Open-mkt buys · 90d
—
0 trades · 0 insiders
Open-mkt sales · 90d
$3.25M
14 trades · 2 insiders
Net · 90d
$-3.25M
Insiders on file
14
Daily buy vs sell · 90 days
■ Open-market buys (P) ■ Open-market sales (S) · daily dollar value by transaction date
Insiders
| Insider | Role | Trades | Bought | Sold | Last trade |
|---|---|---|---|---|---|
| Lantheus Alpha Therapy, LLC | 10% Owner | 10 | $57.41M | $2.40M | 2026-09-04 |
| Lantheus Holdings, Inc. | 10% Owner | 5 | $0 | $845.2K | 2026-09-02 |
| Puhlmann Markus | Chief Medical Officer | 8 | $328.2K | $0 | 2026-03-02 |
| Martinez Maria E | Director | 2 | $0 | $0 | 2026-03-02 |
| Morich Frank | Director | 4 | $0 | $0 | 2026-03-02 |
| Spoor Johan M. | Chief Executive Officer | 11 | $307.2K | $0 | 2026-03-02 |
| Williamson Robert F III | Director | 29 | $493.5K | $0 | 2026-03-02 |
| Woods Lori A | Director | 10 | $200.0K | $0 | 2026-03-02 |
| Hunt Jonathan Robert | Chief Financial Officer | 13 | $156.5K | $0 | 2026-03-02 |
| HENSON HEIDI | Director | 7 | $100.0K | $0 | 2026-03-02 |
| Sendek Joel | Chief Financial Officer | 1 | $0 | $0 | 2025-09-04 |
| Graham Juan | Chief Financial Officer | 2 | $75.0K | $0 | 2025-03-28 |
| Austin Mark John | VP Finance/Prin Fin&Acct Offic | 4 | $0 | $0 | 2024-07-17 |
| Streeter Jennifer | COO & VP of HR | 1 | $0 | $0 | 2023-06-12 |
Trade history
| Insider | Role | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|---|
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-09-04 | 2026-09-08 | 167,149 | $3.15 | $526.5K | 11,273,364 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-09-04 | 2026-09-08 | 167,149 | $3.15 | $526.1K | 11,273,364 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-09-03 | 2026-09-08 | 80,783 | $3.11 | $251.2K | 11,440,513 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-09-03 | 2026-09-08 | 80,783 | $3.11 | $250.9K | 11,440,513 | SEC↗ |
| Lantheus Holdings, Inc. | 10% Owner | S Sale | 2026-09-02 | 2026-09-04 | 42,129 | $3.11 | $131.0K | 11,521,296 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-09-02 | 2026-09-04 | 42,129 | $3.11 | $131.2K | 11,521,296 | SEC↗ |
| Lantheus Holdings, Inc. | 10% Owner | S Sale | 2026-09-01 | 2026-09-03 | 35,769 | $3.12 | $111.6K | 11,563,425 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-09-01 | 2026-09-04 | 35,769 | $3.12 | $111.6K | 11,563,425 | SEC↗ |
| Lantheus Holdings, Inc. | 10% Owner | S Sale | 2026-09-01 | 2026-09-03 | 35,769 | $3.12 | $111.6K | 11,563,425 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-09-01 | 2026-09-04 | 35,769 | $3.12 | $111.6K | 11,563,425 | SEC↗ |
| Lantheus Holdings, Inc. | 10% Owner | S Sale | 2026-08-31 | 2026-09-02 | 78,145 | $3.14 | $245.4K | 11,599,194 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-08-31 | 2026-09-04 | 78,145 | $3.14 | $245.4K | 11,599,194 | SEC↗ |
| Lantheus Holdings, Inc. | 10% Owner | S Sale | 2026-08-31 | 2026-09-02 | 78,145 | $3.14 | $245.6K | 11,599,194 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | S Sale | 2026-08-31 | 2026-09-04 | 78,145 | $3.14 | $245.6K | 11,599,194 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | A Award deriv | 2026-03-02 | 2026-03-04 | 150,000 | — | $0 | 150,000 | SEC↗ |
| Hunt Jonathan Robert | Chief Accounting Officer | A Award deriv | 2026-03-02 | 2026-03-04 | 90,000 | — | $0 | 90,000 | SEC↗ |
