Castle Biosciences, Inc.
Updated Filing received by DOL
Castle Biosciences, Inc., a professional & technical services employer in Friendswood, Texas, reported 767 participants in its health and welfare plans for plan year 2025. Its Form 5500 shows $10M in insurance premiums across 5 contracts and $181,078 in broker commissions and fees, 0.0% of medical premium against a national median of 3.8% among plans that paid commissions in plan year 2024. The plan is a mix of insured and self-funded coverage. The Department of Labor received the filing on September 11, 2026, within the extension window.
Who was paid on Castle Biosciences, Inc.'s plan
Schedule A, Part I lists each broker or agent paid on each insurance contract and the amount. Totals below add every contract Castle Biosciences, Inc. filed for 2025.
| Broker or agent | Commissions | Fees | Total | Contracts |
|---|---|---|---|---|
| OneDigital · Atlanta, GA | $90,515 | $18,536 | $109,051 | 4 |
| Centro Benefits Research, LLC · Beachwood, OH | $31,911 | $6,384 | $38,295 | 4 |
| Lovitt and Touche, Inc. · Boston, MA | $29,448 | $212 | $29,660 | 4 |
| Marsh McLennan Agency · Saddle Brook, NJ | $0 | $4,072 | $4,072 | 8 |
Source: DOL Form 5500 Schedule A, Part I (broker commissions and fees), plan year 2025, as published in EBSA's 2025 "Latest" dataset. Part I names whoever the carrier paid, which can be a firm or an individual agent; both are public record. Amounts exclude pay from carriers not tied to a listed contract.
Insurance contracts and carriers
Every insurance contract reported on Schedule A: carrier, what it covers, people covered at year end, earned premium, and broker compensation.
| Carrier · coverage | Covered | Premium | Broker pay | Rate |
|---|---|---|---|---|
| Aetna Life Insurance Companyhealth, prescription drug | 1,759 | $10M | — | — |
| Metropolitan Life Insurance Companydental, vision, life, short-term disability, long-term disability | 875 | — | $145,037 | — |
| Metropolitan Life Insurance Companycoverage not coded | 345 | — | $16,306 | — |
| Metropolitan Life Insurance Companycoverage not coded | 234 | — | $11,001 | — |
| Metropolitan Life Insurance Companycoverage not coded | 122 | — | $8,734 | — |
Source: DOL Form 5500 Schedule A, plan year 2025. Self-funded medical coverage has no premium; amounts shown for it are stop-loss or administrative contracts.
How Castle Biosciences, Inc. compares
Medians across employers for plan year 2024, the most recent complete year. Commission rates use fully insured medical contracts only; dollar medians use every employer that disclosed broker pay.
Premium per covered person on medical contracts: $5,836 a year (national median $7,274).
Source: BenefitsLedger benchmarks from 58,547 employer health plans with 100 or more participants, plan year 2024. Methodology.
Year over year
| 2024 | 2025 | Change | |
|---|---|---|---|
| Participants | 565 | 767 | +35.8% |
| Premiums filed | $0 | $10,266,185 | — |
| Broker commissions + fees | $179,010 | $181,078 | +1.2% |
| Commission rate | — | 0.0% | — |
Source: DOL Form 5500 filings for plan years 2024 and 2025.
Filings and timeliness
Plans this employer filed under its EIN with a health benefit code. Large plans are due seven months after the plan year ends, or two and a half months later with an extension; amended filings carry the amendment date, so no timing is asserted for them.
| Plan | Plan year end | Received by DOL | Timing | Participants |
|---|---|---|---|---|
| Castle Biosciences Benefit Plan#501 · insurance | December 31, 2025 | September 11, 2026 | within extension | 767 |
| Castle Biosciences Fsa and Hra#502 · final filing · general assets | December 31, 2025 | September 11, 2026 | within extension | 456 |
| Castle Biosciences Critical Illness#504 · final filing · insurance | December 31, 2025 | September 11, 2026 | within extension | 315 |
| Castle Biosciences Accident#505 · final filing · insurance | December 31, 2025 | September 11, 2026 | within extension | 214 |
| Castle Biosciences Hospital#506 · final filing · insurance | December 31, 2025 | September 11, 2026 | within extension | 122 |
Source: DOL Form 5500 Part I and signature dates; "late" means received after the extended deadline (the 15th day of the tenth month after plan year end). What a late Form 5500 costs.
How much did Castle Biosciences, Inc. pay in health insurance broker commissions in 2025?
Castle Biosciences, Inc.'s 2025 Form 5500 reports $181,078 in broker commissions and fees across 5 insurance contracts ($151,874 in commissions, $29,204 in fees), with OneDigital receiving the largest share.
Is Castle Biosciences, Inc.'s health plan self-funded or fully insured?
The 2025 filing indicates the plan is a mix of insured and self-funded coverage. Medical coverage is written by Aetna Life Insurance Company.
How does Castle Biosciences, Inc.'s broker compensation compare with similar employers?
Castle Biosciences, Inc. paid 0.0% of medical premium in commissions and fees. The median for employers with 500-999 participants is 2.7%, and the median in Texas is 5.6%. Percentages are computed only on fully insured medical contracts with filed premiums.
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Record built October 24, 2026 from U.S. Department of Labor, EBSA Form 5500 datasets (2025, 2024, 2023 plan years, 'Latest' files). Filings can run 7 to 10 months behind the plan year; always confirm against current plan documents. BenefitsLedger is not affiliated with the U.S. Department of Labor. Open the DOL filing search.