401(k) · DOL Form 5500 · 2024

Castle Biosciences, Inc. 401(k) Plan

Data updated 2026-08-25

$53M
Total assets Below avg plan size
615
Participants Below avg headcount
85th
Percentile by assets National rank
$86,093
Avg per participant Below avg balance/head
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Official DOL plan name: Castle Biosciences, Inc. 401(k) Profit Sharing Plan · Sponsored by Castle Biosciences, Inc. · Texas · Professional & Technical Services

$53M in assets, 615 participants

Castle Biosciences, Inc.'s Castle Biosciences, Inc. 401(k) Profit Sharing Plan reported $53M in total assets and 615 participants in its 2024 DOL Form 5500 filing, ranking in the 85th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #17,275 in Professional & Technical Services (20,173 peers)

Where Castle Biosciences, Inc. 401(k) Profit Sharing Plan sits by assets

Castle Biosciences, Inc. 401(k) Profit Sharing Plan sits in the top quartile of all filed plans by assets, $53M for 615 participants (~$86,093/participant), up 44.5% in 2024.

#17,275
in Professional & Technical Services (20,173 peers)
+44.5%
assets growth YoY
0.5×
vs typical plan assets (national mean)

Castle Biosciences, Inc. 401(k) Profit Sharing Plan's outsized position by total assets

Castle Biosciences, Inc. 401(k) Profit Sharing Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$52,947,320 Top 15% higher than 85% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Castle Biosciences, Inc. 401(k) Profit Sharing Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Castle Biosciences, Inc. 401(k) Profit Sharing Plan sits mid-pack in the medium band (615 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Castle Biosciences, Inc. 401(k) Profit Sharing Plan end-of-year assets rose from $37M in the plan year 2023 filing to $53M in the plan year 2024 filing.
  • Castle Biosciences, Inc. 401(k) Profit Sharing Plan reported participants rose from 534 in the plan year 2023 filing to 615 in the plan year 2024 filing.
  • Castle Biosciences, Inc. 401(k) Profit Sharing Plan reported net income rose from $15M in the plan year 2023 filing to $16M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 770701774 · Castle Biosciences, Inc. PY 2024 · 401(k)

Castle Biosciences, Inc. 401(k) Profit Sharing Plan · $53M · 615 · 85th

  • ASSETS $53M
  • ASSETS 615
  • ASSETS 85th
  • ASSETS 401(k)
  • ASSETS near Barrett Mcnagny LLP Profit Sharing Plan & Trust
  • ASSETS ind #17275

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Texas →

Castle Biosciences, Inc. 401(k) Profit Sharing Plan in the asset neighbourhood

Castle Biosciences, Inc. 401(k) Profit Sharing PlanCastle Biosciences, Inc. 401…$53MBarrett Mcnagny LLP Profit Sharing Plan & TrustBarrett Mcnagny LLP Profit S…$53MElkus Manfredi Architects Ltd. 401(k) PlanElkus Manfredi Architects Lt…$53MOrlando Orthopaedic Center M.D. P.a. 401(k) Profit Sharing PlanOrlando Orthopaedic Center M…$53MAires 401(k) Profit Sharing PlanAires 401(k) Profit Sharing …$53M
End-of-year total assets ($M) among Castle Biosciences, Inc. 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$37M
Net Assets (End of Year)$53M
Net Income$16M
Employer EIN770701774
Plan Effective Date2014-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Castle Biosciences, Inc.)

Sponsor-wide plan assets over time

All Castle Biosciences, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$53M 147.9141266278353% vs 2022
2024 filing year
$10M$20M$30M$40M$50M$60M 202220232024 $21.4M $53M ▲ +147.9%
Year Plans Participants Total Assets
2022 1 361 $21M
2023 1 534 $37M
2024 1 615 $53M

Nearby 401(k) Plans in Texas

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Castle Biosciences, Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Texas, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -1001020304050 Total assets ($B) Participants Castle Biosciences, Inc. 401(k) Profit Sharing Plan, Total assets ($B): 0.05294732 · Participants: 615Castle Biosciences, Inc. 401(k) Profit Sharing PlanAT&T Retirement Savings Plan, Total assets ($B): 43.121795 · Participants: 109889AT&T Retirement Savings PlanExxonmobil Savings Plan, Total assets ($B): 23.711 · Participants: 21990Exxonmobil Savings PlanChevron Employee Savings Investment Plan, Total assets ($B): 20.378704663 · Participants: 21505Chevron Employee Savings Investment PlanCaterpillar 401(k) Savings Plan, Total assets ($B): 18.81200478 · Participants: 43873Caterpillar 401(k) Savings PlanSouthwest Airlines Co. Retirement Savings Plan, Total assets ($B): 16.991748637 · Participants: 67820Southwest Airlines Co. Retirement Savings Plan
Castle Biosciences, Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Texas, assets vs. participants
Compare Castle Biosciences, Inc. 401(k) Profit Sharing Plan side-by-side with 3 peers →

Castle Biosciences, Inc. 401(k) Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside Texas, the nearest 401(k) by assets is Barrett Mcnagny LLP Profit Sharing Plan & Trust in IN ($53M); by covered participants it is Timpte 401(k) Retirement Savings and Profit Sharing Plan and Trust in NE (615 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (615 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Castle Biosciences, Inc. 401(k) Profit Sharing Plan assets move in 2024? ▼
Castle Biosciences, Inc. 401(k) Profit Sharing Plan surged - up 44.5% during 2024, from $37M to $53M. Reported net income was $16M.
How have Castle Biosciences, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Castle Biosciences, Inc.'s sponsor-wide assets grew 147.9%, from $21M to $53M.
Where does Castle Biosciences, Inc. 401(k) Profit Sharing Plan rank by assets among Form 5500 filers? ▼
Castle Biosciences, Inc. 401(k) Profit Sharing Plan ranks in the 85th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Castle Biosciences, Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Barrett Mcnagny LLP Profit Sharing Plan & Trust in IN ($53M, 74 participants).
Which 401(k) plans cover a similar participant headcount to Castle Biosciences, Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Timpte 401(k) Retirement Savings and Profit Sharing Plan and Trust in NE (615 participants, $42M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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

Read our methodology - how this data is sourced, computed, and verified.

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