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  3. Walker Karin L

Walker Karin L

CIK: 0001559422•Chief Accounting Officer
Officer
Primary company: PROTHENA CORP PUBLIC LTD CO (PRTA)

Walker Karin L is a corporate insider (Chief Accounting Officer) at PROTHENA CORP PUBLIC LTD CO (PRTA) filing SEC Form 4 transactions. 166 transactions across 3 companies, totaling $0 in purchases and $9,965,517 in sales. Source: SEC EDGAR.

Total Transactions
166
Total Buy Value
$0
Total Sell Value
$9.97M
Net Activity
$-9.97M
Last Transaction
Jul 2025
Companies
3

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Company
Type
Shares
Price
Value
Shares After
Date
SEC
PROTHENA CORP PUBLIC LTD CO
PRTA
Award25,000--25,000
7/28/2025
Filed: 7/30/2025
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Award70,000$14.95$1.05M70,000
3/5/2025
Filed: 3/7/2025
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Award54,000--54,000
2/27/2024
Filed: 2/29/2024
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000--15,000
1/24/2024
Filed: 1/24/2024
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale5,000$34.00$170K0
1/24/2024
Filed: 1/24/2024
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$13.53$68K5,000
1/24/2024
Filed: 1/24/2024
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$0.00$020,000
12/20/2023
Filed: 12/20/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale3,322$37.45$124K0
12/20/2023
Filed: 12/20/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale1,678$36.68$62K3,322
12/20/2023
Filed: 12/20/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$13.53$68K5,000
12/20/2023
Filed: 12/20/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$0.00$025,000
11/30/2023
Filed: 11/30/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale5,000$34.00$170K0
11/30/2023
Filed: 11/30/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$13.53$68K5,000
11/30/2023
Filed: 11/30/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$0.00$030,000
10/25/2023
Filed: 10/25/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale294$42.28$12K0
10/25/2023
Filed: 10/25/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale2,917$41.38$121K294
10/25/2023
Filed: 10/25/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale1,789$40.27$72K3,211
10/25/2023
Filed: 10/25/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$13.53$68K5,000
10/25/2023
Filed: 10/25/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Exercise5,000$0.00$0481
9/19/2023
Filed: 9/19/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Sale5,000$52.36$262K0
9/19/2023
Filed: 9/19/2023
Filing →
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Award
Shares
25,000
Price
-
Value
-
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Award
Shares
70,000
Price
$14.95
Value
$1.05M
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Award
Shares
54,000
Price
-
Value
-
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
-
Value
-
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
5,000
Price
$34.00
Value
$170K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$13.53
Value
$68K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$0.00
Value
$0
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
3,322
Price
$37.45
Value
$124K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
1,678
Price
$36.68
Value
$62K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$13.53
Value
$68K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$0.00
Value
$0
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
5,000
Price
$34.00
Value
$170K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$13.53
Value
$68K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$0.00
Value
$0
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
294
Price
$42.28
Value
$12K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
2,917
Price
$41.38
Value
$121K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
1,789
Price
$40.27
Value
$72K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$13.53
Value
$68K
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Exercise
Shares
5,000
Price
$0.00
Value
$0
PROTHENA CORP PUBLIC LTD CO
PRTA
Type
Sale
Shares
5,000
Price
$52.36
Value
$262K
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© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market