<SUBMISSION>
<ACCESSION-NUMBER>0001111928-09-000108
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20091111
<ITEMS>8.01
<FILING-DATE>20091119
<DATE-OF-FILING-DATE-CHANGE>20091119
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>IPG PHOTONICS CORP
<CIK>0001111928
<ASSIGNED-SIC>3674
<IRS-NUMBER>043444218
<STATE-OF-INCORPORATION>DE
</COMPANY-DATA>
<FILING-VALUES>
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<ACT>34
<FILE-NUMBER>001-33155
<FILM-NUMBER>091196016
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<BUSINESS-ADDRESS>
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<CITY>OXFORD
<STATE>MA
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<PHONE>5083731100
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<DOCUMENT>
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<DESCRIPTION>IPG PHOTONICS CORPORATION
<TEXT>
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STATES</font></div>
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D.C. 20549</font></div>
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8-K</font></div>
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REPORT</font></div>
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to Section&#160;13 or 15(d) of the Securities Exchange Act of 1934</font></div>
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11, 2009</font></div>
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Old Webster Road</font></div>
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8.01 OTHER EVENTS</font></div>
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directors and officers of IPG Photonics Corporation (the &#8220;Company&#8221;) adopt from
time to time pre-arranged trading plans (each, a &#8220;Plan&#8221;) designed to comply with
Rule&#160;10b5-1 under the Securities Exchange Act of 1934, as amended, and the
Company&#8217;s policies regarding stock transactions. Under Rule&#160;10b5-1,
directors, officers and other persons who are not in possession of material
non-public information may adopt a plan or contract for pre-arranged sales of
Company securities under specified conditions and at specified times. Using
these Plans, insiders can gradually diversify their investment portfolios,
spread stock trades out over an extended period of time to reduce market impact
and avoid concerns about transactions occurring at a time when they might
possess inside information.</font></div>
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adopted by Alex Ovtchinnikov, the Company&#8217;s Vice President, Components, provides
for the sale of up to a total of 61,688 shares over a period ending December
2010, unless terminated sooner in certain circumstances. Of these shares, 61,688
shares will be acquired through the exercise of stock options. Shares will be
sold under the Plan on the open market at prevailing market prices, subject to
minimum price thresholds.</font></div>
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or officers of the Company in the future, or to report any modification or
termination of any Plan, except to the extent required by law.</font></div>
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to the requirements of the Securities Exchange Act of 1934, as amended, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.</font></div>
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      Angelo P. Lopresti</font></div>
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