TEM ▼ -1.1% - Tempus AI, Inc. $TEM Tempus AI's Eric Lefkofsky Plans to Sell 250,000 Shares Worth $19.51M Tempus AI shares fell 1.1% after founder Eric Lefkofsky announced plans to sell 250,000 shares valued at approximately $19.51 million, a move that typically signals insider selling pressure on the stock. 22-SEP-2026 05:02 PM ET