Tempus AI holder plans $14M stock sale

Eric Lefkofsky and affiliated entities have filed to sell up to 200,000 Tempus AI Class A shares under Rule 144 through J.P. Morgan.

Rhea-AI Filing Summary

Tempus AI, Inc. (TEM) is the issuer for a planned resale of its Class A Common Stock under Rule 144 on behalf of Eric Lefkofsky and affiliated entities. The notice covers up to 200,000 shares to be sold through J.P. Morgan Securities LLC, with an indicated aggregate market value of $13,994,000 and reference to 175,390,967 shares outstanding. The shares derive from prior direct investments in Tempus AI made in 2015, 2016 and 2020, and follow several recent Rule 144 sales by Blue Media, LLC, Gray Media, LLC, Lefkofsky Family Foundation and Vas.org Foundation during the prior three months.

Key Figures

Shares to be sold under Rule 144: 200,000 shares Aggregate market value of shares to be sold: $13,994,000 Shares outstanding (Class A Common Stock): 175,390,967 shares +5 more

8 metrics

Shares to be sold under Rule 144 200,000 shares Class A Common Stock covered by the notice

Aggregate market value of shares to be sold $13,994,000 Value associated with the 200,000 shares in the notice

Shares outstanding (Class A Common Stock) 175,390,967 shares Referenced in the securities information section

Shares acquired on December 2, 2016 135,000 shares Direct investment in Tempus AI Class A Common Stock

Shares acquired on September 24, 2015 57,500 shares Direct investment in Tempus AI Class A Common Stock

Shares acquired on March 5, 2020 7,500 shares Direct investment in Tempus AI Class A Common Stock

Recent sale by Blue Media, LLC on June 29, 2026 133,000 shares for $7,645,208.81 Tempus AI Class A Common Stock sold in prior 3 months

Recent sale by Gray Media, LLC on August 25, 2026 57,500 shares for $3,936,351 Tempus AI Class A Common Stock sold in prior 3 months

Key Terms

Rule 144, Class A Common Stock, aggregate market value, Direct Investment, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Class A Common Stock financial

"Class A Common Stock | J.P. Morgan Securities LLC 270 Park Avenue"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

aggregate market value financial

"Class A Common Stock ... 200000 | 13994000 | 175390967"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Direct Investment financial

"Class A Common Stock | 12/02/2016 | Direct Investment | Issuer"

10% Stockholder regulatory

"Officer Director 10% Stockholder"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Tempus AI (TEM) disclose in this Form 144 filing?

The filing reports a planned Rule 144 resale of 200,000 shares of Tempus AI Class A Common Stock for the account of Eric Lefkofsky and affiliated entities, to be sold through J.P. Morgan Securities LLC with an indicated aggregate market value of $13,994,000.

How many Tempus AI (TEM) shares are covered by this planned Rule 144 sale?

The notice covers up to 200,000 shares of Tempus AI Class A Common Stock. The shares are associated with prior direct investments of 135,000, 57,500 and 7,500 shares acquired in 2016, 2015 and 2020, respectively.

Who is the selling security holder in this Tempus AI (TEM) Form 144?

The sale is for the account of Eric Lefkofsky. The remarks state that the form relates to sales by Blue Media, LLC (135,000 shares), Gray Media, LLC (57,500 shares) and Lefkofsky Family Foundation (7,500 shares), for which he is the authorized signatory.

Which broker will handle the Tempus AI (TEM) Rule 144 share sale?

The planned sale will be executed through J.P. Morgan Securities LLC, identified as the broker for the 200,000 Tempus AI Class A Common shares covered by this notice, with trading listed on NASDAQ.

What Tempus AI (TEM) share count is referenced as outstanding in the Form 144?

The securities information section references 175,390,967 shares of Tempus AI Class A Common Stock as outstanding in connection with the calculation of the $13,994,000 aggregate market value for the 200,000 shares to be sold.

What recent sales of Tempus AI (TEM) shares by affiliated entities are disclosed?

The filing lists recent sales of Tempus AI Class A shares, including 133,000 shares by Blue Media, LLC on June 29, 2026, 135,000 shares on July 28, 2026, and 135,000 shares on August 25, 2026, along with additional sales by Gray Media, LLC and related foundations.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/17/2026 - 05:07 PM Accepted by SEC EDGAR 09/17/2026 - 05:06 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001114357
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Tempus AI, Inc.
SEC File Number	001-42130
Address of Issuer	600 West Chicago Avenue, Suite 510 Chicago ILLINOIS 60654
Phone	800-976-5448
Name of Person for Whose Account the Securities are To Be Sold	Eric Lefkofsky
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director
Relationship to Issuer	10% Stockholder

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common Stock	J.P. Morgan Securities LLC 270 Park Avenue, 10th Floor New York NY 10017	200000	13994000	175390967	09/17/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common Stock	12/02/2016	Direct Investment	Issuer			135000	12/02/2016	Cash
Class A Common Stock	09/24/2015	Direct Investment	Issuer			57500	09/24/2015	Cash
Class A Common Stock	03/05/2020	Direct Investment	Issuer			7500	03/05/2020	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Blue Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	06/29/2026	133000	7645208.81
Blue Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	07/28/2026	135000	5678417
Blue Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	08/25/2026	135000	9241867
Gray Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	06/29/2026	33250	1911302.2
Gray Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	07/28/2026	57500	2418585
Gray Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	08/25/2026	57500	3936351
Lefkofsky Family Foundation C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	07/28/2026	7500	315468
Lefkofsky Family Foundation C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	08/25/2026	7500	513437
Vas.org Foundation C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	07/28/2026	50000	2103118

144: Remarks and Signature

Remarks	This form relates to sales by Blue Media, LLC (135,000 shares), Gray Media, LLC (57,500 shares), Lefkofsky Family Foundation (7,500 shares) of which Mr. Lefkofsky is the authorized signatory.
Date of Notice	09/17/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/08/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Eric Lefkofsky
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)