LeonaBio, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | — | Award / Grant | 329,756 | $6.35 | $2,093,951 | 329,756 | Dec 23, 2025 |
| CHURCH KEVIN | CHIEF SCIENTIFIC OFFICER | Option Exercise | 36,666 | — | — | 177,427 | Jul 1, 2025 |
| Litton Mark James | President and CEO | Option Exercise | 108,334 | — | — | 350,925 | Jul 1, 2025 |
| Renninger Robert | SVP, Finance and Accounting | Option Exercise | 12,359 | — | — | 112,083 | Jul 1, 2025 |
| San Martin Javier | CHIEF MEDICAL OFFICER | Sale | 10,842 | $0.29 | $3,144 | 71,665 | Jun 30, 2025 |
| Worthington Mark | General Counsel and CCO | Sale | 8,526 | $0.29 | $2,473 | 111,875 | Jun 30, 2025 |
| San Martin Javier | CHIEF MEDICAL OFFICER | Option Exercise | 46,667 | — | — | 46,667 | Jan 2, 2025 |
| Litton Mark James | President and CEO | Option Exercise | 108,333 | — | — | 267,698 | Jan 2, 2025 |
| CHURCH KEVIN | CHIEF SCIENTIFIC OFFICER | Option Exercise | 36,667 | — | — | 139,271 | Jan 2, 2025 |
| Worthington Mark | General Counsel and CCO | Award / Grant | 3,651 | $0.55 | $2,008 | 55,578 | Jan 2, 2025 |
| Renninger Robert | VP of Finance | Sale | 2,881 | $0.56 | $1,613 | 89,724 | Nov 18, 2024 |
| Lenington Rachel | COO and CDO | Award / Grant | 10,000 | — | — | 23,395 | Sep 5, 2024 |
| Worthington Mark | GENERAL COUNSEL | Award / Grant | 10,000 | — | — | 54,452 | Sep 5, 2024 |
| Litton Mark James | President and CEO | Award / Grant | 20,000 | — | — | 164,397 | Sep 5, 2024 |
| Romano Kelly A | — | Purchase | 27,400 | $2.42 | $66,308 | 80,715 | Jun 21, 2024 |
| Gengos Andrew | CFO and Chief Business Officer | Award / Grant | 5,000 | — | — | 98,804 | May 20, 2024 |
| CHURCH KEVIN | CHIEF SCIENTIFIC OFFICER | Award / Grant | 10,000 | — | — | 95,209 | May 20, 2024 |
| Litton Mark James | CEO | Award / Grant | 20,000 | — | — | 149,217 | Jan 5, 2024 |
| CHURCH KEVIN | CHIEF SCIENTIFIC OFFICER | Award / Grant | 10,000 | — | — | 82,668 | Jan 5, 2024 |
| Lenington Rachel | Chief Operating Officer | Award / Grant | 10,000 | — | — | 15,807 | Jan 5, 2024 |
| Lenington Rachel | COO AND CDO | Sale | 2,412 | $2.91 | $7,019 | 13,395 | Jan 4, 2024 |
| Worthington Mark | GENERAL COUNSEL | Award / Grant | 7,767 | $2.41 | $18,718 | 26,864 | Jan 4, 2024 |
| Gengos Andrew | CFO AND CHIEF BUSINESS OFFICER | Sale | 1,208 | $2.91 | $3,515 | 83,804 | Jan 4, 2024 |
| MOEBIUS HANS | Chief Medical Officer | Award / Grant | 10,000 | — | — | 91,482 | Jan 4, 2024 |
| Litton Mark James | Chief Executive Officer | Sale | 4,820 | $2.91 | $14,026 | 144,397 | Jan 4, 2024 |
| EDELMAN JOSEPH | — | Purchase | 409,598 | $2.44 | $999,419 | 5,239,010 | Dec 27, 2023 |
| Gengos Andrew | See Below | Purchase | 2,859 | $3.40 | $9,721 | 68,293 | Jun 7, 2023 |
| Gengos Andrew | See Below | Purchase | 15,000 | $3.00 | $45,000 | 35,012 | Jun 2, 2023 |
| MOEBIUS HANS | Chief Medical Officer | Award / Grant | 7,764 | $2.41 | $18,711 | 73,600 | Jun 2, 2023 |
| Worthington Mark | General Counsel | Sale | 2,412 | $2.91 | $7,019 | 34,452 | May 18, 2023 |
| PICKERING GRANT | — | Purchase | 15,000 | $2.47 | $37,050 | 25,783 | Mar 29, 2023 |
| JOHNSON JAMES A | — | Purchase | 5,000 | $2.40 | $12,000 | 5,000 | Mar 29, 2023 |
| CHURCH KEVIN | Chief Scientific Officer | Option Exercise | 6,410 | $1.35 | $8,654 | 68,462 | Mar 24, 2023 |
| Gengos Andrew | See Below | Award / Grant | 5,000 | — | — | 85,012 | Jan 5, 2023 |
| CHURCH KEVIN | Chief Scientific Officer | Award / Grant | 3,397 | $1.34 | $4,552 | 72,668 | Jan 4, 2023 |
| Romano Kelly A | — | Purchase | 30,000 | $3.29 | $98,700 | 38,315 | Dec 2, 2022 |
| Litton Mark James | Chief Executive Officer | Award / Grant | 662 | $2.74 | $1,814 | 129,217 | Nov 18, 2022 |
| CHURCH KEVIN | Executive VP, Research | Award / Grant | 657 | $2.74 | $1,800 | 62,052 | Nov 18, 2022 |
| MILESON GLENNA | Chief Financial Officer | Purchase | 50,000 | $2.85 | $142,500 | 159,930 | Nov 18, 2022 |
| MOEBIUS HANS | Chief Medical Officer | Purchase | 5,000 | $3.29 | $16,450 | 65,836 | Nov 15, 2022 |
| CHURCH KEVIN | Executive VP, Research | Option Exercise | 3,700 | $1.35 | $4,995 | 61,395 | Oct 28, 2022 |
| MOEBIUS HANS | Chief Medical Officer | Option Exercise | 7,881 | $1.35 | $10,639 | 60,836 | Oct 13, 2022 |
| EDELMAN JOSEPH | — | Purchase | 1,101,362 | $2.99 | $3,293,072 | 4,797,278 | Jun 29, 2022 |
| MOEBIUS HANS | Chief Medical Officer | Purchase | 10,000 | $2.88 | $28,800 | 52,955 | Jun 28, 2022 |
| Lenington Rachel | Chief Operating Officer | Award / Grant | 10,000 | — | — | 10,000 | Jun 23, 2022 |
| CHURCH KEVIN | Executive VP, Research | Award / Grant | 10,000 | — | — | 60,309 | Jun 23, 2022 |
| Worthington Mark | General Counsel | Award / Grant | 3,396 | $7.06 | $23,976 | 11,711 | Jun 22, 2022 |
| MOEBIUS HANS | Chief Medical Officer | Award / Grant | 1,699 | $7.06 | $11,995 | 32,955 | Jun 22, 2022 |
| CHURCH KEVIN | Executive VP, Research | Award / Grant | 243 | $7.06 | $1,716 | 47,809 | Jun 8, 2022 |
| MILESON GLENNA | Chief Financial Officer | Award / Grant | 10,000 | — | — | 111,781 | May 18, 2022 |