15 transactions by 10 insiders, from March 2, 2026 to September 4, 2026.
People inside the company. What they do with their own shares is the reason this data exists.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Lori A. WoodsDir | 1 | — | — | — |
| Robert F. Williamson IIIDir | 1 | — | — | — |
| Heidi HensonDir | 1 | — | — | — |
| Frank MorichDir | 1 | — | — | — |
| Maria E. MartinezDir | 1 | — | — | — |
| Markus PuhlmannCMO | 1 | — | — | — |
| Johan M. SpoorCEO | 1 | — | — | — |
| Jonathan Robert HuntCAO | 1 | — | — | — |
Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Lantheus Alpha Therapy, LLC10% | 5 | — | — | $1.3M |
| Lantheus Holdings, Inc.10% | 2 | — | — | $357K |
15 in total, newest filings first.
| Insider | Date | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| Lantheus Alpha Therapy, LLC10%JOINT | Sep 4 | S | 167,149 | $3.15 | $526K |
| Lantheus Alpha Therapy, LLC10%JOINT | Sep 3 | S | 80,783 | $3.11 | $251K |
| Lantheus Alpha Therapy, LLC10%JOINT | Sep 2 | S | 42,129 | $3.11 | $131K |
| Lantheus Alpha Therapy, LLC10% | Sep 1 | S | 35,769 | $3.12 | $112K |
| Lantheus Alpha Therapy, LLC10% | Aug 31 | S | 78,145 | $3.14 | $246K |
| Lantheus Holdings, Inc.10% | Sep 1 | S | 35,769 | $3.12 | $112K |
| Lantheus Holdings, Inc.10% | Aug 31 | S | 78,145 | $3.14 | $246K |
| Markus PuhlmannCMODERIV | Mar 2 | A | 150,000 | $0.00 | —? |
| Johan M. SpoorCEODERIV | Mar 2 | A | 735,000 | $0.00 | —? |
| Robert F. Williamson IIIDirDERIV | Mar 2 | A | 50,000 | $0.00 | —? |
| Lori A. WoodsDirDERIV | Mar 2 | A | 50,000 | $0.00 | —? |
| Frank MorichDirDERIV | Mar 2 | A | 50,000 | $0.00 | —? |
| Maria E. MartinezDirDERIV | Mar 2 | A | 50,000 | $0.00 | —? |
| Jonathan Robert HuntCAODERIV | Mar 2 | A | 90,000 | $0.00 | —? |
| Heidi HensonDirDERIV | Mar 2 | A | 50,000 | $0.00 | —? |