDTH="9%" VALIGN="TOP">
<FONT SIZE=2><P>8.</FONT></TD>
<TD WIDTH="67%" VALIGN="TOP">
<FONT SIZE=2><P>Shared Dispositive Power<BR>
<DIR> 0 </DIR></FONT></TD>
</TR>

<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">9.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4><DIR>
<DIR>
<FONT SIZE=2><P>Aggregate Amount Beneficially Owned by Each Reporting Person <BR>
2,450,000(1)</DIR>
</DIR>
</FONT></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=6>
<FONT SIZE=2><P>&nbsp;</FONT></TD>
</TR>
<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">10.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4><DIR>
<DIR>

<FONT SIZE=2><P>Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) </DIR>
</DIR>
</FONT></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=6>
<FONT SIZE=2><P>&nbsp;</FONT></TD>
</TR>
<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">11.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4><DIR>
<DIR>

<FONT SIZE=2><P>Percent of Class Represented by Amount in Row (9)<BR>
11.58%(2)</DIR>
</DIR>
</FONT></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=6>
<FONT SIZE=2><P>&nbsp;</FONT></TD>
</TR>
<TR><TD WIDTH="3%" VALIGN="TOP">
<FONT SIZE=2><P ALIGN="RIGHT">12.</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP">
<FONT SIZE=1><P>&nbsp;</FONT></TD>
<TD WIDTH="95%" VALIGN="TOP" COLSPAN=4><DIR>
<DIR>

<FONT SIZE=2><P>Type of Reporting Person (See Instructions)<BR>
IN</DIR>
</DIR>
</FONT></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=6>
<FONT SIZE=2><P>&nbsp;</FONT></TD>
</TR>
<TR><TD WIDTH="3%" VALIGN="MIDDLE">&#12288;</TD>
<TD WIDTH="2%" VALIGN="MIDDLE">&#12288;</TD>
<TD WIDTH="17%" VALIGN="MIDDLE">&#12288;</TD>
<TD WIDTH="2%" VALIGN="MIDDLE">&#12288;</TD>
<TD WIDTH="2%" VALIGN="MIDDLE">&#12288;</TD>
<TD WIDTH="74%" VALIGN="MIDDLE">&#12288;</TD>
</TR>
</TABLE>

<FONT SIZE=1><P>(1) Consists of shares held by the Riley McCormack Revocable Trust, of which the reporting person is trustee.<BR>
   (2) Based on 21,150,486 shares of Common Stock issued and outstanding per ARCA biopharma, Inc. Form 10-Q
dated November 12, 2014.</P>

<FONT SIZE=2>

<P ALIGN="CENTER">                                             (Page 2 of 5 Pages)
<HR WIDTH="100%">
<P style="PAGE-BREAK-BEFORE: always" align=left>




<P>Item 1(a).&#9;Name of Issuer:</P>
<DIR>
<P>ARCA biopharma, Inc. </P>
</DIR>
<P>Item 1(b).&#9;Address of Issuer's principal executive offices:</P>
<DIR>
<P>11080 CirclePoint Road, Suite 140<BR>
           Westminster, Colorado</P>

</DIR>

<P>Item 2(a).&#9;Name of persons filing:</P>
<DIR>
<P>&#9;&#9;RILEY McCORMACK</P>
</DIR>
<P>Item 2(b).&#9;Address or principal business office or, if none, residence:</P>
<DIR>


<P>2515 Alhambra Circle<BR>
           Coral Gables, Florida 33134</P>
</DIR>

<P>Item 2(c).&#9;Citizenship or Place of Organization:</P>
<DIR>
<P>&#9;&#9;USA</P>
</DIR>
<P>Item 2(d).&#9;Title of class of securities:</P>
<DIR>
<P>&#9;Common Stock</P>
</DIR>

<P>Item 2(e).&#9;CUSIP No. 00211Y100</P>


<P>Item 3.&#9;If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person is filing is a:</P>

