IPG Photonics appoints Greg Beecher to board; Thomas Seifert to resign after 10-K filing

IPG PHOTONICS CORP

Gregory R. Beecher appointed to IPG Board effective Jan 20, 2023; former Teradyne CFO/CAO.
Thomas J. Seifert will resign as director immediately after 2022 Form 10-K filing; not due to disagreements.
Three Gapontsev trusts adopted 10b5-1 plans for sale of up to 222,500 shares through Dec 2023.
Bylaws corrected for typographical errors in prior filing; no substantive change.

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