[Form 4] Tempus AI, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Eric P. Lefkofsky, CEO, Chairman, and 10% owner of Tempus AI, executed significant stock sales through controlled entities on June 17-18, 2025, under a pre-established Rule 10b5-1 trading plan.

Key transaction details:

• Through Gray Media LLC: Sold 50,000 shares at prices ranging $67.31-$71.21, reducing holdings to 9,307,283 shares
• Through Blue Media LLC: Disposed of 400,000 shares at prices ranging $67.22-$71.16, reducing holdings to 15,427,132 shares

Post-transaction beneficial ownership includes 4,878,837 shares held directly, and indirect holdings through various entities including 10,000,000 shares in Lefkofsky Family 2025 GRAT. All transactions were executed pursuant to a Rule 10b5-1 trading plan adopted on June 14, 2024, demonstrating planned, compliant insider selling activity.

Positive

• The sales were executed under a pre-planned 10b5-1 trading plan established in June 2024, suggesting the transactions were not based on any new material information
• CEO maintains substantial ownership with over 4.8M shares held directly and significant indirect holdings through various entities including 10M shares in family GRAT, demonstrating continued alignment with shareholders

Negative

• CEO Eric Lefkofsky sold a total of approximately 500,000 shares worth over $35 million through controlled entities (Gray Media LLC and Blue Media LLC), representing a significant insider sale

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a 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). See Instruction 10.

1. Name and Address of Reporting Person^*

LEFKOFSKY ERIC P

(Last) (First) (Middle)

C/O TEMPUS AI, INC.

600 WEST CHICAGO AVENUE, SUITE 510

(Street)

CHICAGO IL 60654

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Tempus AI, Inc. [ TEM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	CEO and Chairman

3. Date of Earliest Transaction (Month/Day/Year)
06/17/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	06/17/2025		S(1)		17,551	D	$69.4(2)	9,389,732	I	By Gray Media, LLC(3)
Class A Common Stock	06/17/2025		S(1)		30,180	D	$70.36(4)	9,359,552	I	By Gray Media, LLC(3)
Class A Common Stock	06/17/2025		S(1)		2,269	D	$71.08(5)	9,357,283	I	By Gray Media, LLC(3)
Class A Common Stock	06/17/2025		S(1)		68,550	D	$69.41(6)	15,758,582	I	By Blue Media, LLC(3)
Class A Common Stock	06/17/2025		S(1)		123,861	D	$70.37(7)	15,634,721	I	By Blue Media, LLC(3)
Class A Common Stock	06/17/2025		S(1)		7,589	D	$71.11(8)	15,627,132	I	By Blue Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		1,800	D	$67.31(9)	9,355,483	I	By Gray Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		11,751	D	$68.7(10)	9,343,732	I	By Gray Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		19,969	D	$69.35(11)	9,323,763	I	By Gray Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		11,651	D	$70.37(12)	9,312,112	I	By Gray Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		4,829	D	$71.21(13)	9,307,283	I	By Gray Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		8,106	D	$67.22(14)	15,619,026	I	By Blue Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		23,931	D	$68.39(15)	15,595,095	I	By Blue Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		103,155	D	$69.17(16)	15,491,940	I	By Blue Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		51,202	D	$70.26(17)	15,440,738	I	By Blue Media, LLC(3)
Class A Common Stock	06/18/2025		S(1)		13,606	D	$71.16(18)	15,427,132	I	By Blue Media, LLC(3)
Class A Common Stock								4,878,837	D
Class A Common Stock								406	I	By 346 Long LLC(3)
Class A Common Stock								10,000,000	I	Lefkofsky Family 2025 GRAT(3)
Class A Common Stock								206	I	By Black Media, LLC(3)
Class A Common Stock								332,131	I	By Lefkofsky Family Foundation(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 14, 2024.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.94 to $69.93 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 footnotes (2), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13), (14), (15), (16), (17) and (18).

3. 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 and (iii) a trustee of Lefkofsky Family Foundation. The Reporting Person's spouse is the trustee of the Lefkofsky Family 2025 GRAT.

4. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.94 to $70.93 inclusive.

5. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.96 to $71.26 inclusive.

6. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.94 to $69.9307 inclusive.

7. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.94 to $70.9354 inclusive.

8. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.94 to $71.42 inclusive.

9. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.95 to $67.82 inclusive.

10. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.00 to $68.99 inclusive.

11. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.00 to $69.99 inclusive.

12. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.00 to $70.99 inclusive.

13. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.00 to $71.53 inclusive.

14. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.80 to $67.78 inclusive.

15. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.81 to $68.809 inclusive.

16. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.81 to $69.80 inclusive.

17. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.81 to $70.80 inclusive.

18. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.81 to $71.58 inclusive.

	/s/ Andrew Polovin, Attorney-in-Fact	06/20/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many TEM shares did CEO Eric Lefkofsky sell on June 17-18, 2025?

Over the two-day period, Eric Lefkofsky sold a total of 500,000 shares through his controlled entities Gray Media, LLC and Blue Media, LLC. The sales were executed in multiple transactions at varying prices between approximately $67-71 per share.

What was the price range of TEM stock sales by Eric Lefkofsky in June 2025?

The sales were executed at prices ranging from $66.80 to $71.58 per share. On June 17, the transactions occurred between $69.40-$71.11, while on June 18, the sales were made at prices ranging from $67.22-$71.21.

How many TEM shares does Eric Lefkofsky still own after the June 2025 transactions?

After the transactions, Lefkofsky maintained beneficial ownership of approximately 40.5 million shares through various entities: 4.88M shares directly, 9.31M through Gray Media LLC, 15.43M through Blue Media LLC, 10M through Lefkofsky Family 2025 GRAT, and additional smaller holdings through other entities.

Was TEM CEO Lefkofsky's June 2025 stock sale planned in advance?

Yes, according to the filing, these transactions were made pursuant to a Rule 10b5-1 trading plan that was adopted by Lefkofsky on June 14, 2024, approximately one year before the sales occurred.

What positions does Eric Lefkofsky hold at TEM as of June 2025?

According to the Form 4, Eric Lefkofsky serves as CEO and Chairman of Tempus AI, Inc. (TEM). He is also listed as a Director and a 10% Owner of the company.