<DIR>


<P>(a) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).<BR>

(b) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).<BR>

(c) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
Insurance company as defined in section 3(a)(19) of the Act (15 U.S. C. 78c).<BR>

(d) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8)<BR>

(e) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
An investment adviser in accordance with &sect; 240.13d-1(b)(1)(ii)(E);<BR>

(f) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
An employee benefit plan or endowment fund in accordance with &sect; 240.13d-1(b)(1)(ii)(F);<BR>

(g) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
A parent holding company or control person in accordance with &sect; 240.13d-1(b)(1)(ii)(G);<BR>

(h) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);<BR>

(i) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 915 U.S.C. 80a-3);<BR>

(j) &nbsp;&nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp;&nbsp;
Group, in accordance with &sect; 240.13d-1(b)(1)(ii)(J).</P>


<P>NOT APPLICABLE</P>

</DIR>




<P ALIGN="CENTER">                                             (Page 3 of 5 Pages)
<HR WIDTH="100%">
<P style="PAGE-BREAK-BEFORE: always" align=left>



<P>Item 4.&#9;Ownership</P>

<DIR>


<P>&#9;(a)&#9;Amount beneficially owned:&#9;2,450,000<BR>
   &#9;(b)&#9;Percent of class: &#9;&#9;&#9; 11.58%<BR>
   &#9;(c)&#9;Number of shares as to which the person has:<BR>
   &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(i)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Sole power to vote or to direct the vote: 2,450,000<BR>
   &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(ii)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Shared power to vote or to direct the vote: 0<BR>
   &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(iii)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Sole power to dispose or to direct the disposition of: 2,450,000<BR>
   &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(iv)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Shared power to dispose or to direct the disposition of: 0</P>

</DIR>

<P>Item 5.&#9;Ownership of Five Percent or Less of a Class</P>

<DIR>

<P>If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial
owner of more than five percent of the class of securities, check the following &nbsp; <FONT FACE="WINGDINGS">&#168; <FONT FACE="Times New Roman">  &nbsp; </P>

</DIR>

<P>Item 6.&#9;Ownership of More than Five Percent on Behalf of Another Person</P>

<DIR> <P>NOT APPLICABLE</P> </DIR>

<P>Item 7.&#9;Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding
Company</P>



<DIR> <P>NOT APPLICABLE</P> </DIR>



<P>Item 8.&#9;Identification and Classification of Members of the Group</P>



<DIR> <P>NOT APPLICABLE</P> </DIR>



<P>Item 9.&#9;Notice of Dissolution of the Group</P>



<DIR> <P>NOT APPLICABLE</P> </DIR>



<P>Item 10.&#9;Certification</P>

<DIR>

<P>&#9;By signing below, I certify that, to the best of my knowledge and belief, the securities referred to <BR>
above were not acquired and are not held for the purpose of or with the effective of changing or <BR>
influencing the control of the issuer of the securities and were not acquired and are not held in <BR>
connection with or as a participant in any transaction having that purpose or effect, other than activities<BR>
solely in connection with a nomination under &sect;240.14a-11. </P>

</DIR>
<P ALIGN="JUSTIFY">EXHIBITS</P>
<DIR>
<P ALIGN="JUSTIFY">&#9;&#9;None</P>
</DIR>


<P ALIGN="CENTER">                                             (Page 4 of 5 Pages)
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<P ALIGN="CENTER">SIGNATURES</P>

<P>&#9;After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is
true, complete and correct.</P>

<P>&#9;Dated:&#9;January 7, 2015</P>

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<P>&#12288;</P>
<P>&#12288;</P>
<P>By: <U>&#9;/s/ Riley McCormack &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</U> <BR>
Name/Title: Riley McCormack, Trustee</P>

</DIR>
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<P> &nbsp; </P>
<P> &nbsp; </P>
<P> &nbsp; </P>
<P> &nbsp; </P>



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