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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
AMBRX BIOPHARMA INC: AMAM
Price: 4/14/23 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
$11.03 $13.07 $0.38 $609 55 4,600 0.0% 0.0% 0.00% 0.00%
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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
    
 
O CONNOR DANIEL J
PR,CEO,DIR
JS
---
48,202
---
3/7/24
---
---
---
All
D
R
3/7/24 - 5:46:49 pm
2
    
 
NELSON SONJA
CFO
JS
---
22,936
---
3/7/24
---
---
---
All
D
R
3/7/24 - 5:41:36 pm
3
    
 
AROMANDO ANDREW
COO
JB
---
100,000
---
12/11/23
---
---
109,263
1,079.6
D
R
12/11/23 - 5:19:44 pm
4
    
 
NELSON SONJA
CFO
JB
---
50,000
---
12/11/23
---
---
545,776
10.1
D
R
12/11/23 - 5:17:24 pm
5
    
 
O CONNOR DANIEL J
PR,CEO,DIR
JB
---
750,000
---
12/11/23
---
---
1,363,332
122.3
D
R
12/11/23 - 5:15:00 pm
6
    
 
NELSON SONJA
CFO
AS
$125,480
12,778
---
10/27/23
---
$9.82
130,079
-8.9
D
R,10b
10/31/23 - 5:00:15 pm
7
    
 
O CONNOR DANIEL J
PR,CEO,DIR
AS
$491,118
50,012
---
10/27/23
---
$9.82
342,845
-12.7
D
R,10b
10/31/23 - 5:00:11 pm
8
    
 
CORMORANT ASSET MANAGEMENT LP
BO
B
$9,139,542
1,307,311
---
10/23/23
---
$6.99
11,231,000
13.2
I
---
10/25/23 - 4:15:18 pm
9
3m
1
100%
43%
20
CORMORANT ASSET MANAGEMENT LP
BO
B
$19,625,600
2,152,738
9/15/23
9/18/23
$9.05
$9.24
69,465,824
3.2
I
---
9/19/23 - 4:49:06 pm
10
    
 
DALESANDRO MARGARET
DIR
JB
---
195,833
---
9/1/23
---
---
125,000
---
D
R
9/6/23 - 5:52:23 pm
11
    
 
DALESANDRO MARGARET
DIR
3
---
---
---
9/1/23
---
---
---
---
---
---
9/6/23 - 5:49:15 pm
12
    
 
GLOVER STEPHEN C
DIR
JB
---
85,000
---
6/7/23
---
---
85,000
New
D
R
6/9/23 - 4:17:34 pm
13
    
 
LOESBERG JANET
DIR
JB
---
85,000
---
6/7/23
---
---
85,000
New
D
R
6/9/23 - 4:05:21 pm
14
    
 
MAIER PAUL V
DIR
JB
---
85,000
---
6/7/23
---
---
85,000
New
D
R
6/9/23 - 4:05:18 pm
15
    
 
HERMANS KATE
DIR
JB
---
85,000
---
6/7/23
---
---
85,000
New
D
R
6/9/23 - 4:05:15 pm
16
    
 
GLOVER STEPHEN C
DIR
3
---
---
---
5/18/23
---
---
---
---
---
---
5/19/23 - 4:05:12 pm
17
    
 
AROMANDO ANDREW
COO
3
---
---
---
4/28/23
---
---
---
---
---
---
5/5/23 - 4:05:16 pm
18
    
 
NELSON SONJA
CFO,OO
JB
---
1,000,000
---
4/26/23
---
---
1,000,000
New
D
R
4/28/23 - 6:00:38 pm
19
    
 
O CONNOR DANIEL J
PR,CEO,DIR
JB
---
2,750,000
---
4/26/23
---
---
2,750,000
New
D
R
4/28/23 - 5:59:12 pm
20
3m
1
100%
43%
20
CORMORANT ASSET MANAGEMENT LP
BO
B
$58,950,688
5,215,189
4/18/23
4/20/23
$11.15
$11.60
67,313,088
8.4
I
---
4/20/23 - 6:04:35 pm
21
3m
1
100%
43%
20
CORMORANT ASSET MANAGEMENT LP
BO
JB*
$8,384,308
841,967
---
4/14/23
---
$9.96
61,535,776
1.4
I
---
4/17/23 - 5:46:21 pm
22
3m
1
100%
43%
20
CORMORANT ASSET MANAGEMENT LP
BO
B
$10,211,400
1,000,000
3/14/23
3/16/23
$9.95
$10.15
53,500,000
1.9
I
---
3/16/23 - 6:04:35 pm
23
    
 
CORMORANT ASSET MANAGEMENT LP
BO
3
---
---
---
3/3/23
---
---
52,500,000
---
I
---
3/13/23 - 4:01:23 pm
24
    
 
COMMODORE CAPITAL LP
BO
3
---
---
---
2/23/23
---
---
35,700,000
---
I
---
3/3/23 - 4:05:49 pm
25
    
 
DARWIN GLOBAL MANAGEMENT LTD
BO
3
---
---
---
1/1/23
---
---
---
---
---
---
3/8/23 - 10:50:53 am
26
    
 
WUXI APPTEC CO LTD
BO
3
---
---
---
1/1/23
---
---
7,996,920
---
I
---
1/9/23 - 6:34:16 pm
27
    
 
WUXI APPTEC CO LTD
BO
3
---
---
---
1/1/23
---
---
21,270,768
---
I
---
1/9/23 - 6:34:16 pm
28
    
 
HOPU REUNION CO LTD
BO
3
---
---
---
1/1/23
---
---
38,952,408
---
D
---
1/3/23 - 6:43:06 pm
29
    
 
RUPALLA KATRIN
DIR
3
---
---
---
1/1/23
---
---
---
---
---
---
1/3/23 - 6:40:33 pm
30
    
 
O CONNOR DANIEL J
PR,CEO,DIR
3
---
---
---
1/1/23
---
---
---
---
---
---
1/3/23 - 6:35:53 pm
31
    
 
NELSON SONJA
CFO,OO
3
---
---
---
1/1/23
---
---
---
---
---
---
1/3/23 - 6:32:44 pm
32
    
 
MAIER PAUL V
DIR
3
---
---
---
1/1/23
---
---
---
---
---
---
1/3/23 - 6:30:29 pm
33
    
 
LOESBERG JANET
DIR
3
---
---
---
1/1/23
---
---
---
---
---
---
1/3/23 - 6:28:12 pm
34
    
 
HU EDWARD
DIR
3
---
---
---
1/1/23
---
---
1,215,472
---
I
---
1/3/23 - 6:24:18 pm
35
    
 
HERMANS KATE
DIR
3
---
---
---
1/1/23
---
---
---
---
---
---
1/3/23 - 6:06:27 pm
36
    
 
CHANG XIAOWEI
DIR
3
---
---
---
1/1/23
---
---
---
---
---
---
1/3/23 - 6:04:40 pm
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