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| Date | Insider | Title | Type | Price | Shares | Value | Owned After |
|---|---|---|---|---|---|---|---|
| Sep 3, 26 | Lantheus Alpha Therapy, LLC | 10 percent owner | Sale | $3.11 | 80.78K | $250.90K | 11.44M |
| Sep 4, 26 | Lantheus Alpha Therapy, LLC | 10 percent owner | Sale | $3.15 | 167.15K | $526.05K | 11.27M |
| Sep 2, 26 | Lantheus Alpha Therapy, LLC | 10 percent owner | Sale | $3.11 | 42.13K | $131.22K | 11.52M |
| Aug 31, 26 | Lantheus Alpha Therapy, LLC | 10 percent owner | Sale | $3.14 | 78.14K | $245.61K | 11.60M |
| Sep 1, 26 | Lantheus Alpha Therapy, LLC | 10 percent owner | Sale | $3.12 | 35.77K | $111.57K | 11.56M |
| Sep 1, 26 | Lantheus Holdings, Inc. | 10 percent owner | Sale | $3.12 | 35.77K | $111.57K | 11.56M |
| Aug 31, 26 | Lantheus Holdings, Inc. | 10 percent owner | Sale | $3.14 | 78.14K | $245.61K | 11.60M |
| Mar 2, 26 | Martinez Maria E | CTO | Purchase | $5.35 | 50.00K | $267.50K | 50.00K |
| Mar 2, 26 | Morich Frank | CTO | Purchase | $5.35 | 50.00K | $267.50K | 50.00K |
| Mar 2, 26 | Williamson Robert F III | CTO | Purchase | $5.35 | 50.00K | $267.50K | 50.00K |
| Mar 2, 26 | HENSON HEIDI | CTO | Purchase | $5.35 | 50.00K | $267.50K | 50.00K |
| Mar 2, 26 | Woods Lori A | CTO | Purchase | $5.35 | 50.00K | $267.50K | 50.00K |
| Mar 2, 26 | Spoor Johan M. | CEO | Purchase | $5.35 | 735.00K | $3.93M | 735.00K |
| Mar 2, 26 | Hunt Jonathan Robert | Officer | Purchase | $5.35 | 90.00K | $481.50K | 90.00K |
| Mar 2, 26 | Puhlmann Markus | Officer | Purchase | $5.35 | 150.00K | $802.50K | 150.00K |
| Nov 13, 25 | Hunt Jonathan Robert | Officer | Purchase | $2.03 | 11.00K | $22.29K | 59.80K |
| Nov 12, 25 | Williamson Robert F III | CTO | Purchase | $2.10 | 9.50K | $19.95K | 9.86K |
| Sep 4, 25 | Sendek Joel | CFO | Purchase | $3.54 | 600.00K | $2.12M | 600.00K |
| Sep 4, 25 | Sendek Joel | -- | Sale | -- | -- | -- | -- |
| Sep 3, 25 | Martinez Maria E | CTO | Purchase | $3.38 | 75.00K | $253.50K | 75.00K |
| Sep 3, 25 | Martinez Maria E | -- | Sale | -- | -- | -- | -- |
| Mar 28, 25 | Spoor Johan M. | CEO | Purchase | $2.24 | 22.03K | $49.38K | 59.38K |
| Mar 28, 25 | Spoor Johan M. | CEO | Purchase | $2.21 | 4.65K | $10.29K | 4.65K |
| Mar 31, 25 | Williamson Robert F III | CTO | Purchase | $2.14 | 38.15K | $81.78K | 108.98K |
| Mar 28, 25 | Williamson Robert F III | CTO | Purchase | $2.27 | 22.19K | $50.38K | 70.84K |
| Mar 28, 25 | Graham Juan | CFO | Purchase | $2.25 | 33.33K | $74.95K | 35.35K |
| Mar 31, 25 | Woods Lori A | CTO | Purchase | $2.13 | 23.48K | $50.00K | 183.46K |
| Mar 3, 25 | Puhlmann Markus | Officer | Purchase | $2.46 | 165.00K | $405.90K | 165.00K |
