Company: IPGP
Filing Date: 2025-02-20
Form Type: S-3ASR
Source: 0001111928-25-000025
Chunk: 2

Company: IPG PHOTONICS CORP
Filing Date: 2025-02-20
Form: S-3ASR
Chunk 2
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 dispose of the shares of our common stock from time to time through public or private transactions. The shares of our common stock offered by the Selling Stockholders may be sold at market prices prevailing at the time of sale, at prices related to such market prices, at a fixed price or prices subject to change, or at negotiated prices at, above or below prevailing market prices. The Selling Stockholders will bear all commissions and discounts, if any, attributable to the sales of shares and will bear all other costs, expenses and fees in connection with the registration of the shares. See the section titled “Plan of Distribution” for more information about how the Selling Stockholders may sell or dispose of their shares of common stock.

Our common stock is listed on The Nasdaq Global Select Market under the symbol “IPGP.” On February 14, 2025, the last reported sale price of shares of our common stock on The Nasdaq Global Select Market was $63.53 per share.

| Investing in our common stock involves a high degree of risk.  Before making an investment decision, please read the information under the heading “Risk Factors” beginning on page 3 of this prospectus and in the documents incorporated by reference into this prospectus. |

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.

### TABLE OF CONTENTS
| ABOUT THIS PROSPECTUS                                     |     |  1 |
| ABOUT THE COMPANY                                         |     |  2 |
| RISK FACTORS                                              |     |  3 |
| CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS |     |  4 |
| USE OF PROCEEDS                                           |     |  5 |
| SELLING STOCKHOLDERS                                      |     |  6 |
| PLAN OF DISTRIBUTION                                      |     |  7 |
| LEGAL MATTERS                                             |     |  9 |
| EXPERTS                                                   |     |  9 |
| WHERE YOU CAN FIND MORE INFORMATION                       |     |  9 |
| INCORPORATION OF CERTAIN INFORMATION BY REFERENCE         |     | 10 |

### ABOUT THIS PROSPECTUS
This prospectus is part of a registration statement that we filed with the Securities and Exchange Commission, or SEC, utilizing a shelf registration process relating to the securities described in this prospectus, which registration statement became automatically effective upon