Form 4: Tempus AI CEO Eric Lefkofsky Sells Shares

CEO and Chairman Eric Lefkofsky sold 166,250 shares of Tempus AI Class A Common Stock via a Rule 10b5-1 trading plan.

Summary

• CEO and Chairman Eric Lefkofsky executed the sale of 166,250 shares of Tempus AI Class A Common Stock on April 28, 2026.
• The sales were conducted through entities controlled by the CEO, specifically Gray Media, LLC and Blue Media, LLC.
• The transactions were executed at weighted average prices of $51.03 and $51.52 per share.
• All sales were performed pursuant to a Rule 10b5-1 trading plan adopted on March 4, 2025.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event; while insider selling can be perceived negatively, the use of a pre-established 10b5-1 plan indicates these are routine financial management actions rather than reactive trades.

Positives

• The transactions were pre-planned under a Rule 10b5-1 trading plan, which is a standard mechanism for insiders to sell stock without triggering concerns regarding non-public information.

Negatives

• The sale represents a reduction in the CEO's indirect beneficial ownership of the company.

Risks

• Continued selling by major insiders or 10% owners could exert downward pressure on the stock price.
• Market perception of insider selling can sometimes be interpreted as a lack of confidence in near-term growth, despite the pre-planned nature of the trades.

Future Outlook

The filing does not provide forward-looking business guidance, as it is a mandatory disclosure of insider equity transactions.

Management Comments

• The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the filing.

Industry Context

StockSavvy.ai notes that insider selling by founders and CEOs of high-growth AI and healthcare technology firms is common after lock-up periods expire or as part of long-term wealth diversification strategies.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for executives to manage equity holdings while maintaining compliance with SEC regulations.
• The scale of the sale relative to the CEO's total holdings (which remain in the millions of shares) is consistent with typical executive diversification patterns.

Related Party Transactions

• The reporting person controls multiple entities including Gray Media, LLC, Blue Media, LLC, 346 Long LLC, Black Media, LLC, Lefkofsky Family Foundation, and Vas.org Foundation.

Stakeholder Impact

• Shareholders should note the reduction in the CEO's indirect stake, though the remaining holdings remain substantial.

Next Steps

• Continued monitoring of future Form 4 filings to track further activity under the existing 10b5-1 plan.

Key Dates

Keywords

Tempus AI, TEM, Insider Trading, Eric Lefkofsky, Form 4, SEC Filing