Tempus AI (TEM) CEO-linked entities sell 166K shares under 10b5-1 plan

Rhea-AI Filing Summary

Tempus AI, Inc. director, CEO and 10% owner Eric P. Lefkofsky reported indirect open-market sales of 166,250 shares of Class A Common Stock on March 26, 2026. The shares were sold by entities he manages, including Gray Media, LLC and Blue Media, LLC, at weighted average prices around $45.78–$47.42, under a pre-arranged Rule 10b5-1 trading plan adopted on March 4, 2025. After these trades, Gray Media, LLC holds 8,875,033 shares and Blue Media, LLC holds 15,789,469 shares, and Lefkofsky also reports additional direct and indirect holdings through various family entities and foundations.

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

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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 ILLINOIS 60654

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/26/2026

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

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

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

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	03/26/2026		S(1)		16,388	D	$45.78(2)	8,891,895	I	By Gray Media, LLC(3)
Class A Common Stock	03/26/2026		S(1)		14,915	D	$46.91(4)	8,876,980	I	By Gray Media, LLC(3)
Class A Common Stock	03/26/2026		S(1)		1,947	D	$47.42(5)	8,875,033	I	By Gray Media, LLC(3)
Class A Common Stock	03/26/2026		S(1)		65,559	D	$45.78(2)	15,856,910	I	By Blue Media, LLC(3)
Class A Common Stock	03/26/2026		S(1)		59,657	D	$46.91(4)	15,797,253	I	By Blue Media, LLC(3)
Class A Common Stock	03/26/2026		S(1)		7,784	D	$47.42(5)	15,789,469	I	By Blue Media, LLC(3)
Class A Common Stock								2,253,056	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								832,131	I	By Lefkofsky Family Foundation(3)
Class A Common Stock								250,000	I	By Vas.org 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 March 4, 2025.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.36 to $46.35 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) and (5).

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, (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.

4. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.36 to $47.35 inclusive.

5. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.36 to $47.69 inclusive.

	/s/ Andrew Polovin, Attorney-in-Fact	03/27/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did Tempus AI (TEM) report for Eric P. Lefkofsky?

Entities associated with Eric P. Lefkofsky sold 166,250 Tempus AI shares. The Form 4 shows open-market sales of Class A Common Stock executed on March 26, 2026, reported as indirect transactions through Gray Media, LLC and Blue Media, LLC.

At what prices were the Tempus AI (TEM) shares sold in this Form 4?

The reported weighted average sale prices ranged from about $45.78 to $47.42. Footnotes explain these were averages for multiple trades, with detailed price ranges from $45.36 up to $47.69 across the reported transactions.

Were Eric Lefkofsky’s Tempus AI (TEM) share sales under a Rule 10b5-1 plan?

Yes, the sales were made under a Rule 10b5-1 trading plan. A footnote states the plan was adopted by the reporting person on March 4, 2025, indicating these sales were pre-arranged rather than discretionary market-timing decisions.

How many Tempus AI (TEM) shares do Gray Media and Blue Media hold after the sales?

Gray Media, LLC holds 8,875,033 shares and Blue Media, LLC holds 15,789,469 shares. These figures are reported as the totals following the March 26, 2026 open-market sales of Class A Common Stock.

Does Eric P. Lefkofsky still hold Tempus AI (TEM) shares directly after these transactions?

Yes, the filing shows continued direct ownership of Tempus AI shares. One line reports 2,253,056 Class A Common Stock shares held directly, alongside several additional indirect positions through family entities and foundations.

How significant are the Tempus AI (TEM) insider sales relative to remaining holdings?

The reported sales total 166,250 shares, with large positions remaining. Post-transaction figures show multimillion-share holdings at Gray Media, LLC and Blue Media, LLC, plus direct and other indirect stakes, suggesting these were partial, planned disposals.