Form 4: MediaAlpha CEO Sells Shares Under 10b5-1 Plan

MediaAlpha's CEO, Steven Yi, sold 24,000 shares of Class A Common Stock over three days in December 2025, pursuant to a pre-arranged Rule 10b5-1 trading plan to cover tax obligations from RSU vesting.

Summary

• Steven Yi, the Chief Executive Officer, President, and Co-Founder of MediaAlpha, Inc., executed sales of Class A Common Stock totaling 24,000 shares.
• The sales occurred on December 8, 9, and 10, 2025, with 8,000 shares sold on each respective date.
• These transactions were conducted under a pre-established Rule 10b5-1 trading plan.
• The stated purpose of these sales was to cover tax liabilities associated with the vesting of Restricted Stock Units (RSUs).
• The weighted-average sale prices for the shares ranged from $13.0732 to $13.4998 per share across the three transaction dates.
• Following these sales, Steven Yi beneficially owns 2,903,330 shares of MediaAlpha's Class A Common Stock.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly negative. While insider selling can be a negative signal, the fact that it's pre-planned under a Rule 10b5-1 plan specifically for tax purposes related to RSU vesting mitigates much of the negative interpretation. The CEO still retains a substantial holding, indicating continued alignment with shareholder interests.

Positives

• The sales were executed under a Rule 10b5-1 trading plan, indicating they were pre-scheduled and not based on new, non-public information, which helps mitigate concerns about insider trading.
• The stated reason for the sales is to cover tax obligations resulting from RSU vesting, a common and often necessary practice for executives receiving equity compensation.
• Steven Yi retains a significant beneficial ownership of 2,903,330 shares, demonstrating continued alignment with shareholder interests despite the sales.

Negatives

• An insider sale, even when pre-planned for tax purposes, can sometimes be perceived negatively by the market as it reduces the executive's direct equity stake in the company.
• The consistent sale of 8,000 shares over three consecutive days represents a steady reduction in the executive's direct holdings for the stated purpose.

Risks

• While the sales are for tax purposes and pre-planned, a consistent pattern of insider selling, even under a 10b5-1 plan, could potentially be misinterpreted by some investors as a lack of confidence, which might exert minor downward pressure on the stock price.

Future Outlook

NA

Management Comments

• The sales reported were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person to cover taxes resulting from the vesting of RSUs.
• The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Industry Context

This Form 4 filing details an individual executive's stock transaction and does not directly provide insights into broader industry trends or the competitive landscape for MediaAlpha. Such filings are standard for public company executives managing their equity compensation and tax obligations.

Stakeholder Impact

• Shareholders: May view the sale with slight caution, though the pre-planned nature under a 10b5-1 plan and the tax-related reason reduce concerns about management confidence. The CEO still holds a significant stake, maintaining alignment.
• Employees: No direct impact from this specific filing.
• Customers/Suppliers/Creditors: No direct impact from this specific filing.

Key Dates

Recommendation

The filing details a routine insider sale by the CEO under a Rule 10b5-1 plan to cover tax obligations from RSU vesting. This is a common and expected event for executives and does not signal a change in the company's fundamentals or management's long-term outlook. The CEO retains a substantial equity stake. Therefore, based solely on this Form 4, a 'hold' recommendation is appropriate as it provides no new fundamental information to warrant a change in investment thesis.

Keywords

MediaAlpha, MAX, Steven Yi, Insider Sale, Form 4, Rule 10b5-1, Stock Sale, CEO, Restricted Stock Units, RSU, Tax Obligations, Equity Transaction