---
schema_version: "secwatch.filing_event.v1"
accession: "0001111928-21-000159"
form_type: "8-K"
ticker: "IPGP"
cik: "0001111928"
company_name: "IPG PHOTONICS CORP"
filed_at: "2021-10-18T23:59:59+00:00"
generated_at: "2026-06-28T20:12:36.859405+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# IPG Photonics Executive Chair Dr. Valentin Gapontsev takes medical leave

## Summary
- Effective October 18, 2021, Dr. Valentin P. Gapontsev is on medical leave of absence from his role as Executive Chair.
- No successor or interim chair was named; board oversight continues.
- The company did not disclose the expected duration or further details of the leave.

## SEC filing metadata
- accession: 0001111928-21-000159
- form_type: 8-K
- ticker: IPGP
- cik: 0001111928
- company_name: IPG PHOTONICS CORP
- filed_at: 2021-10-18T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111928/000111192821000159/0001111928-21-000159-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111928/000111192821000159/ipgp202108k10182021.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001111928-21-000159
- JSON: https://secwatch.observer/filing/0001111928-21-000159.json
- Plain text: https://secwatch.observer/filing/0001111928-21-000159.txt

## Key facts
- Executive change
  Valentin P. Gapontsev departed as Executive Chair at IPG PHOTONICS CORP.
  - Action: medical leave of absence
  - Role: Executive Chair
  source text: On October 18, 2021, IPG Photonics Corporation (the “Company”) announced that Dr. Valentin P. Gapontsev is taking a medical leave of absence from his role as Executive Chair of the Company, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1111928/000111192821000159/0001111928-21-000159-index.htm

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