Lantheus Holdings Inc (LNTH)

Lantheus Holdings Inc. has seen no insider trading activity within the last three months. Previous transactions involved various officers and major shareholders executing planned or proposed sales of company stock. The most recent recorded activity occurred on February 2, 2026, involving Paul Blanchfield.
Ticker: LNTH Exchange: NMS


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Insider trades have triggered activity signals for Lantheus Holdings Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Blanchfield Paul Former Officer Officer
Transaction date
Proposed sale
Price
392.19
Quantity 34,014
Value US$4,840,775
Blanchfield Paul Former Officer Officer
Transaction date
Proposed sale
Price
447.72
Quantity 90,430
Value US$2,247,427
Blanchfield Paul Officer Officer
Transaction date
Proposed sale
Price
202.96
Quantity 14,856
Value US$2,107,555
Blanchfield Paul Former Officer Officer
Transaction date
Proposed sale
Price
58.31
Quantity 11,776
Value US$686,665
Blanchfield Paul Former Officer Officer
Transaction date
Proposed sale
Price
52.70
Quantity 16,530
Value US$871,106
2.8
FARALLON PARTNERS L L C/CA Member of a Group Owning 10% Large shareholder
Transaction date
Sale
Price
56.15
Quantity 3,365,000 -49.2%
Value US$188,944,750
2.5
PATEL RAJIV A Member of a Group Owning 10%
Transaction date
Sale
Price
56.15
Quantity 3,365,000 -49.2%
Value US$188,944,750
2.8
FARALLON PARTNERS L L C/CA Member of a Group Owning 10% Large shareholder
Transaction date
Sale
Price
55.34
Quantity 41,000 -0.6%
Value US$2,268,940
2.5
PATEL RAJIV A Member of a Group Owning 10%
Transaction date
Sale
Price
55.34
Quantity 41,000 -0.6%
Value US$2,268,940
Blanchfield Paul President Officer
Transaction date
Planned sale
Price
53.57
Quantity 3,060 -2.7%
Value US$163,924
Blanchfield Paul Officer Officer
Transaction date
Proposed sale
Price
53.57
Quantity 3,060
Value US$163,924
Niedzwiecki Daniel See Remarks Officer
Transaction date
Planned sale
Price
78.74
Quantity 6,000 -6.4%
Value US$472,440
Niedzwiecki Daniel Officer Officer
Transaction date
Proposed sale
Price
78.74
Quantity 6,000
Value US$472,440
0.9
McHugh Julie Non-Executive Director
Transaction date
Planned sale
Price
81.62
Quantity 5,192 -16.7%
Value US$423,771
Marshall Robert J. Jr. CFO and Treasurer Officer
Transaction date
Planned sale
Price
83.40
Quantity 27,036 -23.3%
Value US$2,254,767
Marshall Robert J. Jr. CFO and Treasurer Officer
Transaction date
Planned sale
Price
82.50
Quantity 9,243 -7.4%
Value US$762,569
Marshall Robert J. Jr. CFO and Treasurer Officer
Transaction date
Planned sale
Price
81.27
Quantity 3,494 -2.7%
Value US$283,960
Marshall Robert J. Jr. Officer Officer
Transaction date
Proposed sale
Price
81.62
Quantity 39,773
Value US$3,246,272
0.9
McHugh Julie Director Non-Executive Director
Transaction date
Proposed sale
Price
81.62
Quantity 5,192
Value US$423,771
Blanchfield Paul President Officer
Transaction date
Planned sale
Price
79.65
Quantity 6,599 -5.6%
Value US$525,610
Niedzwiecki Daniel See Remarks Officer
Transaction date
Planned sale
Price
79.65
