Eric Paul Lefkofsky - 18 Dec 2025 Form 4 Insider Report for Tempus AI, Inc. (TEM)

Role
CEO and Chairman, Director, 10%+ Owner
Signature
/s/ Andrew Polovin, Attorney-in-Fact
Issuer symbol
TEM
Transactions as of
18 Dec 2025
Net transactions value
-$10,638,478
Form type
4
Filing time
22 Dec 2025, 17:41:36 UTC
Previous filing
25 Nov 2025
Next filing
30 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
LEFKOFSKY ERIC P CEO and Chairman, Director, 10%+ Owner C/O TEMPUS AI, INC., 600 WEST CHICAGO AVENUE, SUITE 510, CHICAGO /s/ Andrew Polovin, Attorney-in-Fact 22 Dec 2025 0001114357

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TEM Class A Common Stock Sale $222,330 -3,571 -0.04% $62.26 9,004,462 18 Dec 2025 By Gray Media, LLC F1, F2, F3
transaction TEM Class A Common Stock Sale $322,843 -5,118 -0.06% $63.08 8,999,344 18 Dec 2025 By Gray Media, LLC F1, F3, F4
transaction TEM Class A Common Stock Sale $1,215,715 -18,960 -0.21% $64.12 8,980,384 18 Dec 2025 By Gray Media, LLC F1, F3, F5
transaction TEM Class A Common Stock Sale $181,776 -2,800 -0.03% $64.92 8,977,584 18 Dec 2025 By Gray Media, LLC F1, F3, F6
transaction TEM Class A Common Stock Sale $184,978 -2,801 -0.03% $66.04 8,974,783 18 Dec 2025 By Gray Media, LLC F1, F3, F7
transaction TEM Class A Common Stock Sale $881,166 -14,153 -0.09% $62.26 16,307,316 18 Dec 2025 By Blue Media, LLC F1, F2, F3, F8
transaction TEM Class A Common Stock Sale $1,292,446 -20,489 -0.13% $63.08 16,286,827 18 Dec 2025 By Blue Media, LLC F1, F3, F4
transaction TEM Class A Common Stock Sale $4,867,542 -75,913 -0.47% $64.12 16,210,914 18 Dec 2025 By Blue Media, LLC F1, F3, F5
transaction TEM Class A Common Stock Sale $729,571 -11,238 -0.07% $64.92 16,199,676 18 Dec 2025 By Blue Media, LLC F1, F3, F6
transaction TEM Class A Common Stock Sale $740,110 -11,207 -0.07% $66.04 16,188,469 18 Dec 2025 By Blue Media, LLC F1, F3, F7
holding TEM Class A Common Stock 2,003,213 18 Dec 2025 Direct
holding TEM Class A Common Stock 406 18 Dec 2025 By 346 Long LLC F3
holding TEM Class A Common Stock 10,000,000 18 Dec 2025 Lefkofsky Family 2025 GRAT F3
holding TEM Class A Common Stock 206 18 Dec 2025 By Black Media, LLC F3
holding TEM Class A Common Stock 832,131 18 Dec 2025 By Lefkofsky Family Foundation F3
holding TEM Class A Common Stock 250,000 18 Dec 2025 By Vas.org Foundation F3, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2025.
F2 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.59 to $62.5897 inclusive. The Reporting Person 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 ranges set forth in footnote (2), (4), (5), (6) and (7).
F3 The Reporting Person is (i) a member of, and controls a limited liability company that is a member of, 346 Long LLC, (ii) the sole manager of each of Black Media, LLC, Blue Media, LLC and Gray Media, LLC, (iii) a trustee of each of Lefkofsky Family Foundation and Vas.org Foundation. The Reporting Person's spouse is the trustee of the Lefkofsky Family 2025 GRAT.
F4 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.59 to $63.5897 inclusive.
F5 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.59 to $64.5898 inclusive.
F6 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.59 to $65.5649 inclusive.
F7 The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.59 to $66.50 inclusive.
F8 Represents the number of shares owned after Blue Media, LLC contributed a portion of its shares to the Vas.org.