---
schema_version: "secwatch.filing_event.v1"
accession: "0000917520-21-000051"
form_type: "8-K"
ticker: "IART"
cik: "0000917520"
company_name: "INTEGRA LIFESCIENCES HOLDINGS CORP"
filed_at: "2021-12-01T23:59:59+00:00"
generated_at: "2026-06-28T04:43:11.221933+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Jan De Witte starts as Integra CEO and board member; Arduini departs Dec 1, 2021

## Summary
- Jan D. De Witte commenced employment as President and CEO and was appointed to the Board, term expiring at 2022 annual meeting.
- Peter J. Arduini's resignation as President, CEO, and director became effective December 1, 2021.
- Appointment was previously announced on October 28, 2021; this filing formalizes the effective date.

## SEC filing metadata
- accession: 0000917520-21-000051
- form_type: 8-K
- ticker: IART
- cik: 0000917520
- company_name: INTEGRA LIFESCIENCES HOLDINGS CORP
- filed_at: 2021-12-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/917520/000091752021000051/0000917520-21-000051-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/917520/000091752021000051/iart-20211201.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000917520-21-000051
- JSON: https://secwatch.observer/filing/0000917520-21-000051.json
- Plain text: https://secwatch.observer/filing/0000917520-21-000051.txt

## Key facts
- Executive change
  Jan D. De Witte was appointed as President and Chief Executive Officer at INTEGRA LIFESCIENCES HOLDINGS CORP.
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: the appointment of Jan D. De Witte to serve as its President and Chief Executive Officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/917520/000091752021000051/0000917520-21-000051-index.htm
- Executive change
  Jan D. De Witte was appointed as Director at INTEGRA LIFESCIENCES HOLDINGS CORP.
  - Action: appointed
  - Role: Director
  source text: the Board of Directors of the Company (the “Board”) also appointed Mr. De Witte as a director of the Board effective in connection with the commencement of his employment.
  evidence_url: https://www.sec.gov/Archives/edgar/data/917520/000091752021000051/0000917520-21-000051-index.htm
- Executive change
  Peter J. Arduini resigned as President and Chief Executive Officer at INTEGRA LIFESCIENCES HOLDINGS CORP.
  - Action: resigned
  - Role: President and Chief Executive Officer
  source text: Peter J. Arduini’s previously-announced resignation from his position as President and Chief Executive Officer and a director of the Company became effective as of December 1, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/917520/000091752021000051/0000917520-21-000051-index.htm

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