Quantity 6,000 -6.1%
Value US$477,900
Blanchfield Paul Officer Officer
Transaction date
Proposed sale
Price
79.65
Quantity 6,599
Value US$525,610
Niedzwiecki Daniel Officer Officer
Transaction date
Proposed sale
Price
79.65
Quantity 6,000
Value US$477,900
2.5
Heino Mary Anne Director Non-Executive Director
Transaction date
Proposed sale
Price
76.73
Quantity 26,066
Value US$1,999,957
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
77.09
Quantity 22,926 -6.7%
Value US$1,767,372
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
74.90
Quantity 3,140 -0.9%
Value US$235,198
Marshall Robert J. Jr. CFO and Treasurer Officer
Transaction date
Planned sale
Price
100.52
Quantity 10,000 -8.1%
Value US$1,005,200
Marshall Robert J. Jr. Officer Officer
Transaction date
Proposed sale
Price
100.52
Quantity 10,000
Value US$1,005,200
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Sale
Price
100.13
Quantity 2 -0.0%
Value US$200
Blanchfield Paul President Officer
Transaction date
Planned sale
Price
98.00
Quantity 2,084 -2.2%
Value US$204,232
Blanchfield Paul Officer Officer
Transaction date
Proposed sale
Price
98.00
Quantity 2,084
Value US$204,232
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
95.91
Quantity 4,971 -1.1%
Value US$476,769
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
95.40
Quantity 17,694 -3.8%
Value US$1,688,008
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
94.09
Quantity 15,017 -3.1%
Value US$1,412,950
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
93.32
Quantity 9,160 -1.9%
Value US$854,811
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
92.29
Quantity 6,265 -1.3%
Value US$578,197
2.5
Heino Mary Anne Officer; Director Executive Director
Transaction date
Proposed sale
Price
91.00
Quantity 53,200
Value US$4,841,200
Thrall James H Non-Executive Director
Transaction date
Planned sale
Price
94.76
Quantity 1,000 -2.9%
Value US$94,760
Thrall James H Director Non-Executive Director
Transaction date
Proposed sale
Price
94.76
Quantity 1,000
Value US$94,760
Marshall Robert J. Jr. CFO and Treasurer Officer
Transaction date
Planned sale
Price
81.20
Quantity 10,000 -8.9%
Value US$812,000
Marshall Robert J. Jr. Officer Officer
Transaction date
Proposed sale
Price
81.20
Quantity 10,000
Value US$812,000
Blanchfield Paul President Officer
Transaction date
Planned sale
Price
79.65
Quantity 2,000 -2.0%
Value US$159,300
Blanchfield Paul Officer Officer
Transaction date
Proposed sale
Price
79.65
Quantity 2,000
Value US$159,300
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
89.58
Quantity 700 -0.2%
Value US$62,706
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
88.78
Quantity 2,900 -0.6%
Value US$257,462
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
86.93
Quantity 400 -0.1%
Value US$34,772
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
86.32
Quantity 7,487 -1.6%
Value US$646,278
2.5
Heino Mary Anne Officer; Director Executive Director
Transaction date
Proposed sale
Price
87.06
Quantity 11,487
Value US$1,000,060
Sabens Andrea Officer Officer
Transaction date
Proposed sale
Price
113.10
