---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-363638"
form_type: "8-K"
ticker: "SPHR"
cik: "0001795250"
company_name: "Sphere Entertainment Co."
filed_at: "2021-12-21T23:59:59+00:00"
generated_at: "2026-06-27T23:23:49.902764+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Madison Square Garden Entertainment appoints Byrnes as CFO, inks new Lustgarten employment pact

## Summary
- David Byrnes appointed EVP & CFO effective Jan 24, 2022, succeeding Mark FitzPatrick. Base salary $800k, target bonus 100%, special cash award up to $1.331M, LTI target min $1.2M.
- Andrew Lustgarten enters new employment agreement with MSGE through Dec 31, 2024. Base $800k, target bonus 200% of base, LTI target min $1.6M.
- Byrnes joins from ViacomCBS (EVP Corporate Finance); previously at CBS and ADP.
- Lustgarten's agreement recognizes his dual CEO/President role at MSGS; severance no less than 2x base plus target bonus.

## SEC filing metadata
- accession: 0001193125-21-363638
- form_type: 8-K
- ticker: SPHR
- cik: 0001795250
- company_name: Sphere Entertainment Co.
- filed_at: 2021-12-21T23:59:59+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/1795250/000119312521363638/0001193125-21-363638-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1795250/000119312521363638/d274478d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-363638
- JSON: https://secwatch.observer/filing/0001193125-21-363638.json
- Plain text: https://secwatch.observer/filing/0001193125-21-363638.txt

## Key facts
- Executive change
  Mark FitzPatrick departed as Executive Vice President and Chief Financial Officer at Sphere Entertainment Co..
  - Role: Executive Vice President and Chief Financial Officer
  source text: who will replace Mark FitzPatrick, the Company’s current Executive Vice President and Chief Financial Officer
  evidence_url: https://www.sec.gov/Archives/edgar/data/1795250/000119312521363638/0001193125-21-363638-index.htm
- Executive change
  David Byrnes was appointed as Executive Vice President and Chief Financial Officer at Sphere Entertainment Co..
  - Action: appointed
  - Role: Executive Vice President and Chief Financial Officer
  source text: appointed David Byrnes, 51, as Executive Vice President and Chief Financial Officer of the Company effective January 24, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1795250/000119312521363638/0001193125-21-363638-index.htm

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