<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 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-align: center"><B>UNITED STATES </B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, DC 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"><FONT STYLE="font-size: 12pt"><B>FORM 8-K</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>TO SECTION 13 OR 15(D) OF THE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES EXCHANGE ACT OF 1934</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">Date of report (Date of earliest event reported):
<U>April 24, 2012 </U></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"><FONT STYLE="font-size: 12pt"><B>Bacterin
International Holdings, Inc.</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact Name of Registrant as Specified in
        Its Charter)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">Delaware</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(State or Other Jurisdiction of Incorporation)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 46%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">001-34951</TD>
    <TD STYLE="width: 54%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">20-5313323</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(Commission File Number)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(IRS Employer Identification No.)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">600 Cruiser Lane</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Belgrade, Montana</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">59714</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(Address of Principal Executive Offices)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(Zip Code)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(406) 388-0480</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center">(Registrant&rsquo;s Telephone Number, Including Area Code)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-bottom: windowtext 1pt solid; font-size: 10pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center">(Former Name or Former Address, if Changed Since Last Report)</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-align: justify">Check the appropriate box below if the
Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(<U>see </U>General Instruction A.2. below):</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</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"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</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"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(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; text-align: justify"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</FONT></P>

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

<!-- Field: Page; Sequence: 1 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 7.01</B></TD><TD STYLE="text-align: justify"><B>Regulation FD Disclosure.</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The Company has issued a press release
entitled &ldquo;Bacterin International Holdings, Inc. Schedules First Quarter 2012 Financial Earnings Conference Call&rdquo; which
is attached as Exhibit 99.1 and incorporated herein.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The information in this Item 7.01 and the
document attached as Exhibit 99.1 are being furnished and shall not be deemed &ldquo;filed&rdquo; for purposes of Section 18 of
the Securities and Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), nor otherwise subject to the liabilities
of that section, nor incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as shall
be expressly set forth by specific reference in such a filing. <FONT STYLE="font-size: 10pt"> </FONT></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 9.01.</B></TD><TD STYLE="text-align: justify"><B>Financial Statements and Exhibits.</B></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-indent: 0.5in">(d)&nbsp;&nbsp;<U>Exhibits</U>.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font-family: Times New Roman, Times, Serif">
<TR>
    <TD STYLE="width: 11%; vertical-align: top; border-bottom: Black 1pt solid; font-size: 10pt; font-weight: bold">Exhibit No</TD>
    <TD STYLE="width: 2%; font-size: 10pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 87%; vertical-align: top; border-bottom: Black 1pt solid; font-size: 10pt; font-weight: bold">Description</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font-size: 10pt">99.1</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt; text-align: justify">Press Release of Bacterin International Holdings, Inc. dated April 24, 2012 entitled &ldquo;Bacterin International Holdings, Inc. Schedules First Quarter 2012 Financial Earnings Conference Call&rdquo;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<!-- Field: Page; Sequence: 2 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<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: center">SIGNATURE</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></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: justify; text-indent: 0.5in">Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&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 STYLE="width: 50%">Dated:&nbsp; April 24, 2012</TD>
    <TD STYLE="width: 50%"><B>BACTERIN INTERNATIONAL HOLDINGS, INC</B>.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">By: &nbsp;/s/ Guy S. Cook</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Name:&nbsp; Guy S. Cook</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Title: President and Chief Executive Officer</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<!-- Field: Page; Sequence: 3 -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<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>EXHIBIT INDEX</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR>
    <TD STYLE="width: 11%; vertical-align: top">99.1</TD>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 87%; vertical-align: top; text-align: justify">Press Release of Bacterin International Holdings, Inc. dated April 24, 2012 entitled &ldquo;Bacterin International Holdings, Inc. Schedules First Quarter 2012 Financial Earnings Conference Call&rdquo;</TD></TR>
</TABLE>
<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"></P>

<!-- Field: Page; Sequence: 4; Options: Last -->
    <DIV STYLE="margin-top: 12pt; margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>



<P STYLE="margin: 0"></P>

</BODY>
</HTML>
[{"type": "8-K", "sequence": "1", "filename": "v310457_8k.htm", "description": "8-K", "secsgml_size_bytes": 15835}]
{"company-data": {"conformed-name": "Bacterin International Holdings, Inc.", "cik": "0001453593", "assigned-sic": "2836", "irs-number": "205313323", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-34951", "film-number": "12776457"}, "business-address": {"street1": "600 CRUISER LANE", "city": "BELGRADE", "state": "MT", "zip": "59714", "phone": "406-388-0480"}, "mail-address": {"street1": "600 CRUISER LANE", "city": "BELGRADE", "state": "MT", "zip": "59714"}, "former-company": {"former-conformed-name": "K KITZ INC", "date-changed": "20090108"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 8-K
CURRENT REPORT PURSUANT
TO SECTION 13 OR 15(D) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported):
April 24, 2012
Bacterin
International Holdings, Inc.
(Exact Name of Registrant as Specified in
        Its Charter)
Delaware
(State or Other Jurisdiction of Incorporation)
001-34951
20-5313323
(Commission File Number)
(IRS Employer Identification No.)
600 Cruiser Lane
Belgrade, Montana
59714
(Address of Principal Executive Offices)
(Zip Code)
(406) 388-0480
(Registrant's Telephone Number, Including Area Code)
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the
Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(
see
General Instruction A.2. below):
¨
Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 7.01
Regulation FD Disclosure.
The Company has issued a press release
entitled "Bacterin International Holdings, Inc. Schedules First Quarter 2012 Financial Earnings Conference Call" which
is attached as Exhibit 99.1 and incorporated herein.
The information in this Item 7.01 and the
document attached as Exhibit 99.1 are being furnished and shall not be deemed "filed" for purposes of Section 18 of
the Securities and Exchange Act of 1934, as amended (the "Exchange Act"), nor otherwise subject to the liabilities
of that section, nor incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as shall
be expressly set forth by specific reference in such a filing.
Item 9.01.
Financial Statements and Exhibits.
(d)
Exhibits
.
Exhibit No
Description
99.1
Press Release of Bacterin International Holdings, Inc. dated April 24, 2012 entitled "Bacterin International Holdings, Inc. Schedules First Quarter 2012 Financial Earnings Conference Call"
SIGNATURE
Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.
Dated:  April 24, 2012
BACTERIN INTERNATIONAL HOLDINGS, INC
.
By:  /s/ Guy S. Cook
Name:  Guy S. Cook
Title: President and Chief Executive Officer
EXHIBIT INDEX
99.1
Press Release of Bacterin International Holdings, Inc. dated April 24, 2012 entitled "Bacterin International Holdings, Inc. Schedules First Quarter 2012 Financial Earnings Conference Call"