Quantity 342
Value US$38,680
Sabens Andrea Officer Officer
Transaction date
Proposed sale
Price
104.10
Quantity 341
Value US$35,498
Thrall James H Non-Executive Director
Transaction date
Planned sale
Price
98.52
Quantity 1,000 -2.8%
Value US$98,520
Thrall James H Director Non-Executive Director
Transaction date
Proposed sale
Price
98.52
Quantity 1,000
Value US$98,520
Niedzwiecki Daniel See Remarks Officer
Transaction date
Planned sale
Price
97.54
Quantity 2,500 -3.1%
Value US$243,850
Niedzwiecki Daniel Officer Officer
Transaction date
Proposed sale
Price
97.54
Quantity 2,500
Value US$243,850
Sabens Andrea Officer Officer
Transaction date
Proposed sale
Price
97.83
Quantity 341
Value US$33,360
1.2
Ber Gerard Non-Executive Director
Transaction date
Planned sale
Price
97.78
Quantity 100 -0.5%
Value US$9,778
1.2
Ber Gerard Non-Executive Director
Transaction date
Planned sale
Price
97.10
Quantity 4,225 -16.5%
Value US$410,248
1.2
Ber Gerard Non-Executive Director
Transaction date
Planned sale
Price
96.23
Quantity 11,175 -30.4%
Value US$1,075,370
1.2
Gerard Ber Director Non-Executive Director
Transaction date
Proposed sale
Price
97.33
Quantity 15,500
Value US$1,508,615
Blanchfield Paul President Officer
Transaction date
Planned sale
Price
96.39
Quantity 2,000 -2.0%
Value US$192,780
Blanchfield Paul Officer Officer
Transaction date
Proposed sale
Price
96.39
Quantity 2,000
Value US$192,780
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
96.68
Quantity 96 -0.0%
Value US$9,281
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
96.01
Quantity 3,661 -0.8%
Value US$351,492
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Planned sale
Price
95.20
Quantity 6,724 -1.4%
Value US$640,127
2.5
Heino Mary Anne Officer; Director Executive Director
Transaction date
Proposed sale
Price
95.42
Quantity 10,481
Value US$1,000,115
Sabens Andrea Chief Accounting Officer Officer
Transaction date
Planned sale
Price
124.96
Quantity 1,796 -2.9%
Value US$224,423
Sabens Andrea Officer Officer
Transaction date
Proposed sale
Price
124.96
Quantity 1,796
Value US$224,423
Sabens Andrea Chief Accounting Officer Officer
Transaction date
Planned sale
Price
123.15
Quantity 341 -0.5%
Value US$41,994
Sabens Andrea Officer Officer
Transaction date
Proposed sale
Price
123.15
Quantity 341
Value US$41,994
Pruden Gary J Non-Executive Director
Transaction date
Planned sale
Price
95.04
Quantity 12,530 -51.1%
Value US$1,190,851
Pruden Gary J Director Non-Executive Director
Transaction date
Proposed sale
Price
95.04
Quantity 12,530
Value US$1,190,851
Sabens Andrea Chief Accounting Officer Officer
Transaction date
Planned sale
Price
79.77
Quantity 341 -0.5%
Value US$27,202
Sabens Andrea Officer Officer
Transaction date
Proposed sale
Price
79.77
Quantity 341
Value US$27,202
2.5
Heino Mary Anne Non-Executive Director
Transaction date
Sale
Price
81.26
Quantity 1 -0.0%
Value US$81
Blanchfield Paul President Officer
Transaction date
Planned sale
Price
80.82
Quantity 1,179 -1.1%
Value US$95,287
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-02-02 2026-02-02 PrS Proposed sale

