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Detailed Insider History for:
MEIRAGTX HOLDINGS PLC: MGTX
Price: 1/30/26 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
$7.61 $9.73 $4.55 $613 81 535 0.0% 11.0% 62.42% 19.98%
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
    
 
ZELDIN ROBERT K
O
JS
$103,516
13,951
---
1/17/26
---
$7.42
168,340
-7.7
D
R
1/21/26 - 9:25:42 pm
2
    
 
ZELDIN ROBERT K
O
JB
---
35,000
---
1/17/26
---
---
182,291
23.8
D
R
1/21/26 - 9:25:42 pm
3
    
 
WOLLIN ROBERT J
GC,SEC
JS
$201,869
27,206
---
1/17/26
---
$7.42
52,076
-34.3
D
R
1/21/26 - 9:21:24 pm
4
    
 
WOLLIN ROBERT J
GC,SEC
JB
---
50,000
---
1/17/26
---
---
79,282
170.8
D
R
1/21/26 - 9:21:24 pm
5
    
 
NAYLOR STUART
O
JS
$261,555
35,250
---
1/17/26
---
$7.42
682,916
-4.9
D
R
1/21/26 - 9:15:29 pm
6
    
 
NAYLOR STUART
O
JB
---
75,000
---
1/17/26
---
---
718,166
11.7
D
R
1/21/26 - 9:15:29 pm
7
    
 
GIROUX RICHARD
CFO,COO
JS
$1,216,257
163,916
---
1/17/26
---
$7.42
999,256
-14.1
D
R,10b
1/21/26 - 9:13:39 pm
8
    
 
GIROUX RICHARD
CFO,COO
JB
---
310,000
---
1/17/26
---
---
1,163,172
36.3
D
R,10b
1/21/26 - 9:13:39 pm
9
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
$1,216,257
163,916
---
1/17/26
---
$7.42
1,482,243
-10.0
D
R
1/21/26 - 9:10:52 pm
10
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JB
---
310,000
---
1/17/26
---
---
1,646,159
23.2
D
R
1/21/26 - 9:10:52 pm
11
    
 
ZELDIN ROBERT K
O
JS
$52,015
6,729
---
1/7/26
---
$7.73
147,291
-4.4
D
R
1/8/26 - 9:03:09 pm
12
    
 
ZELDIN ROBERT K
O
JB
---
17,500
---
1/7/26
---
---
154,020
12.8
D
R
1/8/26 - 9:03:09 pm
13
    
 
WOLLIN ROBERT J
GC,SEC
JS
$33,734
4,364
---
1/7/26
---
$7.73
29,282
-13.0
D
R
1/8/26 - 9:01:55 pm
14
    
 
WOLLIN ROBERT J
GC,SEC
JB
---
7,500
---
1/7/26
---
---
33,646
28.7
D
R
1/8/26 - 9:01:55 pm
15
    
 
NAYLOR STUART
O
JS
$136,241
17,625
---
1/7/26
---
$7.73
643,166
-2.7
D
R
1/8/26 - 9:00:30 pm
16
    
 
NAYLOR STUART
O
JB
---
37,500
---
1/7/26
---
---
660,791
6.0
D
R
1/8/26 - 9:00:30 pm
17
    
 
GIROUX RICHARD
CFO,COO
JS
$222,794
28,822
---
1/7/26
---
$7.73
853,172
-3.3
D
R
1/8/26 - 8:58:39 pm
18
    
 
GIROUX RICHARD
CFO,COO
JB
---
52,500
---
1/7/26
---
---
881,994
6.3
D
R
1/8/26 - 8:58:39 pm
19
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
$263,392
34,074
---
1/7/26
---
$7.73
1,336,159
-2.5
D
R
1/8/26 - 8:56:38 pm
20
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JB
---
62,500
---
1/7/26
---
---
1,370,233
4.8
D
R
1/8/26 - 8:56:38 pm
21
    
 
PERCEPTIVE ADVISORS LLC
DIR,BO
JS
$18,193,000
2,300,000
---
12/31/25
---
$7.91
10,231,103
-18.4
I
---
1/2/26 - 4:15:45 pm
22
    
 
FORBES ALEXANDRIA
PR,CEO,DIR
JS
---
6,250
---
12/23/25
---
---
1,307,733
-0.5
D
---
12/23/25 - 8:58:18 pm
23
    
 
WOLLIN ROBERT J
GC,SEC
JS
---
5,000
---
11/20/25
---
---
26,146
-16.1
D
---
11/24/25 - 8:54:16 pm
24
1y
6
67%
-9%
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
25
1y
11
55%
-5%
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
26
1y
6
67%
-9%
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
27
1y
11
55%
-5%
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
28
    
 
GIROUX RICHARD
CFO,COO
JS
---
5,000
---
6/30/25
---
---
877,494
-0.6
D
---
7/2/25 - 9:09:21 pm
29
    
 
HARRIS KEITH R
DIR
JB
---
75,000
---
6/6/25
---
---
125,000
150.0
D
R
6/9/25 - 8:57:34 pm
30
1y
6
67%
-9%
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
31
1y
11
55%
-5%
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
32
    
 
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
33
    
 
ZELDIN ROBERT K
O
JB
---
15,000
---
2/21/25
---
---
142,423
11.8
D
R
2/25/25 - 8:37:25 pm
34
    
 
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
35
    
 
WOLLIN ROBERT J
GC,SEC
JB
---
22,500
---
2/21/25
---
---
43,262
108.4
D
R
2/25/25 - 8:35:29 pm
36
    
 
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
37
    
 
NAYLOR STUART
O
JB
---
50,000
---
2/21/25
---
---
646,791
8.4
D
R
2/25/25 - 8:34:08 pm
38
    
 
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
39
    
 
GIROUX RICHARD
CFO,COO
JB
---
120,000
---
2/21/25
---
---
969,947
14.1
D
R
2/25/25 - 8:32:40 pm
40
    
 
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
41
    
 
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
42
1y
6
67%
-9%
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
43
    
 
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
44
    
 
ZELDIN ROBERT K
O
JB
---
37,500
---
1/14/25
---
---
142,572
35.7
D
R
1/16/25 - 6:14:15 pm
45
    
 
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
46
    
 
WOLLIN ROBERT J
GC,SEC
JB
---
5,000
---
1/14/25
---
---
23,671
26.8
D
R
1/16/25 - 6:12:13 pm
47
    
 
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
48
    
 
NAYLOR STUART
O
JB
---
23,750
---
1/14/25
---
---
607,954
4.1
D
R
1/16/25 - 6:10:28 pm
49
    
 
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
50
    
 
GIROUX RICHARD
CFO,COO
JB
---
25,000
---
1/14/25
---
---
887,166
2.9
D
R
1/16/25 - 6:07:44 pm
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