William K. Heiden

Director at Macrogenics · 4 reported transactions in 2 companies · latest trade Aug 20, 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 +14.8%, S&P 500 +8.2% over the same days.


MacrogenicsMGNX	Bought $73.8K · 49,500 shares	Aug 20, 2025	S&P 500 +19.9%thru Oct 27
MacrogenicsMGNX	Bought $76.8K · 50,500 shares	Aug 19, 2025	S&P 500 +19.6%thru Oct 27

Aug 20, 2025 · MGNX

$73.8K

S&P 500 +19.9%thru Oct 27

Aug 19, 2025 · MGNX

$76.8K

S&P 500 +19.6%thru Oct 27

4 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.