Eric P. Lefkofsky, CEO, Chairman, and a 10% owner of Tempus AI, Inc. (NASDAQ:TEM), filed a Form 4 on October 29, 2026, disclosing the sale of Class A Common Stock across four indirectly held entities on October 27, 2026, pursuant to a Rule 10b5-1 trading plan.

Key Highlights

  • Trading plan in effect: All sales were made under a Rule 10b5-1 plan adopted by Lefkofsky on March 8, 2026.
  • Four selling entities: Shares were disposed of indirectly through Gray Media, LLC; Blue Media, LLC; Lefkofsky Family Foundation; and Vas.org Foundation.
  • Price range across all transactions: Weighted average sale prices reported at $67.36, $68, $69.28, $70.58, $71.56, and $72.31, with individual transactions ranging from $66.69 to $72.84.
  • Largest single-entity sale: Blue Media, LLC disposed of a combined 134,000 shares across six price tranches on October 27, 2026.
  • Post-transaction holdings: Following the reported sales, Gray Media, LLC held 8,487,783 shares; Blue Media, LLC held 14,715,469 shares; Lefkofsky Family Foundation held 794,631 shares; and Vas.org Foundation held 50,000 shares, all indirectly.
  • Additional indirect holdings: The filing also reports holdings in Lefkofsky Family 2025 GRAT (5,715,203 shares), Lefkofsky Family 2026 GRAT (4,284,797 shares), 346 Long LLC (406 shares), and Black Media, LLC (206 shares), with no transactions reported for those entities.
  • Direct holdings: Lefkofsky directly held 2,098,130 shares of Class A Common Stock following the reported transactions.

Lefkofsky's October 27 Sales Across Four Indirectly Held Entities

According to the filing, Eric P. Lefkofsky, serving as CEO and Chairman of Tempus AI, Inc. and identified as a director and 10% owner, disposed of Class A Common Stock on October 27, 2026 through four entities over which he exercises indirect control. The filing states that all transactions were made pursuant to a Rule 10b5-1 trading plan adopted on March 8, 2026, and each sale carries transaction code "S."

Shares were sold at six weighted average price points: $67.36, $68, $69.28, $70.58, $71.56, and $72.31. The filing notes that each of these prices represents a weighted average, with the full per-transaction range spanning from $66.69 to $72.84 across all tranches. The filing states that Lefkofsky "undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range." The combined shares sold across all four entities and all price tranches totaled 218,375 shares, based on the individual line items reported in the filing.

The filing discloses that Lefkofsky is "the sole manager of each of Black Media, LLC, Blue Media, LLC and Gray Media, LLC," and "a trustee of each of Lefkofsky Family Foundation and Vas.org Foundation." His spouse is identified as the trustee of both the Lefkofsky Family 2025 GRAT and the Lefkofsky Family 2026 GRAT. No transactions were reported for those GRAT entities, 346 Long LLC, or Black Media, LLC in this filing. The form was signed by Andrew Polovin as Attorney-in-Fact on October 29, 2026.

What Was Disclosed

Lefkofsky filed a Form 4 reporting the sale of Tempus AI Class A Common Stock on October 27, 2026, through Gray Media, LLC; Blue Media, LLC; Lefkofsky Family Foundation; and Vas.org Foundation, all executed under a pre-established Rule 10b5-1 plan adopted March 8, 2026.