Personalis (PSNL) CEO gains 33,333 performance-based stock options

Rhea-AI Filing Summary

Personalis, Inc. reported that President and CEO Christopher M. Hall acquired rights to 33,333 shares through the vesting of a performance stock option. The option tranche vested on February 23, 2026 after the company met a specified reimbursement milestone tied to the original grant made on March 15, 2024.

The transaction is coded as a grant or award acquisition, with no cash paid per option at vesting. Following this vesting event, Hall holds 33,333 stock options related to this performance-based award as direct ownership.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hall Christopher M

Role PRESIDENT AND CEO

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	33,333	$0.00	--

Holdings After Transaction: Stock Option (right to buy) — 33,333 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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 CA 94555

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

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

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
Stock Option (right to buy)	$1.61	02/23/2026		A		33,333		02/23/2026	03/15/2034	Common Stock	33,333	$0	33,333(1)	D

Explanation of Responses:

1. This amount represents the vesting of a performance stock option granted on March 15, 2024, following the satisfaction of a specified reimbursement milestone.

	/s/ Aaron Tachibana, Attorney-in-Fact	02/25/2026
	** 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.

FAQ

What insider transaction did Personalis (PSNL) report for its CEO?

Personalis reported that CEO Christopher M. Hall acquired 33,333 stock options through vesting of a performance stock option. The vesting occurred after a specified reimbursement milestone was met, reflecting the achievement of a predefined performance condition under an existing equity award.

How many stock options did the Personalis (PSNL) CEO receive in this Form 4?

The CEO received 33,333 stock options through vesting. These options stem from a performance stock option granted on March 15, 2024 and became exercisable after the company satisfied a reimbursement milestone, as described in the Form 4 footnote.

Was the Personalis (PSNL) CEO’s Form 4 transaction a purchase or a grant?

The Form 4 shows a grant or award acquisition, not an open-market purchase. Christopher M. Hall gained 33,333 stock options through vesting of a previously granted performance stock option after achieving a specified reimbursement milestone, with no cash price per share reported at vesting.

What triggers caused the Personalis (PSNL) CEO’s performance stock options to vest?

The vesting was triggered by satisfaction of a specified reimbursement milestone. Once this performance condition was met, 33,333 options from a performance stock option granted on March 15, 2024 vested, giving CEO Christopher M. Hall direct ownership of these derivative securities.

How many Personalis (PSNL) options does the CEO hold after this Form 4 transaction?

After this transaction, Christopher M. Hall holds 33,333 stock options related to the reported award. The Form 4 lists these as directly owned derivative securities following vesting of the performance stock option tranche tied to the reimbursement milestone condition.