Mud Bay, Inc.

Olympia, WA RetailNAICS 453910

Self-funded health planPlan year 2025Renews January
560Participants+16% vs. prior year
$1.3MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#11 of 11Retail in WABy participants

Overview

Mud Bay, Inc. sponsors a self-funded health plan that covered 560 participants in plan year 2025, up 16% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, long-term disability, and more.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
560 · prior year 485
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Mud Bay Inc. Health and Welfare Benefit Plan, plan 501 (560 participants)
Broker compensation
$13K across insured contracts
MedicalLife insuranceDentalVisionLong-term disabilityDeath benefitsOther welfare benefits

Insurance carriers

Insured coverage reported on Schedule A. Self-funded medical claims aren't reported there.

CarrierCoverageCoveredPremiumBroker comp
Metropolitan Life Insurance CompanyLife, Long-term disability339$60K$11K
Vision Service PlanVision264$25K$1K
Willamette Dental of Washington, Inc.Dental49$23K$1K
Telus Health (US) Ltd.Employee Assistance Program560$17K—

Pharmacy benefit estimate

StreamRX estimate for a plan this size. Not based on this plan's claims.

$1.3M/ year

Estimated prescription spend: 560 participants × $2,371 national average per member. Usually higher once dependents are counted.

$35K–$85K/ year

Typical savings opportunity found in independent reviews of plans this size.

Brands with a generic available$10K–$25K
Lower-cost therapeutic alternatives$15K–$31K
Generic pricing vs. actual cost$6K–$19K
PBM contract terms$3K–$10K
The DOL's PBM fee disclosure rule first applies to this plan for the plan year beginning January 2028: semiannual PBM compensation reports and an annual audit right.

Form 5500 filing details

Filing
Form 5500 with Schedule A, plan year 2025
Plan sponsor
Mud Bay, Inc.
Sponsor EIN
91-2060015
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 91-2060015 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Mud Bay, Inc. Employee Stock Ownership Plan and Trust
Type
Defined contribution plan
Participants
576

About this data

Source: Mud Bay, Inc.'s Form 5500 filing for plan year 2025 and its Schedule A insurance reports, published by the U.S. Department of Labor. "Self-funded" means the filing reports benefits paid from employer assets or a trust, with no medical insurance contract or with a stop-loss contract. Pharmacy figures are StreamRX estimates based on national averages. StreamRX is not affiliated with Mud Bay, Inc..

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