Gregory L. Summe - 15 Oct 2026 Form 4 Insider Report for GRAIL, Inc. (GRAL)

Reporting relationship: Director
Issuer ticker: GRAL
Reported as of: 15 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Oct 2026, 16:50:36 UTC
Prior SEC filing: 16 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/Donald Lang, as Attorney-in-Fact for Gregory Summe

Filing notes and source

Key filing fact

Gregory L. Summe filed Form 4 for GRAIL, Inc. (GRAL) on 16 Oct 2026.

Key facts

This page summarizes Gregory L. Summe's Form 4 filing for GRAIL, Inc. (GRAL).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 16 Oct 2026, 16:50.

Change

Previous filing in this sequence was filed on 16 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001143422 Primary reporting owner

SUMME GREGORY L

Relationship: Director
Address: C/O GRAIL, INC., 250 S. MATHILDA AVE. SUITE 100, SUNNYVALE
Signature: /s/Donald Lang, as Attorney-in-Fact for Gregory Summe
Signature date: 16 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GRAL transaction

Common Stock

Award

Transaction value
Shares: +237
Change %: +0.52%
Price: $135.46^*
Shares after: 45,909
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents 237 deferred stock units granted to Mr. Summe under our deferred stock program and 2024 Equity Incentive Plan in lieu of $32,136.99 of cash fees payable to Mr. Summe for his service as a director, based on a price per share of $135.46, which was the closing price per share of the Company's common stock on October 15, 2026. The awards will vest immediately upon grant date.