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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: 4/10/24 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
$10.54 $22.93 $6.58 $986 94 1,316 0.0% 13.6% 106.41% 0.89%
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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
    
 
MARTINS RYAN
CFO
JB
---
5,834
---
6/30/23
---
---
59,412
10.9
D
R
7/5/23 - 8:36:43 pm
2
1m
1
100%
-5%
3
PALEKAR ROHAN
CEO,DIR
OS
$300,000
15,000
---
6/5/23
---
$20.00
286,978
-5.0
D
10b
6/7/23 - 5:04:21 pm
3
    
 
PALEKAR ROHAN
CEO,DIR
OE
$28,950
15,000
---
6/5/23
---
$1.93
301,978
5.2
D
10b
6/7/23 - 5:04:21 pm
4
    
 
ATKINSON EDWARD MORROW III
DIR
OS
$111,938
6,250
---
6/1/23
---
$17.91
---
All
D
10b
6/5/23 - 5:03:24 pm
5
    
 
ATKINSON EDWARD MORROW III
DIR
OE
$16,313
6,250
---
6/1/23
---
$2.61
6,250
New
D
10b
6/5/23 - 5:03:24 pm
6
    
 
LE NGUYEN QUOC
O
OS*
$247,799
13,683
---
5/9/23
---
$18.11
164,971
-7.7
D
10b
5/11/23 - 5:01:42 pm
7
    
 
LE NGUYEN QUOC
O
OE*
$247,466
79,571
---
5/9/23
---
$3.11
178,654
80.3
D
10b
5/11/23 - 5:01:42 pm
8
    
 
MARTINS RYAN
CFO
AS
$130,379
8,721
---
4/4/23
---
$14.95
53,578
-14.0
D
10b
4/6/23 - 4:06:27 pm
9
    
 
MARTINS RYAN
CFO
JS
$70,241
4,612
---
3/31/23
---
$15.23
57,393
-7.4
D
R
4/4/23 - 4:20:49 pm
10
    
 
MARTINS RYAN
CFO
JB
---
13,333
---
3/31/23
---
---
64,893
25.9
D
R
4/4/23 - 4:20:49 pm
11
    
 
PALEKAR ROHAN
CEO,DIR
JS
$235,197
15,443
---
3/31/23
---
$15.23
286,970
-5.1
D
R
4/4/23 - 4:18:01 pm
12
    
 
PALEKAR ROHAN
CEO,DIR
JB
---
33,333
---
3/31/23
---
---
302,413
12.4
D
R
4/4/23 - 4:18:01 pm
13
    
 
MANSBACH HARRY H
O
JS
$43,893
2,882
---
3/31/23
---
$15.23
100,122
-2.8
D
R
4/4/23 - 4:05:33 pm
14
    
 
MANSBACH HARRY H
O
JB
---
8,333
---
3/31/23
---
---
103,004
8.8
D
R
4/4/23 - 4:05:33 pm
15
    
 
LE NGUYEN QUOC
O
JS
$63,646
4,179
---
3/31/23
---
$15.23
96,630
-4.1
D
R
4/4/23 - 4:05:28 pm
16
    
 
LE NGUYEN QUOC
O
JB
---
12,083
---
3/31/23
---
---
100,380
13.7
D
R
4/4/23 - 4:05:28 pm
17
1y
2
50%
-25%
4
HAYDEN MICHAEL R
DIR
JB*
$993,839
61,538
---
3/28/23
---
$16.15
61,538
New
I
---
3/30/23 - 4:26:36 pm
18
1y
6
17%
-47%
52
RA CAPITAL MANAGEMENT L P
DIR,BO
B
$39,999,992
2,461,538
---
3/24/23
---
$16.25
11,081,584
28.6
I
---
3/30/23 - 5:00:15 pm
19
    
 
MARTINS RYAN
CFO
AS
$80,550
5,000
---
3/23/23
---
$16.11
53,578
-8.5
D
10b
3/27/23 - 7:20:58 pm
20
1m
1
100%
-5%
3
PALEKAR ROHAN
CEO,DIR
AS
$240,000
15,000
---
3/23/23
---
$16.00
269,080
-5.3
D
10b
3/27/23 - 7:18:38 pm
21
    
