---
schema_version: "secwatch.filing_event.v1"
accession: "0001111928-23-000006"
form_type: "8-K"
ticker: "IPGP"
cik: "0001111928"
company_name: "IPG PHOTONICS CORP"
filed_at: "2023-01-23T23:59:59+00:00"
generated_at: "2026-06-20T11:30:36.482676+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

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

## Summary
- 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.

## SEC filing metadata
- accession: 0001111928-23-000006
- form_type: 8-K
- ticker: IPGP
- cik: 0001111928
- company_name: IPG PHOTONICS CORP
- filed_at: 2023-01-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 5.03, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111928/000111192823000006/0001111928-23-000006-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111928/000111192823000006/ipgp-20230120.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001111928-23-000006
- JSON: https://secwatch.observer/filing/0001111928-23-000006.json
- Plain text: https://secwatch.observer/filing/0001111928-23-000006.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.