Yu Xia

Companies

• Summit TherapeuticsBoard member Jan 26, 2023 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• STSummit Therapeutics SMMT32,057,147 shares²$491.4M at $15.33Oct 21, 2025

As of each latest filing. The line shows shares held over time.

Recent filings

• Oct 21, 2025Bought 533,617 shares at $18.74 of Summit Therapeutics²
• Mar 7, 2023Bought 21,523,530 shares at $1.05 of Summit Therapeutics³
• Jan 17, 2023Bought 10,000,000 shares at $2.51 of Summit Therapeutics³