Former Officer

Officer
34,014
392.19
US$4,840,775
34,014 392.19 US$4,840,775
2026-01-06 2026-01-06 PrS Proposed sale

Former Officer

Officer
90,430
447.72
US$2,247,427
90,430 447.72 US$2,247,427
2025-12-12 2025-12-12 PrS Proposed sale

Officer

Officer
14,856
202.96
US$2,107,555
14,856 202.96 US$2,107,555
2025-11-26 2025-11-26 PrS Proposed sale

Former Officer

Officer
11,776
58.31
US$686,665
11,776 58.31 US$686,665
2025-11-14 2025-11-14 PrS Proposed sale

Former Officer

Officer
16,530
52.70
US$871,106
16,530 52.70 US$871,106
2025-08-21 2025-08-20 S Sale

Member of a Group Owning 10%

Large shareholder
3,365,000 -49.2%
56.15
US$188,944,750
3,365,000 -49.2% 56.15 US$188,944,750
2025-08-21 2025-08-20 S Sale

Member of a Group Owning 10%

3,365,000 -49.2%
56.15
US$188,944,750
3,365,000 -49.2% 56.15 US$188,944,750
2025-08-21 2025-08-19 S Sale

Member of a Group Owning 10%

Large shareholder
41,000 -0.6%
55.34
US$2,268,940
41,000 -0.6% 55.34 US$2,268,940
2025-08-21 2025-08-19 S Sale

Member of a Group Owning 10%

41,000 -0.6%
55.34
US$2,268,940
41,000 -0.6% 55.34 US$2,268,940
2025-08-15 2025-08-13 PlS Planned sale

President

Officer
3,060 -2.7%
53.57
US$163,924
3,060 -2.7% 53.57 US$163,924
2025-08-13 2025-08-13 PrS Proposed sale

Officer

Officer
3,060
53.57
US$163,924
3,060 53.57 US$163,924
2025-06-17 2025-06-13 PlS Planned sale

See Remarks

Officer
6,000 -6.4%
78.74
US$472,440
6,000 -6.4% 78.74 US$472,440
2025-06-13 2025-06-13 PrS Proposed sale

Officer

Officer
6,000
78.74
US$472,440
6,000 78.74 US$472,440
2025-06-11 2025-06-09 PlS Planned sale Non-Executive Director
5,192 -16.7%
81.62
US$423,771
5,192 -16.7% 81.62 US$423,771
2025-06-11 2025-06-09 PlS Planned sale

CFO and Treasurer

Officer
27,036 -23.3%
83.40
US$2,254,767
27,036 -23.3% 83.40 US$2,254,767
2025-06-11 2025-06-09 PlS Planned sale

CFO and Treasurer

Officer
9,243 -7.4%
82.50
US$762,569
9,243 -7.4% 82.50 US$762,569
2025-06-11 2025-06-09 PlS Planned sale

CFO and Treasurer

Officer
3,494 -2.7%
81.27
US$283,960
3,494 -2.7% 81.27 US$283,960
2025-06-09 2025-06-09 PrS Proposed sale

Officer

Officer
39,773
81.62
US$3,246,272
39,773 81.62 US$3,246,272
2025-06-09 2025-06-09 PrS Proposed sale

Director

Non-Executive Director
5,192
81.62
US$423,771
5,192 81.62 US$423,771
2025-06-09 2025-06-05 PlS Planned sale

President

Officer
6,599 -5.6%
79.65
US$525,610
6,599 -5.6% 79.65 US$525,610
2025-06-09 2025-06-05 PlS Planned sale

See Remarks

Officer
6,000 -6.1%
79.65
US$477,900
6,000 -6.1% 79.65 US$477,900
2025-06-05 2025-06-05 PrS Proposed sale

Officer

Officer
6,599
79.65
US$525,610
6,599 79.65 US$525,610
2025-06-05 2025-06-05 PrS Proposed sale

Officer

Officer
6,000
79.65
US$477,900
6,000 79.65 US$477,900
2025-06-05 2025-06-02 PrS Proposed sale

Director

Non-Executive Director
26,066
76.73
US$1,999,957
26,066 76.73 US$1,999,957
2025-06-04 2025-06-02 PlS Planned sale Non-Executive Director
22,926 -6.7%
77.09
US$1,767,372
22,926 -6.7% 77.09 US$1,767,372
2025-06-04 2025-06-02 PlS Planned sale Non-Executive Director
3,140 -0.9%
74.90
US$235,198
3,140 -0.9% 74.90 US$235,198
2025-03-19 2025-03-17 PlS Planned sale

CFO and Treasurer

Officer
10,000 -8.1%
100.52
US$1,005,200
10,000 -8.1% 100.52 US$1,005,200
2025-03-17 2025-03-17 PrS Proposed sale

Officer

Officer
10,000
100.52
US$1,005,200
10,000 100.52 US$1,005,200
2025-03-17 2025-03-13 S Sale Non-Executive Director
2 -0.0%
100.13
US$200
2 -0.0% 100.13 US$200
2025-03-07 2025-03-05 PlS Planned sale

