David J. Portman

Major shareholder at LeonaBio · 1 reported transaction in 1 company · latest trade Oct 26, 2026

Their record

No purchases old enough to measure yet.


LeonaBioLONA	Bought — · 3,149,470 shares	Oct 26, 2026	S&P 500 +0.9%thru Oct 29

Oct 26, 2026 · LONA

3,149,470

S&P 500 +0.9%thru Oct 29

1 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.

Major shareholder at LeonaBio · 1 reported transaction in 1 company · latest trade Oct 26, 2026

No purchases old enough to measure yet.


LeonaBioLONA	Bought — · 3,149,470 shares	Oct 26, 2026	S&P 500 +0.9%thru Oct 29

Oct 26, 2026 · LONA

3,149,470

S&P 500 +0.9%thru Oct 29

1 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.