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Detailed Insider History for:
LANTHEUS HOLDINGS INC: LNTH
Price: 7/4/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$80.42 $126.89 $73.11 $5,564 69 1,126 0.0% 17.4% 116.12% 2.24%
Exch Sector Industry Sub-Industry
NasdaqGM Manufacturing Chemicals And Allied Products In Vitro & In Vivo Diagnostic Substances
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
NIEDZWIECKI DANIEL
O
AS
$472,440
6,000
---
6/13/25
---
$78.74
87,057
-6.4
D
10b
6/17/25 - 4:31:48 pm
2
1y
7
43%
41%
2
MCHUGH JULIE
DIR
AS
$423,771
5,192
---
6/9/25
---
$81.62
25,962
-16.7
D
10b
6/11/25 - 4:33:01 pm
3
1y
20
35%
43%
1
MARSHALL ROBERT J JR
CFO,TR
OS
$3,301,296
39,773
---
6/9/25
$81.27
$83.40
88,860
-30.9
D
10b
6/11/25 - 4:32:44 pm
4
    
 
MARSHALL ROBERT J JR
CFO,TR
OE
$737,616
14,773
---
6/9/25
---
$49.93
128,633
13.0
D
10b
6/11/25 - 4:32:44 pm
5
    
 
BLANCHFIELD PAUL
PR
AS
$525,610
6,599
---
6/5/25
---
$79.65
111,792
-5.6
D
10b
6/9/25 - 4:34:37 pm
6
    
 
NIEDZWIECKI DANIEL
O
AS
$477,900
6,000
---
6/5/25
---
$79.65
93,057
-6.1
D
10b
6/9/25 - 4:34:26 pm
7
1y
33
45%
17%
1
HEINO MARY ANNE
DIR
S
$235,198
3,140
---
6/2/25
---
$74.90
341,576
-0.9
D
10b
6/4/25 - 4:32:45 pm
8
1y
33
45%
17%
1
HEINO MARY ANNE
DIR
AS
$1,767,372
22,926
---
6/2/25
---
$77.09
318,650
-6.7
D
10b
6/4/25 - 4:32:45 pm
9
    
 
HEINO MARY ANNE
DIR
JS
---
179,300
---
5/27/25
---
---
40,434
-81.6
I
---
5/29/25 - 4:44:38 pm
10
    
 
HEINO MARY ANNE
DIR
JB
---
179,300
---
5/27/25
---
---
179,300
New
I
---
5/29/25 - 4:44:38 pm
11
    
 
PRUDEN GARY J
DIR
JS
---
2,635
---
5/15/25
---
---
2,537
-50.9
D
---
5/16/25 - 4:42:32 pm
12
    
 
PRUDEN GARY J
DIR
JB
---
2,635
---
5/15/25
---
---
14,613
22.0
I
---
5/16/25 - 4:42:32 pm
13
    
 
THRALL JAMES H
DIR
JB
---
2,537
---
5/14/25
---
---
35,744
7.6
D
---
5/16/25 - 4:43:20 pm
14
    
 
PRUDEN GARY J
DIR
JB
---
2,537
---
5/14/25
---
---
5,172
96.3
D
---
5/16/25 - 4:42:32 pm
15
    
 
MORROW PHUONG KHANH
DIR
JB
---
2,537
---
5/14/25
---
---
3,100
450.6
D
---
5/16/25 - 4:41:41 pm
16
    
 
MCHUGH JULIE
DIR
JB
---
2,537
---
5/14/25
---
---
31,154
8.9
D
---
5/16/25 - 4:40:54 pm
17
    
 
MAEUSLI HEINZ CHRISTOPH
DIR
JB
---
2,537
---
5/14/25
---
---
25,877
10.9
D
---
5/16/25 - 4:40:24 pm
18
    
 
LENO SAM R
DIR
JB
---
2,537
---
5/14/25
---
---
63,109
4.2
D
---
5/16/25 - 4:39:48 pm
19
    
 
EASTLAND JULIA MARIE
DIR
JB
---
2,537
---
5/14/25
---
---
3,882
188.6
D
---
5/16/25 - 4:39:10 pm
20
    
 
HEINO MARY ANNE
DIR
JB
---
2,537
---
5/14/25
---
---
394,716
0.6
D
---
5/16/25 - 4:38:41 pm
21
    
 
BAYLOR HENRY MINNIE
DIR
JB
---
2,537
---
5/14/25
---
---
9,881
34.5
D
---
5/16/25 - 4:38:10 pm
22
    
 
BER GERARD
DIR
JB
---
2,537
---
5/14/25
---
---
23,362
12.2
D
---
5/16/25 - 4:37:36 pm
23
    
 
BER GERARD
DIR
JS
$32,369
396
---
5/9/25
---
$81.74
20,825
-1.9
D
---
5/13/25 - 4:07:44 pm
24
    
 
BLANCHFIELD PAUL
PR
JS
$46,101
455
---
4/17/25
---
$101.32
118,391
-0.4
D
---
4/21/25 - 4:11:52 pm
25
    
 
NIEDZWIECKI DANIEL
O
JS
$18,035
178
---
4/17/25
---
$101.32
99,057
-0.2
D
---
4/21/25 - 4:11:36 pm
26
1y
20
35%
43%
1
MARSHALL ROBERT J JR
CFO,TR
AS
$1,005,200
10,000
---
3/17/25
---
$100.52
113,860
-8.1
D
10b
3/19/25 - 6:44:57 pm
27
1y
33
45%
17%
1
HEINO MARY ANNE
DIR
S
$200
2
---
3/13/25
---
$100.13
8,618
-0.0
I
---
3/17/25 - 8:09:34 pm
28
    
