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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:
GOSSAMER BIO INC: GOSS
Price: 1/30/26 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
$2.28 $3.87 $0.76 $528 232 3,985 0.0% 11.6% 78.55% 4.16%
Exch Sector Industry Sub-Industry
NasdaqGS 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
    
 
HASNAIN FAHEEM
PR,CEO,DIR
JB
---
280,000
---
1/2/26
---
---
837,793
50.2
D
R
1/5/26 - 4:40:16 pm
2
    
 
GIRAUDO BRYAN
COO,CFO
JB
---
115,750
---
1/2/26
---
---
389,737
42.2
D
R
1/5/26 - 4:39:34 pm
3
    
 
SMITH ROBERT PAUL JR
O
JB
---
93,750
---
1/2/26
---
---
260,898
56.1
D
R
1/5/26 - 4:38:59 pm
4
    
 
ARANDA RICHARD
O
JB
---
93,750
---
1/2/26
---
---
463,106
25.4
D
R
1/5/26 - 4:38:14 pm
5
    
 
PETERSON CARYN
VP,LO
JB
---
84,500
---
1/2/26
---
---
259,333
48.3
D
R
1/5/26 - 4:37:17 pm
6
    
 
CHRISTIAN WAAGE
VP,TO,OO
JB
---
84,500
---
1/2/26
---
---
814,061
11.6
D
R
1/5/26 - 4:35:05 pm
7
    
 
SMITH ROBERT PAUL JR
O
JB
---
162,500
---
10/1/25
---
---
162,500
New
D
---
10/2/25 - 4:13:44 pm
8
    
 
CHRISTIAN WAAGE
VP,TO,OO
JB
---
125,000
---
10/1/25
---
---
710,934
21.3
D
---
10/2/25 - 4:13:38 pm
9
    
 
GIRAUDO BRYAN
COO,CFO
JB
---
181,250
---
10/1/25
---
---
273,987
195.4
D
---
10/2/25 - 4:13:32 pm
10
    
 
ARANDA RICHARD
O
JB
---
162,500
---
10/1/25
---
---
369,356
78.6
D
---
10/2/25 - 4:13:26 pm
11
    
 
HASNAIN FAHEEM
PR,CEO,DIR
JB
---
437,500
---
10/1/25
---
---
557,793
363.7
D
---
10/2/25 - 4:13:18 pm
12
    
 
PETERSON CARYN
VP,LO
JB
---
125,000
---
10/1/25
---
---
174,833
250.8
D
---
10/2/25 - 4:11:32 pm
13
    
 
MILLIGAN SANDRA
DIR
B
$50,016
26,050
---
8/19/25
---
$1.92
58,050
81.4
D
---
8/20/25 - 4:04:35 pm
14
    
 
ARANDA RICHARD
O
S
$1,260
1,908
---
6/24/24
---
$0.66
196,891
-1.0
D
R
6/25/24 - 6:24:48 pm
15
1y
5
60%
3%
7
HASNAIN FAHEEM
PR,CEO,DIR
B
$250,282
372,000
---
6/21/24
---
$0.67
5,408,073
7.4
I
---
6/24/24 - 5:52:18 pm
16
1y
10
50%
5%
2
GIRAUDO BRYAN
COO,CFO
B
$59,110
100,000
---
6/18/24
---
$0.59
480,010
26.3
I
---
6/20/24 - 8:21:38 pm
17
    
 
SMITH ROBERT PAUL JR
O
B
$15,050
25,000
---
6/17/24
---
$0.60
25,000
New
I
---
6/20/24 - 8:20:20 pm
18
1y
3
100%
-31%
3
CHRISTIAN WAAGE
VP,TO,OO
S
$7,430
6,430
---
3/27/24
---
$1.16
585,934
-1.1
D
R
3/28/24 - 6:16:41 pm
19
1y
3
100%
-31%
2
GIRAUDO BRYAN
COO,CFO
S
$7,431
6,430
---
3/27/24
---
$1.16
92,737
-6.5
D
R
3/28/24 - 6:05:34 pm
20
1y
2
100%
-44%
7
HASNAIN FAHEEM
PR,CEO,DIR
S
$26,773
23,172
---
3/27/24
---
$1.16
120,293
-16.2
D
R
3/28/24 - 6:01:45 pm
21
    
 
ARANDA RICHARD
O
S
$5,342
4,018
---
3/18/24
---
$1.33
198,799
-2.0
D
R
3/19/24 - 6:50:59 pm
22
    
 
PETERSON CARYN
VP,LO
S
$5,343
4,018
---
3/18/24
---
$1.33
49,833
-7.5
D
R
3/19/24 - 6:50:02 pm
23
    
 
DRYNAN SKYE
DIR
3
---
---
---
3/11/24
---
---
---
---
---
---
3/12/24 - 7:48:30 pm
24
    
 
NATHAN STEVEN D
DIR
3
---
---
---
3/11/24
---
---
---
---
---
---
3/12/24 - 7:45:01 pm
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