Personalis CEO sells 29,112 shares to cover taxes

Personalis, Inc. Chief Executive Officer Christopher M. Hall had 29,112 shares automatically sold on November 3, 2026, to cover tax withholding from the settlement of vested restricted stock units.

Available on EDGAR 11/04/2026 - 04:15 PM EST Accepted by SEC EDGAR 11/04/2026 - 04:15 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Personalis, Inc. Chief Executive Officer Christopher M. Hall had 29,112 shares automatically sold on November 3, 2026, to cover tax withholding from the settlement of vested restricted stock units. The shares sold at a weighted average price of $15.87 per share, within a range of $15.80 to $15.95 per share. Hall directly held 199,415 shares after the sale; no Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 29,112 shares

Net Sell 1 txn

Insider Hall Christopher M

Role Chief Executive Officer

Sold 29,112 shs ($462K)

Share of Position Sold 12.7%

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	29,112	$15.87	$462K

Holdings After Transaction: Common Stock — 199,415 shares (Direct)

Holdings Before and After: Common Stock, 228,527 to 199,415 shares (Direct)

Footnotes (2)

1. F1. Shares automatically sold to cover tax withholding obligation from settlement of vested restricted stock units.
2. F2. The price reported above reflects the weighted average price of the shares sold. The sale price ranged from $15.80 to $15.95 per share. Upon request from the SEC staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

Key Figures

Shares automatically sold: 29,112 shares Weighted average sale price: $15.87 per share Sale price range: $15.80 to $15.95 per share +1 more

4 metrics

Shares automatically sold 29,112 shares November 3, 2026

Weighted average sale price $15.87 per share November 3, 2026

Sale price range $15.80 to $15.95 per share Prices for shares sold on November 3, 2026

Direct shares held after sale 199,415 shares After the November 3, 2026 transaction

Key Terms

restricted stock units, tax withholding obligation, weighted average price

3 terms

restricted stock units financial

"settlement of vested restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligation financial

"cover tax withholding obligation"

weighted average price financial

"reflects the weighted average price of the shares sold"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

FAQ

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

How many PSNL shares did CEO Christopher M. Hall sell, and at what price?

Hall had 29,112 shares automatically sold on November 3, 2026, to cover tax withholding from settlement of vested restricted stock units. The weighted average sale price was $15.87 per share, with individual sale prices ranging from $15.80 to $15.95 per share.

How many PSNL shares did Christopher M. Hall hold after the sale?

After the November 3, 2026 sale, Hall directly held 199,415 shares.

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

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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).

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^*

Hall Christopher M

(Last) (First) (Middle)

C/O PERSONALIS, INC.

6600 DUMBARTON CIRCLE

(Street)

FREMONT CALIFORNIA 94555

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2026

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
Common Stock	11/03/2026		S		29,112(1)	D	$15.87(2)	199,415	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. Shares automatically sold to cover tax withholding obligation from settlement of vested restricted stock units.

2. The price reported above reflects the weighted average price of the shares sold. The sale price ranged from $15.80 to $15.95 per share. Upon request from the SEC staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

	/s/ Aaron Tachibana, Attorney-in-Fact	11/04/2026
	** 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)