DJ
Insider buying
David J. Portman bought LONA stock
David J. Portman, 10% owner of LeonaBio, Inc. (LONA), bought 3,149,470 shares of LONA stock, per an SEC Form 4 filed Oct 29, 2026.
It was an open-market purchase.
The trade happened on Oct 26, 2026, 3 days before it was made public.
LONA has moved +4.2% since the trade date, from $4.76 to $4.96 (Oct 28, 2026 close).
- Traded
- Oct 26, 2026
- Disclosed
- Oct 29, 2026
- Filing delay
- 3 days
- Price since
- +4.2%
- Role
- 10% owner
- Source
- SEC Form 4
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.