Epstein David R 4

What Happened
David R. Epstein, a director of Tempus AI, sold 250 shares of TEM in an open-market/ private sale on June 1, 2026. The shares were sold at $49.40 per share for a total value of $12,350. This was a sale (not a purchase), and sales by insiders are often routine portfolio transactions.

Key Details

• Transaction date and price: 2026-06-01 — 250 shares sold at $49.40 each. Total proceeds $12,350.
• Filing: Form 4 filed with accession 0001445826-26-000008 on 2026-06-03 (reporting a 6/1 trade) — appears to be filed within the normal 2-business-day window.
• Shares owned after transaction: Not specified in the provided filing summary.
• Footnote: Transaction executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Epstein on August 27, 2024 (preplanned sale).

Context
A 10b5-1 plan indicates the sale was prearranged, which is common and typically considered routine rather than a reaction to nonpublic company information. For retail investors, single small-dollar insider sales like this are generally less informative than purchases or larger, concentrated sales.