Tempus AI CEO of Diagnostics Sells $873K in Class A Stock Under Rule 10b5-1 Plan

Executive Summary

On September 25, 2026, Thomas Edward Schoenherr, CEO of Diagnostics at Tempus AI, Inc. ($TEM), executed an open-market sale of 10,281 shares of Class A Common Stock at an average price of $85.00 per share, yielding total gross proceeds of approximately $873,885.

Transaction Details

• Security: Class A Common Stock
• Transaction Code: S (Open-market or private sale)
• Shares Sold: 10,281
• Price Per Share: $85.00
• Total Transaction Value: $873,885.00
• Post-Transaction Holdings: 76,740 shares directly owned
• Rule 10b5-1 Status: The sale was conducted pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 3, 2026.

Market Impact & Sentiment

The trading significance is assessed as Low. The transaction was executed under a pre-established Rule 10b5-1 trading plan, reducing implications of opportunistic insider behavior. Following the transaction, Schoenherr continues to hold a substantial direct stake of 76,740 shares, representing over 88% of his pre-sale position.