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Detailed Insider History for:
MEIRAGTX HOLDINGS PLC: MGTX
Price: 10/31/25 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
$9.08 $9.50 $4.55 $730 80 362 0.0% 6.9% 65.09% 20.00%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Biological Products, (No Disgnostic 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
1y
5
80%
-14%
1
GIROUX RICHARD
CFO,COO
AS
$212,880
24,000
---
10/21/25
---
$8.87
829,494
-2.8
D
10b
10/21/25 - 9:19:35 pm
2
1y
10
60%
-8%
1
FORBES ALEXANDRIA
PR,CEO,DIR
AS
$398,525
47,500
---
10/7/25
---
$8.39
1,313,983
-3.5
D
10b
10/7/25 - 9:49:34 pm
3
1y
5
80%
-14%
1
GIROUX RICHARD
CFO,COO
AS
$204,480
24,000
---
7/22/25
---
$8.52
853,494
-2.7
D
10b
7/22/25 - 9:01:35 pm
4
1y
10
60%
-8%
1
FORBES ALEXANDRIA
PR,CEO,DIR
AS
$378,575
47,500
---
7/8/25
---
$7.97
1,361,483
-3.4
D
10b
7/8/25 - 8:57:11 pm
5
    
 
GIROUX RICHARD
CFO,COO
JS
---
5,000
---
6/30/25
---
---
877,494
-0.6
D
---
7/2/25 - 9:09:21 pm
6
    
 
HARRIS KEITH R
DIR
JB
---
75,000
---
6/6/25
---
---
125,000
150.0
D
R
6/9/25 - 8:57:34 pm
7
1y
5
80%
-14%
1
GIROUX RICHARD
CFO,COO
AS
$144,000
24,000
---
4/22/25
---
$6.00
882,494
-2.6
D
10b
4/22/25 - 8:54:27 pm
8
1y
10
60%
-8%
1
FORBES ALEXANDRIA
PR,CEO,DIR
AS
$253,650
47,500
---
4/8/25
---
$5.34
1,408,983
-3.3
D
10b
4/8/25 - 9:05:58 pm
9
    
 
ZELDIN ROBERT K
O
JS
$43,092
5,903
---
2/21/25
---
$7.30
136,520
-4.1
D
R
2/25/25 - 8:37:25 pm
10
    
 
ZELDIN ROBERT K
O
JB
---
15,000
---
2/21/25
---
---
142,423
11.8
D
R
2/25/25 - 8:37:25 pm
11
    
 
WOLLIN ROBERT J
GC,SEC
JS
$88,447
12,116
---
2/21/25
---
$7.30
31,146
-28.0
D
R
2/25/25 - 8:35:29 pm
12
    
 
WOLLIN ROBERT J
GC,SEC
JB
---
22,500
---
2/21/25
---
---
43,262
108.4
D
R
2/25/25 - 8:35:29 pm
13
    
 
NAYLOR STUART
O
JS
$171,550
23,500
---
2/21/25
---
$7.30
623,291
-3.6
D
R
2/25/25 - 8:34:08 pm
14
    
 
NAYLOR STUART
O
JB
---
50,000
---
2/21/25
---
---
646,791
8.4
D
R
2/25/25 - 8:34:08 pm
15
    
 
GIROUX RICHARD
CFO,COO
JS
$463,200
63,452
---
2/21/25
---
$7.30
906,495
-6.5
D
R
2/25/25 - 8:32:40 pm
16
    
 
GIROUX RICHARD
CFO,COO
JB
---
120,000
---
2/21/25
---
---
969,947
14.1
D
R
2/25/25 - 8:32:40 pm
17
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
$482,494
66,095
---
2/21/25
---
$7.30
1,456,483
-4.3
D
R
2/25/25 - 8:31:46 pm
18
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JB
---
125,000
---
2/21/25
---
---
1,522,578
8.9
D
R
2/25/25 - 8:31:46 pm
19
1y
5
80%
-14%
1
GIROUX RICHARD
CFO,COO
AS
$150,960
24,000
---
1/21/25
---
$6.29
849,947
-2.7
D
10b
1/21/25 - 9:17:52 pm
20
    
