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Detailed Insider History for:
MBX BIOSCIENCES INC: MBX
Price: 10/24/25 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
$17.00 $27.50 $4.81 $760 45 1,209 0.0% 14.0% 86.51% 2.33%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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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
6m
1
100%
4%
2
HAWRYLUK P KENT
PR,CEO,DIR
OB
$594,292
182,859
---
10/24/25
---
$3.25
664,256
38.0
D
---
10/28/25 - 8:03:15 am
2
6m
1
100%
4%
2
HAWRYLUK P KENT
PR,CEO,DIR
B
$272,790
20,000
---
10/20/25
---
$13.64
468,277
4.5
I
---
10/21/25 - 5:43:44 pm
3
1w
1
100%
23%
4
HOERTER STEVEN L
DIR
B
$264,984
20,000
---
10/17/25
---
$13.25
20,000
New
I
---
10/20/25 - 4:44:37 pm
4
1y
1
0%
-54%
8
HERON PATRICK J
DIR,BO
B
$11,999,988
666,666
---
9/26/25
---
$18.00
5,219,440
14.6
I
---
9/30/25 - 4:59:56 pm
5
6m
1
100%
153%
2
PESCOVITZ ORA H
DIR
B
$45,312
7,693
---
4/8/25
---
$5.89
24,329
46.2
D
---
4/10/25 - 8:39:55 am
6
    
 
HOERTER STEVEN L
DIR
3
---
---
---
4/7/25
---
---
---
---
---
---
4/7/25 - 8:24:23 am
7
1y
1
0%
-54%
19
GORDON CARL L
DIR,BO
B
$2,020,756
190,672
2/14/25
2/18/25
$9.85
$10.84
3,255,000
6.2
I
---
2/19/25 - 5:56:33 pm
8
1y
1
0%
-54%
88
ORBIMED ADVISORS LLC
DIR,BO
B
$2,020,756
190,672
2/14/25
2/18/25
$9.85
$10.84
3,255,000
6.2
I
---
2/19/25 - 5:52:03 pm
9
6m
1
100%
4%
2
HAWRYLUK P KENT
PR,CEO,DIR
B
$534,500
50,000
---
2/4/25
---
$10.69
448,277
12.6
I
---
2/5/25 - 4:17:07 pm
10
1y
1
0%
-54%
5
MATHERS EDWARD T
DIR,BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:28:00 pm
11
    
 
MATHERS EDWARD T
DIR,BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:28:00 pm
12
1y
1
0%
-54%
50
BASKETT FOREST
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:26:31 pm
13
    
 
BASKETT FOREST
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:26:31 pm
14
1y
1
0%
-54%
12
BEHBAHANI ALI
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:24:49 pm
15
    
 
BEHBAHANI ALI
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:24:49 pm
16
1y
1
0%
-54%
13
CHANG CARMEN
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:23:24 pm
17
    
 
CHANG CARMEN
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:23:24 pm
18
1y
1
0%
-54%
31
FLORENCE ANTHONY A JR
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:21:45 pm
19
    
 
FLORENCE ANTHONY A JR
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:21:45 pm
20
1y
1
0%
-54%
18
MAKHZOUMI MOHAMAD
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:20:13 pm
21
    
 
MAKHZOUMI MOHAMAD
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:20:13 pm
22
1y
1
0%
-54%
13
WALKER PAUL EDWARD
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:18:53 pm
23
    
 
WALKER PAUL EDWARD
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:18:53 pm
24
    
 
YANG RICK
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:17:16 pm
25
    
 
YANG RICK
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:17:16 pm
26
1y
1
0%
-54%
59
SANDELL SCOTT D
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
I
---
9/17/24 - 8:14:42 pm
27
    
 
SANDELL SCOTT D
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
I
---
9/17/24 - 8:14:42 pm
28
1y
1
0%
-54%
88
ORBIMED ADVISORS LLC
DIR,BO
JB*
$12,000,000
750,000
---
9/16/24
---
$16.00
3,158,428
31.1
I
---
9/17/24 - 8:13:00 pm
29
    
