Thames Development Ltd c/o Pittston Coal

Abingdon, VA Mining & energyNAICS 212110

Self-funded health planPlan year 2025Renews JanuaryCollectively bargained

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826Participants-8% vs. prior year

$2.0MEst. pharmacy spend / yrParticipants × national avg.

Jan 2027Next renewalPlan year begins January 1

#2 of 2Mining & energy in VABy participants

Overview

Thames Development Ltd c/o Pittston Coal sponsors a self-funded health plan that covered 826 participants in plan year 2025, down 8% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, short-term disability, and more.

Plan type: ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants: 826 · prior year 897
Plan year: Begins January 1 · next renewal January 2027
Health plans filed: Pittston Coal Group Companies Employee Benefit Plan for Umwa Represented Employees, plan 510 (826 participants)

MedicalLife insuranceDentalVisionShort-term disabilityDeath benefits

Pharmacy benefit estimate

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

$2.0M/ year

Estimated prescription spend: 826 participants × $2,371 national average per member. Usually higher once dependents are counted.

$51K–$126K/ year

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

Brands with a generic available$15K–$37K

Lower-cost therapeutic alternatives$22K–$45K

Generic pricing vs. actual cost$9K–$28K

PBM contract terms$5K–$15K

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: Thames Development Ltd c/o Pittston Coal
Sponsor EIN: 54-1289904
Plan number: 510
Filed with: U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 54-1289904 in the Department of Labor's EFAST2 Form 5500 search.

About this data

Source: Thames Development Ltd c/o Pittston Coal'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 Thames Development Ltd c/o Pittston Coal.

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