SEC FORM 4

SEC FORM 4 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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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^*

Tempus AI, Inc.

(Last)

(First)

(Middle)

600 WEST CHICAGO AVENUE

SUITE 510

(Street)

CHICAGO

60654

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Personalis, Inc. [ PSNL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/18/2025		P		64,750⁽¹⁾	A	$7.67⁽¹⁾	12,783,550	D
Common Stock	11/19/2025		P		30,645⁽²⁾	A	$8.12⁽²⁾	12,814,195	D
Common Stock	11/20/2025		P		28,827⁽³⁾	A	$8.63⁽³⁾	12,843,022	D
Common Stock	11/21/2025		P		9,900⁽⁴⁾	A	$8.84⁽⁴⁾	12,852,922	D
Common Stock	11/21/2025		P		16,599⁽⁵⁾	A	$9.74⁽⁵⁾	12,869,521	D
Common Stock	11/24/2025		P		25,225⁽⁶⁾	A	$9.87⁽⁶⁾	12,894,746	D
Common Stock	11/25/2025		P		9,712⁽⁷⁾	A	$10.08⁽⁷⁾	12,904,458	D
Common Stock	11/25/2025		P		13,888⁽⁸⁾	A	$11⁽⁸⁾	12,918,346	D
Common Stock	12/17/2025		P		31,650⁽⁹⁾	A	$7.86⁽⁹⁾	12,949,996	D
Common Stock	12/18/2025		P		31,430⁽¹⁰⁾	A	$7.91⁽¹⁰⁾	12,981,426	D
Common Stock	12/19/2025		P		29,641⁽¹¹⁾	A	$8.39⁽¹¹⁾	13,011,067	D
Common Stock	12/22/2025		P		28,000⁽¹²⁾	A	$8.93⁽¹²⁾	13,039,067	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $7.36 to $7.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

2. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $7.80 to $8.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

3. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $8.28 to $9.10, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

4. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $8.40 to $9.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

5. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $9.48 to $9.85, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

6. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $9.69 to $10.12, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

7. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $9.47 to $10.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

8. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $10.47 to $11.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

9. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $7.75 to $7.93, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

10. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $7.80 to $8.38, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

11. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $8.09 to $8.63, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

12. This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $8.73 to $9.08, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

	Tempus AI, Inc. By: /s/ Andrew Polovin, General Counsel	02/13/2026
	** 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).
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