IPG PHOTONICS CORP — Director's Dealing 2019

May 7, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2019-05-02

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-02	Common Stock	M	3667	$71.77	Acquired	25657	Direct
2019-05-02	Common Stock	S	3667	$170.23	Disposed	21990	Direct
2019-05-02	Common Stock	S	1358	$170.21	Disposed	20632	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-05-02	Employee Stock Options (right to buy)	$71.77	M	3667	Disposed	2024-02-27	Common Stock (3667.0)	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2019.

F2: The reported transaction involves purchase transactions from $168.35 to $172.59 per share. The weighted average price per share was $170.23. 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 purchased at each separate price.

F3: The reported transaction involves purchase transactions from $168.32 to $172.67 per share. The weighted average price per share was $170.21. 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 purchased at each separate price

F4: Grant of restricted stock units and stock options vesting in one installment on March 1, 2018.