Tempus AI TEM Insider Ownership

Updated Nov 5, 2026

Over the past 12 months, Tempus AI insiders sold $208.25 million of stock on the open market (3.39Mn shares) and made no open-market purchases.

• By number of insiders, Tempus AI saw 11 insiders sell on the open market over the past 12 months and none buy.
• Eric P. Lefkofsky (CEO and Chairman) led open-market sales of Tempus AI stock over the past 12 months with $178.81 million (2.88Mn shares), most recently on October 27, 2026.
• The latest open-market trade on record is a sale of 370 shares for $27,487 by David R. Epstein (Director) on November 2, 2026.
• Beyond open-market trades, insiders at Tempus AI received 620.89K shares in stock awards and gave away 481.51K shares as gifts in the last 12 months.
• According to Business Quant data, insiders at Tempus AI reported 79.09Mn shares in total in their latest Form 4 filings, or 43.36% of the 182.4Mn shares outstanding; that total is down 1.89% from 80.61Mn shares at the end of Q2 2026 and down 3.94% from 82.33Mn shares at the end of Q3 2025.
• Tempus AI insiders hold 20.07Mn shares directly (25.37% of their total) and 59.02Mn shares (74.63%) indirectly, through entities such as trusts and partnerships.
• The insider holdings in Tempus AI belong to 17 insiders who have reported on Form 4 within the past two years.
• Tempus AI's three biggest insider holders are Eric P. Lefkofsky (CEO and Chairman, 31.19Mn shares), Red Sky Ventures LLC (10% owner, 31.17Mn shares) and Bradley A. Keywell (10% owner, 15.22Mn shares), based on their latest Form 4 filings.
• Eric P. Lefkofsky alone accounts for 39.44% of the shares held by Tempus AI insiders.
• A total of 91 Form 4 filings with transactions in Tempus AI stock were made over the past 12 months, by 15 insiders.
• The insider holdings and trades above for Tempus AI reflect Form 4 filings through November 4, 2026.