SEC Form 4 · Updated Daily
LEXG
Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Wittouck Amaury | 10%+ Owner · Director | 175,156,062 | 2026-04-30 | M |
| Artal Participations S.a r.l. | 10%+ Owner · Director | 175,156,062 | 2026-04-30 | M |
| Artal International S.C.A. | 10%+ Owner · Director | 175,156,062 | 2026-04-30 | M |
| Artal International Management S.A. | 10%+ Owner · Director | 175,156,062 | 2026-04-30 | M |
| Artal Group S.A. | 10%+ Owner · Director | 175,156,062 | 2026-04-30 | M |
| Westend S.A. | 10%+ Owner · Director | 175,156,062 | 2026-04-30 | M |
| Stichting Administratiekantoor Westend | 10%+ Owner · Director | 175,156,062 | 2026-04-30 | M |
| Invus Global Management, LLC | 10%+ Owner · Director | 154,734,327 | 2026-02-02 | A |
| Siren, L.L.C. | 10%+ Owner · Director | 154,734,327 | 2026-02-02 | A |
| Invus Public Equities, L.P. | 10%+ Owner | 136,180,481 | 2024-05-10 | M |
| Invus Public Equities Advisors, LLC | 10%+ Owner | 136,180,481 | 2024-05-10 | M |
| Invus, L.P. | 10%+ Owner · Director | 136,180,481 | 2024-05-10 | M |
| Invus Advisors, L.L.C. | 10%+ Owner · Director | 136,180,481 | 2024-05-10 | M |
| Minne Pascal | 10%+ Owner · Director | 32,259,461 | 2020-12-16 | P |
| Artal Treasury Ltd | 10%+ Owner · Director | 32,259,461 | 2020-12-16 | P |
| Ulys, L.L.C. | 10%+ Owner · Director | 5,451,204 | 2022-08-05 | P |
| Invus US Partners LLC | 10%+ Owner · Director | 5,451,204 | 2022-08-05 | P |
| DEBBANE RAYMOND | Director | 1,995,498 | 2026-06-03 | M |
| Avicenna Life Sci Master GP LLC | 10%+ Owner · Director | 1,538,462 | 2026-02-02 | — |
| Avicenna Life Sci Master Fund LP | 10%+ Owner · Director | 1,538,462 | 2026-02-02 | — |
| COATS LONNEL | Director · Officer | 1,159,439 | 2024-02-28 | M |
| SANDS ARTHUR T | Director · Officer | 1,051,120 | 2014-02-28 | M |
| Crum Brian T | Officer | 533,821 | 2026-02-28 | M |
| Exton Michael | Director · Officer | 503,263 | 2026-02-28 | M |
| Granowitz Craig B | Officer | 432,528 | 2026-02-28 | M |
| MAIN ALAN J | Officer | 382,538 | 2025-02-28 | M |
| Amouyal Philippe | Director | 374,486 | 2026-06-03 | M |
| WADE JEFFREY L | Officer | 361,905 | 2024-02-28 | M |
| McDermott Wendy | Officer | 346,052 | 2026-02-28 | M |
| ZAMBROWICZ BRIAN P | Officer | 296,889 | 2014-02-28 | M |
| SOBECKI CHRISTOPHER J | Director | 293,177 | 2026-06-03 | M |
| BARKER SAM L | Director | 213,771 | 2026-06-03 | M |
| Kassler-Taub Kenneth B. | Officer | 187,025 | 2024-02-28 | M |
| Swain Judith L | Director | 174,486 | 2026-06-03 | M |
| Gopinathan Suma | Officer | 174,470 | 2026-02-28 | M |
| DeFrancesco Lisa | Officer | 168,441 | 2026-02-28 | M |
| Coiante Scott M | Officer | 160,237 | 2026-02-28 | M |
| TYLE PRAVEEN | Officer | 137,351 | 2021-02-28 | M |
| Sullivan Diane E. | Director | 126,122 | 2026-06-03 | M |
| Alexander Kristen | Officer | 94,230 | 2025-02-28 | M |
| Lapuerta Pablo | Officer | 92,532 | 2020-04-22 | A |
| Cheung Ivan | Director | 89,312 | 2026-06-03 | M |
| Tessmer James F | Officer | 83,766 | 2021-03-15 | M |
| Martens Rachel Yap | Officer | 67,090 | 2026-02-28 | M |
| Seth Kiernan | Officer | 64,949 | 2023-02-28 | M |
| Santini Alexander A | Officer | 62,397 | 2020-04-22 | A |
| GREGORY JULIA P | Officer | 57,400 | 2005-12-30 | S |
| LEFKOWITZ ROBERT J MD | Director | 48,364 | 2024-04-28 | M |
| NIES ALAN S | Director | 41,046 | 2023-05-21 | M |
| Palantoni Frank | Director | 40,332 | 2023-05-21 | M |
| BROWN PHILIP M | Officer | 27,306 | 2010-02-12 | F |
| ROSE CLAYTON STUART | Director | 25,000 | 2007-06-26 | P |
| Mills Barry | Director | 25,000 | 2006-08-18 | P |
| NORTHCOTT JOHN | Officer | 11,250 | 2015-03-02 | M |
| ISHIMOTO LANCE K | Officer | 10,200 | 2007-06-19 | M |
