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<TITLE>Form 8-K</TITLE>
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 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:20pt; font-family:Times New Roman" ALIGN="center"><B>FORM 8-K
</B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT REPORT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>PURSUANT
TO SECTION 13 OR 15(d) </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>OF THE SECURITIES EXCHANGE ACT OF 1934 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>September&nbsp;30, 2013 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of Report (Date of earliest event reported) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>Volterra
Semiconductor Corporation </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
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<TD VALIGN="top" ALIGN="center"><B>000-50857</B></TD>
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<TD VALIGN="top" ALIGN="center"><B>94-3251865</B></TD></TR>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or other jurisdiction of</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>incorporation or organization)</B></P></TD>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Commission</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>File Number)</B></P></TD>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(I.R.S. Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>47467 Fremont Blvd., </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Fremont, California, 94538 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Address of principal executive offices including zip code) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(510) 743-1200 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Registrant&#146;s telephone number, including area code) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Not Applicable </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Former
Name or Former Address, if Changed Since Last Report) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">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-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;2.01. Completion of Acquisition or Disposition of Assets. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As previously disclosed, on August&nbsp;15, 2013, Volterra Semiconductor Corporation, a Delaware corporation (&#147;Volterra&#148;), entered
into an agreement and plan of merger (the &#147;Merger Agreement&#148;) with Maxim Integrated Products, Inc., a Delaware corporation (&#147;Maxim&#148;), and Victory Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Maxim
(&#147;Purchaser&#148;). In accordance with the terms of the Merger Agreement, Purchaser commenced a tender offer to purchase all outstanding shares of common stock, par value $0.001 (the &#147;Shares&#148;) of Volterra, at a price of $23.00 per
Share, net in cash, without interest (less any required withholding taxes) (the &#147;Offer Price&#148;), upon the terms and subject to the conditions set forth in the Offer to Purchase, dated August&nbsp;30, 2013 (together with any amendments or
supplements thereto, the &#147;Offer to Purchase&#148;) and the related Letter of Transmittal (together with any amendments or supplements thereto, the &#147;Letter of Transmittal&#148; and, together with the Offer to Purchase, the
&#147;Offer&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On October&nbsp;1, 2013, Maxim announced the completion of the Offer. The Offer, as extended, expired at 9:00 a.m.,
New York City time, on October&nbsp;1, 2013 (the &#147;Expiration Date&#148;). According to Computershare Inc., the depositary for the Offer (the &#147;Depositary&#148;), as of the Expiration Date, a total of 22,225,845 Shares had been validly
tendered into and not withdrawn from the Offer, representing approximately 86.23% of the 25,774,025 outstanding Shares as of the Expiration Date. Additionally, the Depositary advised Volterra, Maxim and Purchaser that an additional 570,064 Shares
had been tendered by notice of guaranteed delivery as of the Expiration Date. The aggregate number of Shares validly tendered and not properly withdrawn pursuant to the Offer satisfied the Minimum Condition under the Offer. All conditions to the
Offer having been satisfied, Purchaser accepted for payment all Shares validly tendered into the Offer and not properly withdrawn. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On
October&nbsp;1, 2013, following the expiration of the Offer and the purchase of the Shares by Purchaser of the Shares validly tendered and not properly withdrawn thereunder, Purchaser merged with and into Volterra, with Volterra surviving the merger
and continuing as a wholly-owned subsidiary of Maxim (the &#147;Merger&#148;). As a result of its acceptance of the Shares tendered in the Offer and given that it was determined that Section&nbsp;251(h) of the Delaware General Corporation Law (the
&#147;DGCL&#148;) was applicable to the Merger, Purchaser had sufficient voting power to approve the Merger without the affirmative vote of any other stockholder of Volterra pursuant to Section&nbsp;251(h) of the DGCL. At the effective time of the
Merger (the &#147;Effective Time&#148;), each Share issued and outstanding immediately prior to the Effective Time, other than (i)&nbsp;Shares then held by Maxim, Purchaser or any other wholly owned subsidiary of Maxim, all of which were canceled
