Brian S. Posner
Director at Dyne Therapeutics · 4 reported transactions in 2 companies · latest trade Oct 2, 2026
Their record
Across their whole record, 1 purchase can be measured; 0 did better than the S&P 500 over the next 6 months.
Typical move +1.7%, S&P 500 +10.9% over the same days.
Their trades
Bought | Oct 2, 2026 | Oct 2, 2026 close $15.20 → Oct 28, 2026 close $16.98. S&P 500 +0.0% over the same days. | ||
Sold | Jun 3, 2026 | Jun 3, 2026 close $19.53 → Oct 27, 2026 close $17.90. S&P 500 +2.0% over the same days. | ||
Bought | May 20, 2026 | May 20, 2026 close $17.56 → Oct 28, 2026 close $16.98. S&P 500 +3.8% over the same days. | ||
Bought | Aug 1, 2025 | Aug 1, 2025 close $20.80 → Oct 27, 2026 close $17.90. S&P 500 +23.8% over the same days. |
BoughtDyne Therapeutics
$40K
Oct 2, 2026 close $15.20 → Oct 28, 2026 close $16.98. S&P 500 +0.0% over the same days.
$59K
Jun 3, 2026 close $19.53 → Oct 27, 2026 close $17.90. S&P 500 +2.0% over the same days.
BoughtDyne Therapeutics
$42.8K
May 20, 2026 close $17.56 → Oct 28, 2026 close $16.98. S&P 500 +3.8% over the same days.
BoughtArch Capital Group
$17.3K
Aug 1, 2025 close $20.80 → Oct 27, 2026 close $17.90. S&P 500 +23.8% over the same days.