Form 4: Magnite CFO Sells Shares for Tax Obligations

Magnite's Chief Financial Officer, David Day, sold 13,366 shares of common stock at $23.85 per share to cover tax obligations from vested Restricted Stock Units.

Summary

• David Day, Chief Financial Officer of Magnite, Inc. (MGNI), reported a sale of common stock.
• The transaction involved 13,366 shares of common stock sold at a price of $23.85 per share.
• The sale was executed on August 18, 2025.
• Following the transaction, David Day beneficially owns 382,106 shares of Magnite common stock.
• The sale was a non-discretionary transaction, mandated by Magnite to satisfy tax withholding obligations resulting from the settlement of vested Restricted Stock Units.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary sale for tax purposes, indicating neither positive nor negative sentiment regarding the company's prospects.

Future Outlook

No forward-looking statements or guidance are provided in this Form 4 filing.

Management Comments

• Shares were sold to cover the Reporting Person's tax obligation resulting from the settlement of vested Restricted Stock Units.
• The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by sell to cover transactions and does not represent a discretionary transaction by the Reporting Person.

Industry Context

This Form 4 filing details a routine insider transaction related to executive compensation and does not provide broader industry context or trends.

Stakeholder Impact

• Shareholders may note the sale, but the non-discretionary nature for tax purposes mitigates any negative interpretation regarding management's confidence.

Key Dates

Recommendation

The reported transaction is a non-discretionary sale of shares by Magnite's CFO to cover tax obligations from vested Restricted Stock Units. This is a common and expected event for executive compensation and does not reflect a change in the insider's confidence in the company's future. Therefore, it does not warrant a change in investment recommendation based solely on this filing.

Keywords

Magnite, MGNI, David Day, CFO, stock sale, insider transaction, Form 4, Restricted Stock Units, RSU, tax obligation