and retired, and (ii)&nbsp;Shares that were held by stockholders of Volterra who properly exercise their appraisal rights under Section&nbsp;262 of the DGCL, was converted automatically into the right to receive an amount of cash equal to the Offer
Price, without interest (less any required withholding taxes). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On October&nbsp;1, 2013, Maxim issued a press release announcing the
expiration and results of the Offer. A copy of the press release is filed as Exhibit 99.1 hereto and is incorporated by reference herein. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As a result of the transactions described in Item&nbsp;2.01 of this Current Report on Form 8-K, which are incorporated herein by reference,
Volterra requested that the Shares be withdrawn from listing on The NASDAQ Global Select Market as of the close of market on October&nbsp;1, 2013. Accordingly, on October&nbsp;1, 2013, the NASDAQ Stock Market, LLC (&#147;NASDAQ&#148;) filed with the
Securities and Exchange Commission (the &#147;SEC&#148;) a Form 25 Notification of Removal from Listing and/or Registration under Section&nbsp;12(b) of the Securities Exchange Act of 1934, as amended (the &#147;Exchange Act&#148;), to delist and
deregister the Shares. Upon the filing of the Form 25, the Shares were delisted from The NASDAQ Global Select Market. Volterra intends to file with the SEC a Form 15 under the Exchange Act relating to the Shares, which will terminate and suspend
Volterra&#146;s reporting obligations under Sections 13 and 15(d) of the Exchange Act, respectively. </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;3.03. Material Modification to Rights of Security Holders. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As a result of the Merger, each Share issued and outstanding immediately prior to the Effective Time, other than (i)&nbsp;Shares then held by
Maxim, Purchaser or any other wholly owned subsidiary of Maxim, all of which were canceled and retired, and (ii)&nbsp;Shares that were held by stockholders of Volterra who properly exercise their appraisal rights under Section&nbsp;262 of the DGCL,
was converted automatically into the right to receive an amount of cash equal to the Offer Price, without interest (less any required withholding taxes). At the Effective Time, the holders of such Shares ceased to have any rights as stockholders of
Volterra (other than their right to receive $23.00 per Share, net in cash, without interest (less any required withholding taxes)). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
information set forth in Item&nbsp;2.01 of this Current Report on Form 8-K is incorporated herein by reference. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;5.01. Changes in Control of
Registrant. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As a result of the completion of the Offer, a change of control of Volterra occurred. Upon the consummation of the Merger,
Volterra became a wholly-owned subsidiary of Maxim. The information set forth in Item&nbsp;2.01 and Item&nbsp;3.02 of this Current Report on Form 8-K is incorporated herein by reference. Approximately $593 million was required to purchase all the
issued and outstanding Shares validly tendered and not withdrawn pursuant to the Offer and acquire all the remaining issued and outstanding Shares pursuant to the Merger. Such payments were funded by Maxim using cash on hand. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain
Officers. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Supplemental Addendum to Management Bonus Plan for 2013 </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">On September&nbsp;30, 2013, the Compensation Committee of the Board of Directors of Volterra approved an addendum to its 2013 Management Bonus
Plan, that was previously filed as Exhibit&nbsp;10.2 to Volterra&#146;s Current Report on Form 8-K filed with the SEC on January&nbsp;25, 2013 (the &#147;Addendum&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">The Addendum is filed as Exhibit 10.1 to this report and is incorporated herein by reference. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>2013 Management Bonus Plan Compensation </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">On October&nbsp;1, 2013, Volterra paid bonuses under Volterra&#146;s 2013 Management Bonus Plan for the individuals set forth below: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1.00pt solid #000000; width:52.85pt; font-size:8pt; font-family:Times New Roman"><B>Name and Title</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2013</B><br><B>Bonus</B></TD>
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<TR BGCOLOR="#cceeff" STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Jeff Staszak</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
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<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">President and Chief Executive Officer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">80,625</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Mike Burns</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
