Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number 001-33155 IPG PHOTONICS CORPORATION (Exact name of registrant as specified in its charter) Delaware 04-3444218 ( ...

IPG Photonics Corporation (NASDAQ:IPGP) Q1 2021 Earnings Conference Call May 4, 2021 10:00 AM ET Company Participants Eugene Fedotoff – Director-Investor Relations Valentin Gapontsev – Executive Chairman Eugene Scherbakov – Chief Executive Officer Tim Mammen – Senior Vice President and Chief Financial Officer Conference Call Participants John Marchetti – Stifel Jim Ricchiuti – Needham & Company Nik Todorov – Longbow Research Mark Miller – The Benchmark Company Tom Diffely – D.A. Davidson Michael Feniger – B ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-33155 IPG PHOTONICS CORPORATION (Exact name of registrant as specified in its charter) | Delaware | 04-3444218 | ...

IPG Photonics Corporation (NASDAQ:IPGP) Q4 2020 Earnings Conference Call February 16, 2021 10:00 AM ET Company Participants Eugene Fedotoff - Director, Investor Relations Valentin Gapontsev - Chief Executive Officer and Chairman Eugene Scherbakov - Chief Operating Officer, Managing Director- IPG Laser GmbH, Senior Vice President, Europe and Director Timothy Mammen - Chief Financial Officer and Senior Vice President Conference Call Participants John Marchetti - Stifel Tom Diffely - D.A. Davidson Nikolay Todo ...

| --- | --- | --- | --- | --- | |--------------------------|-------|-------|-------|-------| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | INVESTOR | | | | | | PRESENTATION | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | © 201921 IPG Photonics | | | | | Safe Harbor Statement Statements in this presentation that relate to future plans, market forecasts, events or performance are forward-looking statements. These statements involve risks and uncertainties, including, ri ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number 001-33155 IPG PHOTONICS CORPORATION (Exact name of registrant as specified in its charter) Delaware 04-3444218 (State o ...

IPG Photonics Corporation (NASDAQ:IPGP) Q3 2020 Earnings Conference Call October 30, 2020 10:00 AM ET Company Participants Angelo Lopresti - Senior Vice President and General Counsel Valentin Gapontsev - Chief Executive Officer and Chairman of the Board Eugene Scherbakov - Chief Operating Officer, Managing Director, Senior Vice President, Europe and Director Tim Mammen - Chief Financial Officer and Senior Vice President Conference Call Participants Jim Ricchiuti - Needham and Company John Marchetti - Stifel ...

IPG Photonics Corporation (NASDAQ:IPGP) Q2 2020 Earnings Conference Call August 4, 2020 10:00 AM ET Company Participants James Hillier - VP of IR Valentin Gapontsev - Chairman & CEO Eugene Scherbakov - COO Tim Mammen - SVP & CFO Conference Call Participants Jim Ricchiuti - Needham & Company Tom Diffely - D.A. Davidson Joe Wittine - Edgewater Research Michael Feniger - Bank of America Nikolay Todorov - Longbow Research Mark Miller - The Benchmark Company Operator Good morning and welcome to IPG Photonics Sec ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number 001-33155 IPG PHOTONICS CORPORATION (Exact name of registrant as specified in its charter) Delaware 04-3444218 (State or oth ...

FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Commission File Number 001-33155 IPG PHOTONICS CORPORATION (Exact name of registrant as specified in its charter) Delaware 04-3444218 (State or ot ...