Personalis, Inc. — Director's Dealing 2026

Mar 17, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Personalis, Inc. (PSNL)
CIK: 0001527753
Period of Report: 2026-03-15

Reporting Person: Tachibana Aaron (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-15	Common Stock	A	34375	—	Acquired	198833	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-03-15	Stock Option (right to buy)	$6.72	A	206250	Acquired	2036-03-15	Common Stock (206250)	Direct

Footnotes

F1: Each share is represented by a restricted stock unit ("RSU"). Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. The RSUs vest in 6 equal semi-annual installments with the first installment vesting on September 15, 2026.

F2: The shares subject to the option vest in 36 equal monthly installments with the first installment vesting on April 15, 2026.