 
ATKINSON EDWARD MORROW III
DIR
OS
$136,000
10,000
---
3/1/23
---
$13.60
---
All
D
10b
3/3/23 - 5:18:08 pm
22
    
 
ATKINSON EDWARD MORROW III
DIR
OE
$44,400
10,000
---
3/1/23
---
$4.44
10,000
New
D
10b
3/3/23 - 5:18:08 pm
23
    
 
MARTINS RYAN
CFO
AS
$35,281
2,540
---
2/21/23
---
$13.89
58,578
-4.2
D
R,10b
2/22/23 - 6:39:23 pm
24
    
 
MANSBACH HARRY H
O
JS
$29,714
2,127
---
2/17/23
---
$13.97
94,671
-2.2
D
R
2/22/23 - 6:41:51 pm
25
    
 
MARTINS RYAN
CFO
JS
$24,448
1,750
---
2/17/23
---
$13.97
61,118
-2.8
D
R,10b
2/22/23 - 6:39:23 pm
26
    
 
LE NGUYEN QUOC
O
JS
$29,896
2,140
---
2/17/23
---
$13.97
91,179
-2.3
D
R
2/22/23 - 6:39:19 pm
27
    
 
PALEKAR ROHAN
CEO,DIR
JS
$87,718
6,279
---
2/17/23
---
$13.97
284,072
-2.2
D
R
2/22/23 - 6:38:59 pm
28
    
 
MARTINS RYAN
CFO
JB
---
30,000
---
2/9/23
---
---
62,868
91.3
D
R
2/13/23 - 5:43:33 pm
29
    
 
MANSBACH HARRY H
O
JB
---
30,000
---
2/9/23
---
---
96,798
44.9
D
R
2/13/23 - 5:42:52 pm
30
    
 
PALEKAR ROHAN
CEO,DIR
JB
---
75,000
---
2/9/23
---
---
290,351
34.8
D
R
2/13/23 - 5:42:41 pm
31
    
 
LE NGUYEN QUOC
O
JB
---
30,000
---
2/9/23
---
---
93,319
47.4
D
R
2/13/23 - 5:37:22 pm
32
    
 
MARTINS RYAN
CFO
AS
$21,327
1,480
---
2/8/23
---
$14.41
32,868
-4.3
D
10b
2/10/23 - 5:32:38 pm
33
    
 
MANSBACH HARRY H
O
JS
$18,006
1,360
---
2/5/23
---
$13.24
66,798
-2.0
D
---
2/7/23 - 7:38:15 pm
34
    
 
PALEKAR ROHAN
CEO,DIR
JS
$53,993
4,078
---
2/5/23
---
$13.24
215,351
-1.9
D
---
2/7/23 - 7:36:17 pm
35
    
 
MARTINS RYAN
CFO
OS
$7,838
592
---
2/5/23
---
$13.24
34,348
-1.7
D
10b
2/7/23 - 7:36:16 pm
36
    
 
LE NGUYEN QUOC
O
JS
$18,404
1,390
---
2/5/23
---
$13.24
63,319
-2.1
D
---
2/7/23 - 7:35:16 pm
37
    
 
MARTINS RYAN
CFO
OS
$46,848
3,592
---
2/3/23
---
$12.70
35,368
-9.2
D
10b
2/7/23 - 7:36:16 pm
38
    
 
MARTINS RYAN
CFO
OE
$9,330
3,000
---
2/3/23
---
$3.11
38,960
8.3
D
10b
2/7/23 - 7:36:16 pm
39
    
 
MARTINS RYAN
CFO
JS
$4,916
408
---
2/1/23
---
$12.05
35,960
-1.1
D
R
2/3/23 - 5:10:50 pm
40
    
 
MANSBACH HARRY H
O
JS
$8,194
680
---
2/1/23
---
$12.05
68,158
-1.0
D
R
2/3/23 - 5:10:43 pm
41
    
 
LE NGUYEN QUOC
O
JS
$8,375
695
---
2/1/23
---
$12.05
64,709
-1.1
D
R
2/3/23 - 5:08:17 pm
42
    
 
MARTINS RYAN
CFO
AS
$74,397
5,947
---
1/3/23
---
$12.51
36,368
-14.1
D
10b
1/5/23 - 6:03:06 pm
43
    
 
MANSBACH HARRY H
O
JS
$30,476
3,113
---
11/15/22
---
$9.79
68,838
-4.3
D
R
12/13/22 - 5:52:27 pm
44
    
 
MANSBACH HARRY H
O
JB
---
9,000
---
11/15/22
---
---
71,951
14.3
D
R
12/13/22 - 5:52:27 pm
45
1y
6
17%
-47%
52
RA CAPITAL MANAGEMENT L P
DIR,BO
JB*
$8,971,469
1,172,741
---
10/18/22
---
$7.65
8,955,410
15.1
I
---
10/20/22 - 5:28:57 pm
46
    
 
LE NGUYEN QUOC
O
JS
$24,110
4,179
9/28/22
9/30/22
$5.76
$5.79
62,951
-6.2
D
R
9/30/22 - 7:06:21 pm
47
    
 
LE NGUYEN QUOC
O
JB
---
12,083
9/28/22
9/30/22
---
---
66,701
22.1
D
R
9/30/22 - 7:06:21 pm
48
    
 
MARTINS RYAN
CFO
JS
$11,624
2,018
---
9/28/22
---
$5.76
42,315
-4.6
D
R
9/30/22 - 7:05:18 pm
49
    
 
MARTINS RYAN
CFO
JB
---
5,833
---
9/28/22
---
---
44,333
15.2
D
R
9/30/22 - 7:05:18 pm
50
    
 
MANSBACH HARRY H
O
JS
$16,600
2,882
---
9/28/22
---
$5.76
62,951
-4.4
D
R
9/30/22 - 7:04:07 pm
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