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<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Senior Vice President, Chief Financial Officer</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">30,375</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;&nbsp;</TD></TR>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Change of Control Payments </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">In connection with their departure from Volterra, Mr.&nbsp;Staszak and Mr.&nbsp;Burns are eligible to receive change of control payments in the
amounts of $710,312.50 and $297,687.50, respectively, under the Volterra Semiconductor Corporation Severance Benefit Plan, filed as Exhibit 10.3 to Volterra&#146;s Current Report on Form 8-K filed with the SEC on January 28, 2010, provided that the
conditions for payment are satisfied. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Departure and Appointment of Directors and Officers </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the terms of the Merger Agreement, at the Effective Time the sole director and officers of Purchaser immediately prior to the
Effective Time became the sole director and officers of Volterra following the Merger. In connection with the Merger, at the Effective Time, Jeffrey Staszak, Simon Biddiscombe, Fu-Tai Liou, Chris Paisley, Ralph Quinsey, Jeff Richardson, Edward Ross,
and Stephen Smith resigned as directors of Volterra. Each director resigned pursuant to the Merger Agreement, and no director resigned because of any disagreement with Volterra on any matter relating to Volterra&#146;s operation, policies, or
practices. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Also, as of the Effective Time, Jeffrey Staszak, President and Chief Executive Officer, Craig Teuscher, Senior Vice President
and Chief Operating Officer, Mike Burns, Senior Vice President, Chief Financial Officer and Treasurer, and William Numann, Senior Vice President, Server and Storage Communications Products Groups, ceased being executive officers of Volterra. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Mark Casper, 46, Vice President, Legal at Maxim, assumed the roles of President, Secretary, Treasurer and Director of Volterra. At the time
Mr.&nbsp;Casper assumed the role of director, it had not yet been determined on which committees, if any, of the Board of Directors of Volterra Mr.&nbsp;Casper would serve. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The information required by Item&nbsp;5.02 of Form 8-K regarding Mr.&nbsp;Casper has been previously disclosed in the Tender Offer Statement
on Schedule TO, originally filed by Purchaser and Maxim with the SEC on August&nbsp;30, 2013, which is included as Exhibit 20.1 to this report, and such information is incorporated herein by reference. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;5.03. Amendments to Certificate of Incorporation or Bylaws; Change of Fiscal Year. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the Merger Agreement, at the Effective Time of the Merger, Volterra&#146;s Restated Certificate of Incorporation was amended and
restated (the &#147;Amended Charter&#148;) and Volterra&#146;s Amended and Restated Bylaws, were amended and restated (the &#147;Amended Bylaws&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Amended Charter and the Amended Bylaws are attached hereto as Exhibits 3.1 and 3.2 respectively, and are incorporated herein by reference.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;9.01. Financial Statements and Exhibits </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">(d) Exhibits </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR STYLE="font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:26.20pt; font-size:8pt; font-family:Times New Roman" ALIGN="center">Exhibit<BR>Number</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:37.25pt; font-size:8pt; font-family:Times New Roman" ALIGN="center">Description</P></TD></TR>


<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;3.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Amended and Restated Certificate of Incorporation of Volterra Semiconductor Corporation.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;3.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Amended and Restated Bylaws of Volterra Semiconductor Corporation.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>10.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Addendum to Volterra Semiconductor Corporation Management Bonus Plan dated September 30, 2013.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>20.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Tender Offer Statement on Schedule TO of Victory Merger Sub, Inc., and Maxim Integrated Products, Inc. (incorporated by reference in its entirety as originally filed with the SEC on August 30, 2013).</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>99.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Press Release issued by Maxim Integrated Products, Inc. dated October 1, 2013 (incorporated by reference to Exhibit (a)(5)(K) to Schedule TO/A filed with the SEC on October 1, 2013).</TD></TR>
</TABLE>

<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:8%; font-size:10pt; font-family:Times New Roman">After due 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 STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Dated: October&nbsp;4, 2013 </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>
<TD WIDTH="12%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="87%"></TD></TR>


<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"><B>VOLTERRA SEMICONDUCTOR CORPORATION</B></TD></TR>
