IPG PHOTONICS CORP — Director's Dealing 2017

May 12, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2017-05-12

Reporting Person: HURLEY WILLIAM S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-12	Common Stock	M	5000	$75.15	Acquired	14820	Direct
2017-05-12	Common Stock	D	5000	$138.21	Disposed	9820	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-12	Director Stock Option (right to buy)	$75.15	M	5000	Disposed	2021-05-30	Common Stock (5000.0)	Direct

Footnotes

F1: The reported transaction involves sales transactions from $138.03 to $138.25 per share. The weighted average price per share was $138.21. 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.

F2: Option vested in one installment on May 31, 2012.