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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:
89BIO INC: ETNB
Price: 2/21/25 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
$11.06 $16.63 $5.99 $1,588 144 2,080 0.0% 8.9% 103.59% 1.40%
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#
View Form
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
JS
$11,099
1,050
---
2/17/25
---
$10.57
343,652
-0.3
D
R
2/19/25 - 4:01:10 pm
2
    
 
PALEKAR ROHAN
CEO,DIR
JS
$34,342
3,249
---
2/17/25
---
$10.57
862,240
-0.4
D
R
2/19/25 - 4:01:08 pm
3
    
 
MARTINS RYAN
CFO
JS
$8,245
780
---
2/17/25
---
$10.57
269,674
-0.3
D
R
2/19/25 - 4:01:07 pm
4
    
 
MANSBACH HARRY H
O
JS
$11,099
1,050
---
2/17/25
---
$10.57
318,834
-0.3
D
R
2/19/25 - 4:01:05 pm
5
    
 
PALEKAR ROHAN
CEO,DIR
JS
$102,074
8,946
---
2/9/25
---
$11.41
864,692
-1.0
D
R
2/11/25 - 4:01:08 pm
6
    
 
MARTINS RYAN
CFO
JS
$43,677
3,828
---
2/9/25
---
$11.41
270,454
-1.4
D
R
2/11/25 - 4:01:06 pm
7
    
 
LE NGUYEN QUOC
O
JS
$43,278
3,793
---
2/9/25
---
$11.41
344,702
-1.1
D
R
2/11/25 - 4:01:05 pm
8
    
 
MANSBACH HARRY H
O
JS
$43,552
3,817
---
2/9/25
---
$11.41
319,884
-1.2
D
R
2/11/25 - 4:01:03 pm
9
    
 
LE NGUYEN QUOC
O
JB
$84,000
8,750
---
2/1/25
---
$9.60
14,750
145.8
I
R
2/19/25 - 4:01:10 pm
10
    
 
MARTINS RYAN
CFO
JS
$32,045
3,338
---
2/1/25
---
$9.60
274,282
-1.2
D
R
2/4/25 - 9:35:09 pm
11
    
 
MARTINS RYAN
CFO
JB
---
80,000
---
2/1/25
---
---
277,620
40.5
D
R
2/4/25 - 9:35:09 pm
12
    
 
LE NGUYEN QUOC
O
JS
$32,045
3,338
---
2/1/25
---
$9.60
348,495
-0.9
D
R
2/4/25 - 9:34:50 pm
13
    
 
LE NGUYEN QUOC
O
JB
---
80,000
---
2/1/25
---
---
351,833
29.4
D
R
2/4/25 - 9:34:50 pm
14
    
 
PALEKAR ROHAN
CEO,DIR
JS
$92,141
9,598
---
2/1/25
---
$9.60
873,638
-1.1
D
R
2/4/25 - 9:32:31 pm
15
    
 
PALEKAR ROHAN
CEO,DIR
JB
---
412,000
---
2/1/25
---
---
883,236
87.4
D
R
2/4/25 - 9:32:31 pm
16
    
 
MANSBACH HARRY H
O
JS
$32,045
3,338
---
2/1/25
---
$9.60
323,701
-1.0
D
R
2/4/25 - 9:32:30 pm
17
    
 
MANSBACH HARRY H
O
JB
---
80,000
---
2/1/25
---
---
327,039
32.4
D
R
2/4/25 - 9:32:30 pm
18
    
 
SARENA FRANCIS WILLARD
COO
JB
---
53,750
---
2/1/25
---
---
78,750
215.0
D
R
2/4/25 - 9:29:06 pm
19
1y
9
22%
20%
60
RA CAPITAL MANAGEMENT L P
DIR,BO
JB*
$49,999,992
5,714,285
---
1/30/25
---
$8.75
19,554,320
41.3
I
---
2/3/25 - 5:38:09 pm
20
1m
2
50%
23%
2
MCWHERTER CHARLES
DIR
B
$99,850
15,000
1/21/25
1/22/25
$6.55
$6.71
25,000
150.0
D
---
1/23/25 - 7:38:31 pm
21
    
 
LE NGUYEN QUOC
O
AS
$71,150
10,963
---
1/15/25
---
$6.49
271,833
-3.9
D
10b
1/17/25 - 4:01:05 pm
22
    
 
LE NGUYEN QUOC
O
JB
---
6,000
---
12/12/24
---
---
6,000
New
I
R
2/19/25 - 4:01:10 pm
23
    
 
MANSBACH HARRY H
O
JB
---
95,000
---
12/12/24
---
---
247,039
62.5
D
R
12/16/24 - 6:11:30 am
24
    
 
LE NGUYEN QUOC
O
JB
---
95,000
---
12/12/24
---
---
282,796
50.6
D
R
12/16/24 - 6:10:57 am
25
    
 
MARTINS RYAN
CFO
JB
---
95,000
---
12/12/24
---
---
197,620
92.6
D
R
12/16/24 - 6:10:30 am
26
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
27
1m
2
50%
23%
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
28
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
29
    
 
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
30
    
 
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
31
    
 
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
32
    
 
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
33
    
 
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
34
    
 
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
35
    
 
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
36
    
 
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
37
    
 
SARENA FRANCIS WILLARD
COO
JB
---
25,000
---
8/5/24
---
---
25,000
New
D
R
8/7/24 - 6:05:05 pm
38
    
 
SARENA FRANCIS WILLARD
COO
3
---
---
---
7/30/24
---
---
---
---
---
---
8/7/24 - 6:00:04 pm
39
    
 
MCWHERTER CHARLES
DIR
3
---
---
---
7/30/24
---
---
---
---
---
---
8/7/24 - 6:00:02 pm
40
    
 
BABLER MARTIN
DIR
3
---
---
---
4/13/24
---
---
---
---
---
---
4/23/24 - 4:01:05 pm
41
1y
9
22%
20%
60
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
42
1y
3
100%
-39%
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
43
    
 
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
44
1y
9
22%
20%
60
RA CAPITAL MANAGEMENT L P
DIR,BO
B
$20,722,500
1,350,000
---
3/4/24
---
$15.35
12,431,584
12.2
I
---
3/6/24 - 5:40:19 pm
45
1y
3
100%
-39%
3
PALEKAR ROHAN
CEO,DIR
AS
$48,173
4,477
---
2/26/24
---
$10.76
486,889
-0.9
D
10b
2/28/24 - 6:43:17 pm
46
    
 
MARTINS RYAN
CFO
JS
$7,578
778
---
2/17/24
---
$9.74
106,609
-0.7
D
R
2/23/24 - 8:55:53 pm
47
    
 
PALEKAR ROHAN
CEO,DIR
JS
$44,823
4,602
---
2/17/24
---
$9.74
491,366
-0.9
D
R
2/23/24 - 8:51:53 pm
48
    
 
LE NGUYEN QUOC
O
JS
$10,188
1,046
---
2/17/24
---
$9.74
222,149
-0.5
D
R
2/23/24 - 8:50:09 pm
49
    
 
MANSBACH HARRY H
O
JS
$10,188
1,046
---
2/17/24
---
$9.74
158,437
-0.7
D
R
2/23/24 - 8:41:40 pm
50
    
 
MARTINS RYAN
CFO
JS
$30,150
3,568
---
2/9/24
---
$8.45
107,387
-3.2
D
R
2/13/24 - 9:12:45 pm
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