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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
AMYLYX PHARMACEUTICALS INC: AMLX
Price: 3/28/25 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
$3.66 $7.27 $1.58 $324 89 820 0.0% 4.6% 65.66% 11.70%
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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
100%
-79%
4
FRATES JAMES M
CFO
S
$37,806
10,896
---
3/31/25
---
$3.47
290,988
-3.6
D
R
4/2/25 - 5:22:59 pm
2
6m
1
0%
21%
2
BEDROSIAN CAMILLE L
O
S
$43,082
12,425
---
3/31/25
---
$3.47
194,375
-6.0
D
R
4/2/25 - 5:14:24 pm
3
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
S
$31,954
9,192
---
3/31/25
---
$3.48
187,969
-4.7
D
R
4/2/25 - 5:12:23 pm
4
1y
4
100%
-76%
1
COHEN JOSHUA B
CEO,DIR
S
$74,482
21,490
---
3/31/25
---
$3.47
3,355,280
-0.6
D
R
4/2/25 - 4:57:43 pm
5
1y
4
100%
-76%
1
KLEE JUSTIN B
CEO,DIR
S
$74,454
21,490
---
3/31/25
---
$3.46
3,355,276
-0.6
D
R
4/2/25 - 4:52:50 pm
6
    
 
ZEIHER BERNHARDT G
DIR
B
$37,005
10,000
---
3/20/25
---
$3.70
10,000
New
D
---
3/24/25 - 4:15:37 pm
7
    
 
MAZZARIELLO GINA
LO
JB
---
63,851
---
3/6/25
---
---
197,161
47.9
D
R
3/10/25 - 8:34:21 pm
8
    
 
BEDROSIAN CAMILLE L
O
JB
---
68,420
---
3/6/25
---
---
206,800
49.4
D
R
3/10/25 - 8:32:03 pm
9
    
 
KLEE JUSTIN B
CEO,DIR
JB
---
180,118
---
3/6/25
---
---
3,376,766
5.6
D
R
3/10/25 - 8:30:43 pm
10
    
 
COHEN JOSHUA B
CEO,DIR
JB
---
180,118
---
3/6/25
---
---
3,376,770
5.6
D
R
3/10/25 - 8:28:36 pm
11
    
 
FRATES JAMES M
CFO
JB
---
68,420
---
3/6/25
---
---
301,884
29.3
D
R
3/10/25 - 8:28:19 pm
12
1y
4
100%
-76%
1
KLEE JUSTIN B
CEO,DIR
S
$14,483
4,595
---
3/3/25
---
$3.15
3,196,648
-0.1
D
R
3/5/25 - 4:35:19 pm
13
1y
4
100%
-76%
1
COHEN JOSHUA B
CEO,DIR
S
$14,549
4,595
---
3/3/25
---
$3.17
3,196,652
-0.1
D
R
3/5/25 - 4:32:37 pm
14
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
S
$5,022
1,611
---
3/3/25
---
$3.12
133,310
-1.2
D
R
3/5/25 - 4:32:20 pm
15
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
S
$13,145
4,169
---
2/24/25
---
$3.15
134,921
-3.0
D
R
2/26/25 - 4:35:10 pm
16
1y
1
100%
280%
1
KLEE JUSTIN B
CEO,DIR
OB
$57,007
36,310
---
2/5/25
---
$1.57
3,201,243
1.1
D
---
2/6/25 - 8:17:12 pm
17
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
S
$12,839
3,678
---
2/3/25
---
$3.49
139,090
-2.6
D
R
2/5/25 - 4:58:27 pm
18
1y
4
100%
-76%
1
COHEN JOSHUA B
CEO,DIR
S
$41,108
11,851
---
2/3/25
---
$3.47
3,201,247
-0.4
D
R
2/5/25 - 4:55:39 pm
19
1y
4
100%
-76%
1
KLEE JUSTIN B
CEO,DIR
S
$41,104
11,855
---
2/3/25
---
$3.47
3,164,933
-0.4
D
R
2/5/25 - 4:54:04 pm
20
    
