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

Tempus AI CEO and Chairman Eric P. Lefkofsky sold 332,500 shares of Class A Common Stock through pre-arranged trading plans.

Summary

• Eric P. Lefkofsky, the CEO and Chairman of Tempus AI, Inc., reported the sale of 332,500 shares of Class A Common Stock.
• The transactions occurred on August 27, 2025, and were executed under a Rule 10b5-1 trading plan adopted on March 4, 2025.
• Shares were sold indirectly through Gray Media, LLC (66,500 shares) and Blue Media, LLC (266,000 shares).
• The weighted average sale prices for these transactions ranged from $72.89 to $75.47 per share.
• Actual transaction prices within these weighted averages ranged from $72.21 to $75.83 per share.
• Following these sales, Mr. Lefkofsky's indirect beneficial ownership through Gray Media, LLC is 9,207,533 shares and through Blue Media, LLC is 17,869,469 shares.
• Additional beneficial holdings include 2,037,500 direct shares, 406 shares indirectly through 346 Long LLC, 10,000,000 shares through Lefkofsky Family 2025 GRAT, 206 shares through Black Media, LLC, and 332,131 shares through Lefkofsky Family Foundation.

Sentiment

Score: 5

Explanation: The filing reports a pre-scheduled insider stock sale under a Rule 10b5-1 plan, which is a routine disclosure and does not inherently convey a strong positive or negative sentiment regarding the company's future prospects.

Negatives

• CEO and Chairman Eric P. Lefkofsky sold a significant number of shares (332,500 shares) of Class A Common Stock, which can sometimes be perceived as a negative signal by investors, despite being pre-planned.

Related Party Transactions

• Indirect beneficial ownership is held through Gray Media, LLC, Blue Media, LLC, 346 Long LLC, Lefkofsky Family 2025 GRAT, Black Media, LLC, and Lefkofsky Family Foundation, all of which are entities controlled by or related to Eric P. Lefkofsky or his spouse.

Stakeholder Impact

• Shareholders may interpret the sale of shares by a key executive, even if pre-planned, as a signal, potentially influencing market sentiment.

Key Dates

Recommendation

The reported sales by the CEO were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a planned liquidity event rather than a reaction to new material information. While insider sales can sometimes be viewed negatively, the pre-scheduled nature mitigates immediate concerns about management's confidence. Investors should consider this a routine disclosure and maintain their current position, awaiting further fundamental updates.

Keywords

Tempus AI, TEM, Insider Trading, Form 4, Stock Sale, Eric P. Lefkofsky, 10b5-1 Plan, CEO, Chairman