Form 4: Magnite CFO Vests PSUs, Sells Shares for Tax

Magnite's Chief Financial Officer, David Day, vested 72,675 performance stock units and subsequently sold 35,169 shares to cover tax obligations.

Summary

• David Day, Chief Financial Officer of Magnite, Inc. (MGNI), reported transactions involving the company's common stock.
• On January 9, 2026, Mr. Day acquired 72,675 shares of common stock through the vesting of performance stock units (PSUs) under the company's Amended and Restated 2014 Equity Incentive Plan.
• The vesting of these PSUs was determined based on Magnite's total stockholder return (TSR) for the three-year period beginning January 1, 2023, relative to the TSRs of companies in the Russell 2000 index.
• The Compensation Committee of Magnite's Board of Directors determined a 126.35% achievement, resulting in the vesting of 72,675 shares.
• Concurrently, Mr. Day disposed of 35,169 shares of common stock at a price of $16.17 per share to satisfy tax withholding obligations associated with the PSU vesting.
• Following these transactions, Mr. Day's direct beneficial ownership of common stock decreased from 573,245 shares to 538,076 shares.

Sentiment

Score: 6

Explanation: The sentiment is slightly positive due to the successful vesting of performance-based equity at an achievement rate above target, indicating strong company performance relative to its benchmark. The subsequent share sale is a routine tax-related event and does not reflect negative sentiment.

Positives

• The vesting of performance stock units at 126.35% achievement indicates strong performance by Magnite relative to the Russell 2000 index over the three-year measurement period.

Negatives

• A portion of the vested shares (35,169) was sold to cover tax liabilities, resulting in a reduction of the CFO's direct beneficial ownership.

Future Outlook

This filing does not contain forward-looking statements or guidance regarding the company's future performance or outlook.

Industry Context

This is a routine insider transaction filing, common across all industries, reflecting the compensation structure for executives. The performance-based vesting of PSUs is a standard practice to align executive incentives with shareholder returns, and the comparison to the Russell 2000 index is a common benchmark for small to mid-cap companies.

Comparison to Industry Standards

• The use of Performance Stock Units (PSUs) tied to Total Stockholder Return (TSR) relative to an industry index (Russell 2000) is a widely adopted compensation practice for executive officers in publicly traded companies, aligning executive incentives with shareholder value creation.
• The non-discretionary sale of shares to cover tax withholding obligations upon vesting is a standard and expected procedure for equity compensation, consistent with practices observed at comparable companies.

Stakeholder Impact

• Shareholders: The vesting of PSUs at 126.35% achievement suggests that the company's performance has been strong relative to its peers, which is generally positive for shareholders. The sale of shares for tax purposes is a routine event and does not typically signal a change in management's confidence.

Key Dates

Recommendation

This Form 4 filing details a routine insider transaction involving the vesting of performance stock units and a subsequent sale of shares to cover tax obligations. Such transactions are typically pre-scheduled and do not reflect a discretionary decision by management to sell shares based on a change in outlook. Therefore, this filing alone does not provide new fundamental information that would warrant a change in investment recommendation, maintaining a 'hold' stance.

Keywords

Magnite, MGNI, Form 4, Insider Transaction, David Day, CFO, Performance Stock Units, PSUs, Equity Compensation, Stock Vesting, Tax Withholding