Form 4: SPHR Executive Reports RSU Vesting & Tax Withholding

Sphere Entertainment Co. SVP, Controller & PAO Gregory Brunner reported the vesting of restricted stock units and subsequent share disposition for tax obligations.

Summary

• Gregory Brunner, SVP, Controller & PAO of Sphere Entertainment Co. (SPHR), reported transactions related to his beneficial ownership.
• On September 15, 2025, Brunner acquired 1,479 shares of Class A Common Stock through the vesting of restricted stock units (RSUs) granted on September 1, 2023.
• On the same date, he acquired an additional 624 shares of Class A Common Stock from the vesting of RSUs granted on August 27, 2024.
• Concurrently, 757 shares of Class A Common Stock were disposed of at a price of $60.29 per share to satisfy tax withholding obligations related to these RSU vestings.
• Following these transactions, Brunner beneficially owns 2,292 shares of Class A Common Stock directly.
• He also holds derivative securities in the form of RSUs: 1,480 RSUs from the September 1, 2023 grant (scheduled to vest on September 15, 2026) and 1,248 RSUs from the August 27, 2024 grant (scheduled to vest on September 15, 2026, and September 15, 2027).

Sentiment

Score: 5

Explanation: The filing reports routine, pre-scheduled executive compensation transactions (RSU vesting and tax withholding). These are neutral events that do not indicate positive or negative operational performance or strategic shifts for the company.

Positives

• The vesting of Restricted Stock Units (RSUs) indicates continued compensation and retention of a key executive.
• The executive's continued beneficial ownership of Class A Common Stock and unvested RSUs aligns management's interests with shareholder value.

Negatives

• A portion of vested shares was sold to cover tax obligations, which is a routine event and not necessarily a negative, but it does represent a reduction in direct share ownership.

Future Outlook

The filing outlines future vesting schedules for Gregory Brunner's remaining Restricted Stock Units, with portions scheduled to vest on September 15, 2026, and September 15, 2027, indicating continued long-term incentive compensation.

Industry Context

This filing is a routine disclosure of executive compensation-related stock transactions, common across publicly traded companies. It does not provide broader industry insights or competitive analysis.

Related Party Transactions

• The reported RSU grants and vesting are part of Gregory Brunner's executive compensation package, representing a transaction between an executive and the company.

Stakeholder Impact

• Shareholders: The vesting and subsequent tax-related sale of shares by a key executive is a routine event and has minimal direct impact on existing shareholders. It reflects the ongoing equity compensation structure.
• Employees: The RSU vesting demonstrates the company's commitment to its equity compensation plan, which can positively influence employee morale and retention, particularly for those with similar incentive structures.

Next Steps

• Remaining one-third of RSUs from the September 1, 2023 grant are scheduled to vest and settle on September 15, 2026.
• Remaining two-thirds of RSUs from the August 27, 2024 grant are scheduled to vest and settle on September 15, 2026, and September 15, 2027, respectively.

Key Dates

Keywords

Sphere Entertainment Co., SPHR, Gregory Brunner, Form 4, Insider Trading, Restricted Stock Units, RSU vesting, Executive Compensation, Stock Ownership, Tax Withholding