Mammoth Energy Partners, LLC

Oklahoma City, OK Mining & energyNAICS 213110

Self-funded health planPlan year 2025Renews January
765Participants0% vs. prior year
$1.8MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#6 of 8Mining & energy in OKBy participants

Overview

Mammoth Energy Partners, LLC sponsors a self-funded health plan that covered 765 participants in plan year 2025, about the same as 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
765 · prior year 765
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Mammoth Energy Partners, LLC Welfare Benefits Plan, plan 501 (765 participants)
Broker compensation
$66K across insured contracts
MedicalLife insuranceDentalVisionShort-term disabilityLong-term disabilityDeath benefitsOther welfare benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Prudential Insurance Company of AmericaLife, Short-term disability, Long-term disability181$459K$66K

Pharmacy benefit estimate

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

$1.8M/ year

Estimated prescription spend: 765 participants × $2,371 national average per member. Usually higher once dependents are counted.

$47K–$116K/ year

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

Brands with a generic available$14K–$34K
Lower-cost therapeutic alternatives$20K–$42K
Generic pricing vs. actual cost$9K–$26K
PBM contract terms$5K–$14K
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
Mammoth Energy Partners, LLC
Sponsor EIN
47-1902732
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 47-1902732 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust
Type
401(k) plan
Participants
1,744

About this data

Source: Mammoth Energy Partners, LLC'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 Mammoth Energy Partners, LLC.

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