President

Officer
2,084 -2.2%
98.00
US$204,232
2,084 -2.2% 98.00 US$204,232
2025-03-05 2025-03-05 PrS Proposed sale

Officer

Officer
2,084
98.00
US$204,232
2,084 98.00 US$204,232
2025-03-05 2025-03-03 PlS Planned sale Non-Executive Director
4,971 -1.1%
95.91
US$476,769
4,971 -1.1% 95.91 US$476,769
2025-03-05 2025-03-03 PlS Planned sale Non-Executive Director
17,694 -3.8%
95.40
US$1,688,008
17,694 -3.8% 95.40 US$1,688,008
2025-03-05 2025-03-03 PlS Planned sale Non-Executive Director
15,017 -3.1%
94.09
US$1,412,950
15,017 -3.1% 94.09 US$1,412,950
2025-03-05 2025-03-03 PlS Planned sale Non-Executive Director
9,160 -1.9%
93.32
US$854,811
9,160 -1.9% 93.32 US$854,811
2025-03-05 2025-03-03 PlS Planned sale Non-Executive Director
6,265 -1.3%
92.29
US$578,197
6,265 -1.3% 92.29 US$578,197
2025-02-28 2025-03-03 PrS Proposed sale

Officer; Director

Executive Director
53,200
91.00
US$4,841,200
53,200 91.00 US$4,841,200
2025-01-17 2025-01-15 PlS Planned sale Non-Executive Director
1,000 -2.9%
94.76
US$94,760
1,000 -2.9% 94.76 US$94,760
2025-01-15 2025-01-15 PrS Proposed sale

Director

Non-Executive Director
1,000
94.76
US$94,760
1,000 94.76 US$94,760
2024-11-19 2024-11-15 PlS Planned sale

CFO and Treasurer

Officer
10,000 -8.9%
81.20
US$812,000
10,000 -8.9% 81.20 US$812,000
2024-11-15 2024-11-15 PrS Proposed sale

Officer

Officer
10,000
81.20
US$812,000
10,000 81.20 US$812,000
2024-11-18 2024-11-14 PlS Planned sale

President

Officer
2,000 -2.0%
79.65
US$159,300
2,000 -2.0% 79.65 US$159,300
2024-11-14 2024-11-14 PrS Proposed sale

Officer

Officer
2,000
79.65
US$159,300
2,000 79.65 US$159,300
2024-11-12 2024-11-08 PlS Planned sale Non-Executive Director
700 -0.2%
89.58
US$62,706
700 -0.2% 89.58 US$62,706
2024-11-12 2024-11-08 PlS Planned sale Non-Executive Director
2,900 -0.6%
88.78
US$257,462
2,900 -0.6% 88.78 US$257,462
2024-11-12 2024-11-08 PlS Planned sale Non-Executive Director
400 -0.1%
86.93
US$34,772
400 -0.1% 86.93 US$34,772
2024-11-12 2024-11-08 PlS Planned sale Non-Executive Director
7,487 -1.6%
86.32
US$646,278
7,487 -1.6% 86.32 US$646,278
2024-11-08 2024-11-08 PrS Proposed sale

Officer; Director

Executive Director
11,487
87.06
US$1,000,060
11,487 87.06 US$1,000,060
2024-10-15 2024-10-14 PrS Proposed sale

Officer

Officer
342
113.10
US$38,680
342 113.10 US$38,680
2024-09-13 2024-09-13 PrS Proposed sale

Officer

Officer
341
104.10
US$35,498
341 104.10 US$35,498
2024-08-23 2024-08-21 PlS Planned sale Non-Executive Director
1,000 -2.8%
98.52
US$98,520
1,000 -2.8% 98.52 US$98,520
2024-08-21 2024-08-21 PrS Proposed sale

Director

Non-Executive Director
1,000
98.52
US$98,520
1,000 98.52 US$98,520
2024-08-16 2024-08-14 PlS Planned sale

