Xia Yu bought SMMT

October 21, 2025 · Form 4 insider transaction

Xia Yu bought 533,617 shares of Summit Therapeutics Inc. at $18.74 per share, a transaction worth $10.00M. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
533,617
Price
$18.74
Total value
$10.00M
InsiderXia Yu
Role
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateOctober 21, 2025
Filing dateOctober 23, 2025
Shares owned after32,057,147
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

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.; 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.

View the original Form 4 on SEC EDGAR