Portman David J.insider trades

In SEC Form 4 filings, Portman David J. is listed as 10% owner of LeonaBio, Inc. (LONA). In the last 90 days, Portman David J. bought $9.92B of LeonaBio, Inc. (LONA) on the open market and sold none. The purchase was $9.92B of LeonaBio, Inc. (LONA) on Oct 26.

Companies and roles

Company	Role	Transactions	Last filed
LONALeonaBio, Inc.	10% owner	2	Oct 28

Cluster buys

No cluster buy in the last 90 days included a purchase by this insider (two or more insiders buying within 14 days).

Form 4 historysince 2026-10-28

Company	Traded	Filed	Type	Shares	Price	Value	Owned after	10b5-1 plan	Filing
LONALeonaBio, Inc.	Oct 26	Oct 28	P	3,149,470	$3,149.47	Purchase +$9,919,161,281	3,149,470	No	Form 4
LONALeonaBio, Inc.	Oct 26	Oct 28	P · derivative	5,502,402	$3,149.47	Purchase +$17,329,650,027	not reported	No	Form 4

Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.