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4//SEC Filing

Xia Yu 4

Accession 0001963544-25-000004

CIK 0001599298other

Filed

Oct 22, 8:00 PM ET

Accepted

Oct 23, 9:06 PM ET

Size

5.7 KB

Accession

0001963544-25-000004

Insider Transaction Report

Form 4
Period: 2025-10-21
Xia Yu
Director
Transactions
  • Purchase

    Common Stock

    2025-10-21$18.74/sh+533,617$9,999,98332,057,147 total(indirect: Akeso, Inc.)
Footnotes (2)
  • [F1]Acquired in a private placement transaction pursuant to the terms of a definitive agreement, dated as of October 21, 2025, pursuant to which the Issuer agreed to sell shares of common stock to the Reporting Person and certain other parties at a purchase price of $18.74 per share. The transaction is anticipated to close on or about October 23, 2025.
  • [F2]Akeso is the direct beneficial owner of the shares of the Issuer's Common Stock. Dr. Xia is a stockholder and exercises the right to vote approximately 25.96% of Akeso's ordinary shares, and serves as chairwoman, president and chief executive officer of Akeso. Dr. Xia disclaims beneficial ownership of the shares of Issuer's Common Stock beneficially owned by Akeso, except to the extent of her pecuniary interest.

Issuer

Summit Therapeutics Inc.

CIK 0001599298

Entity typeother

Related Parties

1
  • filerCIK 0001963544

Filing Metadata

Form type
4
Filed
Oct 22, 8:00 PM ET
Accepted
Oct 23, 9:06 PM ET
Size
5.7 KB