GRAIL, Inc. — Director's Dealing 2026

Mar 4, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAIL, Inc. (GRAL)
CIK: 0001699031
Period of Report: 2026-02-27

Reporting Person: Freidin Aaron (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-27	Common Stock	A	60118	$53.23	Acquired	319195	Direct
2026-03-02	Common Stock	S	9135	$50.0853	Disposed	310060	Direct
2026-03-02	Common Stock	S	438	$51.8611	Disposed	309622	Direct

Footnotes

F1: Represents an award of 60,118 restricted stock units ("RSUs") which will vest in four substantially equal annual installments, beginning on February 28, 2027, subject to the awardee's continuing to be a service provider on such date. Each RSU represents the right to receive, at settlement, one share of common stock. The RSUs will be settled in common stock upon vesting.

F2: Represents automatic sell-to-cover transactions by an executing broker to cover withholding taxes upon award vesting and share delivery. The price reported in Column 4 is a weighted average price calculated by the broker executing these transactions. These shares were sold as part of a block trade in multiple transactions, and the Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate sales price.