 
MILNE GEORGE M JR
DIR
JS
---
27,910
---
1/24/25
---
---
830,661
-3.3
D
---
1/28/25 - 4:55:45 pm
21
1y
4
100%
-76%
1
KLEE JUSTIN B
CEO,DIR
S
$30,202
7,471
---
1/6/25
---
$4.04
3,176,788
-0.2
D
R
1/8/25 - 5:29:55 pm
22
1y
4
100%
-76%
1
COHEN JOSHUA B
CEO,DIR
S
$30,232
7,471
---
1/6/25
---
$4.05
3,213,098
-0.2
D
R
1/8/25 - 5:26:01 pm
23
6m
1
0%
21%
2
BEDROSIAN CAMILLE L
O
S
$30,007
5,421
---
12/2/24
---
$5.54
138,380
-3.8
D
R
12/3/24 - 5:21:26 pm
24
1y
1
100%
280%
1
KLEE JUSTIN B
CEO,DIR
OB
$99,993
63,690
---
11/4/24
---
$1.57
3,184,259
2.0
D
---
11/6/24 - 7:24:39 pm
25
1y
4
100%
-76%
1
KLEE JUSTIN B
CEO,DIR
S
$59,429
18,589
---
9/30/24
---
$3.20
3,120,569
-0.6
D
R
10/2/24 - 6:53:53 pm
26
1y
4
100%
-76%
1
COHEN JOSHUA B
CEO,DIR
S
$59,414
18,589
---
9/30/24
---
$3.20
3,220,569
-0.6
D
R
10/2/24 - 6:53:51 pm
27
6m
1
0%
21%
2
BEDROSIAN CAMILLE L
O
S
$36,559
11,442
---
9/30/24
---
$3.20
143,801
-7.4
D
R
10/2/24 - 6:50:13 pm
28
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
S
$27,840
8,709
---
9/30/24
---
$3.20
142,768
-5.7
D
R
10/2/24 - 6:48:20 pm
29
1y
2
50%
110%
1
COHEN JOSHUA B
CEO,DIR
OB
$2,915
1,857
---
9/23/24
---
$1.57
3,239,158
0.1
D
---
9/25/24 - 5:56:10 pm
30
1y
2
50%
110%
1
COHEN JOSHUA B
CEO,DIR
OB
$54,085
34,449
---
9/12/24
---
$1.57
3,237,301
1.1
D
---
9/16/24 - 5:39:13 pm
31
1y
2
0%
-71%
4
FRATES JAMES M
CFO
B
$101,368
40,000
---
9/12/24
---
$2.53
233,464
20.7
D
---
9/16/24 - 5:30:37 pm
32
1y
2
0%
-81%
1
FIRESTONE KAREN
DIR
B
$106,590
50,000
---
9/5/24
---
$2.13
55,000
1,000.0
D
---
9/9/24 - 4:05:06 pm
33
1y
1
100%
117%
4
MILNE GEORGE M JR
DIR
B
$219,800
100,000
---
9/3/24
---
$2.20
858,571
13.2
D
---
9/5/24 - 7:26:07 pm
34
9m
1
100%
96%
3
QUIMI DAPHNE
DIR
B
$9,436
5,000
5/14/24
5/15/24
$1.88
$1.89
5,000
New
D
---
5/16/24 - 7:37:39 pm
35
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
AS
$19,654
10,455
---
5/15/24
---
$1.88
151,477
-6.5
D
10b
5/16/24 - 7:36:33 pm
36
    
 
FRATES JAMES M
CFO
JB
---
91,180
---
4/16/24
---
---
225,964
67.6
D
R
4/18/24 - 8:23:43 pm
37
    
 
COHEN JOSHUA B
CEO,DIR
JB
---
179,850
---
4/16/24
---
---
3,202,852
5.9
D
R
4/18/24 - 8:21:31 pm
38
    
 
MAZZARIELLO GINA
LO
JB
---
80,560
---
4/16/24
---
---
161,932
99.0
D
R
4/18/24 - 8:20:13 pm
39
    
 
KLEE JUSTIN B
CEO,DIR
JB
---
179,850
---
4/16/24
---
---
3,139,158
6.1
D
R
4/18/24 - 8:20:10 pm
40
    
 
BEDROSIAN CAMILLE L
O
JB
---
96,910
---
4/16/24
---
---
155,243
166.1
D
R
4/18/24 - 8:19:34 pm
41
    
 
ZEIHER BERNHARDT G
DIR
3
---
---
---
3/14/24
---
---
---
---
---
---
3/15/24 - 4:31:36 pm
42
1y
4
100%
-76%
1
COHEN JOSHUA B
CEO,DIR
S
$77,440
4,135
---
3/5/24
---
$18.73
3,023,002
-0.1
D
R
3/7/24 - 4:05:17 pm
43
1y
4
100%
-76%
1
KLEE JUSTIN B
CEO,DIR
S
$77,440
4,135
---
3/5/24
---
$18.73
2,959,308
-0.1
D
R
3/7/24 - 4:05:13 pm
44
1y
5
100%
-79%
4
FRATES JAMES M
CFO
S
$33,560
1,792
---
3/5/24
---
$18.73
134,784
-1.3
D
R
3/7/24 - 4:05:11 pm
45
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
S
$28,841
1,540
---
3/5/24
---
$18.73
81,372
-1.9
D
R
3/7/24 - 4:05:10 pm
46
    
 
FRATES JAMES M
CFO
JB
---
40,000
---
2/26/24
---
---
152,035
35.7
D
R
2/28/24 - 6:44:10 pm
47
    
 
COHEN JOSHUA B
CEO,DIR
JB
---
126,667
---
2/26/24
---
---
3,027,137
4.4
D
R
2/28/24 - 6:22:38 pm
48
    
 
KLEE JUSTIN B
CEO,DIR
JB
---
126,667
---
2/26/24
---
---
2,963,443
4.5
D
R
2/28/24 - 6:20:18 pm
49
    
 
MAZZARIELLO GINA
LO
JB
---
36,667
---
2/26/24
---
---
82,912
79.3
D
R
2/28/24 - 6:13:32 pm
50
1y
4
100%
-74%
1
MAZZARIELLO GINA
LO
S
$53,231
2,838
---
2/23/24
---
$18.76
46,245
-5.8
D
R
2/27/24 - 5:59:17 pm
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