Eric Lefkofsky plans $19.5M Tempus AI sale

Tempus AI, Inc. (TEM) is the issuer for a Form 144 notice filed on behalf of Eric Lefkofsky covering proposed sales of Class A Common Stock.

Available on EDGAR 09/22/2026 - 04:50 PM EDT Accepted by SEC EDGAR 09/22/2026 - 04:50 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Tempus AI, Inc. (TEM) is the issuer for a Form 144 notice filed on behalf of Eric Lefkofsky covering proposed sales of Class A Common Stock. The filing lists up to 250,000 shares to be sold through J.P. Morgan Securities LLC, with an aggregate market value of $19,507,500 and reference to 175,390,967 shares outstanding as of September 22, 2026. The securities derive from stock compensation, direct investments, and a donation-related holding by Blue Media LLC. The notice also discloses recent sales over the prior three months by Blue Media LLC, Gray Media LLC, Lefkofsky Family Foundation, and Vas.org Foundation, entities for which Lefkofsky is the authorized signatory.

Key Figures

Shares proposed to be sold: 250,000 shares Aggregate market value of proposed sale: $19,507,500 Shares outstanding: 175,390,967 shares +3 more

6 metrics

Shares proposed to be sold 250,000 shares Class A Common Stock covered by the Form 144 notice

Aggregate market value of proposed sale $19,507,500 Value of 250,000 Tempus AI Class A shares in the Form 144

Shares outstanding 175,390,967 shares Tempus AI Class A Common Stock as of September 22, 2026

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

Recent sale by Gray Media, LLC 33,250 shares for $1,911,302.20 Class A Common Stock sold on June 29, 2026

Planned Blue Media, LLC sale noted in remarks 135,000 shares Portion of shares referenced in the Form 144 remarks

Key Terms

Rule 144, Form 144, Class A Common Stock, aggregate market value

4 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.

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A Common Stock financial

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

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

"250000 | 19507500 | 175390967 | 09/22/2026"

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.

FAQ

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

What does Tempus AI (TEM)’s latest Form 144 filing disclose?

The Form 144 for Tempus AI (TEM) discloses a proposed sale of 250,000 shares of Class A Common Stock for an aggregate market value of $19,507,500, along with recent Rule 144 sales by entities associated with Eric Lefkofsky.

How many Tempus AI (TEM) shares are proposed to be sold under this Form 144?

The notice covers a proposed sale of 250,000 shares of Tempus AI Class A Common Stock, to be sold through J.P. Morgan Securities LLC as broker.

What is the aggregate market value of the Tempus AI (TEM) shares in this Form 144?

The filing states an aggregate market value of $19,507,500 for the 250,000 shares of Tempus AI Class A Common Stock covered by the Form 144 notice.

How many Tempus AI (TEM) shares were outstanding as referenced in the Form 144?

The Form 144 references 175,390,967 shares outstanding of Tempus AI Class A Common Stock as of September 22, 2026; this is a baseline figure and not the amount being sold.

Which entities related to Eric Lefkofsky are selling Tempus AI (TEM) shares?

The remarks state the form relates to sales by Blue Media, LLC (135,000 shares), Gray Media, LLC (57,500 shares), Lefkofsky Family Foundation (7,500 shares), and Vas.org Foundation (50,000 shares), for which Eric Lefkofsky is the authorized signatory.

What recent Tempus AI (TEM) share sales are reported for the past three months?

Disclosed past-three-month sales include, for example, 133,000 shares by Blue Media, LLC on June 29, 2026 for $7,645,208.81 and 33,250 shares by Gray Media, LLC on the same date for $1,911,302.20, among other transactions.

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

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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	250000	19507500	175390967	09/22/2026	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	01/22/2025	Stock Compensation	Issuer			135000	01/22/2025	Compensation
Class A Common Stock	09/14/2017	Direct Investment	Issuer			57500	09/14/2017	Cash
Class A Common Stock	03/05/2020	Direct Investment	Issuer			7500	03/05/2020	Cash
Class A Common Stock	12/04/2025	Donation	Blue Media LLC who acquired the shares on 09/24/2015			50000	12/04/2025	Donation

* 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
Blue Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	09/17/2026	135000	10876976
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
Gray Media, LLC C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	09/17/2026	57500	4632786
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
Lefkofsky Family Foundation C/o Tempus AI, Inc. 600 West Chicago Avenue, Suite 510 Chicago IL 60654	Class A Common Stock	09/17/2026	7500	604276
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) and Vas.org Foundation (50,000 shares) of which Mr. Lefkofsky is the authorized signatory.
Date of Notice	09/22/2026
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)