Tempus AI SEC Filings

Tempus AI insider sales by Eric P. Lefkofsky completed under a Rule 10b5-1 plan. On 08/27/2025 Lefkofsky (CEO and Chairman) reported multiple open-market dispositions of Class A common stock executed pursuant to a March 4, 2025 10b5-1 trading plan. Reported sales occurred at weighted-average prices in four price ranges: $72.21–$73.20, $73.21–$74.20, $74.21–$75.20 and $75.21–$75.83, with specific weighted-average prices listed as $72.89, $73.81, $74.59 and $75.47.

Transactions on that date include a series of sales totaling several hundred thousand shares across entities he controls, with reported beneficial ownership balances after the sales listed for multiple entities (for example, 9,207,533, 17,869,469, and 18,110,360 shares for certain entities) and additional holdings such as 10,000,000 shares held in the Lefkofsky Family 2025 GRAT. The Form 4 is signed by an attorney-in-fact and includes explanations of grouping and pricing detail.

Theodore Leonsis, a director of Tempus AI, Inc. (TEM), reported the sale of Class A common stock on 08/26/2025. The Form 4 shows 20,000 shares were sold at a weighted average price of $75.83, with individual trade prices reported in a range from $75.72 to $76.00. After the reported transactions, the filing lists 66,756 shares beneficially owned indirectly through the Theodore J. Leonsis Revocable Trust and 15,511 shares beneficially owned directly. The Form 4 was signed by an attorney-in-fact on 08/28/2025 and includes a footnote offering to provide a breakdown of shares sold at each price within the stated range.

Tempus AI, Inc. discloses that 125,404 shares of Class A common stock were issued under a Settlement and Release Agreement among MSK, Paige.AI and Tempus relating to intellectual property licensing and mutual claims releases. The prospectus supplement includes tables listing multiple selling stockholders with pre- and post-offering beneficial ownership figures, including several entries showing holdings in the low thousands to millions and asterisks for percentages deemed de minimis. The company describes three product lines: Genomics (sequencing and de-identified data commercialized as Insights and Trials), Data and Services, and AI Applications (diagnostics and clinical decision support). Based on market value as of June 30, 2025, Tempus expects to become a large accelerated filer and cease qualifying as an emerging growth company as of December 31, 2025.

Tempus AI, Inc. (TEM) filed a Form 144 notice showing an intended sale of 332,500 Class A common shares via J.P. Morgan Securities on 08/27/2025 listed on Nasdaq with an aggregate market value of $25,236,750. The filing discloses acquisition lots: 41,401; 103,897; 109,943; 10,759 shares all received as stock compensation in February 2025, and a 66,500-share direct cash purchase from September 14, 2017. The filing also lists multiple Class A sales in the prior three months by Eric Lefkofsky, Blue Media, LLC and Gray Media, LLC with gross proceeds shown per sale.

Form 144 summary: The filing notifies a proposed sale of 20,000 shares of common stock of the issuer, with an aggregate market value of $1,516,650, expected to be sold on 08/26/2025 through Citigroup Global Markets Inc. The securities were acquired on 01/30/2025 as a venture capital distribution from Revolution Growth III, comprising 130,756 shares received and paid on that date. The issuer has 168,683,769 shares outstanding per the form. The filing also reports a prior sale in the past three months: Theodore Leonsis sold 44,000 shares on 08/13/2025 for $3,075,786.12. The signer certifies they are unaware of undisclosed material adverse information.

Andrew Polovin, EVP and General Counsel of Tempus AI, Inc. (TEM), reported sales of Class A common stock on 08/19/2025 to satisfy tax withholding on vested restricted stock units. The filing shows a sell-to-cover of 5,266 shares at a weighted-average price of $74.63 (individual trade prices ranged from $74.36 to $75.2673) and a separate sale of 132 shares at $75.61. After these mandated sales, the reporting person beneficially owned 132,056 shares. The Form 4 states the sales were required by the issuer's equity plan and were not discretionary trades by the reporting person.

Erik Phelps, EVP & Chief Administrative and Legal Officer of Tempus AI, Inc. (TEM), reported two non‑derivative sales on 08/19/2025. The filings show a sell-to-cover disposition of 3,575 shares at a weighted average price of $74.63 and an additional sale of 89 shares at $75.61. The reporting form states these sales were mandated to satisfy statutory tax withholding on vested restricted stock units rather than discretionary trades. After the transactions the reported beneficial holdings are shown as 94,204 and 94,115 shares respectively. The weighted average sale prices for the larger block ranged from $74.36 to $75.2673.

Theodore J. Leonsis, a director of Tempus AI, Inc. (TEM), reported the sale of 44,000 shares of Class A common stock on 08/13/2025 at a weighted average price of $69.9 per share, with individual trade prices ranging from $69.49917 to $69.935.

After the reported disposition, the filing shows 86,756 shares beneficially owned indirectly (through the Theodore J. Leonsis Revocable Trust and related distributions) and 15,511 shares owned directly. The Form 4/A amends earlier reporting to disclose the price range and notes that certain pro rata distributions by Revolution Growth GP III, LP changed the form of ownership without consideration. The amendment is signed by an attorney-in-fact on behalf of the reporting person.