Summit Therapeu ADR (SMMT): Congress and insider trades

Who in Congress and inside the company traded SMMT, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Summit Therapeu ADR (SMMT) is a listed stock on NASDAQ.
  • Insiders filed 5 open market buys worth $104M and 0 sells worth $0, the latest filed 2026-06-12 (12 June 2026).
  • 1 cluster buy of SMMT by three or more insiders within 30 days.
  • Across 5 scored buys, Insiders averaged +15.6% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 0 0 members
Congress sells 0
Insider buys 5 $104M
Insider sells 0 $0
Congress buys vs S&P, 90d n/a 0 scored buys
Insider buys vs S&P, 90d +15.6% 5 scored buys

Insider trades in SMMT

as of 2026-06-12
Open market insider trades in SMMT, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
12 Jun 2026 DUGGAN ROBERT W buy 3,810,000 $13.12 $50M +22.7%
12 Jun 2026 Zanganeh Mahkam buy 3,810,000 $13.12 $50M +22.7%
4 Jun 2026 DUGGAN ROBERT W buy 100,000 $14.60 $1.5M +10.9%
4 Jun 2026 Zanganeh Mahkam buy 100,000 $14.60 $1.5M +10.9%
4 Jun 2026 Soni Manmeet Singh buy 50,000 $14.45 $722K +10.9%

Cluster buys in SMMT

Times three or more insiders bought SMMT within 30 days.
Last filedStockInsidersTradesTotal valueDays spanned90 day vs S&P
12 Jun 2026 SMMT 3 5 $104M 8 +22.7%

Frequently asked questions

Who has bought SMMT?

0 Congress buys by 0 members and 5 insider buys are on file. The tables on this page list every one.

Did buying SMMT after a disclosure beat the market?

Across 5 scored buys, Insiders averaged +15.6% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.