Malecek Michael J Insider Trades

Insider Trading History

Track insider trading activity for Malecek Michael J. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $1.69M 190,000 shares
Last Trade
Mar 03, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.78M 190,000 shares
$9.36
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $714k 80,000 shares
Last Trade
Jul 28, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$550k 80,000 shares
$6.87
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $959k 107,500 shares
Last Trade
Mar 05, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.61M 107,500 shares
$14.95
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $758k 85,000 shares
Last Trade
Feb 27, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$2.58M 85,000 shares
$30.30
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $44.6k 5,000 shares
Last Trade
Sep 27, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$237k 5,000 shares
$47.45
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $3.6k 404 shares
Last Trade
Sep 27, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$237k 5,000 shares
$47.37
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $803k 90,000 shares
Last Trade
Sep 27, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$237k 5,000 shares
$47.45
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $23.9k 2,678 shares
Last Trade
Aug 30, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$275k 5,000 shares
$55.02
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $44.6k 5,000 shares
Last Trade
Aug 30, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$272k 5,000 shares
$54.37
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $847k 95,000 shares
Last Trade
Aug 30, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$272k 5,000 shares
$54.37
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $22.5k 2,523 shares
Last Trade
Jul 26, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$312k 5,000 shares
$62.33
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $44.6k 5,000 shares
Last Trade
Jul 26, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$312k 5,000 shares
$62.31
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $892k 100,000 shares
Last Trade
Jul 26, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$312k 5,000 shares
$62.31
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $44.6k 5,000 shares
Last Trade
Jun 28, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$350k 5,000 shares
$70.00
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $937k 105,000 shares
Last Trade
Jun 28, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$350k 5,000 shares
$70.00
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $33.5k 3,760 shares
Last Trade
Jun 28, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$349k 5,000 shares
$69.82
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $44.6k 5,000 shares
Last Trade
May 31, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$332k 5,000 shares
$66.43
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $16k 1,789 shares
Last Trade
May 31, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$323k 5,000 shares
$64.64
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $981k 110,000 shares
Last Trade
May 31, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$332k 5,000 shares
$66.43
$8.92
Prothena plc
Prothena plc PRTA
Chief Legal Officer
Holding Value $44.6k 5,000 shares
Last Trade
Apr 26, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$267k 5,000 shares
$53.33
$8.92

See more insider trades for free

Join Stockcircle to see more insider trades and be the first to know about new executive transactions.

Sign Up