---
schema_version: "secwatch.filing_event.v1"
accession: "0001326732-24-000012"
form_type: "8-K"
ticker: "XNCR"
cik: "0001326732"
company_name: "Xencor Inc"
filed_at: "2024-04-09T23:59:59+00:00"
generated_at: "2026-06-04T00:47:27.009269+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Xencor appoints Bart Cornelissen as CFO; John Kuch retires

## Summary
- John Kuch retired as CFO effective March 31, 2024; stepped down April 9, 2024; remains in non-executive role.
- Bart Cornelissen appointed SVP and CFO April 9, 2024; previously VP corporate finance at Seagen (facilitated $43B Pfizer acquisition).
- Compensation: $465K base, 45% bonus target, option grant of 190,194 shares ($2.25M), RSU grant ~$1M.
- Severance includes 12 months base salary plus COBRA; full equity vesting upon change-in-control after one year.

## SEC filing metadata
- accession: 0001326732-24-000012
- form_type: 8-K
- ticker: XNCR
- cik: 0001326732
- company_name: Xencor Inc
- filed_at: 2024-04-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1326732/000132673224000012/0001326732-24-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1326732/000132673224000012/xncr-20240409.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001326732-24-000012
- JSON: https://secwatch.observer/filing/0001326732-24-000012.json
- Plain text: https://secwatch.observer/filing/0001326732-24-000012.txt

## Key facts
- Executive change
  John Kuch retired as Senior Vice President and Chief Financial Officer at Xencor Inc.
  - Action: retired
  - Role: Senior Vice President and Chief Financial Officer
  source text: Effective on April 9, 2024, Mr. Kuch will step down from his role as Chief Financial Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1326732/000132673224000012/0001326732-24-000012-index.htm
- Executive change
  Bart Cornelissen was appointed as Senior Vice President and Chief Financial Officer at Xencor Inc.
  - Action: appointed
  - Role: Senior Vice President and Chief Financial Officer
  source text: on April 9, 2024 (the “Start Date”), Mr. Bart Cornelissen, age 46, was appointed as Senior Vice President and Chief Financial Officer of the Company for an indefinite term.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1326732/000132673224000012/0001326732-24-000012-index.htm

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