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<P id=PARA1 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, Times, serif"><B>UNITED STATES</B></FONT></P>
<P id=PARA2 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, Times, serif"><B>SECURITIES AND EXCHANGE COMMISSION</B></FONT></P>
<P id=PARA3 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, Times, serif"><B>WASHINGTON, D.C. 20549</B></FONT></P>
<P id=PARA4 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, Times, serif"><B>&nbsp;&nbsp;</B></FONT></P>
<P id=PARA5 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, Times, serif"><B>FORM 8-K</B></FONT></P>
<P id=PARA6 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman, Times, serif"><B>&nbsp;&nbsp;</B></FONT></P>
<P id=PARA7 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>CURRENT REPORT</B></FONT></P>
<P id=PARA8 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA9 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA10 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B></FONT></P>
<P id=PARA11 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA12 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Date of Report (Date of earliest event reported):&nbsp;&nbsp;October 29, 2015</B></FONT></P>
<P id=PARA13 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>&nbsp;</B></FONT></P>
<P id=PARA14 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>&nbsp;</B></FONT></P>
<P id=PARA15 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman, Times, serif"><B>SPIRE CORPORATION</B></FONT></P>
<P id=PARA16 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Exact Name of Registrant as Specified in Charter)</FONT></P>
<P id=PARA17 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;&nbsp;</FONT></P>
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<P id=PARA19 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Massachusetts</B></FONT></P></TD>
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<P id=PARA20 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>0-12742</B></FONT></P></TD>
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<P id=PARA21 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>04-2457335</B></FONT></P></TD></TR>
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<P id=PARA22 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(State or Other Jurisdiction&nbsp;of Incorporation)</FONT></P></TD>
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<P id=PARA23 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Commission</FONT></P>
<P id=PARA24 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">File Number)</FONT></P></TD>
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<P id=PARA25 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(IRS Employer</FONT></P>
<P id=PARA26 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Identification No.)</FONT></P></TD></TR></TABLE>
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<P id=PARA29 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
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<P id=PARA30 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>One Patriots Park, Bedford, Massachusetts</B></FONT></P></TD>
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<P id=PARA31 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>01730-2396</B></FONT></P></TD></TR>
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<P id=PARA32 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Address of Principal Executive Offices)</FONT></P></TD>
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<P id=PARA33 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Zip Code)</FONT></P></TD></TR></TABLE>
<P id=PARA35 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA36 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA37 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Registrant&#8217;s telephone number, including area code:<B>&nbsp;(781) 275-6000</B></FONT></P>
<P id=PARA38 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA39 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
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<P id=PARA40 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>Not Applicable</B></FONT></P></TD></TR>
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<P id=PARA41 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">(Former name or address, if changed since last report)</FONT></P></TD></TR></TABLE>
<P id=PARA43 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA44 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA45 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Check the appropriate box below if the Form&nbsp;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):</FONT></P>
<P id=PARA46 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA47 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</FONT></P>
<P id=PARA48 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA49 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></P>
<P id=PARA50 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA51 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17&nbsp;CFR&nbsp;240.14d-2(b))</FONT></P>
<P id=PARA52 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA53 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&#9744;</FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17&nbsp;CFR&nbsp;240.13e-4(c))</FONT></P>
<P id=PARA54 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
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<P id=PARA144 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><B>Item 4.01</B></P></TD>
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<P id=PARA145 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><B>Changes in Registrant&#8217;s Certifying Accountant.</B></P></TD></TR></TABLE>
<P id=PARA133.2 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"></FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT>&nbsp;</P>
<P id=PARA62 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"></FONT><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">On October 29, 2015, Spire Corporation (the &#8220;Company&#8221;) was notified by its independent registered public accounting firm, RSM US LLP (formerly McGladrey LLP) (&#8220;RSM&#8221;), that RSM has resigned as the Company&#8217;s independent registered public accounting firm effective immediately. </FONT></P>
<P id=PARA63 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA64 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">RSM&#8217;s report on the financial statements of the Company for the fiscal years ended December 31, 2013 and 2012 contained no adverse opinion or a disclaimer of opinion and was not qualified or modified as to uncertainty, audit scope or accounting principles, except that the report contained a paragraph stating that there was substantial doubt about the Company&#8217;s ability to continue as a going concern. RSM did not issue a report on the financial statements of the Company for the fiscal year ended December 31, 2014 due to the Company&#8217;s financial and liquidity issues impacting its ability to complete its financial statements. </FONT></P>
