Last updated: 22 March 2021 at 4:06pm EST

Joseph Cook Net Worth




The estimated Net Worth of Joseph C. Iii Cook is at least $57.4 Million dollars as of 18 March 2021. Mr. Cook owns over 12,229 units of Castle Biosciences stock worth over $3,860,349 and over the last 5 years he sold CSTL stock worth over $53,227,575. In addition, he makes $286,714 as Independent Director at Castle Biosciences.

Mr. Cook CSTL stock SEC Form 4 insiders trading

Joseph has made over 29 trades of the Castle Biosciences stock since 2019, according to the Form 4 filled with the SEC. Most recently he exercised 12,229 units of CSTL stock worth $195,664 on 18 March 2021.

The largest trade he's ever made was buying 334,745 units of Castle Biosciences stock on 29 July 2019 worth over $5,355,920. On average, Joseph trades about 47,232 units every 20 days since 2019. As of 18 March 2021 he still owns at least 124,407 units of Castle Biosciences stock.

You can see the complete history of Mr. Cook stock trades at the bottom of the page.





Joseph Cook biography

Joseph C. Cook III, Jr. serves as Independent Director of the Company. Since February 2003, Mr. Cook has served as a Managing Director at Mountain Group Partners, an investment firm with investments in the life sciences, agtech and technology sectors. From January 2001 until February 2003, Mr. Cook served as a Director, Private Placements in the Investment Banking Group of Robert W. Baird & Co. Incorporated. Mr. Cook also previously served as a Vice President in the Investment Banking Group at J.C. Bradford & Co. Mr. Cook serves on the board of directors of MiNDERA Corp., a non-invasive transcriptome testing company, and Cerebrotech Medical Systems, Inc., a machine learning cerebral diagnostic company. Mr. Cook holds a B.A. degree in Economics from Davidson College.

What is the salary of Joseph Cook?

As the Independent Director of Castle Biosciences, the total compensation of Joseph Cook at Castle Biosciences is $286,714. There are 8 executives at Castle Biosciences getting paid more, with Derek Maetzold having the highest compensation of $4,132,350.



How old is Joseph Cook?

Joseph Cook is 49, he's been the Independent Director of Castle Biosciences since 2018. There are 12 older and no younger executives at Castle Biosciences. The oldest executive at Castle Biosciences, Inc. is David Kabakoff, 72, who is the Independent Director.

What's Joseph Cook's mailing address?

Joseph's mailing address filed with the SEC is C/O CASTLE BIOSCIENCES, INC., 820 S. FRIENDSWOOD DRIVE, SUITE 201, FRIENDSWOOD, TX, 77546.

Insiders trading at Castle Biosciences

Over the last 5 years, insiders at Castle Biosciences have traded over $378,509,770 worth of Castle Biosciences stock and bought 782,652 units worth $12,524,690 . The most active insiders traders include Daniel Bradbury, Derek J Maetzold, and Joseph C. Iii Cook. On average, Castle Biosciences executives and independent directors trade stock every 6 days with the average trade being worth of $632,640. The most recent stock trade was executed by Derek J Maetzold on 9 September 2024, trading 2,586 units of CSTL stock currently worth $76,184.



What does Castle Biosciences do?

Castle Biosciences, Inc., a commercial-stage dermatological cancer company, focuses to provide diagnostic and prognostic solutions for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify high-risk patients with stage I and II melanomas based on biological information from 31 genes within their tumor tissue. The company also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma, a rare eye cancer; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma, a proprietary GEP test for suspicious pigmented lesions. It offers test services through physicians and their patients. The company was founded in 2007 and is headquartered in Friendswood, Texas.



What does Castle Biosciences's logo look like?

