IPG PHOTONICS CORP — Director's Dealing 2018

May 15, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2018-05-14

Reporting Person: Valentin Gapontsev Trust I (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-14	Common Stock	S	10000	$253.88	Disposed	7567999	Direct

Footnotes

F1: The reported transaction involves sales transactions from $251.45 to 256.71 per share. The weighted average price per share was $253.88. 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.