LeonaBio, Inc. also files under ATHA; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 23, 2026 | Edelman Joseph | Director | Grant(A) | 28K | — | $0 |
| Jun 23, 2026 | Johnson James A | Director | Grant(A) | 28K | — | $0 |
| Jun 23, 2026 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 28K | — | $0 |
| Jun 23, 2026 | Kosacz Barbara | Director | Grant(A) | 28K | — | $0 |
| Jun 23, 2026 | Panzara Michael A. | Director | Grant(A) | 28K | — | $0 |
| Jun 23, 2026 | Pickering Grant | Director | Grant(A) | 28K | — | $0 |
| Jun 23, 2026 | Romano Kelly A | Director | Grant(A) | 28K | — | $0 |
| Jun 23, 2026 | Callori Fred | Director | Grant(A) | 2K | — | $0 |
| Jun 23, 2026 | Holles Natalie C. | Director | Grant(A) | 2K | — | $0 |
| Jun 23, 2026 | Silverman Peter B. | Director | Grant(A) | 2K | — | $0 |
| May 5, 2026 | Silverman Peter B. | Director | Grant(A) | 56K | — | $0 |
| May 5, 2026 | Callori Fred | Director | Grant(A) | 56K | — | $0 |
| May 5, 2026 | Holles Natalie C. | Director | Grant(A) | 56K | — | $0 |
| Apr 9, 2026 | Pickering Grant | Director | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Johnson James A | Director | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Litton Mark James | PRESIDENT and CEO, Director | Grant(A) | 750K | — | $0 |
| Apr 9, 2026 | San Martin Javier | CHIEF MEDICAL OFFICER | Grant(A) | 350K | — | $0 |
| Apr 9, 2026 | Fluke John M JR | Director | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Worthington Mark | GENERAL COUNSEL and CCO | Grant(A) | 300K | — | $0 |
| Apr 9, 2026 | Romano Kelly A | Director | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Edelman Joseph | Director | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Renninger Robert | CHIEF FINANCIAL OFFICER | Grant(A) | 300K | — | $0 |
| Apr 9, 2026 | Kosacz Barbara | Director | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Panzara Michael A. | Director | Grant(A) | 28K | — | $0 |
| Apr 9, 2026 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Grant(A) | 300K | — | $0 |
| Mar 4, 2026 | Renninger Robert | CHIEF FINANCIAL OFFICER | Sell(S) | 906 | $5.37 | $5K |
| Mar 4, 2026 | Worthington Mark | GENERAL COUNSEL and CCO | Sell(S) | 1K | $5.37 | $7K |
| Mar 4, 2026 | San Martin Javier | CHIEF MEDICAL OFFICER | Sell(S) | 2K | $5.37 | $9K |
| Mar 4, 2026 | Litton Mark James | PRESIDENT and CEO, Director | Sell(S) | 5K | $5.37 | $28K |
| Mar 4, 2026 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Sell(S) | 1K | $5.37 | $7K |
| Mar 3, 2026 | Renninger Robert | CHIEF FINANCIAL OFFICER | Option exercise(M) | 4K | — | $0 |
| Mar 3, 2026 | Litton Mark James | PRESIDENT and CEO, Director | Option exercise(M) | 22K | — | $0 |
| Mar 3, 2026 | Worthington Mark | GENERAL COUNSEL and CCO | Option exercise(M) | 6K | — | $0 |
| Mar 3, 2026 | San Martin Javier | CHIEF MEDICAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Mar 3, 2026 | Worthington Mark | GENERAL COUNSEL and CCO | Option exercise(M) | 6K | — | $0 |
| Mar 3, 2026 | San Martin Javier | CHIEF MEDICAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Mar 3, 2026 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 6K | — | $0 |
| Mar 3, 2026 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 6K | — | $0 |
| Mar 3, 2026 | Litton Mark James | PRESIDENT and CEO, Director | Option exercise(M) | 22K | — | $0 |
| Mar 3, 2026 | Renninger Robert | CHIEF FINANCIAL OFFICER | Option exercise(M) | 4K | — | $0 |
| Jan 2, 2026 | San Martin Javier | CHIEF MEDICAL OFFICER | Sell(S) | 2K | $6.88 | $11K |
| Jan 2, 2026 | Renninger Robert | Chief Financial Officer | Sell(S) | 297 | $6.88 | $2K |
| Jan 2, 2026 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Sell(S) | 876 | $6.88 | $6K |
| Jan 2, 2026 | Worthington Mark | General Counsel and CCO | Sell(S) | 876 | $6.88 | $6K |
| Jan 2, 2026 | Litton Mark James | President and CEO, Director | Sell(S) | 3K | $6.88 | $18K |
| Dec 31, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 4K | — | $0 |
| Dec 31, 2025 | Renninger Robert | Chief Financial Officer | Option exercise(M) | 1K | — | $0 |
| Dec 31, 2025 | Litton Mark James | President and CEO, Director | Option exercise(M) | 11K | — | $0 |
| Dec 31, 2025 | Renninger Robert | Chief Financial Officer | Option exercise(M) | 1K | — | $0 |
| Dec 31, 2025 | Litton Mark James | President and CEO, Director | Option exercise(M) | 11K | — | $0 |
| Dec 31, 2025 | Worthington Mark | General Counsel and CCO | Option exercise(M) | 4K | — | $0 |
