---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-198401"
form_type: "8-K"
ticker: "SPHR"
cik: "0001795250"
company_name: "Sphere Entertainment Co."
filed_at: "2025-09-08T23:59:59+00:00"
generated_at: "2026-05-17T07:39:28.443379+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Sphere Entertainment subsidiary CEO Andrea Greenberg departs after agreement expires

## Summary
- Andrea Greenberg left as President & CEO of MSG Networks on Sept 2, 2025, following employment contract expiration.
- Company agreed to accelerate vesting of her RSUs/PSUs scheduled for Sept 15, 2025.
- Greenberg will receive payment equal to her 2025 target bonus in lieu of fiscal-year incentive.
- Sphere waived the non-compete covenant in Greenberg's employment agreement.

## SEC filing metadata
- accession: 0001193125-25-198401
- form_type: 8-K
- ticker: SPHR
- cik: 0001795250
- company_name: Sphere Entertainment Co.
- filed_at: 2025-09-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1795250/000119312525198401/0001193125-25-198401-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1795250/000119312525198401/d94194d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-198401
- JSON: https://secwatch.observer/filing/0001193125-25-198401.json
- Plain text: https://secwatch.observer/filing/0001193125-25-198401.txt

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