LEFKOFSKY ERIC P 4

What Happened

Eric P. Lefkofsky, a reported 10% owner of Tempus AI (TEM), sold a total of 166,250 shares in open-market/private transactions on March 26, 2026 for aggregate proceeds of approximately $7,711,151. The individual transactions reported were:

• 16,388 shs @ $45.78 = $750,243
• 14,915 shs @ $46.91 = $699,663
• 1,947 shs @ $47.42 = $92,327
• 65,559 shs @ $45.78 = $3,001,291
• 59,657 shs @ $46.91 = $2,798,510
• 7,784 shs @ $47.42 = $369,117

These were disposals (S = sale), so this is a sale activity (not a purchase).

Key Details

• Transaction date: March 26, 2026; Form 4 filed March 27, 2026 (filed timely).
• Total shares sold: 166,250; total proceeds: ~$7.71 million.
• Prices reported include weighted averages; footnotes disclose that some lots were sold across price ranges of $45.36–$46.35, $46.36–$47.35 and $47.36–$47.69. The filer will provide a per-price breakdown on request (per footnote).
• The sales were executed pursuant to a Rule 10b5‑1 trading plan adopted by Lefkofsky on March 4, 2025 (footnote).
• Ownership after the transactions is not specified in the excerpt provided.
• Reporting person disclosures note control/relationships with several LLCs and trusts (per footnote).

Context

• Rule 10b5‑1 plans allow insiders to sell shares according to pre-set plans and are commonly used to avoid questions about trading on material nonpublic information; the filing explicitly states these sales were made under such a plan.
• As a 10% owner, Lefkofsky is a significant shareholder; such sales reduce his stake but do not, by themselves, indicate company outlook.
• This Form 4 reports outright sales (S). No option exercises, gifts, awards, or purchases are indicated in this filing.