| Dec 31, 2025 | Worthington Mark | General Counsel and CCO | Option exercise(M) | 4K | — | $0 |
| Dec 31, 2025 | San Martin Javier | CHIEF MEDICAL OFFICER | Option exercise(M) | 5K | — | $0 |
| Dec 31, 2025 | San Martin Javier | CHIEF MEDICAL OFFICER | Option exercise(M) | 5K | — | $0 |
| Dec 31, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 4K | — | $0 |
| Dec 24, 2025 | Renninger Robert | Chief Financial Officer | Grant(A) | 34K | — | $0 |
| Dec 24, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Grant(A) | 35K | — | $0 |
| Dec 24, 2025 | Worthington Mark | General Counsel and CCO | Grant(A) | 34K | — | $0 |
| Dec 24, 2025 | San Martin Javier | CHIEF MEDICAL OFFICER | Grant(A) | 45K | — | $0 |
| Dec 24, 2025 | Litton Mark James | President and CEO, Director | Grant(A) | 134K | — | $0 |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 1.4M | $6.35 | $8.7M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 989K | $6.35 | $6.3M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 1.3M | $6.35 | $8.1M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 3.8M | $6.35 | $24.4M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 3.5M | $6.35 | $22.5M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 458K | $6.35 | $2.9M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 1.2M | $6.35 | $7.5M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 330K | $6.35 | $2.1M |
| Dec 23, 2025 | Perceptive Advisors LLC | Director, 10% Owner | Grant(A) | 5.5M | — | — |
| Nov 18, 2025 | Renninger Robert | Chief Financial Officer | Grant(A) | 1K | $2.31 | $2K |
| Nov 18, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Grant(A) | 1K | $2.31 | $2K |
| Jul 1, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Sell(S) | 9K | $0.29 | $2K |
| Jul 1, 2025 | Litton Mark James | President and CEO, Director | Sell(S) | 25K | $0.29 | $7K |
| Jul 1, 2025 | San Martin Javier | CHIEF MEDICAL OFFICER | Sell(S) | 11K | $0.29 | $3K |
| Jul 1, 2025 | Worthington Mark | General Counsel and CCO | Sell(S) | 9K | $0.29 | $2K |
| Jul 1, 2025 | Renninger Robert | SVP, Finance and Accounting | Sell(S) | 3K | $0.29 | $840 |
| Jun 30, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 37K | — | $0 |
| Jun 30, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 37K | — | $0 |
| Jun 30, 2025 | San Martin Javier | CHIEF MEDICAL OFFICER | Option exercise(M) | 47K | — | $0 |
| Jun 30, 2025 | Litton Mark James | President and CEO, Director | Option exercise(M) | 108K | — | $0 |
| Jun 30, 2025 | Litton Mark James | President and CEO, Director | Option exercise(M) | 108K | — | $0 |
| Jun 30, 2025 | Renninger Robert | SVP, Finance and Accounting | Option exercise(M) | 12K | — | $0 |
| Jun 30, 2025 | San Martin Javier | CHIEF MEDICAL OFFICER | Option exercise(M) | 47K | — | $0 |
| Jun 30, 2025 | Worthington Mark | General Counsel and CCO | Option exercise(M) | 37K | — | $0 |
| Jun 30, 2025 | Renninger Robert | SVP, Finance and Accounting | Option exercise(M) | 12K | — | $0 |
| Jun 30, 2025 | Worthington Mark | General Counsel and CCO | Option exercise(M) | 37K | — | $0 |
| May 30, 2025 | Pickering Grant | Director | Grant(A) | 21K | — | $0 |
| May 30, 2025 | Fluke John M JR | Director | Grant(A) | 21K | — | $0 |
| May 30, 2025 | Romano Kelly A | Director | Grant(A) | 21K | — | $0 |
| May 30, 2025 | Panzara Michael A. | Director | Grant(A) | 21K | — | $0 |
| May 30, 2025 | Johnson James A | Director | Grant(A) | 21K | — | $0 |
| May 30, 2025 | Edelman Joseph | Director | Grant(A) | 21K | — | $0 |
| May 30, 2025 | Kosacz Barbara | Director | Grant(A) | 21K | — | $0 |
| May 19, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Grant(A) | 10K | $0.23 | $2K |
| May 19, 2025 | Renninger Robert | SVP, Finance and Accounting | Grant(A) | 10K | $0.23 | $2K |
| Mar 3, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Grant(A) | 59K | — | $0 |
| Mar 3, 2025 | Renninger Robert | SVP, Finance and Accounting | Grant(A) | 73K | — | $0 |
| Mar 3, 2025 | Church Kevin | CHIEF SCIENTIFIC OFFICER | Grant(A) | 88K | — | $0 |
| Mar 3, 2025 | Litton Mark James | President and CEO, Director | Grant(A) | 334K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: LeonaBio, Inc., SEC CIK 0001620463. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under LONA and shows every filing by that issuer (also filed as ATHA).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-05. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for LONA