IPG PHOTONICS CORP — Director's Dealing 2020

May 14, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2020-05-12

Reporting Person: Mammen Timothy PV (SVP, Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-12	Common Stock	M	14200	$71.77	Acquired	58169	Direct
2020-05-12	Common Stock	S	3410	$152.03	Disposed	54759	Direct
2020-05-12	Common Stock	S	2306	$152.88	Disposed	52453	Direct
2020-05-12	Common Stock	S	3457	$154.05	Disposed	48996	Direct
2020-05-12	Common Stock	S	4827	$154.92	Disposed	44169	Direct
2020-05-12	Common Stock	S	200	$155.77	Disposed	43969	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-12	Employee Stock Options (right to buy)	$71.77	M	14200	Disposed	2024-02-27	Common Stock (14200.0)	Direct

Footnotes

F1: The reported transaction involves sale transactions ranging from $151.41 to $152.34 per share. The weighted average price per share was $152.03. 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 $152.43 to $153.42 per share. The weighted average price per share was $152.88. 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 $153.51 to $154.50 per share. The weighted average price per share was $154.05. 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 $154.52 to $155.50 per share. The weighted average price per share was $154.92. 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 $155.76 to $155.77 per share. The weighted average price per share was $155.77. 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: Grant of stock options vesting in one installment on March 1, 2018.