| Filed On | Filing |
|---|---|
| 05 May 2026 | DEFA14A |
| 01 Apr 2026 | DEFA14A |
| 02 May 2025 | DEFA14A |
| 07 Apr 2025 | DEFA14A |
| 09 May 2024 | DEFA14A |
| 13 Apr 2023 | DEFA14A |
| 06 Apr 2022 | DEFA14A |
| 04 May 2021 | DEFA14A |
| 09 Apr 2021 | DEFA14A |
| 08 Apr 2020 | DEFA14A |
| 08 Apr 2019 | DEFINITIVE ADDITIONAL MATERIALS |
| 24 May 2017 | DEFA14A AMENDMENT TO 2017 PROXY STATEMENT |
| 05 Apr 2017 | DEFA14A FOR 2017 PROXY DEFINITIVE ADDITIONAL MATERIALS |
| 05 Apr 2016 | DEFA14A |
| 07 Apr 2015 | DEFA14A |
| 05 Jun 2007 | IPG PHOTONICS CORPORATION |
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