Tempus AI officer plans $1.9M stock sale

Tempus AI, Inc. (TEM) officer Vanessa Kubo has given notice under Rule 144 of a proposed sale of 30,846 shares of common stock through Morgan Stanley Smith Barney LLC.

Rhea-AI Filing Summary

Tempus AI, Inc. (TEM) officer Vanessa Kubo has given notice under Rule 144 of a proposed sale of 30,846 shares of common stock through Morgan Stanley Smith Barney LLC. The shares derive from Restricted Stock Awards originally issued on 10/14/2015. The proposed sale amount corresponds to an aggregate market value of $1,944,840.30, compared with 175,390,967 shares outstanding as of 09/01/2026. Over the past three months, Kubo has reported several Rule 10b5-1 plan sales, including 33,284 shares on 07/08/2026 for $1,910,172.09 and 23,818 shares on 08/03/2026 for $1,100,036.71, as well as smaller transactions by another insider, Ryan Fukushima.

Key Figures

Shares to be sold under Rule 144: 30,846 shares Aggregate market value of shares to be sold: $1,944,840.30 Shares outstanding: 175,390,967 shares +4 more

7 metrics

Shares to be sold under Rule 144 30,846 shares Proposed Tempus AI common stock sale for Vanessa Kubo

Aggregate market value of shares to be sold $1,944,840.30 Value of the 30,846 Tempus AI shares covered by the notice

Shares outstanding 175,390,967 shares Tempus AI common shares outstanding as of 09/01/2026

10b5-1 sale on 07/08/2026 33,284 shares for $1,910,172.09 Tempus AI common stock sold by Vanessa Kubo

10b5-1 sale on 08/03/2026 23,818 shares for $1,100,036.71 Tempus AI common stock sold by Vanessa Kubo

10b5-1 sale on 08/07/2026 20,000 shares for $1,000,816.00 Tempus AI common stock sold by Vanessa Kubo

Sale by Ryan Fukushima on 08/18/2026 41,095 shares for $2,038,722.95 Tempus AI common stock transaction by another insider

Key Terms

Rule 144, Restricted Stock Awards, 10b5-1, Executive Financial Services

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.

Restricted Stock Awards financial

"Common | 10/14/2015 | Restricted Stock Awards | Issuer"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

10b5-1 regulatory

"10b5-1 Sales for VANESSA KUBO 600 WEST CHICAGO AVENUE"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

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

What does the Rule 144 notice disclose for Tempus AI, Inc. (TEM)?

It discloses that officer Vanessa Kubo plans to sell 30,846 shares of Tempus AI common stock under Rule 144, with an indicated aggregate market value of $1,944,840.30, relative to 175,390,967 shares outstanding as of 09/01/2026.

How many Tempus AI (TEM) shares is Vanessa Kubo planning to sell under Rule 144?

Vanessa Kubo has noticed a proposed sale of 30,846 shares of Tempus AI common stock, relating to Restricted Stock Awards granted on 10/14/2015, with a stated aggregate market value of $1,944,840.30.

What is Tempus AI’s (TEM) share count referenced in this Rule 144 notice?

The notice references 175,390,967 shares outstanding of Tempus AI common stock as of 09/01/2026; this figure provides context and is separate from the 30,846 shares covered by the planned Rule 144 sale.

What recent 10b5-1 plan sales by Vanessa Kubo in Tempus AI (TEM) stock are disclosed?

Disclosed 10b5-1 sales by Vanessa Kubo include 33,284 shares on 07/08/2026 for $1,910,172.09, 23,818 shares on 08/03/2026 for $1,100,036.71, 20,000 shares on 08/07/2026 for $1,000,816.00, and 14,286 shares on 08/21/2026 for $1,000,020.00.

Which broker is handling Vanessa Kubo’s planned Tempus AI (TEM) Rule 144 sale?

The proposed Rule 144 sale of Tempus AI common stock for Vanessa Kubo is to be handled through Morgan Stanley Smith Barney LLC – Executive Financial Services, located at 1 New York Plaza, New York, NY.

Are other Tempus AI (TEM) insiders mentioned in this Rule 144-related disclosure?

Yes. In addition to Vanessa Kubo’s 10b5-1 sales, the disclosure lists a transaction for Ryan Fukushima of 41,095 shares of Tempus AI common stock sold on 08/18/2026 for $2,038,722.95.

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

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Available on EDGAR 09/01/2026 - 04:42 PM EDT Accepted by SEC EDGAR 09/01/2026 - 04:42 PM EDT 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	0002024250
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	8009765448
Name of Person for Whose Account the Securities are To Be Sold	VANESSA KUBO
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

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	30846	1944840.30	175390967	09/01/2026	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 *
Common	10/14/2015	Restricted Stock Awards	Issuer			30846	10/14/2015	N/A

* 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
10b5-1 Sales for VANESSA KUBO 600 WEST CHICAGO AVENUE, SUITE 510 CHICAGO IL 60654	Common	08/21/2026	14286	1000020.00
Ryan Fukushima 600 WEST CHICAGO AVENUE, SUITE 510 CHICAGO IL 60654	Common	08/18/2026	41095	2038722.95
10b5-1 Sales for VANESSA KUBO 600 WEST CHICAGO AVENUE, SUITE 510 CHICAGO IL 60654	Common	08/07/2026	20000	1000816.00
10b5-1 Sales for VANESSA KUBO 600 WEST CHICAGO AVENUE, SUITE 510 CHICAGO IL 60654	Common	08/03/2026	23818	1100036.71
10b5-1 Sales for VANESSA KUBO 600 WEST CHICAGO AVENUE, SUITE 510 CHICAGO IL 60654	Common	07/08/2026	33284	1910172.09
10b5-1 Sales for VANESSA KUBO 600 WEST CHICAGO AVENUE, SUITE 510 CHICAGO IL 60654	Common	07/06/2026	10000	600000.00

144: Remarks and Signature

Remarks
Date of Notice	09/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/12/2026
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/ Vanessa Kubo
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)