David J. Portman

LONA

David J. Portman serves as 10 percent owner at LeonaBio, Inc. (LONA). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$9.92B

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$9.92B

Companies Traded

LONA

Active Period

Oct 2026

1 total trades

Most Recent

Buy LONA

Oct 28, 2026 · $9.92B

David J. Portman's Insider Trading at LeonaBio, Inc. (LONA)

Buys

1 · $9.92B

Sells

0 · $0.00

Total Shares Bought

3,149,470

Total Shares Sold

LONA Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 28, 2026	Buy	3,149,470	$3149.47	$9.92B	3,149,470

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