Last updated: 29 February 2024 at 9:15pm EST

Karin Walker Net Worth




The estimated Net Worth of Karin L Walker is at least $105 Thousand dollars as of 24 January 2024. Ms. Walker owns over 5,000 units of Prothena plc stock worth over $104,650 and over the last 11 years she sold PRTA stock worth over $0. In addition, she makes $0 as Chief Accounting Officer and Controller at Prothena plc.

Ms. Walker PRTA stock SEC Form 4 insiders trading

Karin has made over 30 trades of the Prothena plc stock since 2014, according to the Form 4 filled with the SEC. Most recently she exercised 5,000 units of PRTA stock worth $67,650 on 24 January 2024.

The largest trade she's ever made was exercising 23,000 units of Prothena plc stock on 20 October 2021 worth over $390,310. On average, Karin trades about 4,125 units every 73 days since 2013. As of 24 January 2024 she still owns at least 5,000 units of Prothena plc stock.

You can see the complete history of Ms. Walker stock trades at the bottom of the page.





Karin Walker biography

Karin L. Walker CPA serves as Chief Accounting Officer, Controller of the Company. Prior to joining Prothena, she was Vice President, Finance and Chief Accounting Officer of Affymax, Inc. (a biopharmaceutical company), a position she held from 2012 to 2013. From 2009 to 2012, Ms. Walker was Vice President, Finance and Corporate Controller at Amyris Inc. (a biotechnology company). From 2006 to 2009, she was Vice President, Finance and Corporate Controller for CV Therapeutics, Inc. (a biopharmaceutical company). Ms. Walker also held senior financial leadership positions at Knight Ridder Digital, Accellion, Niku Corporation, Financial Engines, Inc. and NeoMagic Corporation. She earned her BS in business from the California State Polytechnic University, San Luis Obispo, and is a certified public accountant.



How old is Karin Walker?

Karin Walker is 56, she's been the Chief Accounting Officer and Controller of Prothena plc since 2016. There are 9 older and 13 younger executives at Prothena plc. The oldest executive at Prothena Corporation plc is Christopher Henney, 78, who is the Independent Director.

What's Karin Walker's mailing address?

Karin's mailing address filed with the SEC is C/O PROTHENA BIOSCIENCES INC, 1800 SIERRA POINT PARKWAY, BRISBANE, CA, 94005.

Insiders trading at Prothena plc

Over the last 12 years, insiders at Prothena plc have traded over $79,429,035 worth of Prothena plc stock and bought 2,987,732 units worth $75,619,043 . The most active insiders traders include Capital, Llc Eco R1, Co Plc Elan Corp Plc Elan S..., and Helen Susan Kim. On average, Prothena plc executives and independent directors trade stock every 21 days with the average trade being worth of $946,769. The most recent stock trade was executed by Karin L Walker on 24 January 2024, trading 5,000 units of PRTA stock currently worth $67,650.



What does Prothena plc do?

prothena corporation plc (nasdaq: prta) is a late-stage clinical biotechnology company focused on the discovery, development and commercialization of novel protein immunotherapy programs for the potential treatment of diseases that involve amyloid or cell adhesion. the company focuses on therapeutic monoclonal antibodies directed specifically to disease-causing proteins, and its antibody-based product candidates target a number of potential indications, including al amyloidosis (neod001), parkinson’s disease and other related synucleinopathies (prx002), and novel cell adhesion targets involved in psoriasis and other inflammatory diseases (prx003). our lead program, neod001, is in a global phase 3 registration clinical trial – the vital amyloidosis study. there is also an on-going phase 1/2 trial. prx002 is in a phase 1 multiple ascending dose clinical trial, and prx003 is in a phase 1 single ascending dose clinical trial. prothena’s elite team has a recognized track record both f



What does Prothena plc's logo look like?

Prothena Corporation plc logo

Complete history of Ms. Walker stock trades at Cyclacel Pharmaceuticals Inc and Prothena plc

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
24 Jan 2024 Karin L Walker
Chief Accounting Officer
Option 5,000 $13.53 $67,650
24 Jan 2024
5,000
20 Dec 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $13.53 $67,650
20 Dec 2023
5,000
30 Nov 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $13.53 $67,650
30 Nov 2023
5,000
25 Oct 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $13.53 $67,650
25 Oct 2023
5,000
19 Sep 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $15.04 $75,200
19 Sep 2023
5,000
18 Aug 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $15.04 $75,200
18 Aug 2023
5,000
19 Jul 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $15.04 $75,200
19 Jul 2023
5,000
20 Jun 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $15.04 $75,200
20 Jun 2023
5,000
19 May 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $15.04 $75,200
19 May 2023
5,000
19 Apr 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $15.04 $75,200
19 Apr 2023
5,000
20 Mar 2023 Karin L Walker
Chief Accounting Officer
Option 5,000 $15.04 $75,200
20 Mar 2023
5,000
15 Mar 2023 Karin L Walker
Chief Accounting Officer
Option 20,000 $15.04 $300,800
15 Mar 2023
20,000
18 Nov 2022 Karin L Walker
Chief Accounting Officer
Option 10,000 $15.04 $150,400
18 Nov 2022
10,000
24 Oct 2022 Karin L Walker
Chief Accounting Officer
Option 20,000 $15.04 $300,800
24 Oct 2022
20,000
23 Nov 2021 Karin L Walker
Chief Accounting Officer
Option 4,519 $15.04 $67,966
23 Nov 2021
4,519
20 Oct 2021 Karin L Walker
Chief Accounting Officer
Option 23,000 $16.97 $390,310
20 Oct 2021
23,000
28 Sep 2017 Karin L Walker
Chief Accounting Officer
Option 1,500 $27.81 $41,715
28 Sep 2017
1,500
17 Jul 2017 Karin L Walker
Chief Accounting Officer
Option 5,000 $9.75 $48,750
17 Jul 2017
5,000
17 Apr 2017 Karin L Walker
Chief Accounting Officer
Option 5,000 $17.77 $88,850
17 Apr 2017
2,000
13 Oct 2016 Karin L Walker
Chief Accounting Officer
Option 5,000 $17.77 $88,850
13 Oct 2016
2,000
19 Sep 2016 Karin L Walker
Chief Accounting Officer
Option 12,000 $17.28 $207,360
19 Sep 2016
5,000
13 Apr 2016 Karin L Walker
Chief Accounting Officer
Option 4,000 $19.28 $77,120
13 Apr 2016
1,000
13 Apr 2016 Karin L Walker
Chief Accounting Officer
Option 4,000 $19.28 $77,120
13 Apr 2016
1,000
13 Jan 2016 Karin L Walker
Chief Accounting Officer
Option 4,000 $19.78 $79,120
13 Jan 2016
2,000
12 Aug 2015 Karin L Walker
Chief Accounting Officer
Option 7,000 $15.48 $108,360
12 Aug 2015
2,000
10 Feb 2015 Karin L Walker
Chief Accounting Officer
Option 2,500 $9.75 $24,375
10 Feb 2015
2,500
9 Dec 2014 Karin L Walker
Chief Accounting Officer
Option 2,500 $9.75 $24,375
9 Dec 2014
2,500
16 Oct 2014 Karin L Walker
Chief Accounting Officer
Option 2,500 $9.75 $24,375
16 Oct 2014
2,500
12 Aug 2014 Karin L Walker
Chief Accounting Officer
Option 2,500 $9.75 $24,375
12 Aug 2014
2,500
6 Jun 2014 Karin L Walker
Chief Accounting Officer
Option 8,000 $9.75 $78,000
6 Jun 2014
8,000


Prothena plc executives and stock owners

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