LeonaBio, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for LeonaBio, Inc. (LONA), sourced directly from SEC EDGAR and updated as new filings are accepted.
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are LONA insiders buying or selling?
In the last 12 months, LeonaBio, Inc. insiders reported 0 open-market purchases ($0) and 10 sales ($99.4K) — net selling of $99.4K. Since September 2020, Trabud has recorded 56 Form 4 filings for LONA: 16 buys ($62.1M) and 40 sells ($286.0K).
Source: SEC EDGAR Form 4
Key Statistics (September 2020 – Mar 6, 2026)
Insider sentiment
Net buyingNet insider flow of $61.8M in net buying since September 2020, and $99.4K in net selling over the last 12 months.
Recent LONA insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Mar 6, 2026 | Mark James Litton | PRESIDENT and CEO | Sale | 5.2K | $5.37 | $27.7K | SEC ↗ |
| Mar 6, 2026 | Robert Renninger | CHIEF FINANCIAL OFFICER | Sale | 906 | $5.37 | $4.9K | SEC ↗ |
| Mar 6, 2026 | Mark Worthington | GENERAL COUNSEL and CCO | Sale | 1.3K | $5.37 | $7.1K | SEC ↗ |
| Mar 6, 2026 | Kevin Church | CHIEF SCIENTIFIC OFFICER | Sale | 1.4K | $5.37 | $7.3K | SEC ↗ |
| Mar 5, 2026 | Martin Javier San | CHIEF MEDICAL OFFICER | Sale | 1.7K | $5.37 | $9.2K | SEC ↗ |
| Jan 6, 2026 | Martin Javier San | CHIEF MEDICAL OFFICER | Sale | 1.6K | $6.88 | $11.3K | SEC ↗ |
| Jan 6, 2026 | Mark James Litton | President and CEO | Sale | 2.6K | $6.88 | $17.8K | SEC ↗ |
| Jan 6, 2026 | Robert Renninger | Chief Financial Officer | Sale | 297 | $6.88 | $2.0K | SEC ↗ |
| Jan 6, 2026 | Kevin Church | CHIEF SCIENTIFIC OFFICER | Sale | 876 | $6.88 | $6.0K | SEC ↗ |
| Jan 6, 2026 | Mark Worthington | General Counsel and CCO | Sale | 876 | $6.88 | $6.0K | SEC ↗ |
| Jul 2, 2025 | Kevin Church | CHIEF SCIENTIFIC OFFICER | Sale | 8.5K | $0.29 | $2.5K | SEC ↗ |
| Jul 2, 2025 | Mark James Litton | President and CEO | Sale | 25.1K | $0.29 | $7.4K | SEC ↗ |
| Jul 2, 2025 | Martin Javier San | CHIEF MEDICAL OFFICER | Sale | 10.8K | $0.29 | $3.2K | SEC ↗ |
| Jul 2, 2025 | Mark Worthington | General Counsel and CCO | Sale | 8.5K | $0.29 | $2.5K | SEC ↗ |
| Jul 2, 2025 | Robert Renninger | SVP, Finance and Accounting | Sale | 2.9K | $0.29 | $850.27 | SEC ↗ |
| Jan 3, 2025 | Martin Javier San | CHIEF MEDICAL OFFICER | Sale | 10.8K | $0.56 | $6.1K | SEC ↗ |
| Jan 3, 2025 | Mark James Litton | President and CEO | Sale | 25.1K | $0.56 | $14.1K | SEC ↗ |
| Jan 3, 2025 | Kevin Church | CHIEF SCIENTIFIC OFFICER | Sale | 8.5K | $0.56 | $4.8K | SEC ↗ |
| Jan 3, 2025 | Robert Renninger | VP of Finance | Sale | 2.9K | $0.56 | $1.6K | SEC ↗ |
| Jan 3, 2025 | Mark Worthington | General Counsel and CCO | Sale | 8.5K | $0.56 | $4.8K | SEC ↗ |
| Sep 5, 2024 | Andrew Gengos | CFO and Chief Business Officer | Sale | 1.3K | $0.57 | $719.95 | SEC ↗ |
| Sep 5, 2024 | Rachel Lenington | COO and CDO | Sale | 2.5K | $0.57 | $1.4K | SEC ↗ |
| Sep 5, 2024 | Kevin Church | CHIEF SCIENTIFIC OFFICER | Sale | 2.5K | $0.57 | $1.4K | SEC ↗ |
| Sep 5, 2024 | Mark Worthington | GENERAL COUNSEL | Sale | 2.5K | $0.57 | $1.4K | SEC ↗ |
| Sep 5, 2024 | Mark James Litton | President and CEO | Sale | 5.0K | $0.57 | $2.8K | SEC ↗ |
Showing the 25 most recent of 56 Form 4 filings for LeonaBio, Inc..
Most active LONA insiders
- Kevin Church8 filings
- Mark James Litton8 filings
- Mark Worthington8 filings
- Andrew Gengos5 filings
- Martin Javier San4 filings
Ask anything about LONA insider activity
Use Trabud's AI agent to query LeonaBio, Inc.'s Form 4 history in plain English — "Show me LONA CEO purchases this year" or compare it against any other ticker.
Open the AI agentLONA insider trading FAQ
Are LeonaBio, Inc. insiders buying or selling?
In the last 12 months, LeonaBio, Inc. insiders reported 0 open-market purchases ($0) and 10 sales ($99.4K) — net selling of $99.4K. Since September 2020, Trabud has recorded 56 Form 4 filings for LONA: 16 buys ($62.1M) and 40 sells ($286.0K). Over the full record that is net buying of $61.8M.
How many insiders trade LONA stock?
15 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for LeonaBio, Inc.. The most recent filing was accepted on Mar 6, 2026.
Where does Trabud get LONA insider trading data?
All LONA insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.