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 ...

IPG Photonics Corporation (NASDAQ:IPGP) Q1 2020 Earnings Conference Call May 5, 2020 10:00 AM ET Company Participants James Hillier - VP of IR Valentin Gapontsev - Chairman & CEO Eugene Scherbakov - Managing Director & COO Timothy Mammen - SVP & CFO Conference Call Participants John Marchetti - Stifel Nicolaus Jim Ricchiuti - Needham & Company Tom Diffely - D.A. Davidson Michael Feniger - Bank of America Jed Dorsheimer - Canaccord Genuity Mark Miller - The Benchmark Company Krish Sankar - Cowen & Company Op ...

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, 2019 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 2019 Earnings Conference Call February 13, 2020 10:00 AM ET Company Participants James Hillier - Vice President of Investor Relations Valentin Gapontsev - Chairman and Chief Executive Officer Eugene Scherbakov - Managing Director and Chief Operating Officer Timothy Mammen - Senior Vice President and Chief Financial Officer Conference Call Participants John Marchetti - Stifel Nicolaus Tom Diffely - D.A. Davidson Companies James Ricchiuti - Needham & Company Michael ...

© 2019 IPG Photonics Investor Presentation 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, risks associated with the strength or weakness of the business conditions in industries and geographic markets that IPG serves, particularly the effect of downturns in the markets IPG serves; uncertainties and adverse changes in the general economic con ...

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, 2019 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 ...