Tempus AI director sells 250 shares at $65.55

A Tempus AI director sold 250 Class A shares under a pre-arranged Rule 10b5-1 plan and continues to hold 30,844 shares directly.

Rhea-AI Filing Summary

Tempus AI, Inc. (TEM) director David R. Epstein reported selling 250 shares of Class A Common Stock on September 1, 2026 at a price of $65.55 per share in an open-market or private transaction. After this sale, he directly holds 30,844 shares of Tempus AI Class A Common Stock.

The sale was carried out pursuant to a Rule 10b5-1 trading plan adopted by David R. Epstein on August 27, 2024, indicating the transaction followed a pre-arranged trading schedule.

Insider Trade Summary 10b5-1

Net Seller: 250 shares

Net Sell 1 txn

Insider Epstein David R

Role Director

Sold 250 shs ($16K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1	250	$65.55	$16K

Holdings After Transaction: Class A Common Stock — 30,844 shares (Direct)

Footnotes (1)

1. F1. This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 27, 2024.

Key Figures

Shares sold: 250 shares Sale price per share: $65.55 per share Shares held after transaction: 30,844 shares +1 more

4 metrics

Shares sold 250 shares Class A Common Stock sale reported for September 1, 2026

Sale price per share $65.55 per share Price for the 250 Class A shares sold on September 1, 2026

Shares held after transaction 30,844 shares Direct holdings of Tempus AI Class A Common Stock after the sale

Rule 10b5-1 plan adoption date August 27, 2024 Date the trading plan governing this sale was adopted

Key Terms

Rule 10b5-1 trading plan

1 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.

FAQ

What insider transaction did Tempus AI (TEM) report for David R. Epstein?

Tempus AI reported that director David R. Epstein sold 250 shares of Class A Common Stock on September 1, 2026 in an open-market or private transaction at $65.55 per share.

How many Tempus AI (TEM) shares does David R. Epstein hold after this transaction?

After the reported sale, David R. Epstein directly holds 30,844 shares of Tempus AI Class A Common Stock, as disclosed in the Form 4 filing.

At what price did David R. Epstein sell Tempus AI (TEM) stock?

David R. Epstein sold 250 shares of Tempus AI Class A Common Stock at a reported price of $65.55 per share on September 1, 2026.

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

Yes. The filing states the sale was made pursuant to a Rule 10b5-1 trading plan adopted by David R. Epstein on August 27, 2024, indicating it followed a pre-arranged trading schedule.

What is the role of David R. Epstein at Tempus AI (TEM)?

The Form 4 identifies David R. Epstein as a director of Tempus AI, Inc., and the reported transaction involves his direct holdings of Class A Common Stock.

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

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Available on EDGAR 09/03/2026 - 04:08 PM Accepted by SEC EDGAR 09/03/2026 - 04:05 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^*

Epstein David R

(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)
09/01/2026

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	09/01/2026		S(1)		250	D	$65.55	30,844	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 August 27, 2024.

	/s/ Andrew Polovin, Attorney-in-Fact	09/03/2026
	** 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)