Robert W. Duggan

Co-Chief Executive Officer at Summit Therapeutics · 11 reported transactions in 2 companies · latest trade Jun 12, 2026

Their record

Across their whole record, 3 purchases can be measured; 1 did better than the S&P 500 over the next 6 months.

Typical move −1.3%, S&P 500 +5.0% over the same days.

1 more is too recent to measure.

Jun 12, 2026 · SMMT

$49.99M

S&P 500 +1.9%thru Oct 30

Jun 4, 2026 · SMMT

$1.46M

S&P 500 −0.2%thru Oct 30

Oct 21, 2025 · SMMT

$500K

S&P 500 +12.6%thru Oct 30

Sep 11, 2025 · SMMT

$90.3K

S&P 500 +14.9%thru Oct 30

Sep 10, 2025 · PLSE

$508.1K

S&P 500 +18.0%thru Oct 29

Sep 10, 2025 · SMMT

$5.89M

S&P 500 +15.9%thru Oct 30

Sep 12, 2024 · PLSE

$2.09M

S&P 500 +37.6%thru Oct 29

Newest 10 of 11 transactionsPro adds every trade with how it did, their holdings and the money-flow chartPro is $29 a month

Built from their public trade reports and market prices: past moves, not predictions or advice.

Co-Chief Executive Officer at Summit Therapeutics · 11 reported transactions in 2 companies · latest trade Jun 12, 2026

Across their whole record, 3 purchases can be measured; 1 did better than the S&P 500 over the next 6 months.

Typical move −1.3%, S&P 500 +5.0% over the same days.

1 more is too recent to measure.