<TR>
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="bottom"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Mark Casper</P></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="bottom">Mark Casper</TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom"><FONT STYLE="font-size:8pt">&nbsp;</FONT></TD>
<TD VALIGN="bottom">President, Secretary and Treasurer</TD></TR>
</TABLE></DIV>

<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>EXHIBIT INDEX </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>
<TD></TD>
<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD WIDTH="92%"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:26.20pt; font-size:8pt; font-family:Times New Roman" ALIGN="center">Exhibit<BR>Number</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="border-bottom:1.00pt solid #000000; width:37.25pt; font-size:8pt; font-family:Times New Roman" ALIGN="center">Description</P></TD></TR>


<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;3.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Amended and Restated Certificate of Incorporation of Volterra Semiconductor Corporation.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;3.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Amended and Restated Bylaws of Volterra Semiconductor Corporation.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>10.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Addendum to Volterra Semiconductor Corporation Management Bonus Plan dated September 30, 2013.</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>20.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Tender Offer Statement on Schedule TO of Victory Merger Sub, Inc., and Maxim Integrated Products, Inc. (incorporated by reference in its entirety as originally filed with the SEC on August 30, 2013).</TD></TR>
<TR>
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>99.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Press Release issued by Maxim Integrated Products, Inc. dated October 1, 2013 (incorporated by reference to Exhibit (a)(5)(K) to Schedule TO/A filed with the SEC on October 1, 2013).</TD></TR>
</TABLE>
</BODY></HTML>
[{"type": "8-K", "sequence": "1", "filename": "d607265d8k.htm", "description": "FORM 8-K", "secsgml_size_bytes": 31232}]
{"company-data": {"conformed-name": "VOLTERRA SEMICONDUCTOR CORP", "cik": "0001050550", "assigned-sic": "3674", "irs-number": "943251865", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-50857", "film-number": "131136660"}, "business-address": {"street1": "47467 FREMONT BLVD.", "city": "FREMONT", "state": "CA", "zip": "94538", "phone": "510-743-1200"}, "mail-address": {"street1": "47467 FREMONT BLVD.", "city": "FREMONT", "state": "CA", "zip": "94538"}}
Form 8-K
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
September 30, 2013
Date of Report (Date of earliest event reported)
Volterra
Semiconductor Corporation
(Exact name of registrant as specified in its charter)
Delaware
000-50857
94-3251865
(State or other jurisdiction of
incorporation or organization)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
47467 Fremont Blvd.,
Fremont, California, 94538
(Address of principal executive offices including zip code)
(510) 743-1200
(Registrant's telephone number, including area code)
Not Applicable
(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:
¨
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 2.01. Completion of Acquisition or Disposition of Assets.
As previously disclosed, on August 15, 2013, Volterra Semiconductor Corporation, a Delaware corporation ("Volterra"), entered
into an agreement and plan of merger (the "Merger Agreement") with Maxim Integrated Products, Inc., a Delaware corporation ("Maxim"), and Victory Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Maxim
("Purchaser"). In accordance with the terms of the Merger Agreement, Purchaser commenced a tender offer to purchase all outstanding shares of common stock, par value $0.001 (the "Shares") of Volterra, at a price of $23.00 per
Share, net in cash, without interest (less any required withholding taxes) (the "Offer Price"), upon the terms and subject to the conditions set forth in the Offer to Purchase, dated August 30, 2013 (together with any amendments or
supplements thereto, the "Offer to Purchase") and the related Letter of Transmittal (together with any amendments or supplements thereto, the "Letter of Transmittal" and, together with the Offer to Purchase, the
"Offer").
On October 1, 2013, Maxim announced the completion of the Offer. The Offer, as extended, expired at 9:00 a.m.,
New York City time, on October 1, 2013 (the "Expiration Date"). According to Computershare Inc., the depositary for the Offer (the "Depositary"), as of the Expiration Date, a total of 22,225,845 Shares had been validly
tendered into and not withdrawn from the Offer, representing approximately 86.23% of the 25,774,025 outstanding Shares as of the Expiration Date. Additionally, the Depositary advised Volterra, Maxim and Purchaser that an additional 570,064 Shares
had been tendered by notice of guaranteed delivery as of the Expiration Date. The aggregate number of Shares validly tendered and not properly withdrawn pursuant to the Offer satisfied the Minimum Condition under the Offer. All conditions to the
Offer having been satisfied, Purchaser accepted for payment all Shares validly tendered into the Offer and not properly withdrawn.
