Aaron Freidin - 27 Feb 2026 Form 4 Insider Report for GRAIL, Inc. (GRAL)

Role: Chief Financial Officer
Signature: /s/Donald Lang, as Attorney-in-Fact for Aaron Freidin
Issuer symbol: GRAL
Transactions as of: 27 Feb 2026
Net transactions value: +$2,719,837
Form type: 4
Filing time: 03 Mar 2026, 20:45:54 UTC
Previous filing: 05 Dec 2025
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Freidin Aaron	Chief Financial Officer	C/O GRAIL, INC., 1525 O'BRIEN DRIVE, MENLO PARK	/s/Donald Lang, as Attorney-in-Fact for Aaron Freidin	03 Mar 2026	0002024196

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GRAL	Common Stock	Award	$3,200,081	+60,118	+23%	$53.23	319,195	27 Feb 2026	Direct	F1
transaction	GRAL	Common Stock	Sale	$457,529	-9,135	-2.9%	$50.09	310,060	02 Mar 2026	Direct	F2
transaction	GRAL	Common Stock	Sale	$22,715	-438	-0.14%	$51.86	309,622	02 Mar 2026	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.

Content

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.

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.