| Mar 3, 25 | Hunt Jonathan Robert | Officer | Purchase | $2.46 | 75.00K | $184.50K | 75.00K |
| Mar 3, 25 | Spoor Johan M. | CEO | Purchase | $2.46 | 650.00K | $1.60M | 650.00K |
| Mar 3, 25 | HENSON HEIDI | CTO | Purchase | $2.46 | 50.00K | $123.00K | 50.00K |
| Mar 3, 25 | Williamson Robert F III | CTO | Purchase | $2.46 | 50.00K | $123.00K | 50.00K |
| Mar 3, 25 | Morich Frank | CTO | Purchase | $2.46 | 50.00K | $123.00K | 50.00K |
| Mar 3, 25 | Woods Lori A | CTO | Purchase | $2.46 | 50.00K | $123.00K | 50.00K |
| Jan 6, 25 | Graham Juan | CFO | Purchase | $3.53 | 400.00K | $1.41M | 400.00K |
| Jan 6, 25 | Graham Juan | CFO | Sale | -- | -- | -- | 2.02K |
| Dec 4, 24 | HENSON HEIDI | CTO | Purchase | $3.85 | 25.98K | $100.00K | 25.98K |
| Dec 4, 24 | Spoor Johan M. | CEO | Purchase | $3.77 | 8.00K | $30.13K | 36.26K |
| Nov 25, 24 | Williamson Robert F III | -- | Sale | -- | -- | -- | -- |
| Nov 25, 24 | Spoor Johan M. | -- | Sale | -- | -- | -- | -- |
| Nov 25, 24 | Williamson Robert F III | CTO | Purchase | $3.67 | 2.62K | $9.61K | 430.06K |
| Nov 25, 24 | Williamson Robert F III | CTO | Purchase | $3.62 | 3.65K | $13.20K | 427.44K |
| Nov 25, 24 | Hunt Jonathan Robert | CFO | Purchase | $3.88 | 10.00K | $38.80K | 48.80K |
| Nov 25, 24 | Hunt Jonathan Robert | CFO | Purchase | $3.60 | 2.40K | $8.64K | 38.80K |
| Nov 25, 24 | Hunt Jonathan Robert | CFO | Purchase | $3.94 | 29 | $114.26 | 36.40K |
| Nov 25, 24 | Hunt Jonathan Robert | CFO | Purchase | $3.55 | 400 | $1.42K | 36.37K |
| Nov 25, 24 | Spoor Johan M. | CEO | Purchase | $3.78 | 14.50K | $54.87K | 152.07K |
| Nov 25, 24 | Spoor Johan M. | CEO | Purchase | $3.80 | 6.60K | $25.08K | 66.60K |
| Nov 25, 24 | Spoor Johan M. | CEO | Purchase | $3.80 | 5.40K | $20.52K | 5.40K |
| Jul 17, 24 | Austin Mark John | Officer | Purchase | $11.96 | 34.50K | $412.62K | 34.50K |
| Jun 20, 24 | Williamson Robert F III | CTO | Purchase | $10.65 | 23.00K | $244.95K | 23.00K |
| Jun 20, 24 | Morich Frank | CTO | Purchase | $10.65 | 23.00K | $244.95K | 23.00K |
| Jun 20, 24 | Woods Lori A | CTO | Purchase | $10.65 | 23.00K | $244.95K | 23.00K |
| Jun 20, 24 | HENSON HEIDI | CTO | Purchase | $10.65 | 23.00K | $244.95K | 23.00K |
| Jun 20, 24 | Spoor Johan M. | CEO | Purchase | $10.65 | 500.00K | $5.33M | 500.00K |
| Jun 20, 24 | Puhlmann Markus | Officer | Purchase | $10.65 | 150.00K | $1.60M | 150.00K |
| Jun 20, 24 | Hunt Jonathan Robert | CFO | Purchase | $10.65 | 100.00K | $1.06M | 100.00K |
| Jun 17, 24 | Hunt Jonathan Robert | CFO | Purchase | $9.82 | 1.80K | $17.67K | 35.97K |
| Jun 14, 24 | Woods Lori A | CTO | Purchase | $10.80 | 83 | $896.4 | 159.99K |
