Tempus AI director sells 3,000 shares at $53.90

Tempus AI, Inc. (TEM) director Nadja West reported selling 3,000 shares of Class A Common Stock on August 14, 2026 at $53.90 per share in an open-market or private transaction.

Rhea-AI Filing Summary

Tempus AI, Inc. (TEM) director Nadja West reported selling 3,000 shares of Class A Common Stock on August 14, 2026 at $53.90 per share in an open-market or private transaction. Following this sale, West directly holds 34,981 shares. The transaction was executed under a Rule 10b5-1 trading plan adopted on May 15, 2026.

Insider Trade Summary 10b5-1

Net Seller: 3,000 shares

Net Sell 1 txn

Insider West Nadja

Role Director

Sold 3,000 shs ($162K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1	3,000	$53.90	$162K

Holdings After Transaction: Class A Common Stock — 34,981 shares (Direct)

Footnotes (1)

1. F1. This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2026.

Key Figures

Shares sold: 3,000 shares Sale price: $53.90 per share Shares held after transaction: 34,981 shares +2 more

5 metrics

Shares sold 3,000 shares Class A Common Stock sold by director on August 14, 2026

Sale price $53.90 per share Price for the 3,000 Class A Common Stock shares sold

Shares held after transaction 34,981 shares Director’s direct holdings following the August 14, 2026 sale

Net shares sold 3,000 shares Net sell activity across all reported transactions in this Form 4

10b5-1 plan adoption date May 15, 2026 Date the Rule 10b5-1 trading plan governing this sale was adopted

Key Terms

Rule 10b5-1 trading plan, Class A Common Stock, open market or private transaction

3 terms

Rule 10b5-1 trading plan regulatory

"This transaction was made pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Class A Common Stock financial

"security_title: Class A Common Stock"

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.

open market or private transaction financial

"transaction_code_description: Sale in open market or private transaction"

FAQ

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

What insider transaction did Tempus AI (TEM) report for Nadja West?

Tempus AI (TEM) reported that director Nadja West sold 3,000 shares of Class A Common Stock on August 14, 2026. The sale was an open-market or private transaction executed at $53.90 per share under a pre-established Rule 10b5-1 plan.

At what price did Nadja West sell Tempus AI (TEM) shares?

Nadja West sold Tempus AI (TEM) Class A Common Stock at $53.90 per share. The transaction covered 3,000 shares in a sale classified as an open-market or private transaction, according to the Form 4 filing data.

How many Tempus AI (TEM) shares does Nadja West hold after this sale?

After the reported sale, Nadja West directly holds 34,981 shares of Tempus AI (TEM) Class A Common Stock. This post-transaction holding reflects ownership following the disposal of 3,000 shares on August 14, 2026.

Was the Tempus AI (TEM) insider sale by Nadja West under a Rule 10b5-1 plan?

Yes. The sale was made pursuant to a Rule 10b5-1 trading plan adopted by Nadja West on May 15, 2026. Such plans pre-schedule trades, reducing the significance of trade timing as an informational signal.

What type of security did Nadja West sell in Tempus AI (TEM)?

Nadja West sold Class A Common Stock of Tempus AI (TEM). The Form 4 specifies a single non-derivative transaction involving 3,000 shares, executed at a per-share price of $53.90.

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

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Available on EDGAR 08/18/2026 - 04:16 PM Accepted by SEC EDGAR 08/18/2026 - 04:15 PM Learn about SEC filing dates

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^*

West Nadja

(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		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026

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	08/14/2026		S(1)		3,000	D	$53.9	34,981	D

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 May 15, 2026.

	/s/ Andrew Polovin, Attorney-in-Fact	08/18/2026
	** 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)