| Spoor Johan M. | Chief Executive Officer | A Award deriv | 2026-03-02 | 2026-03-04 | 735,000 | — | $0 | 735,000 | SEC↗ |
| Woods Lori A | Director | A Award deriv | 2026-03-02 | 2026-03-04 | 50,000 | — | $0 | 50,000 | SEC↗ |
| HENSON HEIDI | Director | A Award deriv | 2026-03-02 | 2026-03-04 | 50,000 | — | $0 | 50,000 | SEC↗ |
| Williamson Robert F III | Director | A Award deriv | 2026-03-02 | 2026-03-04 | 50,000 | — | $0 | 50,000 | SEC↗ |
| Morich Frank | Director | A Award deriv | 2026-03-02 | 2026-03-04 | 50,000 | — | $0 | 50,000 | SEC↗ |
| Martinez Maria E | Director | A Award deriv | 2026-03-02 | 2026-03-04 | 50,000 | — | $0 | 50,000 | SEC↗ |
| Hunt Jonathan Robert | Chief Accounting Officer | P Buy | 2025-11-13 | 2025-11-17 | 11,000 | $2.03 | $22.3K | 59,800 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2025-11-12 | 2025-11-14 | 9,498 | $2.10 | $19.9K | 9,864 | SEC↗ |
| Sendek Joel | Chief Financial Officer | A Award deriv | 2025-09-04 | 2025-09-05 | 600,000 | — | $0 | 600,000 | SEC↗ |
| Martinez Maria E | Director | A Award deriv | 2025-09-03 | 2025-09-05 | 75,000 | — | $0 | 75,000 | SEC↗ |
| Woods Lori A | Director | P Buy | 2025-03-31 | 2025-04-01 | 23,475 | $2.13 | $50.0K | 183,460 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2025-03-31 | 2025-04-01 | 38,145 | $2.14 | $81.6K | 108,982 | SEC↗ |
| Graham Juan | Chief Financial Officer | P Buy | 2025-03-28 | 2025-04-01 | 33,333 | $2.25 | $75.0K | 35,354 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2025-03-28 | 2025-04-01 | 22,192 | $2.27 | $50.4K | 70,837 | SEC↗ |
| Spoor Johan M. | Chief Executive Officer | P Buy | 2025-03-28 | 2025-04-01 | 22,026 | $2.24 | $49.3K | 59,383 | SEC↗ |
| Spoor Johan M. | Chief Executive Officer | P Buy | 2025-03-28 | 2025-04-01 | 4,650 | $2.21 | $10.3K | 4,650 | SEC↗ |
| Woods Lori A | Director | A Award deriv | 2025-03-03 | 2025-03-05 | 50,000 | — | $0 | 50,000 | SEC↗ |
| Morich Frank | Director | A Award deriv | 2025-03-03 | 2025-03-05 | 50,000 | — | $0 | 50,000 | SEC↗ |
| Williamson Robert F III | Director | A Award deriv | 2025-03-03 | 2025-03-05 | 50,000 | — | $0 | 50,000 | SEC↗ |
| HENSON HEIDI | Director | A Award deriv | 2025-03-03 | 2025-03-05 | 50,000 | — | $0 | 50,000 | SEC↗ |
| Spoor Johan M. | Chief Executive Officer | A Award deriv | 2025-03-03 | 2025-03-05 | 650,000 | — | $0 | 650,000 | SEC↗ |
| Hunt Jonathan Robert | Chief Accounting Officer | A Award deriv | 2025-03-03 | 2025-03-05 | 75,000 | — | $0 | 75,000 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | A Award deriv | 2025-03-03 | 2025-03-05 | 165,000 | — | $0 | 165,000 | SEC↗ |
| Graham Juan | Chief Financial Officer | A Award deriv | 2025-01-06 | 2025-01-07 | 400,000 | — | $0 | 400,000 | SEC↗ |
| Spoor Johan M. | CEO | P Buy | 2024-12-04 | 2024-12-04 | 8,000 | $3.77 | $30.2K | 36,257 | SEC↗ |
| HENSON HEIDI | Director | P Buy | 2024-12-04 | 2024-12-06 | 25,975 | $3.85 | $100.0K | 25,975 | SEC↗ |
| Spoor Johan M. | CEO | P Buy | 2024-11-25 | 2024-11-26 | 5,400 | $3.80 | $20.5K | 5,400 | SEC↗ |
| Spoor Johan M. | CEO | P Buy | 2024-11-25 | 2024-11-26 | 14,500 | $3.78 | $54.8K | 152,072 | SEC↗ |