 
ORBIMED ADVISORS LLC
DIR,BO
JB
---
3,062,215
---
9/16/24
---
---
2,658,428
---
I
---
9/17/24 - 8:13:00 pm
30
    
 
NEW ENTERPRISE ASSOCIATES 17 L P
BO
JB*
$8,000,000
500,000
---
9/16/24
---
$16.00
3,614,486
16.1
D
---
9/17/24 - 8:12:45 pm
31
    
 
NEW ENTERPRISE ASSOCIATES 17 L P
BO
JB
---
3,114,486
---
9/16/24
---
---
3,114,486
New
D
---
9/17/24 - 8:12:45 pm
32
    
 
FRAZIER LIFE SCIENCES X L P
BO
JB*
$10,000,000
625,000
---
9/16/24
---
$16.00
4,552,774
15.9
D
---
9/17/24 - 8:11:37 pm
33
    
 
FRAZIER LIFE SCIENCES X L P
BO
JB
---
3,927,774
---
9/16/24
---
---
3,927,774
New
D
---
9/17/24 - 8:11:37 pm
34
    
 
CORNELIUS JAMES M
DIR
JB
---
102,082
---
9/16/24
---
---
102,082
New
D
---
9/17/24 - 8:11:02 pm
35
1y
1
0%
-54%
8
HERON PATRICK J
DIR,BO
JB*
$10,000,000
625,000
---
9/16/24
---
$16.00
4,552,774
15.9
I
---
9/17/24 - 8:09:12 pm
36
    
 
HERON PATRICK J
DIR,BO
JB
---
3,927,774
---
9/16/24
---
---
3,927,774
New
I
---
9/17/24 - 8:09:12 pm
37
    
 
HAWRYLUK P KENT
PR,CEO,DIR
JB
---
115,914
---
9/16/24
---
---
398,277
41.1
I
---
9/17/24 - 8:07:34 pm
38
    
 
HAWRYLUK P KENT
PR,CEO,DIR
JB
---
283,846
---
9/16/24
---
---
481,397
143.7
D
---
9/17/24 - 8:07:34 pm
39
    
 
AYNECHI TIBA
DIR
JB*
$12,000,000
750,000
---
9/16/24
---
$16.00
2,136,335
54.1
I
---
9/17/24 - 8:05:29 pm
40
    
 
AYNECHI TIBA
DIR
JB
---
1,386,335
---
9/16/24
---
---
1,386,335
New
I
---
9/17/24 - 8:05:29 pm
41
1y
1
0%
-54%
19
GORDON CARL L
DIR,BO
JB*
$12,000,000
750,000
---
9/16/24
---
$16.00
3,158,428
31.1
I
---
9/17/24 - 8:05:10 pm
42
    
 
GORDON CARL L
DIR,BO
JB
---
3,062,215
---
9/16/24
---
---
2,658,428
---
I
---
9/17/24 - 8:05:10 pm
43
    
 
WELLINGTON BIOMEDICAL INNOVATION MASTER INVESTORS
BO
JB
---
1,790,122
---
9/16/24
---
---
1,790,122
New
D
---
9/17/24 - 7:15:36 pm
44
    
 
WELLINGTON BIOMEDICAL INNOVATION MASTER INVESTORS
BO
3
---
---
---
9/12/24
---
---
---
---
---
---
9/12/24 - 7:52:51 pm
45
    
 
YANG RICK
BO
3
---
---
---
9/12/24
---
---
---
---
---
---
9/12/24 - 7:38:54 pm
46
    
 
WALKER PAUL EDWARD
BO
3
---
---
---
9/12/24
---
---
---
---
---
---
9/12/24 - 7:36:49 pm
47
    
 
HAWRYLUK P KENT
PR,CEO,DIR
3
---
---
---
9/12/24
---
---
197,551
---
D
---
9/12/24 - 7:34:05 pm
48
    
 
HAWRYLUK P KENT
PR,CEO,DIR
3
---
---
---
9/12/24
---
---
282,363
---
I
---
9/12/24 - 7:34:05 pm
49
    
 
SANDELL SCOTT D
BO
3
---
---
---
9/12/24
---
---
---
---
---
---
9/12/24 - 7:33:14 pm
50
    
 
MATHERS EDWARD T
DIR,BO
3
---
---
---
9/12/24
---
---
---
---
---
---
9/12/24 - 7:31:50 pm
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