Castle Biosciences, Inc. logo

Complete history of Mr. Cook stock trades at Castle Biosciences

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
18 Mar 2021 Joseph C. Iii Cook
Director
Option 12,229 $16.00 $195,664
18 Mar 2021
124,407
16 Dec 2020 Joseph C. Iii Cook
Director
Sale 169,900 $66.29 $11,262,671
16 Dec 2020
628,410
11 Dec 2020 Joseph C. Iii Cook
Director
Sale 24,659 $59.75 $1,473,375
11 Dec 2020
778,310
9 Dec 2020 Joseph C. Iii Cook
Director
Sale 78,265 $58.35 $4,566,763
9 Dec 2020
792,969
7 Dec 2020 Joseph C. Iii Cook
Director
Sale 47,176 $56.20 $2,651,291
7 Dec 2020
861,234
12 Oct 2020 Joseph C. Iii Cook
Director
Sale 50,000 $54.76 $2,738,000
12 Oct 2020
162,178
9 Sep 2020 Joseph C. Iii Cook
Director
Sale 5,994 $50.06 $300,060
9 Sep 2020
898,410
4 Sep 2020 Joseph C. Iii Cook
Director
Sale 131,103 $47.66 $6,248,369
4 Sep 2020
904,404
2 Sep 2020 Joseph C. Iii Cook
Director
Sale 37,565 $46.01 $1,728,366
2 Sep 2020
1,035,507
31 Aug 2020 Joseph C. Iii Cook
Director
Sale 48,538 $45.94 $2,229,836
31 Aug 2020
1,073,072
27 Aug 2020 Joseph C. Iii Cook
Director
Sale 71,940 $46.03 $3,311,398
27 Aug 2020
1,121,610
25 Aug 2020 Joseph C. Iii Cook
Director
Sale 22,597 $45.89 $1,036,976
25 Aug 2020
1,193,550
21 Aug 2020 Joseph C. Iii Cook
Director
Sale 14,894 $45.88 $683,337
21 Aug 2020
1,216,147
19 Aug 2020 Joseph C. Iii Cook
Director
Sale 17,369 $45.84 $796,195
19 Aug 2020
1,231,041
9 Jul 2020 Joseph C. Iii Cook
Director
Sale 62,990 $43.54 $2,742,585
9 Jul 2020
1,248,410
24 Jun 2020 Joseph C. Iii Cook
Director
Sale 100 $43.11 $4,311
24 Jun 2020
1,311,400
19 Jun 2020 Joseph C. Iii Cook
Director
Sale 52,689 $43.20 $2,276,165
19 Jun 2020
1,311,500
17 Jun 2020 Joseph C. Iii Cook
Director
Sale 73,944 $41.71 $3,084,204
17 Jun 2020
1,364,189
15 Jun 2020 Joseph C. Iii Cook
Director
Sale 24,945 $39.60 $987,822
15 Jun 2020
1,438,133
10 Jun 2020 Joseph C. Iii Cook
Director
Sale 2,108 $39.00 $82,212
10 Jun 2020
1,463,078
2 Jun 2020 Joseph C. Iii Cook
Director
Sale 4,362 $39.01 $170,162
2 Jun 2020
1,465,186
1 Jun 2020 Joseph C. Iii Cook
Director
Sale 371 $39.06 $14,491
1 Jun 2020
1,617,993
28 May 2020 Joseph C. Iii Cook
Director
Sale 15,520 $38.66 $600,003
28 May 2020
1,618,364
26 May 2020 Joseph C. Iii Cook
Director
Sale 36,334 $38.28 $1,390,866
26 May 2020
1,633,884
21 May 2020 Joseph C. Iii Cook
Director
Sale 22,618 $37.37 $845,235
21 May 2020
1,670,218
19 May 2020 Joseph C. Iii Cook
Director
Sale 10,984 $37.09 $407,397
19 May 2020
1,692,836
15 May 2020 Joseph C. Iii Cook
Director
Sale 32,116 $37.13 $1,192,467
15 May 2020
1,703,820
12 May 2020 Joseph C. Iii Cook
Director
Sale 10,919 $36.91 $403,020
12 May 2020
1,735,936
29 Jul 2019 Joseph C. Iii Cook
Director
Buy 334,745 $16.00 $5,355,920
29 Jul 2019
208,053


Castle Biosciences executives and stock owners

Castle Biosciences executives and other stock owners filed with the SEC include: