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United States

Lantheus Holdings Inc (LNTH)

Track

The most recent insider trading activity occurred on February 2, 2026, with a proposed sale by Paul Blanchfield. Prior to this, significant sales were reported in August 2025 by Rajiv A. Patel and Farallon Partners L L C/CA, totaling over $377 million. Other proposed and planned sales by various executives occurred throughout 2025.
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Ticker: LNTH Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Blanchfield Paul
Former Officer
1 sale — total 449,570 USD
Proposed sale 2 Feb 2026
Value US$4,840,774.69 | Price 392.19 | Shares 34,014
Proposed sale 6 Jan 2026
Value US$2,247,427.24 | Price 447.72 | Shares 90,430
Proposed sale 12 Dec 2025
Value US$218,150.98 | Price 66.82 | Shares 3,265
Proposed sale 26 Nov 2025
Value US$686,664.51 | Price 58.31 | Shares 11,776
Proposed sale 14 Nov 2025
Value US$871,106.26 | Price 52.70 | Shares 16,530
Sale 20 Aug 2025
Value US$188,944,750.00 | Price 56.15 | Shares 3,365,000
Sale 20 Aug 2025
Value US$188,944,750.00 | Price 56.15 | Shares 3,365,000
Sale 19 Aug 2025
Value US$2,268,940.00 | Price 55.34 | Shares 41,000
Sale 19 Aug 2025
Value US$2,268,940.00 | Price 55.34 | Shares 41,000
Planned sale 13 Aug 2025
Value US$163,924.20 | Price 53.57 | Shares 3,060
Proposed sale 13 Aug 2025
Value US$163,924.20 | Price 53.57 | Shares 3,060
Planned sale 13 Jun 2025
Value US$472,440.00 | Price 78.74 | Shares 6,000
Proposed sale 13 Jun 2025
Value US$472,440.00 | Price 78.74 | Shares 6,000
Planned sale 9 Jun 2025
Value US$423,771.04 | Price 81.62 | Shares 5,192
Proposed sale 9 Jun 2025
Value US$423,771.04 | Price 81.62 | Shares 5,192
Planned sale 9 Jun 2025
Value US$2,254,767.25 | Price 83.40 | Shares 27,036
Planned sale 9 Jun 2025
Value US$762,568.76 | Price 82.50 | Shares 9,243
Planned sale 9 Jun 2025
Value US$283,959.83 | Price 81.27 | Shares 3,494
Proposed sale 9 Jun 2025
Value US$3,246,272.26 | Price 81.62 | Shares 39,773
Planned sale 5 Jun 2025
Value US$525,610.35 | Price 79.65 | Shares 6,599
Proposed sale 5 Jun 2025
Value US$525,610.35 | Price 79.65 | Shares 6,599
Planned sale 5 Jun 2025
Value US$477,900.00 | Price 79.65 | Shares 6,000
Proposed sale 5 Jun 2025
Value US$477,900.00 | Price 79.65 | Shares 6,000
Proposed sale 2 Jun 2025
Value US$1,999,957.43 | Price 76.73 | Shares 26,066
Planned sale 2 Jun 2025
Value US$1,767,372.22 | Price 77.09 | Shares 22,926
Planned sale 2 Jun 2025
Value US$235,198.25 | Price 74.90 | Shares 3,140
Planned sale 17 Mar 2025
Value US$1,005,200.00 | Price 100.52 | Shares 10,000
Proposed sale 17 Mar 2025
Value US$1,005,200.00 | Price 100.52 | Shares 10,000
Sale 13 Mar 2025
Value US$200.26 | Price 100.13 | Shares 2
Planned sale 5 Mar 2025
Value US$204,232.00 | Price 98.00 | Shares 2,084
Proposed sale 5 Mar 2025
Value US$204,232.00 | Price 98.00 | Shares 2,084
Planned sale 3 Mar 2025
Value US$476,768.61 | Price 95.91 | Shares 4,971
Planned sale 3 Mar 2025
Value US$1,688,007.60 | Price 95.40 | Shares 17,694
Planned sale 3 Mar 2025
Value US$1,412,949.53 | Price 94.09 | Shares 15,017
Planned sale 3 Mar 2025
Value US$854,811.20 | Price 93.32 | Shares 9,160
Planned sale 3 Mar 2025
Value US$578,196.85 | Price 92.29 | Shares 6,265
Proposed sale 3 Mar 2025
Value US$4,841,200.00 | Price 91.00 | Shares 53,200
Planned sale 15 Jan 2025
Value US$94,760.00 | Price 94.76 | Shares 1,000
Proposed sale 15 Jan 2025
Value US$94,760.00 | Price 94.76 | Shares 1,000
Planned sale 15 Nov 2024
Value US$812,000.00 | Price 81.20 | Shares 10,000
Proposed sale 15 Nov 2024
Value US$812,000.00 | Price 81.20 | Shares 10,000
Planned sale 14 Nov 2024
Value US$159,300.00 | Price 79.65 | Shares 2,000
Proposed sale 14 Nov 2024
Value US$159,300.00 | Price 79.65 | Shares 2,000
Planned sale 8 Nov 2024
Value US$62,706.00 | Price 89.58 | Shares 700
Planned sale 8 Nov 2024
Value US$257,462.00 | Price 88.78 | Shares 2,900
Planned sale 8 Nov 2024
Value US$34,772.00 | Price 86.93 | Shares 400
Planned sale 8 Nov 2024
Value US$646,277.84 | Price 86.32 | Shares 7,487
Proposed sale 8 Nov 2024
Value US$1,000,059.81 | Price 87.06 | Shares 11,487
Proposed sale 14 Oct 2024
Value US$38,680.20 | Price 113.10 | Shares 342
Proposed sale 13 Sep 2024
Value US$35,498.10 | Price 104.10 | Shares 341
Planned sale 21 Aug 2024
Value US$98,520.00 | Price 98.52 | Shares 1,000
Proposed sale 21 Aug 2024
Value US$98,520.00 | Price 98.52 | Shares 1,000
Planned sale 14 Aug 2024
Value US$243,850.00 | Price 97.54 | Shares 2,500
Proposed sale 14 Aug 2024
Value US$243,850.00 | Price 97.54 | Shares 2,500
Proposed sale 13 Aug 2024
Value US$33,360.03 | Price 97.83 | Shares 341
Planned sale 12 Aug 2024
Value US$9,778.00 | Price 97.78 | Shares 100
Planned sale 12 Aug 2024
Value US$410,247.50 | Price 97.10 | Shares 4,225
Planned sale 12 Aug 2024
Value US$1,075,370.25 | Price 96.23 | Shares 11,175
Proposed sale 12 Aug 2024
Value US$1,508,615.00 | Price 97.33 | Shares 15,500
Planned sale 8 Aug 2024
Value US$192,780.00 | Price 96.39 | Shares 2,000
Proposed sale 8 Aug 2024
Value US$192,780.00 | Price 96.39 | Shares 2,000
Planned sale 2 Aug 2024
Value US$9,281.28 | Price 96.68 | Shares 96
Planned sale 2 Aug 2024
Value US$351,491.51 | Price 96.01 | Shares 3,661
Planned sale 2 Aug 2024
Value US$640,126.82 | Price 95.20 | Shares 6,724
Proposed sale 2 Aug 2024
Value US$1,000,114.60 | Price 95.42 | Shares 10,481
Planned sale 16 Jul 2024
Value US$224,422.77 | Price 124.96 | Shares 1,796
Proposed sale 16 Jul 2024
Value US$224,423.31 | Price 124.96 | Shares 1,796
Planned sale 15 Jul 2024
Value US$41,994.15 | Price 123.15 | Shares 341
Proposed sale 15 Jul 2024
Value US$41,994.15 | Price 123.15 | Shares 341
Planned sale 10 Jul 2024
Value US$1,190,851.20 | Price 95.04 | Shares 12,530
Proposed sale 10 Jul 2024
Value US$1,190,851.20 | Price 95.04 | Shares 12,530
Planned sale 13 Jun 2024
Value US$27,201.57 | Price 79.77 | Shares 341
Proposed sale 13 Jun 2024
Value US$27,201.57 | Price 79.77 | Shares 341
Sale 7 Jun 2024
Value US$81.26 | Price 81.26 | Shares 1
Planned sale 31 May 2024
Value US$95,286.78 | Price 80.82 | Shares 1,179
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
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
Blanchfield Paul