On
October 1, 2013, following the expiration of the Offer and the purchase of the Shares by Purchaser of the Shares validly tendered and not properly withdrawn thereunder, Purchaser merged with and into Volterra, with Volterra surviving the merger
and continuing as a wholly-owned subsidiary of Maxim (the "Merger"). As a result of its acceptance of the Shares tendered in the Offer and given that it was determined that Section 251(h) of the Delaware General Corporation Law (the
"DGCL") was applicable to the Merger, Purchaser had sufficient voting power to approve the Merger without the affirmative vote of any other stockholder of Volterra pursuant to Section 251(h) of the DGCL. At the effective time of the
Merger (the "Effective Time"), each Share issued and outstanding immediately prior to the Effective Time, other than (i) Shares then held by Maxim, Purchaser or any other wholly owned subsidiary of Maxim, all of which were canceled
and retired, and (ii) Shares that were held by stockholders of Volterra who properly exercise their appraisal rights under Section 262 of the DGCL, was converted automatically into the right to receive an amount of cash equal to the Offer
Price, without interest (less any required withholding taxes).
On October 1, 2013, Maxim issued a press release announcing the
expiration and results of the Offer. A copy of the press release is filed as Exhibit 99.1 hereto and is incorporated by reference herein.
Item 3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.
As a result of the transactions described in Item 2.01 of this Current Report on Form 8-K, which are incorporated herein by reference,
Volterra requested that the Shares be withdrawn from listing on The NASDAQ Global Select Market as of the close of market on October 1, 2013. Accordingly, on October 1, 2013, the NASDAQ Stock Market, LLC ("NASDAQ") filed with the
Securities and Exchange Commission (the "SEC") a Form 25 Notification of Removal from Listing and/or Registration under Section 12(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), to delist and
deregister the Shares. Upon the filing of the Form 25, the Shares were delisted from The NASDAQ Global Select Market. Volterra intends to file with the SEC a Form 15 under the Exchange Act relating to the Shares, which will terminate and suspend
Volterra's reporting obligations under Sections 13 and 15(d) of the Exchange Act, respectively.
Item 3.03. Material Modification to Rights of Security Holders.
As a result of the Merger, each Share issued and outstanding immediately prior to the Effective Time, other than (i) Shares then held by
Maxim, Purchaser or any other wholly owned subsidiary of Maxim, all of which were canceled and retired, and (ii) Shares that were held by stockholders of Volterra who properly exercise their appraisal rights under Section 262 of the DGCL,
was converted automatically into the right to receive an amount of cash equal to the Offer Price, without interest (less any required withholding taxes). At the Effective Time, the holders of such Shares ceased to have any rights as stockholders of
Volterra (other than their right to receive $23.00 per Share, net in cash, without interest (less any required withholding taxes)).
The
information set forth in Item 2.01 of this Current Report on Form 8-K is incorporated herein by reference.
Item 5.01. Changes in Control of
Registrant.
As a result of the completion of the Offer, a change of control of Volterra occurred. Upon the consummation of the Merger,
Volterra became a wholly-owned subsidiary of Maxim. The information set forth in Item 2.01 and Item 3.02 of this Current Report on Form 8-K is incorporated herein by reference. Approximately $593 million was required to purchase all the
issued and outstanding Shares validly tendered and not withdrawn pursuant to the Offer and acquire all the remaining issued and outstanding Shares pursuant to the Merger. Such payments were funded by Maxim using cash on hand.
Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain
Officers.
Supplemental Addendum to Management Bonus Plan for 2013
On September 30, 2013, the Compensation Committee of the Board of Directors of Volterra approved an addendum to its 2013 Management Bonus
Plan, that was previously filed as Exhibit 10.2 to Volterra's Current Report on Form 8-K filed with the SEC on January 25, 2013 (the "Addendum").
The Addendum is filed as Exhibit 10.1 to this report and is incorporated herein by reference.
2013 Management Bonus Plan Compensation
On October 1, 2013, Volterra paid bonuses under Volterra's 2013 Management Bonus Plan for the individuals set forth below:
Name and Title
2013
Bonus
Jeff Staszak
President and Chief Executive Officer
$
80,625
Mike Burns
Senior Vice President, Chief Financial Officer
$
30,375
Change of Control Payments
In connection with their departure from Volterra, Mr. Staszak and Mr. Burns are eligible to receive change of control payments in the
amounts of $710,312.50 and $297,687.50, respectively, under the Volterra Semiconductor Corporation Severance Benefit Plan, filed as Exhibit 10.3 to Volterra's Current Report on Form 8-K filed with the SEC on January 28, 2010, provided that the
conditions for payment are satisfied.