| Spoor Johan M. | CEO | P Buy | 2024-11-25 | 2024-11-26 | 6,600 | $3.80 | $25.1K | 66,600 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2024-11-25 | 2024-11-27 | 29 | $3.94 | $114 | 36,400 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2024-11-25 | 2024-11-27 | 400 | $3.55 | $1.4K | 36,371 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2024-11-25 | 2024-11-27 | 2,400 | $3.60 | $8.6K | 38,800 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2024-11-25 | 2024-11-27 | 10,000 | $3.88 | $38.8K | 48,800 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-11-25 | 2024-11-27 | 2,619 | $3.67 | $9.6K | 430,058 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-11-25 | 2024-11-27 | 3,647 | $3.62 | $13.2K | 427,439 | SEC↗ |
| Austin Mark John | VP Finance/Prin Fin&Acct Off | A Award deriv | 2024-07-17 | 2024-07-19 | 34,500 | — | $0 | 34,500 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | A Award deriv | 2024-06-20 | 2024-06-24 | 100,000 | — | $0 | 100,000 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | A Award deriv | 2024-06-20 | 2024-06-24 | 150,000 | — | $0 | 150,000 | SEC↗ |
| Spoor Johan M. | CEO | A Award deriv | 2024-06-20 | 2024-06-24 | 500,000 | — | $0 | 500,000 | SEC↗ |
| HENSON HEIDI | Director | A Award deriv | 2024-06-20 | 2024-06-24 | 23,000 | — | $0 | 23,000 | SEC↗ |
| Woods Lori A | Director | A Award deriv | 2024-06-20 | 2024-06-24 | 23,000 | — | $0 | 23,000 | SEC↗ |
| Morich Frank | Director | A Award deriv | 2024-06-20 | 2024-06-24 | 23,000 | — | $0 | 23,000 | SEC↗ |
| Williamson Robert F III | Director | A Award deriv | 2024-06-20 | 2024-06-24 | 23,000 | — | $0 | 23,000 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2024-06-17 | 2024-06-18 | 1,800 | $9.82 | $17.7K | 35,971 | SEC↗ |
| Woods Lori A | Director | P Buy | 2024-06-14 | 2024-06-18 | 83 | $10.80 | $896 | 159,985 | SEC↗ |
| Woods Lori A | Director | P Buy | 2024-06-14 | 2024-06-18 | 4,504 | $10.90 | $49.1K | 159,902 | SEC↗ |
| Spoor Johan M. | CEO | P Buy | 2024-06-13 | 2024-06-13 | 100,000 | $1.17 | $117.0K | 137,572 | SEC↗ |
| Woods Lori A | Director | P Buy | 2024-06-03 | 2024-06-04 | 34,246 | $1.46 | $50.0K | 1,553,984 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-05-31 | 2024-06-03 | 55,000 | $1.38 | $75.9K | 423,792 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2024-05-31 | 2024-06-03 | 12,000 | $1.40 | $16.8K | 341,716 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2024-05-31 | 2024-06-03 | 13,006 | $1.40 | $18.2K | 329,716 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-05-29 | 2024-05-30 | 18,656 | $1.34 | $25.0K | 368,792 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-05-29 | 2024-05-30 | 11,375 | $1.32 | $15.0K | 350,136 | SEC↗ |
| Austin Mark John | VP Finance/Prin Fin&Acct Off | M Exercise deriv | 2024-04-23 | 2024-04-24 | 30,000 | — | $0 | 120,000 | SEC↗ |
| Austin Mark John | VP Finance/Prin Fin&Acct Off | M Exercise | 2024-04-23 | 2024-04-24 | 30,000 | $0.36 | $10.8K | 84,030 | SEC↗ |
| Lantheus Alpha Therapy, LLC | 10% Owner | P Buy | 2024-03-06 | 2024-03-08 | 60,431,039 | $0.95 | $57.41M | 116,773,394 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-30 | 2024-02-01 | 3,500 | $0.70 | $2.5K | 338,761 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-30 | 2024-02-01 | 18,579 | $0.71 | $13.2K | 230,134 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-30 | 2024-02-01 | 5,127 | $0.71 | $3.6K | 235,261 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-30 | 2024-02-01 | 57,121 | $0.71 | $40.6K | 292,382 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-30 | 2024-02-01 | 42,879 | $0.72 | $30.9K | 335,261 