---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-22-000173"
form_type: "8-K"
ticker: "NSIT"
cik: "0000932696"
company_name: "INSIGHT ENTERPRISES INC"
filed_at: "2022-01-04T23:59:59+00:00"
generated_at: "2026-06-27T21:13:12.854108+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Insight Enterprises (NSIT): Ken Lamneck retires as CEO; Joyce Mullen succeeds Jan 1, 2022

## Summary
- Ken Lamneck retired as President, CEO, and Board member effective Dec 31, 2021; will continue as advisor.
- Joyce Mullen elected President, CEO, and Board member effective Jan 1, 2022.
- No disagreements with Lamneck; succession follows prior 8-K disclosures (May and Oct 2021).

## SEC filing metadata
- accession: 0001628280-22-000173
- form_type: 8-K
- ticker: NSIT
- cik: 0000932696
- company_name: INSIGHT ENTERPRISES INC
- filed_at: 2022-01-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/932696/000162828022000173/0001628280-22-000173-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/932696/000162828022000173/nsit-20211231.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-22-000173
- JSON: https://secwatch.observer/filing/0001628280-22-000173.json
- Plain text: https://secwatch.observer/filing/0001628280-22-000173.txt

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