---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-270489"
form_type: "8-K"
ticker: "SPHR"
cik: "0001795250"
company_name: "Sphere Entertainment Co."
filed_at: "2023-11-03T23:59:59+00:00"
generated_at: "2026-06-08T22:40:26.676925+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# CFO Gautam Ranji resigns; Greg Brunner named interim principal financial officer

## Summary
- CFO Gautam Ranji resigned effective Nov 3, 2023, not due to any disagreement on accounting or internal controls.
- Ranji will receive a pro-rata portion of FY2024 cash incentive and continued vesting of RSUs/PSUs, subject to separation agreement.
- Greg Brunner, SVP Controller and PAO, assumes interim principal financial officer duties effective Nov 3, 2023.

## SEC filing metadata
- accession: 0001193125-23-270489
- form_type: 8-K
- ticker: SPHR
- cik: 0001795250
- company_name: Sphere Entertainment Co.
- filed_at: 2023-11-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1795250/000119312523270489/0001193125-23-270489-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1795250/000119312523270489/d853772d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-270489
- JSON: https://secwatch.observer/filing/0001193125-23-270489.json
- Plain text: https://secwatch.observer/filing/0001193125-23-270489.txt

## Key facts
- Executive change
  Greg Brunner was appointed as principal financial officer at Sphere Entertainment Co..
  - Action: assumed
  - Role: principal financial officer
  source text: In connection with Mr. Ranji’s resignation, Greg Brunner, the Company’s Senior Vice President, Controller and Principal Accounting Officer, assumed the responsibilities of principal financial officer on an interim basis, effective as of November 3, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1795250/000119312523270489/0001193125-23-270489-index.htm
- Executive change
  Gautam Ranji resigned as Executive Vice President, Chief Financial Officer and Treasurer at Sphere Entertainment Co..
  - Action: resigned
  - Role: Executive Vice President, Chief Financial Officer and Treasurer
  source text: On October 30, 2023, Gautam Ranji, Executive Vice President, Chief Financial Officer and Treasurer of Sphere Entertainment Co. (the “Company”), resigned effective as of November 3, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1795250/000119312523270489/0001193125-23-270489-index.htm

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