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BCS

Changes in Beneficial Ownership · 4

GRAIL, Inc.

GRALNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Oct 16, 2026Accepted Oct 16, 2026, 4:50 PM EDTFiling CIK 1699031Accession 0001628280-26-066150
Share

Structured filing — 4

wk-form4_1792183834.xml

Open full document ↗

Filing details

Report period
2026-10-15
Issuer
GRAIL, Inc.
Issuer CIK
0001699031
Trading symbol
GRAL

Reporting owner 1

Name
SUMME GREGORY L
Reporting owner CIK
0001143422
Relationship
Director
Address
C/O GRAIL, INC., 250 S. MATHILDA AVE. SUITE 100, SUNNYVALE, CA, 94086

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Stock2026-10-15A · Form 4237[F1]A135.4645,909D
Table key
A · Form 4
Acquisition by grant, award or otherwise under Rule 16b-3(d)
A
Acquired
D
Direct

Footnotes

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.↩ 1

Signature 1

Signed
/s/Donald Lang, as Attorney-in-Fact for Gregory Summe
Date
2026-10-16

Company context

Current securities

Recent company filings

  1. 10-Q filingNov 5, 2026
  2. SCHEDULE 13G/A - filed by PRIMECAP MANAGEMENT CO/CA/ regarding GRAIL, Inc.Nov 5, 2026
  3. Results of Operations and Financial ConditionNov 4, 2026
  4. 4 filingOct 16, 2026
  5. 4 filingOct 16, 2026

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