---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-291690"
form_type: "8-K"
ticker: "SPHR"
cik: "0001795250"
company_name: "Sphere Entertainment Co."
filed_at: "2023-12-08T23:59:59+00:00"
generated_at: "2026-06-07T15:41:26.052021+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Sphere Entertainment appoints David Byrnes as CFO; base $1M, target bonus 100%

## Summary
- David Byrnes, 53, appointed EVP, CFO and Treasurer effective December 8, 2023.
- Previously served as EVP & CFO of MSGE (Feb 2023) and prior CFO of Sphere Entertainment (Jan 2022-Apr 2023).
- Base salary of $1M; annual target bonus not less than 100% of base; mid-year LTI grant of $100K.
- For fiscal 2024+, expected annual LTI target of $1.8M; severance of at least 2x base + target bonus.
- Employment agreement expires December 8, 2026; includes one-year non-compete after termination.

## SEC filing metadata
- accession: 0001193125-23-291690
- form_type: 8-K
- ticker: SPHR
- cik: 0001795250
- company_name: Sphere Entertainment Co.
- filed_at: 2023-12-08T23:59:59+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/1795250/000119312523291690/0001193125-23-291690-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1795250/000119312523291690/d636178d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-291690
- JSON: https://secwatch.observer/filing/0001193125-23-291690.json
- Plain text: https://secwatch.observer/filing/0001193125-23-291690.txt

## Key facts
- Executive change
  David F. Byrnes was appointed as Executive Vice President, Chief Financial Officer and Treasurer at Sphere Entertainment Co..
  - Action: appointed
  - Role: Executive Vice President, Chief Financial Officer and Treasurer
  source text: On December 8, 2023, the Board of Directors of Sphere Entertainment Co. (the “Company”) appointed David F. Byrnes, 53, as Executive Vice President, Chief Financial Officer and Treasurer effective as of December 8, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1795250/000119312523291690/0001193125-23-291690-index.htm

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