---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-328811"
form_type: "8-K"
ticker: "WMG"
cik: "0001319161"
company_name: "Warner Music Group Corp."
filed_at: "2026-07-31T21:00:20+00:00"
generated_at: "2026-07-31T21:02:27.755016+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Warner Music Group CFO/COO Armin Zerza steps down; Lou Dickler named Acting CFO, Tom Corson promoted to COO

## Summary
- Armin Zerza stepped down as CFO and COO for personal reasons, effective July 31, 2026; will remain available through fiscal year.
- Louis Dickler, SVP Global Controller and CAO, appointed Acting CFO; previously served in this role in 2021-2022.
- Tom Corson, Co-Chairman and COO of Warner Records, promoted to COO of Warner Music Group, reporting to CEO Robert Kyncl.
- Company has initiated a formal search for a new CFO.
- Corson will oversee global marketing, merch, D2C, supply chain, while continuing at Warner Records for a transition period.

## SEC filing metadata
- accession: 0001193125-26-328811
- form_type: 8-K
- ticker: WMG
- cik: 0001319161
- company_name: Warner Music Group Corp.
- filed_at: 2026-07-31T21:00:20+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1319161/000119312526328811/0001193125-26-328811-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1319161/000119312526328811/d127683d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-328811
- JSON: https://secwatch.observer/filing/0001193125-26-328811.json
- Plain text: https://secwatch.observer/filing/0001193125-26-328811.txt

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