---
schema_version: "secwatch.filing_event.v1"
accession: "0001326732-25-000037"
form_type: "8-K/A"
ticker: "XNCR"
cik: "0001326732"
company_name: "Xencor Inc"
filed_at: "2025-03-13T23:59:59+00:00"
generated_at: "2026-05-24T20:32:04.499575+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Xencor dismisses auditor RSM, appoints KPMG after material weaknesses and restatement

## Summary
- Dismissed RSM on Feb 27, 2025; engaged KPMG effective March 3, 2025.
- Material weaknesses in internal controls over royalty sale accounting and tax legislation led to restatement of 2023 annual and Q1-Q3 2024 interim financials.
- RSM recalled its 2023 audit reports on internal controls and financial statements.
- Additional material weakness in impairment analysis of Zenas equity investment existed Q1-Q2 2024, remediated by Q3 2024.
- Company has implemented remediation plans for the material weaknesses.

## SEC filing metadata
- accession: 0001326732-25-000037
- form_type: 8-K/A
- ticker: XNCR
- cik: 0001326732
- company_name: Xencor Inc
- filed_at: 2025-03-13T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1326732/000132673225000037/0001326732-25-000037-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1326732/000132673225000037/xncr-20250227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001326732-25-000037
- JSON: https://secwatch.observer/filing/0001326732-25-000037.json
- Plain text: https://secwatch.observer/filing/0001326732-25-000037.txt

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