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Insider · CIK 0001963544

Yu Xia

director

Files at SMMT (Summit Therapeutics Inc.). First filing Oct 23, 2025, latest Oct 23, 2025.

In brief

Yu Xia files SEC Form 4 as director at SMMT (Summit Therapeutics Inc.). Since Oct 23, 2025, Yu Xia has reported 1 open-market buy worth $10.0M and 0 open-market sells worth $0, the latest filed on Oct 23, 2025.

A track record needs three past buys with six months of prices behind them; Yu Xia has 0, so none is measured yet.

The newest scored trade: bought $10.0M of SMMT on Oct 21, 2025, filed Oct 23, 2025, scored 55 (moderate). In the last 12 months: 1 buy worth $10.0M and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$10.0M bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

SMMT: Summit Therapeutics Inc.

SMMTOct 13, 2026 · close 15.52

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
55Moderate
SMMTbuy 3
Summit Therapeutics Inc.
$10.0M
533,617 shares
+2%-

Transactions

Every row this insider has filed, 4 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jan 2, 2026SMMT
Summit Therapeutics Inc.
AGrant or award
Stock Option (right to buy)derivative
+35,000--35,000Jan 6, 2026
Oct 21, 2025SMMT
Summit Therapeutics Inc.
POpen-market purchase
Common Stockindirect: Akeso, Inc.
+533,617$18.74$10.0M32,057,147Oct 23, 2025
Jan 2, 2024SMMT
Summit Therapeutics Inc.
AGrant or award
Stock Option (right to buy)derivative
+35,000--35,000Jan 4, 2024
Jan 2, 2024SMMT
Summit Therapeutics Inc.
AGrant or award
Stock Option (right to buy)derivative
+200,000--235,000Jan 4, 2024

Questions about Yu Xia

Answered from the filings on this page, as of the latest one.

Is Yu Xia buying or selling?

In the last 12 months Yu Xia reported 1 open-market buy worth $10.0M and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $10.0M of SMMT on Oct 21, 2025. Grants, option exercises and tax withholding are not counted.

How did Yu Xia's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Yu Xia has 0.

Where does Yu Xia file Form 4?

Yu Xia has filed Form 4 at SMMT (Summit Therapeutics Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Yu Xia: insider trades and track record | InsiderTell