Delaware
(State or Other
Jurisdiction
of
Incorporation)
|
001-33155
(Commission File
No.)
|
04-3444218
(IRS
Employer
Identification
No.)
|
o
|
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
|
|
o
|
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
|
|
o
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17
CFR 240.14d-2(b))
|
|
o
|
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17
CFR 240.13e-4(c))
|
IPG
PHOTONICS CORPORATION
|
||||
May
13, 2010
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By:
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/s/
Angelo P. Lopresti
|
||
Angelo
P. Lopresti
|
||||
Vice
President, General Counsel and
|
||||
Secretary
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