IPG PHOTONICS CORP — Director's Dealing 2020

May 8, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2020-05-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-07	Common Stock	M	1225	$71.77	Acquired	22475	Direct
2020-05-07	Common Stock	S	431	$145.31	Disposed	22044	Direct
2020-05-07	Common Stock	S	686	$146.63	Disposed	21358	Direct
2020-05-07	Common Stock	S	793	$147.51	Disposed	20565	Direct
2020-05-07	Common Stock	S	158	$148.35	Disposed	20407	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-07	Employee Stock Options (right to buy)	$71.77	M	1225	Disposed	2024-02-27	Common Stock (1225.0)	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 February 27, 2020.

F2: The reported transaction involves sale transactions ranging from $145.00 to $145.93 per share. The weighted average price per share was $145.31. The Reporting Person undertakes to provide upon request bythe SEC staff, the Issuer, or a security holder of the Issuer, information regarding the number of shares sold at each separate price.

F3: The reported transaction involves sale transactions ranging from $146.02 to $147.02 per share. The weighted average price per share was $146.63. The Reporting Person undertakes to provide upon request bythe SEC staff, the Issuer, or a security holder of the Issuer, information regarding the number of shares sold at each separate price.

F4: The reported transaction involves sale transactions ranging from $147.03 to $148.01 per share. The weighted average price per share was $147.51. The Reporting Person undertakes to provide upon request bythe SEC staff, the Issuer, or a security holder of the Issuer, information regarding the number of shares sold at each separate price.

F5: The reported transaction involves sale transactions ranging from $148.07 to $148.81 per share. The weighted average price per share was $148.35. The Reporting Person undertakes to provide upon request bythe SEC staff, the Issuer, or a security holder of the Issuer, information regarding the number of shares sold at each separate price.

F6: Grant of stock options vesting in one installment on March 1, 2018.