ROBERT P. RAGUSA - 02 Mar 2026 Form 4 Insider Report for GRAIL, Inc. (GRAL)

Role: Chief Executive Officer, Director
Signature: /s/Donald Lang, as Attorney-in-Fact for Robert Ragusa
Issuer symbol: GRAL
Transactions as of: 02 Mar 2026
Net transactions value: -$1,881,417
Form type: 4
Filing time: 03 Mar 2026, 20:15:52 UTC
Previous filing: 09 Feb 2026
Next filing: 09 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
RAGUSA ROBERT P	Chief Executive Officer, Director	C/O GRAIL, INC., 1525 O'BRIEN DRIVE, MENLO PARK	/s/Donald Lang, as Attorney-in-Fact for Robert Ragusa	03 Mar 2026	0001222644

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GRAL	Common Stock	Sale	$1,792,403	-35,787	-5.2%	$50.09	652,242	02 Mar 2026	Direct	F1
transaction	GRAL	Common Stock	Sale	$89,014	-1,717	-0.26%	$51.84	650,525	02 Mar 2026	Direct	F1

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

Explanation of Responses:

Id	Content
F1	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 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.