Form 4: Magnite CFO David Day Sells Shares Under Pre-Arranged Trading Plan

Magnite's Chief Financial Officer, David Day, sold 21,682 shares of common stock at $22 per share on June 30, 2025, under a pre-existing Rule 10b5-1 trading plan.

Summary

• David Day, Chief Financial Officer of Magnite, Inc. (MGNI), reported a sale of common stock.
• On June 30, 2025, Mr. Day disposed of 21,682 shares of Magnite common stock.
• The shares were sold at a price of $22 per share.
• Following this transaction, Mr. Day directly owns 421,846 shares of Magnite common stock.
• The transaction was executed under a Rule 10b5-1 trading plan, which was adopted on March 13, 2025.

Sentiment

Score: 5

Explanation: The sale of shares by a CFO is generally viewed as neutral to slightly negative, but the execution under a pre-arranged Rule 10b5-1 plan significantly mitigates concerns, indicating a planned liquidity event rather than a reaction to adverse company news.

Positives

• The transaction was conducted pursuant to a Rule 10b5-1 trading plan, indicating a pre-scheduled sale rather than a discretionary sale based on new, non-public information.

Negatives

• The Chief Financial Officer sold 21,682 shares of common stock, reducing his direct beneficial ownership.

Risks

• Insider selling, even under a 10b5-1 plan, can sometimes be perceived negatively by investors, potentially leading to a decrease in investor confidence or share price volatility.

Future Outlook

No forward-looking statements or guidance are provided.

Industry Context

This filing is specific to an insider transaction at Magnite and does not provide broader industry trends or context.

Stakeholder Impact

• Shareholders may interpret the sale as a signal, though the presence of a 10b5-1 plan suggests it is a pre-planned liquidity event rather than a reflection of new negative company information.

Key Dates

Recommendation

Keywords

Magnite, MGNI, David Day, CFO, insider trading, Form 4, SEC filing, stock sale, 10b5-1 plan, beneficial ownership