IPG PHOTONICS CORP — Director's Dealing 2020

May 12, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2020-05-08

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-08	Common Stock	S	14700	$151.78	Disposed	7513299	Direct
2020-05-08	Common Stock	S	300	$152.34	Disposed	7512999	Direct
2020-05-11	Common Stock	S	1300	$151.37	Disposed	7511699	Direct
2020-05-11	Common Stock	S	3900	$152.60	Disposed	7507799	Direct
2020-05-11	Common Stock	S	4404	$153.72	Disposed	7503395	Direct
2020-05-11	Common Stock	S	5396	$154.32	Disposed	7497999	Direct
2020-05-12	Common Stock	S	1969	$151.96	Disposed	7496030	Direct
2020-05-12	Common Stock	S	1300	$152.73	Disposed	7494730	Direct
2020-05-12	Common Stock	S	2223	$154.08	Disposed	7492507	Direct
2020-05-12	Common Stock	S	2400	$154.87	Disposed	7490107	Direct
2020-05-12	Common Stock	S	208	$155.65	Disposed	7489899	Direct

Footnotes

F1: The reported transaction involves sale transactions ranging from $151.29 to $152.29 per share. The weighted average price per share was $151.78. 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: The reported transaction involves sale transactions ranging from $152.33 to $152.35 per share. The weighted average price per share was $152.34. 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.

F3: The reported transaction involves sale transactions ranging from $150.91 to $151.90 per share. The weighted average price per share was $151.37. 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.

F4: The reported transaction involves sale transactions ranging from $152.00 to $153.00 per share. The weighted average price per share was $152.60. 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.

F5: The reported transaction involves sale transactions ranging from $153.05 to $154.05 per share. The weighted average price per share was $153.72. 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.

F6: The reported transaction involves sale transactions ranging from $154.07 to $155.03 per share. The weighted average price per share was $154.32. 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.

F7: The reported transaction involves sale transactions ranging from $151.39 to $152.35 per share. The weighted average price per share was $151.96. 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.

F8: The reported transaction involves sale transactions ranging from $152.42 to $153.22 per share. The weighted average price per share was $152.73. 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.

F9: The reported transaction involves sale transactions ranging from $153.49 to $154.49 per share. The weighted average price per share was $154.08. 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.

F10: The reported transaction involves sale transactions ranging from $154.50 to $155.46 per share. The weighted average price per share was $154.87. 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.

F11: The reported transaction involves sale transactions ranging from $155.55 to $155.76 per share. The weighted average price per share was $155.65. 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.