Form 4: Magnite CFO Sells Shares for Tax Obligations

Magnite's Chief Financial Officer, David Day, disposed of 13,197 shares of common stock at $14.15 per share to cover tax withholding obligations related to restricted stock unit vesting.

Summary

• David Day, Magnite's Chief Financial Officer, reported a transaction involving Magnite, Inc. common stock.
• On November 15, 2025, 13,197 shares were disposed of at a price of $14.15 per share.
• This disposal was a non-discretionary forfeiture to cover tax withholding obligations associated with the vesting of restricted stock units.
• Following this transaction, David Day beneficially owns 368,909 shares of Magnite common stock.
• The transaction was made pursuant to a Rule 10b5-1(c) plan.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary disposal of shares to cover tax withholding obligations upon RSU vesting, which is a neutral event for company sentiment.

Positives

• The transaction represents a standard, non-discretionary event for tax withholding purposes, rather than a discretionary sale by the insider.

Negatives

• No inherent negatives are identified as this is a routine tax-related transaction.

Risks

• No new risks are identified in this routine insider transaction filing.

Future Outlook

NA

Industry Context

This is a routine insider transaction filing and does not provide specific industry context or trends.

Stakeholder Impact

• Minimal impact on shareholders as this is a routine, non-discretionary transaction for tax purposes, not a discretionary sale indicating a change in management's view of the company.

Key Dates

Recommendation

The transaction reported is a non-discretionary sale of shares by the CFO to cover tax withholding obligations associated with the vesting of restricted stock units. This is a common and expected event for executive compensation and does not reflect a discretionary decision by management regarding the company's future prospects. Therefore, it does not provide new information that would alter an existing investment thesis, warranting a 'hold' recommendation.

Keywords

Magnite, MGNI, Form 4, insider transaction, CFO, stock sale, tax withholding, restricted stock units, RSU