 
HEINO MARY ANNE
DIR
JS
---
8,618
---
3/13/25
---
---
---
All
I
---
3/17/25 - 8:09:34 pm
29
    
 
HEINO MARY ANNE
DIR
JB
---
8,618
---
3/13/25
---
---
8,618
New
I
---
3/17/25 - 8:09:34 pm
30
    
 
BROWN KIMBERLY
CAO
JB
---
3,433
---
3/5/25
---
---
8,164
72.6
D
R
3/21/25 - 6:48:15 pm
31
    
 
MORGAN AMANDA MICHELLE
O
JB
---
14,928
---
3/5/25
---
---
39,580
60.6
D
R
3/7/25 - 5:46:02 pm
32
    
 
NIEDZWIECKI DANIEL
O
JB
---
23,884
---
3/5/25
---
---
99,235
31.7
D
R
3/7/25 - 5:45:33 pm
33
    
 
MARSHALL ROBERT J JR
CFO,TR
JB
---
23,884
---
3/5/25
---
---
123,860
23.9
D
R
3/7/25 - 5:45:05 pm
34
    
 
BLANCHFIELD PAUL
PR
AS
$204,232
2,084
---
3/5/25
---
$98.00
91,828
-2.2
D
R,10b
3/7/25 - 5:44:17 pm
35
    
 
BLANCHFIELD PAUL
PR
JB
---
26,871
---
3/5/25
---
---
118,699
29.3
D
R,10b
3/7/25 - 5:44:17 pm
36
    
 
MARKISON BRIAN A
CEO,DIR
JB
---
70,909
---
3/5/25
---
---
232,420
43.9
D
R
3/7/25 - 5:43:37 pm
37
    
 
NIEDZWIECKI DANIEL
O
JS
$1,224,358
12,907
---
3/3/25
---
$94.86
75,351
-14.6
D
R
3/5/25 - 5:20:09 pm
38
    
 
NIEDZWIECKI DANIEL
O
JB
---
10,514
---
3/3/25
---
---
88,258
13.5
D
R
3/5/25 - 5:20:09 pm
39
    
 
MARSHALL ROBERT J JR
CFO,TR
JS
$1,921,959
20,261
---
3/3/25
---
$94.86
99,976
-16.9
D
R
3/5/25 - 5:19:10 pm
40
    
 
MARSHALL ROBERT J JR
CFO,TR
JB
---
17,274
---
3/3/25
---
---
120,237
16.8
D
R
3/5/25 - 5:19:10 pm
41
    
 
MARKISON BRIAN A
CEO,DIR
JS
$819,306
8,637
---
3/3/25
---
$94.86
161,511
-5.1
D
---
3/5/25 - 5:12:05 pm
42
    
 
BLANCHFIELD PAUL
PR
JS
$1,574,107
16,594
---
3/3/25
---
$94.86
93,912
-15.0
D
R
3/5/25 - 5:10:37 pm
43
    
 
BLANCHFIELD PAUL
PR
JB
---
13,769
---
3/3/25
---
---
110,506
14.2
D
R
3/5/25 - 5:10:37 pm
44
1y
33
45%
17%
1
HEINO MARY ANNE
DIR
AS
$5,010,734
53,107
---
3/3/25
$92.29
$95.91
440,399
-10.8
D
R,10b
3/5/25 - 5:09:13 pm
45
    
 
HEINO MARY ANNE
DIR
JB
---
50,070
---
3/3/25
---
---
493,506
11.3
D
R,10b
3/5/25 - 5:09:13 pm
46
    
 
MORGAN AMANDA MICHELLE
O
JS
$71,999
759
---
3/3/25
---
$94.86
24,652
-3.0
D
---
3/5/25 - 5:07:52 pm
47
    
 
MORROW PHUONG KHANH
DIR
JB
---
563
---
2/7/25
---
---
563
New
D
---
2/11/25 - 4:31:12 pm
48
    
 
MORROW PHUONG KHANH
DIR
3
---
---
---
2/1/25
---
---
---
---
D
---
2/7/25 - 6:34:28 pm
49
1y
1
100%
-36%
1
THRALL JAMES H
DIR
AS
$94,760
1,000
---
1/15/25
---
$94.76
33,207
-2.9
D
10b
1/17/25 - 4:15:21 pm
50
1y
16
100%
-43%
4
MARKISON BRIAN A
CEO,DIR
OS
$1,407,903
15,446
---
12/19/24
---
$91.15
170,148
-8.3
D
---
12/23/24 - 7:33:30 pm
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