| Jun 14, 24 | Woods Lori A | CTO | Purchase | $10.90 | 4.50K | $49.09K | 159.90K |
| Jun 13, 24 | Spoor Johan M. | CEO | Purchase | $1.17 | 100.00K | $117.43K | 137.57K |
| Jun 3, 24 | Woods Lori A | -- | Sale | -- | -- | -- | -- |
| Jun 3, 24 | Woods Lori A | CTO | Purchase | $1.46 | 34.25K | $49.99K | 1.55M |
| May 31, 24 | Hunt Jonathan Robert | CFO | Purchase | $1.40 | 12.00K | $16.80K | 341.72K |
| May 31, 24 | Hunt Jonathan Robert | CFO | Purchase | $1.40 | 13.01K | $18.21K | 329.72K |
| May 31, 24 | Williamson Robert F III | CTO | Purchase | $1.38 | 55.00K | $75.90K | 423.79K |
| May 29, 24 | Williamson Robert F III | CTO | Purchase | $1.34 | 18.66K | $25.00K | 368.79K |
| May 29, 24 | Williamson Robert F III | CTO | Purchase | $1.32 | 11.38K | $15.02K | 350.14K |
| Apr 23, 24 | Austin Mark John | Officer | Sale | $0.36 | 30.00K | $10.80K | 120.00K |
| Apr 23, 24 | Austin Mark John | Officer | Purchase | $0.36 | 30.00K | $10.80K | 84.03K |
| Mar 6, 24 | Lantheus Alpha Therapy, LLC | 10 percent owner | Purchase | $0.95 | 60.43M | $57.41M | 116.77M |
| Jan 30, 24 | Williamson Robert F III | CTO | Purchase | $0.70 | 3.50K | $2.45K | 338.76K |
| Jan 30, 24 | Williamson Robert F III | CTO | Purchase | $0.72 | 42.88K | $30.87K | 335.26K |
| Jan 30, 24 | Williamson Robert F III | CTO | Purchase | $0.71 | 57.12K | $40.56K | 292.38K |
| Jan 30, 24 | Williamson Robert F III | CTO | Purchase | $0.71 | 5.13K | $3.64K | 235.26K |
| Jan 30, 24 | Williamson Robert F III | CTO | Purchase | $0.71 | 18.58K | $13.19K | 230.13K |
| Jan 22, 24 | Lantheus Alpha Therapy, LLC | 10 percent owner | Sale | -- | -- | -- | 56.34M |
| Jan 29, 24 | Williamson Robert F III | CTO | Purchase | $0.64 | 21.23K | $13.59K | 211.56K |
| Jan 29, 24 | Williamson Robert F III | CTO | Purchase | $0.64 | 4.03K | $2.58K | 190.32K |
| Jan 26, 24 | Williamson Robert F III | CTO | Purchase | $0.54 | 50.00K | $27.00K | 186.29K |
| Jan 26, 24 | Williamson Robert F III | CTO | Purchase | $0.55 | 25.00K | $13.75K | 136.29K |
| Jan 26, 24 | Williamson Robert F III | CTO | Purchase | $0.59 | 8.51K | $5.02K | 111.29K |
| Jan 26, 24 | Williamson Robert F III | CTO | Purchase | $0.61 | 14.85K | $9.06K | 102.78K |
| Jan 26, 24 | Williamson Robert F III | CTO | Purchase | $0.61 | 12.25K | $7.47K | 87.93K |
| Jan 24, 24 | Puhlmann Markus | Officer | Purchase | $0.50 | 280.00K | $139.89K | 1.38M |
| Jan 25, 24 | Williamson Robert F III | CTO | Purchase | $0.49 | 22.13K | $10.85K | 75.68K |
| Jan 24, 24 | Williamson Robert F III | CTO | Purchase | $0.49 | 29.86K | $14.63K | 53.54K |
Latest filing Checked hourly; insiders must file within 2 business days of a tradeAbout this data
