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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
AMYLYX PHARMACEUTICALS INC: AMLX
Price: 12/20/24 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
$4.05 $19.95 $1.58 $278 69 1,367 0.0% 2.3% 82.48% 14.30%
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#
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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
    
 
YERAMIAN PATRICK D
O
OE
$67,991
11,965
---
5/15/23
$0.37
$6.88
220,382
5.7
D
10b
5/17/23 - 4:58:42 pm
2
    
 
YERAMIAN PATRICK D
O
OS
$1,513,942
49,579
---
4/17/23
$30.53
$30.94
208,417
-19.2
D
10b
4/19/23 - 7:45:13 pm
3
    
 
YERAMIAN PATRICK D
O
OE
$49,058
49,579
---
4/17/23
$0.37
$6.88
257,996
23.8
D
10b
4/19/23 - 7:45:13 pm
4
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$884,512
29,048
---
3/29/23
---
$30.45
6,997,302
-0.4
D
---
3/31/23 - 4:05:11 pm
5
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$4,896,561
160,964
3/27/23
3/28/23
$30.25
$30.37
7,026,350
-2.2
D
---
3/29/23 - 4:05:31 pm
6
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$2,024,495
63,448
---
3/21/23
$31.69
$32.17
7,187,314
-0.9
D
---
3/23/23 - 4:05:14 pm
7
1y
3
100%
-80%
4
FRATES JAMES M
CFO
AS
$1,036,459
32,500
---
3/16/23
$31.86
$32.46
34,009
-48.9
D
A,R,10b
3/24/23 - 6:48:19 pm
8
    
 
FRATES JAMES M
CFO
JB
---
21,667
---
3/16/23
---
---
55,676
63.7
D
A,R,10b
3/24/23 - 6:48:19 pm
9
    
 
FRATES JAMES M
CFO
OE
$223,600
32,500
---
3/16/23
---
$6.88
66,509
95.6
D
A,R,10b
3/24/23 - 6:48:19 pm
10
    
 
YERAMIAN PATRICK D
O
AS
$1,741,200
54,627
---
3/16/23
$31.85
$32.43
199,250
-21.5
D
A,R,10b
3/24/23 - 6:45:03 pm
11
    
 
YERAMIAN PATRICK D
O
JB
---
9,167
---
3/16/23
---
---
208,417
4.6
D
A,R,10b
3/24/23 - 6:45:03 pm
12
    
 
YERAMIAN PATRICK D
O
OE
$127,262
49,578
---
3/16/23
$0.33
$6.88
253,877
24.3
D
A,R,10b
3/24/23 - 6:45:03 pm
13
    
 
KLEE JUSTIN B
CEO,DIR
AS
$3,186,236
100,000
---
3/16/23
$31.84
$32.48
2,792,617
-3.5
D
R,10b
3/20/23 - 8:31:01 pm
14
    
 
KLEE JUSTIN B
CEO,DIR
JB
---
50,000
---
3/16/23
---
---
2,842,617
1.8
D
R,10b
3/20/23 - 8:31:01 pm
15
    
 
OLINGER MARGARET
O
JB
---
18,333
---
3/16/23
---
---
232,688
8.6
D
R
3/20/23 - 8:27:49 pm
16
1y
1
100%
-91%
4
MILNE GEORGE M JR
DIR
AS
$1,116,073
35,000
---
3/16/23
$31.86
$32.45
862,021
-3.9
D
10b
3/20/23 - 8:25:57 pm
17
    
