Malecek Michael J (CIK 0001779336)

Latest company ownership

PRTA - PROTHENA CORP PUBLIC LTD CO

Role: Chief Legal Officer

Shares held

80,000

Last filed at

Jul 30, 2025

Confidence Score

50.0

2025Q4

Confidence Score History

2021Q4 2025Q4

Recent buy/sell transactions

Exec date	Filing date	Company	Role	Signal	Confidence	Shares	% of shares	Under plan?	Amount (USD)
Sep 27, 2023	Sep 27, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	10.0	-5,000	-100.00%	✓	$236.9K
Aug 30, 2023	Aug 30, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	7.5	-5,000	-100.00%	✓	$275.1K
Jul 26, 2023	Jul 26, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	7.5	-5,000	-100.00%	✓	$311.6K
Jun 28, 2023	Jun 28, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	7.5	-5,000	-100.00%	✓	$349.1K
May 31, 2023	May 31, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	7.5	-5,000	-100.00%	✓	$323.2K
Apr 26, 2023	Apr 28, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	7.5	-5,000	-100.00%	✓	$267.3K
Mar 29, 2023	Mar 31, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	10.0	-5,000	-100.00%	✓	$245.1K
Mar 15, 2023	Mar 17, 2023	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	7.5	-15,000	-100.00%	✓	$726.6K
Nov 30, 2022	Dec 2, 2022	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	7.5	-5,000	-100.00%	✓	$311.4K
Oct 26, 2022	Oct 28, 2022	PROTHENA CORP PUBLIC LTD CO	Chief Legal Officer	Sell	3.8	-85,000	-55.19%	✓	$5.2M
Nov 19, 2021	Nov 19, 2021	PROTHENA CORP PUBLIC LTD CO	Officer	Sell	7.5	-10,000	-100.00%	✓	$550K
Oct 27, 2021	Oct 29, 2021	PROTHENA CORP PUBLIC LTD CO	Officer	Sell	7.5	-10,000	-100.00%	✓	$585.2K