Portman David J.
Portman David J., 10% owner at LeonaBio, Inc., has 1 open-market purchase worth $9,919,161,281 in company stock reported to the SEC in the last two years. The latest filing was reported on 2026-10-29.
In plain English
- A 10%+ shareholder bought $9,919,161,281 of LeonaBio, Inc. stock with their own money. That is a big personal bet. (2026-10-29)
Filings
| Reported | Stock | What | Amount | Source |
|---|
| 2026-10-29 | LONA
LeonaBio, Inc. | Bought | $9,919,161,281 | SEC filing |
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