John Cox

CEO & President at Dyne Therapeutics · 9 reported transactions in 1 company · latest trade Dec 5, 2025

Their record

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

Typical move +107.6%, S&P 500 +9.3% over the same days.

Dec 5, 2025 · DYN

$55.2K

S&P 500 +12.2%thru Oct 29

Sep 5, 2025 · DYN

$35.4K

S&P 500 +18.9%thru Oct 29

Jul 14, 2025 · DYN

$911K

S&P 500 +23.1%thru Oct 29

Jun 5, 2025 · DYN

$54.2K

S&P 500 +29.7%thru Oct 29

9 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.

CEO & President at Dyne Therapeutics · 9 reported transactions in 1 company · latest trade Dec 5, 2025

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

Typical move +107.6%, S&P 500 +9.3% over the same days.