Tempus AI Founder & CEO Eric Lefkofsky Files Form 144 to Sell $16.79M in Stock

Executive Summary

On October 27, 2026, Eric Lefkofsky, Founder, Officer, Director, and 10% Stockholder of Tempus AI, Inc. ($TEM), filed a Form 144 notice of proposed sale covering 250,000 shares of Class A Common Stock. The aggregate market value of the proposed transaction is $16,790,000, implying an estimated share price of approximately $67.16.

Transaction Details

• Filer: Eric Lefkofsky
• Issuer: Tempus AI, Inc. (CIK: 0001717115)
• Security: Class A Common Stock
• Proposed Sale Amount: 250,000 shares
• Aggregate Market Value: $16,790,000
• Broker: J.P. Morgan Securities LLC
• Trading Venue: NASDAQ
• Approximate Sale Date: October 27, 2026
• Plan Adoption Date: March 8, 2026 (Rule 10b5-1 trading plan)

Context and Breakdown

According to the filing remarks, the 250,000 shares are being sold through entities of which Mr. Lefkofsky serves as authorized signatory:

• Blue Media, LLC: 135,000 shares
• Gray Media, LLC: 57,500 shares
• Vas.org Foundation: 50,000 shares
• Lefkofsky Family Foundation: 7,500 shares

This filing follows regular recurring dispositions over the preceding three months executed under the same Rule 10b5-1 trading plan adopted on March 8, 2026. The 250,000 shares represent roughly 0.14% of the company's 175,390,967 outstanding shares.