5 insiders reported 10 Form 4 transactions for LeonaBio, Inc. (LONA) over the past 18 months (most recent 2026-03-05). Recent activity: Worthington Mark (GENERAL COUNSEL and CCO) Sell 1,328 shares, Litton Mark James (PRESIDENT and CEO) Sell 5,156 shares, Renninger Robert (CHIEF FINANCIAL OFFICER) Buy 3,900 shares, Renninger Robert (CHIEF FINANCIAL OFFICER) Sell 906 shares, Worthington Mark (GENERAL COUNSEL and CCO) Buy 5,726 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-05 | Worthington Mark | GENERAL COUNSEL and CCO | Sell | 1,328 | $7,131 |
| 2026-03-05 | Litton Mark James | PRESIDENT and CEO | Sell | 5,156 | $27,688 |
| 2026-03-05 | Renninger Robert | CHIEF FINANCIAL OFFICER | Buy | 3,900 | $0 |
| 2026-03-05 | Renninger Robert | CHIEF FINANCIAL OFFICER | Sell | 906 | $4,865 |
| 2026-03-05 | Worthington Mark | GENERAL COUNSEL and CCO | Buy | 5,726 | $0 |
| 2026-03-05 | Litton Mark James | PRESIDENT and CEO | Buy | 22,254 | $0 |
| 2026-03-05 | San Martin Javier | CHIEF MEDICAL OFFICER | Buy | 7,418 | $0 |
| 2026-03-05 | San Martin Javier | CHIEF MEDICAL OFFICER | Sell | 1,720 | $9,236 |
| 2026-03-05 | CHURCH KEVIN | CHIEF SCIENTIFIC OFFICER | Buy | 5,856 | $0 |
| 2026-03-05 | CHURCH KEVIN | CHIEF SCIENTIFIC OFFICER | Sell | 1,359 | $7,298 |
Source: SEC Form 4 filings · as of 2026-03-05