[Form 4] Tempus AI, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Tempus AI director David R. Epstein reported a sale of 250 shares of Class A common stock on 09/02/2025 at $73.64 per share. The Form 4 shows the transaction was executed under a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2024. After the reported sale, Epstein beneficially owned 27,041 shares, held directly. The filing was submitted by one reporting person and signed by an attorney-in-fact on 09/04/2025.

Insights

Corporate Governance Expert

TL;DR: Director sale appears orderly and covered by a 10b5-1 plan, indicating pre-arranged trading rather than ad hoc insider selling.

The disclosed sale of 250 shares under a Rule 10b5-1 plan suggests the director followed an established, pre-approved trading arrangement adopted 08/27/2024. The remaining direct ownership of 27,041 shares maintains substantial alignment with shareholders. Filing by one reporting person and a signature via attorney-in-fact are routine disclosures and show formal compliance with Section 16 reporting requirements.

Securities Analyst

TL;DR: Transaction size is small relative to reported holdings, so impact on ownership and market is likely negligible.

The sale of 250 shares at $73.64 represents a modest disposition relative to 27,041 shares held after the trade. The explicit note that the trade was pursuant to a 10b5-1 plan reduces signals of opportunistic insider timing. From a market-impact perspective, the trade is immaterial in size and informational content beyond confirming active, disclosed insider trading under a pre-established plan.

Insider Trade Summary

Net Seller: 250 shares

Net Sell 1 txn

Insider Epstein David R

Role Director

Sold 250 shs ($18K)

Type	Security	Shares	Price	Value
Sale	Class A Comnmon Stock	250	$73.64	$18K

Holdings After Transaction: Class A Comnmon Stock — 27,041 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 09/04/2025 - 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^*

Epstein David R

(Last) (First) (Middle)

C/O TEMPUS AI, INC.

600 WEST CHICAGO AVENUE, SUITE 510

(Street)

CHICAGO IL 60654

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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 Comnmon Stock	09/02/2025		S(1)		250	D	$73.64	27,041	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	09/04/2025
	** 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.