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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:
SEPTERNA INC: SEPN
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
$21.67 $28.99 $4.17 $966 45 281 0.0% 10.0% 100.51% 2.94%
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
    
 
GOTTESDIENER KEITH MICHAEL
DIR
3
---
---
---
9/25/25
---
---
---
---
---
---
9/29/25 - 4:57:58 pm
2
    
 
KLEIN UWE
VP
OB
$94,367
23,008
---
8/18/25
$2.76
$6.81
23,008
New
D
---
8/19/25 - 5:02:20 pm
3
    
 
FINER JEFFREY
CEO,PR,DIR
OB
$151,800
55,000
4/2/25
4/3/25
---
$2.76
826,907
7.1
D
---
4/4/25 - 4:13:25 pm
4
    
 
EZEKOWITZ ALAN
DIR
B
$92,270
13,319
---
3/7/25
---
$6.93
117,420
12.8
D
---
3/10/25 - 4:18:19 pm
5
    
 
EZEKOWITZ ALAN
DIR
B
$515,934
86,681
3/4/25
3/6/25
$5.82
$6.00
104,101
497.6
D
---
3/6/25 - 9:02:51 pm
6
    
 
FINER JEFFREY
CEO,PR,DIR
B
$96,961
17,000
2/25/25
2/27/25
$5.68
$5.80
771,907
2.3
D
---
2/27/25 - 6:53:01 pm
7
6m
3
100%
108%
3
LABRUCHERIE GIL M
CFO
B
$56,867
10,000
2/25/25
2/27/25
$5.59
$5.85
40,000
33.3
I
---
2/27/25 - 6:51:11 pm
8
    
 
THIRD ROCK VENTURES VI L P
BO
B
$113,147
18,861
---
2/24/25
---
$6.00
4,211,659
0.4
D
---
2/26/25 - 4:15:08 pm
9
    
 
THIRD ROCK VENTURES VI L P
BO
B
$6,167,378
1,040,342
2/20/25
2/21/25
$5.92
$5.94
4,192,798
33.0
D
---
2/24/25 - 4:15:07 pm
10
6m
3
100%
108%
3
LABRUCHERIE GIL M
CFO
B
$29,250
5,000
---
2/21/25
---
$5.85
30,000
20.0
I
---
2/21/25 - 6:06:31 pm
11
6m
3
100%
108%
3
LABRUCHERIE GIL M
CFO
B
$143,047
25,000
2/19/25
2/20/25
$5.51
$5.88
25,000
New
I
---
2/21/25 - 6:06:31 pm
12
    
 
LABRUCHERIE GIL M
CFO
3
---
---
---
1/6/25
---
---
---
---
---
---
1/7/25 - 5:09:26 pm
13
1y
1
100%
5%
61
RA CAPITAL MANAGEMENT L P
DIR,BO
JB*
$75,060,000
4,170,000
---
10/28/24
---
$18.00
5,523,915
308.0
I
---
10/30/24 - 6:12:25 pm
14
    
 
RA CAPITAL MANAGEMENT L P
DIR,BO
JB
---
2,825,858
---
10/28/24
---
---
1,695,515
---
I
---
10/30/24 - 6:12:25 pm
15
    
 
THIRD ROCK VENTURES V L P
BO
JB*
$6,669,000
370,500
---
10/28/24
---
$18.00
6,215,591
6.3
D
---
10/28/24 - 4:53:56 pm
16
    
 
THIRD ROCK VENTURES V L P
BO
JB*
$5,031,000
279,500
---
10/28/24
---
$18.00
3,152,456
9.7
I
---
10/28/24 - 4:53:56 pm
17
    
 
THIRD ROCK VENTURES V L P
BO
JB
---
4,790,773
---
10/28/24
---
---
5,845,091
454.4
D
---
10/28/24 - 4:53:56 pm
18
    
 
THIRD ROCK VENTURES V L P
BO
JB
---
2,872,956
---
10/28/24
---
---
2,872,956
New
I
---
10/28/24 - 4:53:56 pm
19
    
 
BHATT ELIZABETH
COO
3
---
---
---
10/24/24
---
---
174,209
---
D
---
10/24/24 - 9:40:24 pm
20
    
 
XIAO RAN
CFO
3
---
---
---
10/24/24
---
---
58,069
---
D
---
10/24/24 - 9:37:35 pm
21
    
 
KIM JAE B
O
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:37:14 pm
22
    
 
KLEIN UWE
VP
3
---
---
---
10/24/24
---
---
104,525
---
I
---
10/24/24 - 9:34:59 pm
23
    
 
TONG JEFFREY K
DIR
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:34:53 pm
24
    
 
SHAIKHLY SAMIRA
HR
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:31:22 pm
25
    
 
THIRD ROCK VENTURES V L P
BO
3
---
---
---
10/24/24
---
---
1,054,318
---
D
---
10/24/24 - 9:30:52 pm
26
    
 
RA CAPITAL MANAGEMENT L P
DIR,BO
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:30:46 pm
27
    
 
FINER JEFFREY
CEO,PR,DIR
3
---
---
---
10/24/24
---
---
754,907
---
D
---
10/24/24 - 9:29:39 pm
28
    
 
EZEKOWITZ ALAN
DIR
3
---
---
---
10/24/24
---
---
17,420
---
D
---
10/24/24 - 9:28:36 pm
29
    
 
SHARP SHALINI
DIR
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:28:19 pm
30
    
 
SIMSON JAKE
DIR
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:25:37 pm
31
    
 
COULIE BERNARD
DIR
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:24:27 pm
32
    
 
BASSAN ABRAHAM
DIR
3
---
---
---
10/24/24
---
---
---
---
---
---
10/24/24 - 9:23:13 pm
33
    
 
LONG DANIEL D
VP
3
---
---
---
10/24/24
---
---
92,911
---
D
---
10/24/24 - 9:20:12 pm
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