See Remarks

Officer
2,500 -3.1%
97.54
US$243,850
2,500 -3.1% 97.54 US$243,850
2024-08-14 2024-08-14 PrS Proposed sale

Officer

Officer
2,500
97.54
US$243,850
2,500 97.54 US$243,850
2024-08-13 2024-08-13 PrS Proposed sale

Officer

Officer
341
97.83
US$33,360
341 97.83 US$33,360
2024-08-14 2024-08-12 PlS Planned sale Non-Executive Director
100 -0.5%
97.78
US$9,778
100 -0.5% 97.78 US$9,778
2024-08-14 2024-08-12 PlS Planned sale Non-Executive Director
4,225 -16.5%
97.10
US$410,248
4,225 -16.5% 97.10 US$410,248
2024-08-14 2024-08-12 PlS Planned sale Non-Executive Director
11,175 -30.4%
96.23
US$1,075,370
11,175 -30.4% 96.23 US$1,075,370
2024-08-12 2024-08-12 PrS Proposed sale

Director

Non-Executive Director
15,500
97.33
US$1,508,615
15,500 97.33 US$1,508,615
2024-08-12 2024-08-08 PlS Planned sale

President

Officer
2,000 -2.0%
96.39
US$192,780
2,000 -2.0% 96.39 US$192,780
2024-08-08 2024-08-08 PrS Proposed sale

Officer

Officer
2,000
96.39
US$192,780
2,000 96.39 US$192,780
2024-08-06 2024-08-02 PlS Planned sale Non-Executive Director
96 -0.0%
96.68
US$9,281
96 -0.0% 96.68 US$9,281
2024-08-06 2024-08-02 PlS Planned sale Non-Executive Director
3,661 -0.8%
96.01
US$351,492
3,661 -0.8% 96.01 US$351,492
2024-08-06 2024-08-02 PlS Planned sale Non-Executive Director
6,724 -1.4%
95.20
US$640,127
6,724 -1.4% 95.20 US$640,127
2024-08-02 2024-08-02 PrS Proposed sale

Officer; Director

Executive Director
10,481
95.42
US$1,000,115
10,481 95.42 US$1,000,115
2024-07-17 2024-07-16 PlS Planned sale

Chief Accounting Officer

Officer
1,796 -2.9%
124.96
US$224,423
1,796 -2.9% 124.96 US$224,423
2024-07-16 2024-07-16 PrS Proposed sale

Officer

Officer
1,796
124.96
US$224,423
1,796 124.96 US$224,423
2024-07-17 2024-07-15 PlS Planned sale

Chief Accounting Officer

Officer
341 -0.5%
123.15
US$41,994
341 -0.5% 123.15 US$41,994
2024-07-15 2024-07-15 PrS Proposed sale

Officer

Officer
341
123.15
US$41,994
341 123.15 US$41,994
2024-07-12 2024-07-10 PlS Planned sale Non-Executive Director
12,530 -51.1%
95.04
US$1,190,851
12,530 -51.1% 95.04 US$1,190,851
2024-07-10 2024-07-10 PrS Proposed sale

Director

Non-Executive Director
12,530
95.04
US$1,190,851
12,530 95.04 US$1,190,851
2024-06-17 2024-06-13 PlS Planned sale

Chief Accounting Officer

Officer
341 -0.5%
79.77
US$27,202
341 -0.5% 79.77 US$27,202
2024-06-13 2024-06-13 PrS Proposed sale

Officer

Officer
341
79.77
US$27,202
341 79.77 US$27,202
2025-03-17 2024-06-07 S Sale Non-Executive Director
1 -0.0%
81.26
US$81
1 -0.0% 81.26 US$81
2024-06-04 2024-05-31 PlS Planned sale

President

Officer
1,179 -1.1%
80.82
US$95,287
1,179 -1.1% 80.82 US$95,287
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