401(k)
2023 plan-year 401(k) DOL Form 5500

Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust

ERISA Form 5500 plan record drawn from DOL EBSA — verify with linked source filings below.

Sponsored by Castle Biosciences Inc · Texas · Professional & Technical Services

What the 2023 filing shows

Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust holds $37M for 534 participants — about $68,639 per participant, up 71.6% over the 2023 plan year.

$37M
total plan assets (2023 EOY)
534
covered participants
$68,639
avg assets per participant
+71.6%
assets growth YoY
Total Assets (2023)
$37M
Participants
534
State
Industry
Professional & Technical Services

What the Filing Says About Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust

Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust is a 401(k) retirement plan sponsored by Castle Biosciences Inc, headquartered in Texas. As of the 2023 Form 5500 filing, the plan reports $37M in total end-of-year assets and covers 534 participants across the Professional & Technical Services industry. The sponsor's EIN on file with the U.S. Department of Labor is 770701774, and the plan has been effective since 2014-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $21M at the beginning of 2023 to $37M at year-end — a gain of 71.6%. Net assets (after liabilities) closed the year at $37M, with reported net income of $15M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

Financial Summary (2023)

Total Assets (Beginning of Year)$21M
Total Assets (End of Year)$37M
Net Assets (End of Year)$37M
Net Income$15M
Plan Type401(k)
Employer EIN770701774
Plan Effective Date2014-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Castle Biosciences Inc)

Year Plans Participants Total Assets
2022 1 361 $21M
2023 1 534 $37M
2024 1 615 $53M

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Frequently Asked Questions

How much money is in the Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust?
As of the 2023 Form 5500 filing, Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust holds $37M in total assets with 534 participants. It is sponsored by Castle Biosciences Inc.
What type of plan is Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust?
Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust is a 401(k) plan. It has been effective since 2014-01-01. The plan is filed with the U.S. Department of Labor under EIN 770701774.
Who sponsors the Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust?
Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust is sponsored by Castle Biosciences Inc, located in Texas. The sponsor's EIN is 770701774 and the plan operates in the Professional & Technical Services industry.
How did Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust perform in 2023?
Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust grew by 71.6% during 2023, moving from $21M to $37M in total assets. Net income was $15M.
Where can I find official filings for Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust?
Official Form 5500 filings for Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 770701774 or plan name at efast.dol.gov.
How does Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust compare to other plans?
You can compare Castle Biosciences, Inc. 401(k) Profit Sharing Plan and Trust against other 401(k) plans on the plan type page, or view plans in Texas on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.

Explore PlainRetire

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) — original filing retrieval by EIN 770701774.

Reference: IRS Publication 560 — Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B — Distributions from IRAs, RMD rules under SECURE Act 2.0.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.