<P id=PARA65 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA66 style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">During the fiscal years ended December 31, 2014 and 2013, and through October 29, 2015, the Company did not (i) have any disagreements (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions to Item 304 of Regulation S-K) with RSM on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure, which disagreements, if not resolved to the satisfaction of RSM, would have caused it to make reference thereto in connection with its reports; or (ii) experience any reportable events (as defined in Item 304(a)(1)(v) of Regulation S-K). </FONT></P>
<P id=PARA67 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA68 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">The Company provided RSM with a copy of this Current Report on Form 8-K (this &#8220;Report&#8221;) and requested that RSM furnish the Company with a letter addressed to the Securities and Exchange Commission stating whether or not RSM agrees with the statements made in this Report. A copy of such letter is filed as Exhibit 16.1 to this Report.</FONT></P>
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<P id=PARA134 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><B>Item 9.01</B></P></TD>
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<P id=PARA135 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><B>Financial Statements and Exhibits.</B></P></TD></TR>
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<P id=PARA136 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">&nbsp;</P></TD>
<TD style="WIDTH: 5%" width=27>&nbsp;</TD>
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<P id=PARA137 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">&nbsp;</P></TD></TR>
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<P id=PARA138 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">&nbsp;</P></TD>
<TD style="WIDTH: 5%" width=27>(d)&nbsp;</TD>
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<P id=PARA139 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt"><I>Exhibits</I>.</P></TD></TR>
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<P id=PARA143 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">16.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Letter from RSM US LLP, dated November 4, 2015.</P></TD></TR></TABLE>
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<P id=PARA78 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>SIGNATURE</B></FONT></P>
<P id=PARA79 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P>
<P id=PARA80 style="TEXT-ALIGN: justify; MARGIN: 0pt; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">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.</FONT></P>
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<P id=PARA86 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">SPIRE CORPORATION</FONT></P></TD></TR>
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<P id=PARA92 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">November 4, 2015</FONT></P></TD>
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<P id=PARA93 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">By:</FONT></P></TD>
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<P id=PARA94 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">/s/&nbsp;Rodger W. LaFavre</FONT></P></TD></TR>
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<P id=PARA96 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">&nbsp;</FONT></P></TD>
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<P id=PARA97 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Rodger W. LaFavre&nbsp;</FONT></P></TD></TR>
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<P id=PARA100 style="TEXT-ALIGN: left; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif">Chief Executive Officer and President&nbsp;</FONT></P></TD></TR></TABLE>
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<P id=PARA106 style="TEXT-ALIGN: center; MARGIN: 0pt; LINE-HEIGHT: 1.25"><FONT style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman, Times, serif"><B>EXHIBIT INDEX</B></FONT></P>
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<P id=PARA148 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">Exhibit<BR>No.&nbsp;</P></TD>
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<P id=PARA150 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">Description&nbsp;&nbsp;&nbsp;</P></TD></TR>
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<P id=PARA154 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">16.1</P></TD>
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<P id=PARA156 style="MARGIN-BOTTOM: 0pt; MARGIN-TOP: 0pt">Letter from RSM US LLP, dated November 4, 2015.</P></TD></TR></TABLE>
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spir20151104_8k.htm
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):  October 29, 2015
SPIRE CORPORATION
(Exact Name of Registrant as Specified in Charter)
Massachusetts
0-12742
04-2457335
(State or Other Jurisdiction of Incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
One Patriots Park, Bedford, Massachusetts
01730-2396
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code:
(781) 275-6000
Not Applicable
(Former name or 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 4.01
Changes in Registrant's Certifying Accountant.
On October 29, 2015, Spire Corporation (the "Company") was notified by its independent registered public accounting firm, RSM US LLP (formerly McGladrey LLP) ("RSM"), that RSM has resigned as the Company's independent registered public accounting firm effective immediately.
RSM's report on the financial statements of the Company for the fiscal years ended December 31, 2013 and 2012 contained no adverse opinion or a disclaimer of opinion and was not qualified or modified as to uncertainty, audit scope or accounting principles, except that the report contained a paragraph stating that there was substantial doubt about the Company's ability to continue as a going concern. RSM did not issue a report on the financial statements of the Company for the fiscal year ended December 31, 2014 due to the Company's financial and liquidity issues impacting its ability to complete its financial statements.
During the fiscal years ended December 31, 2014 and 2013, and through October 29, 2015, the Company did not (i) have any disagreements (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions to Item 304 of Regulation S-K) with RSM on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure, which disagreements, if not resolved to the satisfaction of RSM, would have caused it to make reference thereto in connection with its reports; or (ii) experience any reportable events (as defined in Item 304(a)(1)(v) of Regulation S-K).
The Company provided RSM with a copy of this Current Report on Form 8-K (this "Report") and requested that RSM furnish the Company with a letter addressed to the Securities and Exchange Commission stating whether or not RSM agrees with the statements made in this Report. A copy of such letter is filed as Exhibit 16.1 to this Report.
Item 9.01
Financial Statements and Exhibits.
(d)
Exhibits
.
16.1     Letter from RSM US LLP, dated November 4, 2015.
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.
SPIRE CORPORATION
November 4, 2015
By:
/s/ Rodger W. LaFavre
Rodger W. LaFavre
Chief Executive Officer and President
EXHIBIT INDEX
Exhibit
No.
Description
16.1
Letter from RSM US LLP, dated November 4, 2015.