Michael J Malecek is Chief Legal Officer of PROTHENA CORP PUBLIC LTD CO. Currently has a direct ownership of 0 shares of PRTA, which is worth approximately $0. The most recent transaction as insider was on Sep 27, 2023, when has been sold 5,000 shares (Ordinary Shares, par value $0.01 per share) at a price of $47.8 per share, resulting in proceeds of $239,000. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0
0% 3M change
0% 12M change
Total Value Held $0

Michael J Malecek Transaction History

Date Transaction Value Shares Traded Shares Held Form
Sep 27 2023
SELL
Open market or private sale
$239,000 $47.8 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
Sep 27 2023
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
Aug 30 2023
SELL
Open market or private sale
$276,950 $55.39 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
Aug 30 2023
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
Jul 26 2023
SELL
Open market or private sale
$313,100 $62.62 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
Jul 26 2023
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
Jun 28 2023
SELL
Open market or private sale
$349,650 $69.93 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
Jun 28 2023
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
May 31 2023
SELL
Open market or private sale
$325,550 $65.11 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
May 31 2023
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
Apr 26 2023
SELL
Open market or private sale
$269,150 $53.83 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
Apr 26 2023
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
Mar 29 2023
SELL
Open market or private sale
$245,250 $49.05 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
Mar 29 2023
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
Mar 15 2023
SELL
Open market or private sale
$726,000 $48.4 p/Share
15,000 Reduced 100.0%
0 Ordinary Shares, par v...
Mar 15 2023
BUY
Exercise of conversion of derivative security
$154,050 $10.27 p/Share
15,000 Added 50.0%
15,000 Ordinary Shares, par v...
Nov 30 2022
SELL
Open market or private sale
$314,800 $62.96 p/Share
5,000 Reduced 100.0%
0 Ordinary Shares, par v...
Nov 30 2022
BUY
Exercise of conversion of derivative security
$51,350 $10.27 p/Share
5,000 Added 50.0%
5,000 Ordinary Shares, par v...
Oct 27 2022
SELL
Open market or private sale
$1,240,000 $62.0 p/Share
20,000 Reduced 100.0%
0 Ordinary Shares, par v...
Oct 27 2022
BUY
Exercise of conversion of derivative security
$205,400 $10.27 p/Share
20,000 Added 50.0%
20,000 Ordinary Shares, par v...
Oct 26 2022
SELL
Open market or private sale
$3,916,250 $60.25 p/Share
65,000 Reduced 100.0%
0 Ordinary Shares, par v...
Oct 26 2022
BUY
Exercise of conversion of derivative security
$667,550 $10.27 p/Share
65,000 Added 50.0%
65,000 Ordinary Shares, par v...
Nov 19 2021
SELL
Open market or private sale
$550,000 $55.0 p/Share
10,000 Reduced 100.0%
0 Ordinary Shares, par v...
Nov 19 2021
BUY
Exercise of conversion of derivative security
$102,700 $10.27 p/Share
10,000 Added 50.0%
10,000 Ordinary Shares, par v...
Oct 27 2021
SELL
Open market or private sale
$594,700 $59.47 p/Share
10,000 Reduced 100.0%
0 Ordinary Shares, par v...
MJM

Michael J Malecek

Chief Legal Officer
South San Francisco, CA

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