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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:
89BIO INC: ETNB
Price: 10/31/25 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
$14.84 $15.06 $4.16 $2,204 149 5,444 0.0% 6.3% 103.69% 0.60%
Exch Sector Industry Sub-Industry
NasdaqGM Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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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
    
 
LE NGUYEN QUOC
O
JB
---
95,000
---
12/12/24
---
---
282,796
50.6
D
R
12/16/24 - 6:10:57 am
2
    
 
MARTINS RYAN
CFO
JB
---
95,000
---
12/12/24
---
---
197,620
92.6
D
R
12/16/24 - 6:10:30 am
3
1y
2
100%
173%
3
PALEKAR ROHAN
CEO,DIR
B
$39,450
5,000
---
12/6/24
---
$7.89
471,236
1.1
D
---
12/10/24 - 6:02:26 am
4
1y
1
0%
-178%
2
MCWHERTER CHARLES
DIR
B
$80,000
10,000
---
12/5/24
---
$8.00
10,000
New
D
---
12/9/24 - 6:01:06 am
5
1y
2
100%
173%
3
PALEKAR ROHAN
CEO,DIR
B
$83,500
10,000
---
11/22/24
---
$8.35
466,236
2.2
D
---
11/25/24 - 6:05:30 am
6
    
 
LE NGUYEN QUOC
O
AS
$226,995
27,955
---
10/30/24
---
$8.12
187,796
-13.0
D
10b
11/1/24 - 4:01:03 pm
7
    
 
MANSBACH HARRY H
O
JS
$45,278
5,352
---
9/9/24
---
$8.46
152,039
-3.4
D
R
9/10/24 - 4:01:07 pm
8
    
 
MARTINS RYAN
CFO
JS
$27,174
3,212
---
9/9/24
---
$8.46
102,620
-3.0
D
R
9/10/24 - 4:01:05 pm
9
    
 
LE NGUYEN QUOC
O
JS
$45,278
5,352
---
9/9/24
---
$8.46
215,751
-2.4
D
R
9/10/24 - 4:01:04 pm
10
    
 
MANSBACH HARRY H
O
JS
$8,410
1,046
---
8/17/24
---
$8.04
157,391
-0.7
D
R
8/19/24 - 5:34:28 pm
11
    
 
PALEKAR ROHAN
CEO,DIR
JS
$36,992
4,601
---
8/17/24
---
$8.04
456,236
-1.0
D
R
8/19/24 - 5:29:17 pm
12
    
 
MARTINS RYAN
CFO
JS
$6,247
777
---
8/17/24
---
$8.04
105,832
-0.7
D
R
8/19/24 - 5:28:34 pm
13
    
 
LE NGUYEN QUOC
O
JS
$8,410
1,046
---
8/17/24
---
$8.04
221,103
-0.5
D
R
8/19/24 - 5:28:33 pm
14
    
 
SARENA FRANCIS WILLARD
COO
JB
---
25,000
---
8/5/24
---
---
25,000
New
D
R
8/7/24 - 6:05:05 pm
15
    
 
SARENA FRANCIS WILLARD
COO
3
---
---
---
7/30/24
---
---
---
---
---
---
8/7/24 - 6:00:04 pm
16
    
 
MCWHERTER CHARLES
DIR
3
---
---
---
7/30/24
---
---
---
---
---
---
8/7/24 - 6:00:02 pm
17
    
 
BABLER MARTIN
DIR
3
---
---
---
4/13/24
---
---
---
---
---
---
4/23/24 - 4:01:05 pm
18
1y
12
17%
1%
63
RA CAPITAL MANAGEMENT L P
DIR,BO
OB
$7,499,996
1,408,450
---
4/11/24
---
$5.33
13,840,034
11.3
I
---
4/15/24 - 4:15:15 pm
19
1y
5
100%
-35%
3
PALEKAR ROHAN
CEO,DIR
OS
$575,153
52,718
---
4/1/24
---
$10.91
459,171
-10.3
D
10b
4/3/24 - 4:01:07 pm
20
    
 
PALEKAR ROHAN
CEO,DIR
OE
$48,250
25,000
---
4/1/24
---
$1.93
511,889
5.1
D
10b
4/3/24 - 4:01:07 pm
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