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-29 | 2024-01-30 | 4,031 | $0.64 | $2.6K | 190,320 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-29 | 2024-01-30 | 21,235 | $0.64 | $13.6K | 211,555 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-26 | 2024-01-30 | 14,850 | $0.61 | $9.1K | 102,776 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-26 | 2024-01-30 | 12,250 | $0.61 | $7.5K | 87,926 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-26 | 2024-01-30 | 50,000 | $0.54 | $27.0K | 186,289 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-26 | 2024-01-30 | 25,000 | $0.55 | $13.8K | 136,289 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-26 | 2024-01-30 | 8,513 | $0.59 | $5.0K | 111,289 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-25 | 2024-01-26 | 22,134 | $0.49 | $10.8K | 75,676 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2024-01-24 | 2024-01-26 | 29,862 | $0.49 | $14.6K | 53,542 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | P Buy | 2024-01-24 | 2024-01-26 | 280,000 | $0.50 | $140.0K | 1,375,425 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2023-12-21 | 2023-12-26 | 3,663 | $0.33 | $1.2K | 3,663 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | P Buy | 2023-12-19 | 2023-12-19 | 400,000 | $0.34 | $136.0K | 1,095,425 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2023-12-19 | 2023-12-19 | 13,680 | $0.32 | $4.4K | 23,680 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | P Buy | 2023-12-18 | 2023-12-19 | 60,419 | $0.26 | $15.7K | 695,425 | SEC↗ |
| Williamson Robert F III | Director | P Buy | 2023-12-18 | 2023-12-19 | 10,000 | $0.26 | $2.6K | 10,000 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | P Buy | 2023-12-18 | 2023-12-19 | 125,000 | $0.26 | $32.5K | 316,710 | SEC↗ |
| Woods Lori A | Director | P Buy | 2023-12-15 | 2023-12-18 | 152,962 | $0.27 | $41.3K | 1,519,738 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | P Buy | 2023-12-15 | 2023-12-19 | 135,006 | $0.27 | $36.5K | 635,006 | SEC↗ |
| Woods Lori A | Director | P Buy | 2023-12-14 | 2023-12-18 | 32,238 | $0.27 | $8.7K | 1,366,776 | SEC↗ |
| Woods Lori A | Director | A Award deriv | 2023-12-12 | 2023-12-14 | 230,000 | — | $0 | 2,412,500 | SEC↗ |
| HENSON HEIDI | Director | A Award deriv | 2023-12-12 | 2023-12-14 | 230,000 | — | $0 | 930,000 | SEC↗ |
| Williamson Robert F III | Director | A Award deriv | 2023-12-12 | 2023-12-14 | 230,000 | — | $0 | 930,000 | SEC↗ |
| Morich Frank | Director | A Award deriv | 2023-12-12 | 2023-12-14 | 230,000 | — | $0 | 2,037,471 | SEC↗ |
| Hunt Jonathan Robert | Chief Financial Officer | A Award deriv | 2023-12-12 | 2023-12-14 | 1,248,776 | — | $0 | 2,527,429 | SEC↗ |
| Spoor Johan M. | CEO | A Award deriv | 2023-12-12 | 2023-12-14 | 3,338,878 | — | $0 | 11,793,635 | SEC↗ |
| Puhlmann Markus | Chief Medical Officer | A Award deriv | 2023-12-12 | 2023-12-14 | 1,477,619 | — | $0 | 2,885,688 | SEC↗ |
| Austin Mark John | VP Finance/Prin Fin&Acct Off | A Award deriv | 2023-06-12 | 2023-06-14 | 225,000 | — | $0 | 773,115 | SEC↗ |
| Streeter Jennifer | COO & VP of HR | A Award deriv | 2023-06-12 | 2023-06-14 | 500,000 | — | $0 | 1,722,500 | SEC↗ |
| HENSON HEIDI | Director | A Award deriv | 2023-06-02 | 2023-06-06 | 230,000 | — | $0 | 700,000 | SEC↗ |
| HENSON HEIDI | Director | A Award deriv | 2023-06-02 | 2023-06-06 | 470,000 | — | $0 | 470,000 | SEC↗ |