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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:
PROTHENA CORP PUBLIC LTD CO: PRTA
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
$10.75 $18.78 $4.32 $579 54 856 0.0% 8.6% 79.18% 19.06%
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
    
 
ZAGO WAGNER M
O
JB
---
85,000
---
7/28/25
---
---
85,000
New
D
---
7/30/25 - 5:52:29 pm
2
    
 
WALKER KARIN L
CAO
JB
---
25,000
---
7/28/25
---
---
25,000
New
D
---
7/30/25 - 5:52:14 pm
3
    
 
SWANSON CHAD J
O
JB
---
85,000
---
7/28/25
---
---
85,000
New
D
---
7/30/25 - 5:52:01 pm
4
    
 
SMITH BRANDON S
COO
JB
---
130,000
---
7/28/25
---
---
130,000
New
D
---
7/30/25 - 5:51:48 pm
5
    
 
NGUYEN TRAN
CFO
JB
---
95,000
---
7/28/25
---
---
97,205
4,308.4
D
---
7/30/25 - 5:51:26 pm
6
    
 
MALECEK MICHAEL J
LO
JB
---
80,000
---
7/28/25
---
---
80,000
New
D
---
7/30/25 - 5:51:10 pm
7
    
 
KINNEY GENE G
PR,CEO,DIR
JB
---
140,000
---
7/28/25
---
---
152,793
1,094.3
D
---
7/30/25 - 5:50:50 pm
8
1y
1
0%
180%
11
ECOR1 CAPITAL LLC
BO
S
$15,164,712
1,984,053
---
5/6/25
---
$7.64
5,304,596
-27.2
I
---
5/6/25 - 7:06:05 pm
9
1y
1
0%
180%
11
ECOR1 CAPITAL LLC
BO
S
$35,675,096
4,295,631
5/2/25
5/5/25
---
$8.11
7,288,649
-37.1
I
---
5/6/25 - 7:06:05 pm
10
    
 
SCULLY WILLIAM P
BO
JS
---
12,000
---
1/15/25
---
---
47,000
-20.3
I
---
5/2/25 - 10:29:05 am
11
    
 
SCULLY WILLIAM P
BO
B
$1,279,040
100,000
---
1/14/25
---
$12.79
735,993
15.7
D
---
5/2/25 - 10:29:05 am
12
    
 
SCULLY WILLIAM P
BO
JS
---
14,200
1/2/25
1/3/25
---
---
635,993
-2.2
D
---
5/2/25 - 10:29:05 am
13
    
 
SCULLY WILLIAM P
BO
B
$416,393
32,000
---
12/31/24
---
$12.99
650,193
5.2
D
---
5/2/25 - 10:29:05 am
14
    
 
SCULLY WILLIAM P
BO
JS
---
681,500
12/19/24
12/20/24
---
---
616,693
-52.5
D
---
5/2/25 - 10:29:05 am
15
    
 
SCULLY WILLIAM P
BO
JS
---
40,000
---
12/20/24
---
---
59,000
-40.4
I
---
5/2/25 - 10:29:05 am
16
    
 
SCULLY WILLIAM P
BO
B
$1,054,483
75,436
12/18/24
12/20/24
$13.93
$15.91
1,297,693
6.2
D
---
5/2/25 - 10:29:05 am
17
    
 
SCULLY WILLIAM P
BO
JB
---
430,000
---
12/18/24
---
---
1,224,257
54.1
D
---
5/2/25 - 10:29:05 am
18
    
 
SCULLY WILLIAM P
BO
3
---
---
---
12/17/24
---
---
99,000
---
I
---
5/1/25 - 9:19:59 pm
19
    
 
SCULLY WILLIAM P
BO
3
---
---
---
12/17/24
---
---
794,257
---
D
---
5/1/25 - 9:19:59 pm
20
    
 
SCULLY WILLIAM P
BO
3
---
---
---
12/17/24
---
---
68,000
---
I
---
5/1/25 - 9:19:59 pm
21
    
 
SCULLY WILLIAM P
BO
3
---
---
---
12/17/24
---
---
75,950
---
I
---
5/1/25 - 9:19:59 pm
22
    
 
SWANSON CHAD J
O
3
---
---
---
9/27/24
---
---
---
---
---
---
10/3/24 - 6:57:44 pm
23
    
 
FORD DAVID A
HR
3
---
---
---
3/1/24
---
---
---
---
---
---
3/5/24 - 9:01:40 pm
24
    
 
WELCH DANIEL G
DIR
3
---
---
---
2/21/24
---
---
---
---
---
---
2/23/24 - 5:36:01 pm
25
1y
28
64%
-4%
1
WALKER KARIN L
CAO
OS
$170,000
5,000
---
1/24/24
---
$34.00
---
All
D
10b
1/24/24 - 7:01:06 pm
26
    
 
WALKER KARIN L
CAO
OE
$67,650
5,000
---
1/24/24
---
$13.53
5,000
New
D
10b
1/24/24 - 7:01:06 pm
27
1y
28
64%
-4%
1
WALKER KARIN L
CAO
OS
$185,952
5,000
---
12/20/23
$36.68
$37.45
---
All
D
10b
12/20/23 - 7:17:00 pm
28
    
 
WALKER KARIN L
CAO
OE
$67,650
5,000
---
12/20/23
---
$13.53
5,000
New
D
10b
12/20/23 - 7:17:00 pm
29
1y
28
64%
-4%
1
WALKER KARIN L
CAO
OS
$170,000
5,000
---
11/30/23
---
$34.00
---
All
D
10b
11/30/23 - 6:24:20 pm
30
    
 
WALKER KARIN L
CAO
OE
$67,650
5,000
---
11/30/23
---
$13.53
5,000
New
D
10b
11/30/23 - 6:24:20 pm
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