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
Blanchfield Paul

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
Blanchfield Paul

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
Blanchfield Paul

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
Blanchfield Paul

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
2.8
FARALLON PARTNERS L L C/CA

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
2.5
PATEL RAJIV A

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
2.8
FARALLON PARTNERS L L C/CA

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
2.5
PATEL RAJIV A

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
Blanchfield Paul

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
Blanchfield Paul

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
Niedzwiecki Daniel

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
Niedzwiecki Daniel

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
0.9
McHugh Julie
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
Marshall Robert J. Jr.

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
Marshall Robert J. Jr.

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
Marshall Robert J. Jr.

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
Marshall Robert J. Jr.

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
0.9
McHugh Julie

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
Blanchfield Paul

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
Niedzwiecki Daniel

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
Blanchfield Paul

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
Niedzwiecki Daniel

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
2.5
Heino Mary Anne

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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
Marshall Robert J. Jr.

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
Marshall Robert J. Jr.

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
2.5
Heino Mary Anne
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
Blanchfield Paul

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
Blanchfield Paul

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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne

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
Thrall James H
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
Thrall James H

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
Marshall Robert J. Jr.

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
Marshall Robert J. Jr.

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
Blanchfield Paul

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
Blanchfield Paul

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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne

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
Sabens Andrea

Officer

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

Officer

Officer
341
104.10
US$35,498 		341 104.10 US$35,498
2024-08-23 2024-08-21 PlS Planned sale
Thrall James H
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
Thrall James H

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
Niedzwiecki Daniel

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
Niedzwiecki Daniel

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
Sabens Andrea

Officer

Officer
341
97.83
US$33,360 		341 97.83 US$33,360
2024-08-14 2024-08-12 PlS Planned sale
1.2
Ber Gerard
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
1.2
Ber Gerard
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
1.2
Ber Gerard
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
1.2
Gerard Ber

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
Blanchfield Paul

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
Blanchfield Paul

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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne
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
2.5
Heino Mary Anne

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
Sabens Andrea

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
Sabens Andrea

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
Sabens Andrea

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
Sabens Andrea

Officer

Officer
341
123.15
US$41,994 		341 123.15 US$41,994
2024-07-12 2024-07-10 PlS Planned sale
Pruden Gary J
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
Pruden Gary J

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
Sabens Andrea

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
Sabens Andrea

Officer

Officer
341
79.77
US$27,202 		341 79.77 US$27,202
2025-03-17 2024-06-07 S Sale
2.5
Heino Mary Anne
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
Blanchfield Paul

President

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