Walker Karin L (CIK 0001559422)

Latest company ownership

PRTA - PROTHENA CORP PUBLIC LTD CO
Role: Chief Accounting Officer
Shares held
25,000
Last filed at
Jul 30, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 24, 2024 Jan 24, 2024 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 10.0 -5,000 -100.00% ✓ $170K
Dec 20, 2023 Dec 20, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 10.0 -5,000 -100.00% ✓ $186K
Nov 30, 2023 Nov 30, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 10.0 -5,000 -100.00% ✓ $170K
Oct 25, 2023 Oct 25, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 10.0 -5,000 -100.00% ✓ $205.2K
Sep 19, 2023 Sep 19, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -5,000 -100.00% ✓ $261.8K
Aug 18, 2023 Aug 18, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -5,000 -100.00% ✓ $285.9K
Jul 19, 2023 Jul 19, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -5,000 -100.00% ✓ $345.9K
Jun 20, 2023 Jun 20, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -5,000 -100.00% ✓ $344.5K
May 19, 2023 May 19, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -5,000 -100.00% ✓ $370K
Apr 19, 2023 Apr 21, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -5,000 -100.00% ✓ $264.5K
Mar 20, 2023 Mar 22, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 10.0 -5,000 -100.00% ✓ $238.6K
Mar 15, 2023 Mar 17, 2023 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -20,000 -100.00% ✓ $968.3K
Nov 18, 2022 Nov 18, 2022 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -10,000 -100.00% ✓ $570.7K
Oct 24, 2022 Oct 26, 2022 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 5.0 -20,000 -100.00% ✓ $1.1M
Nov 23, 2021 Nov 26, 2021 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 7.5 -4,519 -100.00% ✓ $261.6K
Oct 20, 2021 Oct 22, 2021 PROTHENA CORP PUBLIC LTD CO Chief Accounting Officer Sell 5.0 -23,000 -100.00% ✓ $1.4M
Sep 28, 2017 Sep 29, 2017 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -1,500 -100.00% ✗ $105K
Jul 17, 2017 Jul 19, 2017 PROTHENA CORP PUBLIC LTD CO Officer Sell 20.0 -5,000 -100.00% ✗ $324.4K
Apr 17, 2017 Apr 19, 2017 PROTHENA CORP PUBLIC LTD CO Officer Sell 20.0 -5,000 -98.04% ✗ $261.3K
Oct 13, 2016 Oct 14, 2016 PROTHENA CORP PUBLIC LTD CO Officer Sell 20.0 -5,000 -64.94% ✗ $271.2K
Sep 19, 2016 Sep 21, 2016 PROTHENA CORP PUBLIC LTD CO Officer Sell 20.0 -12,000 -62.50% ✗ $733.2K
Apr 13, 2016 Apr 15, 2016 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -4,000 -90.91% ✗ $180.4K
Jan 13, 2016 Jan 15, 2016 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -4,000 -80.00% ✗ $203.9K
Aug 12, 2015 Aug 14, 2015 PROTHENA CORP PUBLIC LTD CO Officer Sell 20.0 -7,000 -64.08% ✗ $434.4K
Feb 10, 2015 Feb 12, 2015 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -2,500 -100.00% ✗ $53.8K
Dec 9, 2014 Dec 11, 2014 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -2,500 -100.00% ✗ $50K
Oct 16, 2014 Oct 23, 2014 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -2,500 -100.00% ✗ $50.2K
Oct 16, 2014 Oct 20, 2014 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -2,500 -100.00% ✗ $50.2K
Aug 12, 2014 Aug 13, 2014 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -2,500 -100.00% ✗ $51.8K
Jun 6, 2014 Jun 6, 2014 PROTHENA CORP PUBLIC LTD CO Officer Sell 22.5 -8,000 -100.00% ✗ $172.6K