Personalis, Inc. — Director's Dealing 2026

Jan 23, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Personalis, Inc. (PSNL)
CIK: 0001527753
Period of Report: 2026-01-22

Reporting Person: Tachibana Aaron (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-22	Common Stock	M	1201	$9.16	Acquired	165659	Direct
2026-01-22	Common Stock	S	1201	$11.5	Disposed	164458	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-22	Stock Option (right to buy)	$9.16	M	1201	Disposed	2029-03-13	Common Stock (1201)	Direct

Footnotes

F1: The sales and option exercise reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 7, 2025.

F2: The shares subject to the option are fully vested and exercisable.