Company: CSTL
Filing Date: 2025-04-09
Form Type: DEF 14A
Source: 0001447362-25-000054
Chunk: 29

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-04-09
Form: DEF 14A
Chunk 29
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We have reimbursed and will continue to reimburse all of our non-employee directors for their travel, lodging and other reasonable expenses incurred in attending meetings of our board of directors and committees of our board of directors.

#### Castle Biosciences 2025 Proxy Statement29
| Information Regarding the Board of Directors and Corporate Governance |

#### Non-Employee Director Compensation Policy
Our board of directors has adopted a non-employee director compensation policy that is applicable to each member of our board of directors who is not also serving as an employee or consultant. Our Compensation Committee reviews non-employee director compensation levels annually and submits recommendations with respect to any changes in non-employee director compensation levels to our Board. In 2024, Aon, our Compensation Committee’s independent compensation consultant reviewed the market competitiveness of our non-employee director compensation policy relative to our compensation peer group and recommended certain changes based on governance best practices and market trends to ensure we can attract and retain a highly qualified board of directors.

Upon recommendation of the Compensation Committee, our Board approved an amendment to our non-employee director compensation policy in May 2024 that provided for an increase to the annual cash retainer for service on the board of directors from $45,000 to $47,500. The following is a summary of the non-employee director compensation policy effective May 2024.

Cash Compensation

The following table sets forth the annual cash retainer during the fiscal year ended December 31, 2024:

| Name                                          |     | Members |        |     | Chair |        |     |    |
|:----------------------------------------------|:----|:--------|-------:|:----|:------|-------:|:----|---:|
| Directors                                     |     | $       | 47,500 |     | $     | 45,000 |     | -1 |
| Audit Committee                               |     | $       | 10,000 |     | $     | 20,000 |     | -2 |
| Compensation Committee                        |     | $       |  7,500 |     | $     | 20,000 |     | -2 |
| Nominating and Corporate Governance Committee |     | $       |  5,000 |     | $     | 10,000 |     | -2 |

(1) An additional cash retainer for service as chair of the board of directors.

(2) An additional cash retainer for service as a member of the Audit Committee, Compensation Committee and