Personalis CLO sells 2,068 shares for taxes

Personalis SVP and Chief Legal Officer reported an automatic share sale to cover taxes from RSU vesting, with over 90,000 shares still held directly.

Rhea-AI Filing Summary

Personalis, Inc. (PSNL) reported that Stephen Michael Moore, its SVP and Chief Legal Officer, had 2,068 shares of Common Stock sold on September 18, 2026 at $16.22 per share. According to the filing, these shares were automatically sold to cover tax withholding obligations from the settlement of vested restricted stock units, leaving him with 90,257 directly held shares, and no Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 2,068 shares

Net Sell 1 txn

Insider Moore Stephen Michael

Role SVP and Chief Legal Officer

Sold 2,068 shs ($34K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	2,068	$16.22	$34K

Holdings After Transaction: Common Stock — 90,257 shares (Direct)

Footnotes (1)

1. F1. Shares automatically sold to cover tax withholding obligation from settlement of vested restricted stock units.

Key Figures

Shares sold: 2,068 shares Sale price per share: $16.22 per share Shares held after transaction: 90,257 shares

3 metrics

Shares sold 2,068 shares Common Stock sold on September 18, 2026 to cover tax withholding

Sale price per share $16.22 per share Price for the 2,068 shares sold on September 18, 2026

Shares held after transaction 90,257 shares Directly held Common Stock following the September 18, 2026 sale

Key Terms

restricted stock units, tax withholding obligation, Common Stock

3 terms

restricted stock units financial

"from 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

"sold to cover tax withholding obligation from settlement"

Common Stock financial

"Shares of Common Stock sold on September 18, 2026"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What insider transaction did Personalis (PSNL) disclose for Stephen Michael Moore?

The filing reports that Stephen Michael Moore had 2,068 shares of Personalis Common Stock sold on September 18, 2026 at $16.22 per share, in a transaction described as a sale in the open market or a private transaction.

Why were shares sold in the latest PSNL Form 4 filing?

The footnote states the shares were automatically sold to cover a tax withholding obligation arising from the settlement of vested restricted stock units, indicating the sale was related to tax compliance rather than a discretionary liquidation.

How many PSNL shares does Stephen Michael Moore hold after this transaction?

After the September 18, 2026 tax-related sale, Stephen Michael Moore is reported to hold 90,257 shares of Personalis Common Stock directly, as shown in the post-transaction holdings figure.

Was the PSNL insider sale made under a Rule 10b5-1 trading plan?

No. The filing indicates the Rule 10b5-1 checkbox is not marked, and the footnote describes the sale as an automatic transaction to cover tax withholding from vested RSUs, with no Rule 10b5-1 plan reported.

What role does the insider in this PSNL Form 4 hold?

The reporting person, Stephen Michael Moore, serves as SVP and Chief Legal Officer of Personalis, Inc., and the reported holdings and tax-related sale relate to his compensation in company equity.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/22/2026 - 04:11 PM Accepted by SEC EDGAR 09/22/2026 - 04:10 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).

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^*

Moore Stephen Michael

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP and Chief Legal Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/18/2026

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	09/18/2026		S		2,068(1)	D	$16.22	90,257	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.

	/s/ Aaron Tachibana, Attorney-in-Fact	09/22/2026
	** 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)