 
ZELDIN ROBERT K
O
JS
$87,410
15,149
---
1/14/25
---
$5.77
127,423
-10.6
D
R
1/16/25 - 6:14:15 pm
21
    
 
ZELDIN ROBERT K
O
JB
---
37,500
---
1/14/25
---
---
142,572
35.7
D
R
1/16/25 - 6:14:15 pm
22
    
 
WOLLIN ROBERT J
GC,SEC
JS
$16,785
2,909
---
1/14/25
---
$5.77
20,762
-12.3
D
R
1/16/25 - 6:12:13 pm
23
    
 
WOLLIN ROBERT J
GC,SEC
JB
---
5,000
---
1/14/25
---
---
23,671
26.8
D
R
1/16/25 - 6:12:13 pm
24
    
 
NAYLOR STUART
O
JS
$64,411
11,163
---
1/14/25
---
$5.77
596,791
-1.8
D
R
1/16/25 - 6:10:28 pm
25
    
 
NAYLOR STUART
O
JB
---
23,750
---
1/14/25
---
---
607,954
4.1
D
R
1/16/25 - 6:10:28 pm
26
    
 
GIROUX RICHARD
CFO,COO
JS
$76,274
13,219
---
1/14/25
---
$5.77
873,947
-1.5
D
R
1/16/25 - 6:07:44 pm
27
    
 
GIROUX RICHARD
CFO,COO
JB
---
25,000
---
1/14/25
---
---
887,166
2.9
D
R
1/16/25 - 6:07:44 pm
28
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
$91,530
15,863
---
1/14/25
---
$5.77
1,397,578
-1.1
D
R
1/16/25 - 6:05:18 pm
29
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JB
---
30,000
---
1/14/25
---
---
1,413,441
2.2
D
R
1/16/25 - 6:05:18 pm
30
1y
10
60%
-8%
1
FORBES ALEXANDRIA
PR,CEO,DIR
AS
$305,343
47,500
1/7/25
1/8/25
---
$6.30
1,383,441
-3.3
D
R,10b
1/10/25 - 9:07:20 pm
31
    
 
ZELDIN ROBERT K
O
JS
$43,657
6,886
---
1/7/25
---
$6.34
105,072
-6.2
D
R
1/10/25 - 9:08:52 pm
32
    
 
ZELDIN ROBERT K
O
JB
---
17,500
---
1/7/25
---
---
111,958
18.5
D
R
1/10/25 - 9:08:52 pm
33
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
$209,524
33,048
---
1/7/25
---
$6.34
1,430,941
-2.3
D
R,10b
1/10/25 - 9:07:20 pm
34
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JB
---
62,500
---
1/7/25
---
---
1,463,989
4.5
D
R,10b
1/10/25 - 9:07:20 pm
35
    
 
WOLLIN ROBERT J
GC,SEC
JS
$25,144
3,966
---
1/7/25
---
$6.34
18,671
-17.5
D
R
1/10/25 - 9:05:08 pm
36
    
 
WOLLIN ROBERT J
GC,SEC
JB
---
7,500
---
1/7/25
---
---
22,637
49.5
D
R
1/10/25 - 9:05:08 pm
37
    
 
NAYLOR STUART
O
JS
$111,743
17,625
---
1/7/25
---
$6.34
584,204
-2.9
D
R
1/10/25 - 9:03:31 pm
38
    
 
NAYLOR STUART
O
JB
---
37,500
---
1/7/25
---
---
601,829
6.6
D
R
1/10/25 - 9:03:31 pm
39
    
 
GIROUX RICHARD
CFO,COO
JS
$175,998
27,760
---
1/7/25
---
$6.34
862,166
-3.1
D
R
1/10/25 - 9:02:05 pm
40
    
 
GIROUX RICHARD
CFO,COO
JB
---
52,500
---
1/7/25
---
---
889,926
6.3
D
R
1/10/25 - 9:02:05 pm
41
1y
6
67%
34%
44
PERCEPTIVE ADVISORS LLC
DIR,BO
JB*
$5,000,000
1,250,000
---
8/12/24
---
$4.00
12,531,103
11.1
I
---
8/14/24 - 6:54:38 pm
42
    
 
SANOFI
BO
3
---
---
---
8/12/24
---
---
11,500,000
---
I
---
8/13/24 - 6:30:03 am
43
    
 
SANOFI
BO
3
---
---
---
8/12/24
---
---
697,737
---
I
---
8/13/24 - 6:30:03 am
44
    
 
INDYK MARTIN
DIR
JB
---
20,000
---
6/5/24
---
---
35,000
133.3
D
R
6/6/24 - 4:41:49 pm
45
    
 
HARRIS KEITH R
DIR
JB
---
30,000
---
6/5/24
---
---
50,000
150.0
D
R
6/6/24 - 4:40:45 pm
46
    
 
GIROUX RICHARD
CFO,COO
JS
---
3,000
---
5/28/24
---
---
837,426
-0.4
D
---
5/30/24 - 4:48:56 pm
47
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
---
1,000
---
4/5/24
---
---
1,372,504
-0.1
D
---
4/8/24 - 4:53:34 pm
48
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
---
2,000
---
3/12/24
---
---
1,373,504
-0.1
D
---
3/14/24 - 4:51:42 pm
49
    
 
GIROUX RICHARD
CFO,COO
JS
---
13,500
---
2/29/24
---
---
840,426
-1.6
D
---
3/4/24 - 6:10:04 pm
50
    
 
GIROUX RICHARD
CFO,COO
JS
$84,073
13,219
---
1/14/24
---
$6.36
853,926
-1.5
D
R
1/17/24 - 7:16:24 pm
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