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: 2018-05-11

Reporting Person: HURLEY WILLIAM S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-11	Common Stock	M	3000	$63.40	Acquired	14005	Direct
2018-05-11	Common Stock	M	2255	$98.96	Acquired	16260	Direct
2018-05-11	Common Stock	S	5255	$251.42	Disposed	11005	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-11	Director Stock Option (right to buy)	$63.4	M	3000	Disposed	2024-06-02	Common Stock (3000.0)	Direct
2018-05-11	Director Stock Options (Right to buy)	$96.68	M	2255	Disposed	2025-06-01	Common Stock (2255.0)	Direct

Footnotes

F1: The reported transaction involves sales transactions from $251.00 to $251.94 per share. The weighted average price per share was $251.42. 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 vests in one installment commencing on June 3, 2015.

F3: Option vests in one installment commencing on June 1, 2016.