Alexander KarpAlexander Karp earned $1B in 2024

In 2023, Derek J. Maetzold earned $1.61M in total compensation at Castle Biosciences, including $686.40K salary and $893.35K bonus. Most recently sold 58,354 shares in Mar 2025. Currently holds stock worth $1.82M. Has donated $12.25M in stock to charitable causes. Has led Castle Biosciences for over 18 years.

Compensation History

Annual executive compensation data for Derek J. Maetzold, including salary, bonuses, and stock awards.

Year

2023

Total Compensation

$1.61M

Salary

$686.40K

Bonus

$893.35K

Other

$26.23K

Salary

$686.40K

Board Justification

The compensation philosophy is designed to attract, retain, and motivate executive officers by offering competitive compensation packages that include a base salary, annual cash bonuses, and long-term equity incentive awards, aligned with market trends and industry data.

Bonus

$893.35K

Board Justification

The bonus for 2023 was based entirely on corporate performance goals, achieving 137% of the target bonus opportunity.

Other Compensation

$26.23K

Board Justification

Other compensation includes 401(k) matching contributions and financial advisory services.

Restricted Stock

$0.000 N/A

Board Justification

No stock awards were granted in 2023; therefore, no stock vested in 2023.

Performance Metrics

The performance metrics for 2023 included revenue growth and achievement of corporate performance goals.

C

Derek J. Maetzold

Founder and CEO of Castle Biosciences

Education

B.S. degree in Biology from George Mason University and an MBA from University of California, Riverside.

Field of Expertise

Healthcare & Life Sciences - Life Sciences

Sector of Economy

Healthcare

CEO of Castle Biosciences for

18 years 2 months (Sep 2007 - Present)

Previous Experience

Held leadership roles at Encysive Pharmaceuticals, Schering-Plough Corporation (now Merck), Integrated Communications, Amylin Pharmaceuticals and Sandoz Pharmaceuticals (now a division of Novartis).

Holdings

Track Derek J. Maetzold's stock holdings and portfolio value over time.

Total Stock Sold

$84.06M

CSTL

$84.06M

1,695,915 CSTL shares

What if they kept their stock?

If Derek J. Maetzold didn't sell their stock, today they would have:
Extra CSTL1,695,915 shares worth $44.08M.
This is -47.57% and $39.99M less than what they got when they sold the stock.

Charitable Transactions

CSTL

471,284 shares

CSTL

Recent Charitable Transactions

CSTL

122,181 shares

CSTL

Jan 10, 2022

Charity

CSTL

349,103 shares

CSTL

Dec 31, 2020

Charity

Insider Trading

Derek J. Maetzold's recent stock transactions, purchases, and sales filed with the SEC.

CSTL

$1.19M

CSTL at $20.34/share

Mar 7, 2025

Sale

CSTL

$237.24K

CSTL at $20.86/share

Mar 4, 2025

Sale

CSTL

$146.44K

CSTL at $28.55/share

Jan 13, 2025

Sale

CSTL

$226.57K

CSTL at $29.47/share

Jan 6, 2025

Sale

CSTL

$267.30K

CSTL at $28.55/share

Dec 17, 2024

Sale

CSTL

$752.77K

CSTL at $28.82/share

Dec 13, 2024

Sale

CSTL

$160.74K

CSTL at $31.35/share

Dec 5, 2024

Sale

CSTL

$175.09K

CSTL at $34.15/share

Nov 12, 2024

Sale

CSTL

$168.38K

CSTL at $32.84/share

Nov 4, 2024

Sale

CSTL

$165.46K

CSTL at $32.27/share

Oct 14, 2024

Sale

Rivals

Compare Derek J. Maetzold with competitor CEOs and industry peers.