Michael J. Malecek
Net Worth

Last updated:

What is Michael J. Malecek net worth?

The estimated net worth of Mr. Michael J. Malecek is at least $11,707,578 as of 27 Sep 2023. He owns shares worth $3,442 as insider, has earned $9,351,136 from insider trading and has received compensation worth at least $2,353,000 in Prothena Corporation plc.

What is the salary of Michael J. Malecek?

Mr. Michael J. Malecek salary is $588,250 per year as Chief Legal Officer & Company Sec. in Prothena Corporation plc.

How old is Michael J. Malecek?

Mr. Michael J. Malecek is 59 years old, born in 1966.

What stocks does Michael J. Malecek currently own?

As insider, Mr. Michael J. Malecek owns shares in one company:

Company Title Shares Price per share Total value
Prothena Corporation plc (PRTA) Chief Legal Officer & Company Sec. 404 $8.52 $3,442

What does Prothena Corporation plc do?

Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, which is in Phase IIb clinical trial for the treatment of Parkinson's disease; PRX004 that completed Phase I clinical trial for the treatment of Transthyretin amyloidosis; and PRX005, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX012 for the treatment of Alzheimer's disease; and dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease. Prothena Corporation plc has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target alpha-synuclein; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. The company was founded in 2012 and is based in Dublin, Ireland.

PRTA logo
PRTA
Prothena Corporation plc
$8.52

Michael J. Malecek insider trading

Prothena Corporation plc

Mr. Michael J. Malecek has made 33 insider trades between 2021-2023, according to the Form 4 filled with the SEC.

The largest trade he's ever made was exercising 65,000 units of PRTA stock on 26 Oct 2022. As of 27 Sep 2023 he still owns at least 404 units of PRTA stock.

Transaction Date Security Shares Price per share Total value Source
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 4,596 $47.3 $217,368
Sale
Ordinary Shares, par value $0.01 per share 404 $48.32 $19,519
Sale
Ordinary Shares, par value $0.01 per share 2,322 $54.58 $126,728
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 14 $56.21 $787
Sale
Ordinary Shares, par value $0.01 per share 2,664 $55.39 $147,551
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 2,477 $61.78 $153,032
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 1,903 $62.69 $119,297
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 620 $63.4 $39,309
Sale
Ordinary Shares, par value $0.01 per share 3,050 $69.89 $213,177
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 710 $70.84 $50,296
Sale
Ordinary Shares, par value $0.01 per share 1,240 $69.07 $85,644
Sale
Ordinary Shares, par value $0.01 per share 711 $65.98 $46,912
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 3,211 $64.16 $206,024
Sale
Ordinary Shares, par value $0.01 per share 1,078 $65.2 $70,286
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 4,680 $53.4 $249,931
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 320 $54.25 $17,361
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 2,266 $49.28 $111,666
Sale
Ordinary Shares, par value $0.01 per share 2,734 $48.81 $133,457
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Option
Stock Option (Right to Buy) 15,000 $10.27 $154,050
Sale
Ordinary Shares, par value $0.01 per share 8,564 $48.67 $416,801
Sale
Ordinary Shares, par value $0.01 per share 6,436 $48.13 $309,790
Option
Ordinary Shares, par value $0.01 per share 15,000 $10.27 $154,050
Sale
Ordinary Shares, par value $0.01 per share 411 $64.96 $26,698
Sale
Ordinary Shares, par value $0.01 per share 1,696 $60.96 $103,385
Sale
Ordinary Shares, par value $0.01 per share 494 $64.13 $31,678
Option
Stock Option (Right to Buy) 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 1,625 $62.06 $100,852
Option
Ordinary Shares, par value $0.01 per share 5,000 $10.27 $51,350
Sale
Ordinary Shares, par value $0.01 per share 456 $62.85 $28,661
Sale
Ordinary Shares, par value $0.01 per share 176 $65.87 $11,592
Sale
Ordinary Shares, par value $0.01 per share 142 $59.92 $8,508
Sale
Ordinary Shares, par value $0.01 per share 20,000 $62 $1,240,000
Option
Ordinary Shares, par value $0.01 per share 20,000 $10.27 $205,400
Option
Stock Option (Right to Buy) 20,000 $10.27 $205,400
Option
Stock Option (Right to Buy) 65,000 $10.27 $667,550
Sale
Ordinary Shares, par value $0.01 per share 19,720 $61.12 $1,205,227
Sale
Ordinary Shares, par value $0.01 per share 15,708 $59.37 $932,584
Option
Ordinary Shares, par value $0.01 per share 65,000 $10.27 $667,550
Sale
Ordinary Shares, par value $0.01 per share 29,572 $60.27 $1,782,334
Option
Stock Option (Right to Buy) 10,000 $10.27 $102,700
Option
Ordinary Shares, par value $0.01 per share 10,000 $10.27 $102,700
Sale
Ordinary Shares, par value $0.01 per share 10,000 $55 $550,000
Sale
Ordinary Shares, par value $0.01 per share 10,000 $59.47 $594,680
Option
Stock Option (Right to Buy) 10,000 $10.27 $102,700
Option
Ordinary Shares, par value $0.01 per share 10,000 $10.27 $102,700

Prothena Corporation key executives

Prothena Corporation plc executives and other stock owners filed with the SEC: