IPG PHOTONICS CORP — Director's Dealing 2017

Feb 1, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2017-01-30

Reporting Person: Ness Trevor (SVP, Worldwide Sales & Mrkting)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-01-30	Common Stock	M	2500	$53.76	Acquired	13451	Direct
2017-01-30	Common Stock	D	2500	$112.34	Disposed	10951	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-01-30	Employee Stock Options (right to buy)	$53.76	M	2500	Disposed	2021-02-28	Common Stock (2500.0)	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 28, 2016.

F2: The reported transaction involves sales transactions from $110.00 to $113.63 per share. The weighted average price per share was $112.34. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer information regarding the number of shares sold at each separate price.

F3: Options vest 25% on March 1, 2012 and the remainder in twelve equal quarterly installments commencing June 1, 2012.