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<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">UNITED STATES</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Washington, D.C. 20549</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">FORM 8-K</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">CURRENT REPORT</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">Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934</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">Date of Report (Date of earliest event reported):
August 14, 2012</P>

<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 STYLE="width: 100%; border-bottom: black 1pt solid; font-size: 10pt; text-align: center">BIOANALYTICAL SYSTEMS, INC.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt; text-align: center">(Exact name of registrant as specified in its charter)</TD></TR>
</TABLE>
<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%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 22%; border-bottom: black 1pt solid; text-align: center">Indiana</TD>
    <TD STYLE="width: 6%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 38%; border-bottom: black 1pt solid; text-align: center">0-23357</TD>
    <TD STYLE="width: 6%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 28%; border-bottom: black 1pt solid; text-align: center">35-1345024</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(State or other<BR> jurisdiction of<BR> incorporation or<BR> organization)</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">(Commission File Number)</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">(I.R.S. Employer Identification No.)</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">
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    <TD STYLE="width: 47%; border-bottom: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2701 KENT AVENUE</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WEST LAFAYETTE, INDIANA</P></TD>
    <TD STYLE="width: 11%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 42%; border-bottom: black 1pt solid">
        <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">47906-1382</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(Address of principal executive offices)</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">(Zip Code)</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">Registrant's telephone number, including
area code: (765) 463-4527</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">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:</P>

<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 STYLE="width: 3%; font-family: Wingdings; text-align: right">&uml;</TD>
    <TD STYLE="width: 97%">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</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 STYLE="width: 3%; font-family: Wingdings; text-align: right">&uml;</TD>
    <TD STYLE="width: 97%">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17CFR240.14a-12)</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Wingdings; text-align: right">&uml;</TD>
    <TD STYLE="width: 97%">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR240.14d-2(b))</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 STYLE="width: 3%; font-family: Wingdings; text-align: right">&uml;</TD>
    <TD STYLE="width: 97%">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17CFR240.13e-4(c))</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The information provided in Item 2.02 and
Item 9.01 of this Form 8-K is being furnished and shall not be deemed &quot;filed&quot; for the purpose of Section 18 of the Securities
Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in Item 2.02 and Item
9.01 of this Form 8-K shall not be incorporated by reference into any registration statement or other document pursuant to the
Securities Act of 1933, as amended.</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">Item 2.02.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Results
of Operations and Financial Condition.</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-indent: 0.5in">On August 14, 2012, Bioanalytical Systems,
Inc. issued a press release announcing results for the first nine months of fiscal 2012, ending June 30, 2012. The full text of
the press release is furnished as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference.</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">Item 9.01.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial
Statements and Exhibits.</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-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not
applicable.</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-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not
applicable.</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-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not
applicable.</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-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibits</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-indent: 0.5in">99.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Bioanalytical
Systems, Inc. press release, issued August 14, 2012.</P>

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

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

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

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 45%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Bioanalytical Systems, Inc.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Date: August 14, 2012</TD>
    <TD>By:&nbsp;&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid">/s/&nbsp;Jacqueline M. Lemke</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD>
    <TD>Jacqueline M. Lemke</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD>
    <TD>Interim President and Chief Executive Officer and Vice President of Finance and Chief Financial Officer</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">&nbsp;</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>Exhibit Index</B></P>

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

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    <TD STYLE="width: 10%; border-bottom: black 1pt solid">Exhibit No.</TD>
    <TD STYLE="width: 2%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 88%; border-bottom: black 1pt solid">Description</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>99.1</TD>
    <TD>&nbsp;</TD>
    <TD>Bioanalytical Systems, Inc. press release, issued August 14, 2012.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 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):
August 14, 2012
BIOANALYTICAL SYSTEMS, INC.
(Exact name of registrant as specified in its charter)
Indiana
0-23357
35-1345024
(State or other
jurisdiction of
incorporation or
organization)
(Commission File Number)
(I.R.S. Employer Identification No.)
2701 KENT AVENUE
WEST LAFAYETTE, INDIANA
47906-1382
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including
area code: (765) 463-4527
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:
¨
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 (17CFR240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17CFR240.13e-4(c))
The information provided in Item 2.02 and
Item 9.01 of this Form 8-K is being furnished and shall not be deemed "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in Item 2.02 and Item
9.01 of this Form 8-K shall not be incorporated by reference into any registration statement or other document pursuant to the
Securities Act of 1933, as amended.
Item 2.02.          Results
of Operations and Financial Condition.
On August 14, 2012, Bioanalytical Systems,
Inc. issued a press release announcing results for the first nine months of fiscal 2012, ending June 30, 2012. The full text of
the press release is furnished as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference.
Item 9.01.          Financial
Statements and Exhibits.
(a)          Not
applicable.
(b)          Not
applicable.
(c)          Not
applicable.
(d)          Exhibits
99.1          Bioanalytical
Systems, Inc. press release, issued August 14, 2012.
SIGNATURES
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.
Bioanalytical Systems, Inc.
Date: August 14, 2012
By:
/s/ Jacqueline M. Lemke
Jacqueline M. Lemke
Interim President and Chief Executive Officer and Vice President of Finance and Chief Financial Officer
Exhibit Index
Exhibit No.
Description
99.1
Bioanalytical Systems, Inc. press release, issued August 14, 2012.