 
YERAMIAN PATRICK D
O
AS
$1,741,200
54,627
---
3/16/23
$31.85
$32.43
149,672
-26.7
D
R,10b
3/20/23 - 8:25:55 pm
18
    
 
YERAMIAN PATRICK D
O
JB
---
9,167
---
3/16/23
---
---
158,839
6.1
D
R,10b
3/20/23 - 8:25:55 pm
19
    
 
MAZZARIELLO GINA
LO
JB
---
18,333
---
3/16/23
---
---
55,747
49.0
D
R
3/20/23 - 8:25:08 pm
20
    
 
FIRESTONE KAREN
DIR
B
$31,990
1,000
---
3/16/23
---
$31.99
1,000
New
D
---
3/20/23 - 8:22:25 pm
21
    
 
COHEN JOSHUA B
CEO,DIR
AS
$3,186,336
100,000
---
3/16/23
$31.84
$32.45
2,792,617
-3.5
D
R,10b
3/20/23 - 8:21:04 pm
22
    
 
COHEN JOSHUA B
CEO,DIR
JB
---
50,000
---
3/16/23
---
---
2,842,617
1.8
D
R,10b
3/20/23 - 8:21:04 pm
23
1y
3
100%
-80%
4
FRATES JAMES M
CFO
AS
$1,036,459
32,500
---
3/16/23
$31.86
$32.46
1,509
-95.6
D
R,10b
3/20/23 - 8:18:57 pm
24
    
 
FRATES JAMES M
CFO
JB
---
21,667
---
3/16/23
---
---
23,176
1,435.9
D
R,10b
3/20/23 - 8:18:57 pm
25
    
 
FIRESTONE KAREN
DIR
3
---
---
---
3/16/23
---
---
---
---
---
---
3/20/23 - 8:09:07 pm
26
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$296,921
9,122
---
3/16/23
---
$32.55
7,250,762
-0.1
D
---
3/17/23 - 4:05:09 pm
27
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$7,433,459
220,714
3/14/23
3/15/23
$33.12
$33.68
7,259,884
-3.0
D
---
3/16/23 - 4:11:53 pm
28
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$1,687,500
50,000
---
3/2/23
---
$33.75
7,480,598
-0.7
D
---
3/6/23 - 9:10:38 am
29
    
 
MAZZARIELLO GINA
LO
AS
$123,672
3,586
---
2/24/23
---
$34.49
37,414
-8.7
D
10b
2/28/23 - 4:42:39 pm
30
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$3,578,103
100,000
2/22/23
2/23/23
$35.55
$36.24
7,580,598
-1.3
D
---
2/24/23 - 4:13:58 pm
31
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
S
$74,638
2,112
---
2/22/23
---
$35.34
7,530,598
-0.0
D
---
2/28/23 - 4:06:25 pm
32
1y
9
100%
-70%
4
MORNINGSIDE VENTURE INVESTMENTS LTD
BO
JS*
$1,661,714
47,888
---
2/22/23
---
$34.70
7,532,710
-0.6
D
---
2/28/23 - 4:06:25 pm
33
    
 
YERAMIAN PATRICK D
O
AS
$73,831
2,034
---
1/6/23
$36.08
$36.79
204,299
-1.0
D
10b
1/10/23 - 7:22:45 pm
34
    
 
COHEN JOSHUA B
CEO,DIR
AS
$216,629
5,968
---
1/6/23
$36.08
$36.79
2,892,617
-0.2
D
10b
1/10/23 - 7:20:58 pm
35
1y
3
100%
-80%
4
FRATES JAMES M
CFO
AS
$96,481
2,658
---
1/6/23
$36.08
$36.79
34,009
-7.2
D
10b
1/10/23 - 7:20:38 pm
36
    
 
OLINGER MARGARET
O
AS
$87,225
2,403
---
1/6/23
$36.08
$36.79
214,355
-1.1
D
10b
1/10/23 - 7:19:15 pm
37
    
 
KLEE JUSTIN B
CEO,DIR
AS
$216,629
5,968
---
1/6/23
$36.08
$36.79
2,892,617
-0.2
D
10b
1/10/23 - 7:12:48 pm
38
1y
2
0%
-71%
4
FRATES JAMES M
CFO
OB
$34,400
5,000
---
12/30/22
---
$6.88
36,667
15.8
D
---
1/4/23 - 9:33:55 pm
39
    
 
MILNE GEORGE M JR
DIR
JS
---
13,800
---
12/29/22
---
---
897,021
-1.5
D
---
2/14/23 - 4:35:32 pm
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