| Invus C.V. | 10%+ Owner · Director | 0 | 2020-12-31 | J |
| PIGGOTT JAMES R PHD | Officer | 0 | 2007-05-15 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-06-03 | DEBBANE RAYMOND | Option exercise (derivative) | 89,312 | $0.00 | 0 |
| 2026-06-03 | DEBBANE RAYMOND | Option exercise | 89,312 | $0.00 | 1,995,498 |
| 2026-06-03 | Amouyal Philippe | Option exercise (derivative) | 89,312 | $0.00 | 0 |
| 2026-06-03 | Amouyal Philippe | Option exercise | 89,312 | $0.00 | 374,486 |
| 2026-06-03 | BARKER SAM L | Option exercise (derivative) | 89,312 | $0.00 | 0 |
| 2026-06-03 | BARKER SAM L | Option exercise | 89,312 | $0.00 | 213,771 |
| 2026-06-03 | Cheung Ivan | Option exercise (derivative) | 89,312 | $0.00 | 0 |
| 2026-06-03 | Cheung Ivan | Option exercise | 89,312 | $0.00 | 89,312 |
| 2026-06-03 | SOBECKI CHRISTOPHER J | Option exercise (derivative) | 89,312 | $0.00 | 0 |
| 2026-06-03 | SOBECKI CHRISTOPHER J | Option exercise | 89,312 | $0.00 | 293,177 |
| 2026-06-03 | Sullivan Diane E. | Option exercise (derivative) | 89,312 | $0.00 | 0 |
| 2026-06-03 | Sullivan Diane E. | Option exercise | 89,312 | $0.00 | 126,122 |
| 2026-06-03 | Swain Judith L | Option exercise (derivative) | 89,312 | $0.00 | 0 |
| 2026-06-03 | Swain Judith L | Option exercise | 89,312 | $0.00 | 174,486 |
| 2026-05-01 | DEBBANE RAYMOND | Grant / award (derivative) | 43,478 | $0.00 | 43,478 |
| 2026-05-01 | DEBBANE RAYMOND | Grant / award (derivative) | 35,714 | $0.00 | 35,714 |
| 2026-05-01 | Sullivan Diane E. | Grant / award (derivative) | 43,478 | $0.00 | 43,478 |
| 2026-05-01 | Sullivan Diane E. | Grant / award (derivative) | 35,714 | $0.00 | 35,714 |
| 2026-05-01 | Swain Judith L | Grant / award (derivative) | 43,478 | $0.00 | 43,478 |
| 2026-05-01 | Swain Judith L | Grant / award (derivative) | 35,714 | $0.00 | 35,714 |
| 2026-05-01 | Cheung Ivan | Grant / award (derivative) | 43,478 | $0.00 | 43,478 |
| 2026-05-01 | Cheung Ivan | Grant / award (derivative) | 35,714 | $0.00 | 35,714 |
| 2026-05-01 | BARKER SAM L | Grant / award (derivative) | 43,478 | $0.00 | 43,478 |
| 2026-05-01 | BARKER SAM L | Grant / award (derivative) | 35,714 | $0.00 | 35,714 |
| 2026-05-01 | SOBECKI CHRISTOPHER J | Grant / award (derivative) | 43,478 | $0.00 | 43,478 |
| 2026-05-01 | SOBECKI CHRISTOPHER J | Grant / award (derivative) | 35,714 | $0.00 | 35,714 |
| 2026-05-01 | Amouyal Philippe | Grant / award (derivative) | 43,478 | $0.00 | 43,478 |
| 2026-05-01 | Amouyal Philippe | Grant / award (derivative) | 35,714 | $0.00 | 35,714 |
| 2026-04-30 | Wittouck Amaury | Option exercise (derivative) | 408,434.7 | $0.00 | 0 |
| 2026-04-30 | Wittouck Amaury | Grant / award (derivative) | 408,434.7 | — | 408,434.7 |
| 2026-04-30 | Wittouck Amaury | Option exercise | 20,421,735 | $0.00 | 175,156,062 |
| 2026-04-30 | Stichting Administratiekantoor Westend | Option exercise (derivative) | 408,434.7 | $0.00 | 0 |
| 2026-04-30 | Stichting Administratiekantoor Westend | Grant / award (derivative) | 408,434.7 | — | 408,434.7 |
| 2026-04-30 | Stichting Administratiekantoor Westend | Option exercise | 20,421,735 | $0.00 | 175,156,062 |
| 2026-04-30 | Westend S.A. | Option exercise (derivative) | 408,434.7 | $0.00 | 0 |
| 2026-04-30 | Westend S.A. | Grant / award (derivative) | 408,434.7 | — | 408,434.7 |
| 2026-04-30 | Westend S.A. | Option exercise | 20,421,735 | $0.00 | 175,156,062 |
| 2026-04-30 | Artal Group S.A. | Option exercise (derivative) | 408,434.7 | $0.00 | 0 |
| 2026-04-30 | Artal Group S.A. | Grant / award (derivative) | 408,434.7 | — | 408,434.7 |
| 2026-04-30 | Artal Group S.A. | Option exercise | 20,421,735 | $0.00 | 175,156,062 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.