Lantheus Holdings, Inc. (LNTH) has 186 open-market insider trades by 29 insiders since 2016. The most active filer is Mary Anne Heino, CEO & Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| David F. Burgstahler | Dir | — | 21 | $253.7M | 2017-09-07 |
| Mark C. Wehrly | — | — | 1 | $191.2M | 2025-08-20 |
| Joshua J. Dapice | 10% Owner | — | 1 | $191.2M | 2025-08-20 |
| Sriram Venkataraman | Dir10% Owner | — | 2 | $85.5M | 2017-03-17 |
| Avista Capital Partners (Offshore), L.P. | 10% Owner | — | 2 | $61.1M | 2017-06-20 |
| ACP-Lantern Co-Invest, LLC | 10% Owner | — | 1 | $26.4M | 2017-03-17 |
| Mary Anne Heino | CEOChairman | — | 32 | $24.7M | 2026-05-14 |
| Brian A. Markison | Dir | — | 16 | $6.5M | 2025-03-05 |
| Robert J. Marshall Jr. | CFOTreasurer | — | 13 | $5.2M | 2026-08-31 |
| Etienne Montagut | — | — | 9 | $4.4M | 2024-03-05 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Mark C. Wehrly | — | Sell | $191.2M | 2025-08-19 |
| Paul Blanchfield | President | Sell | $328K | 2025-08-13 |
| Daniel Niedzwiecki | — | Sell | $945K | 2025-06-13 |
| Julie McHugh | Director | Sell | $848K | 2025-06-09 |
| Robert J. Marshall Jr. | CFO & Treasurer | Sell | $6.6M | 2025-06-09 |
| Daniel Niedzwiecki | — | Sell | $956K | 2025-06-05 |
Companies that share insiders with LNTH, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Paul Blanchfield | President | Sell | $1.1M | 2025-06-05 |
| Mary Anne Heino | Director | Sell | $4.0M | 2025-06-02 |
| Robert J. Marshall Jr. | CFO & Treasurer | Sell | $1.0M | 2025-03-17 |
| Paul Blanchfield | President | Sell | $204K | 2025-03-05 |
| Mary Anne Heino | Director | Sell | $10.0M | 2025-03-03 |
| James H. Thrall | Director | Sell | $95K | 2025-01-15 |
| Robert J. Marshall Jr. | CFO & Treasurer | Sell | $812K | 2024-11-15 |
| Paul Blanchfield | President | Sell | $159K | 2024-11-14 |
| Mary Anne Heino | Director | Sell | $1.6M | 2024-11-08 |