Departure and Appointment of Directors and Officers
Pursuant to the terms of the Merger Agreement, at the Effective Time the sole director and officers of Purchaser immediately prior to the
Effective Time became the sole director and officers of Volterra following the Merger. In connection with the Merger, at the Effective Time, Jeffrey Staszak, Simon Biddiscombe, Fu-Tai Liou, Chris Paisley, Ralph Quinsey, Jeff Richardson, Edward Ross,
and Stephen Smith resigned as directors of Volterra. Each director resigned pursuant to the Merger Agreement, and no director resigned because of any disagreement with Volterra on any matter relating to Volterra's operation, policies, or
practices.
Also, as of the Effective Time, Jeffrey Staszak, President and Chief Executive Officer, Craig Teuscher, Senior Vice President
and Chief Operating Officer, Mike Burns, Senior Vice President, Chief Financial Officer and Treasurer, and William Numann, Senior Vice President, Server and Storage Communications Products Groups, ceased being executive officers of Volterra.
Mark Casper, 46, Vice President, Legal at Maxim, assumed the roles of President, Secretary, Treasurer and Director of Volterra. At the time
Mr. Casper assumed the role of director, it had not yet been determined on which committees, if any, of the Board of Directors of Volterra Mr. Casper would serve.
The information required by Item 5.02 of Form 8-K regarding Mr. Casper has been previously disclosed in the Tender Offer Statement
on Schedule TO, originally filed by Purchaser and Maxim with the SEC on August 30, 2013, which is included as Exhibit 20.1 to this report, and such information is incorporated herein by reference.
Item 5.03. Amendments to Certificate of Incorporation or Bylaws; Change of Fiscal Year.
Pursuant to the Merger Agreement, at the Effective Time of the Merger, Volterra's Restated Certificate of Incorporation was amended and
restated (the "Amended Charter") and Volterra's Amended and Restated Bylaws, were amended and restated (the "Amended Bylaws").
The Amended Charter and the Amended Bylaws are attached hereto as Exhibits 3.1 and 3.2 respectively, and are incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits
(d) Exhibits
Exhibit
Number
Description
3.1
Amended and Restated Certificate of Incorporation of Volterra Semiconductor Corporation.
3.2
Amended and Restated Bylaws of Volterra Semiconductor Corporation.
10.1
Addendum to Volterra Semiconductor Corporation Management Bonus Plan dated September 30, 2013.
20.1
Tender Offer Statement on Schedule TO of Victory Merger Sub, Inc., and Maxim Integrated Products, Inc. (incorporated by reference in its entirety as originally filed with the SEC on August 30, 2013).
99.1
Press Release issued by Maxim Integrated Products, Inc. dated October 1, 2013 (incorporated by reference to Exhibit (a)(5)(K) to Schedule TO/A filed with the SEC on October 1, 2013).
SIGNATURE
After due 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.
Dated: October 4, 2013
VOLTERRA SEMICONDUCTOR CORPORATION
By:
/s/ Mark Casper
Name:
Mark Casper
Title:
President, Secretary and Treasurer
EXHIBIT INDEX
Exhibit
Number
Description
3.1
Amended and Restated Certificate of Incorporation of Volterra Semiconductor Corporation.
3.2
Amended and Restated Bylaws of Volterra Semiconductor Corporation.
10.1
Addendum to Volterra Semiconductor Corporation Management Bonus Plan dated September 30, 2013.
20.2
Tender Offer Statement on Schedule TO of Victory Merger Sub, Inc., and Maxim Integrated Products, Inc. (incorporated by reference in its entirety as originally filed with the SEC on August 30, 2013).
99.1
Press Release issued by Maxim Integrated Products, Inc. dated October 1, 2013 (incorporated by reference to Exhibit (a)(5)(K) to Schedule TO/A filed with the SEC on October 1, 2013).