Company: IPGP
Filing Date: 2025-05-21
Form Type: S-8 POS
Source: 0001111928-25-000085
Chunk: 2

Company: IPG PHOTONICS CORP
Filing Date: 2025-05-21
Form: S-8 POS
Chunk 2
---
5 Plan”) on March 28, 2025, and the 2025 Plan was subsequently approved by the Registrant's shareholders on May 20, 2025. Pursuant to the terms of the 2025 Plan, any shares of Common Stock underlying an outstanding award under the 2006 Plan as of March 10, 2025 that expires without being exercised, or is forfeited, cancelled or otherwise terminated without a distribution to a participant of Common Stock, cash, or other benefit in lieu of Common Stock and any shares of Common Stock that are withheld by, or otherwise remitted to, the Registrant to satisfy a participant’s tax withholding obligations with respect to awards other than stock options or SARs granted under the 2006 Plan, will be issuable under the 2025 Plan.

In accordance with C&DI 126.43 and pursuant to the undertaking in Item 512(a)(1)(iii) of Regulation S-K, we are filing this Post-Effective Amendment to provide that the Registration Statements shall also cover up to 1,941,807 shares of Common Stock subject to outstanding awards under the 2006 Plan as of March 10, 2025, that expire without being exercised, or is forfeited, cancelled or otherwise terminated without a distribution to a participant of Common Stock, cash, or other benefit in lieu of Common Stock and any shares of Common Stock that are withheld by, or otherwise remitted to, the Registrant to satisfy a participant’s tax withholding obligations with respect to awards other than stock options or SARs. All of the shares that are subject to this Post-Effective Amendment relating to the 2006 Plan are currently the subject of awards issued under the 2006 Plan and such shares will only become available for grant under the 2025 Plan to the extent the outstanding 2006 Plan awards expire without being exercised, or are forfeited, cancelled or otherwise terminated without a distribution to a participant of Common Stock, cash, or other benefit in lieu of Common Stock and any shares of Common Stock that are withheld by, or otherwise remitted to, the Registrant to satisfy a participant’s tax withholding obligations with respect to awards other than stock options or SARs. No additional securities are being registered by this Post-Effective Amendment.

# PART I
<div align='center'>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</div>

The documents containing the information required by Part I of this Registration Statement on Form S-8 (this “Registration