Company: CSTL
Filing Date: 2025-04-09
Form Type: DEF 14A
Source: 0001447362-25-000054
Chunk: 44

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-04-09
Form: DEF 14A
Chunk 44
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 Trust FBO Emily Carol Kirk and The Maetzold 2018 Remainder Trust FBO John Derek Maetzold (collectively the “Children’s Trusts”) and his children are beneficiaries. Mr. Maetzold is a trustee of the DJM Grantor Retained Annuity Trust No. 6 and the beneficiaries are the Children’s Trusts.

(13) Consists of (i) 43,328 shares of common stock and (ii) 165,307 shares of common stock issuable upon the exercise of stock options that are exercisable or will be exercisable within 60 days of March 21, 2025.

(14) Consists of (i) 163,964 shares of common stock and (ii) 146,068 shares of common stock issuable upon the exercise of stock options that are exercisable or will be exercisable within 60 days of March 21, 2025.

(15) Consists of (i) 78,181 shares of common stock, (ii) 2,230 shares of common stock held by the Tobin W. and Susan M. Juvenal Family Revocable Trust and (iii) 146,061 shares of common stock issuable upon the exercise of stock options that are exercisable or will be exercisable within 60 days of March 21, 2025. Mr. Juvenal and his spouse are trustees of the Tobin W. and Susan M. Juvenal Family Revocable Trust and Mr. Juvenal, his spouse and their children are beneficiaries.

(16) Consists of the shares described in footnotes (5) through (15).

#### 44Castle Biosciences 2025 Proxy Statement
| Executive Officers |

Our executive officers hold office at the pleasure of the board of directors and until their successors have been duly elected and qualified, unless removed sooner. Any officer elected or appointed by the board of directors may be removed at any time by the board of directors. If the office of any officer becomes vacant for any reason, the vacancy may be filled by the board of directors. There are no family relationships among any of our directors or executive officers. The following table sets forth information concerning our executive officers as of April 9, 2025:

| Name                   |     | Age |     | Position(s)                 |
| Derek J. Maetzold      |     |  63 |     | President, CEO and Director |
| Frank Stokes           |