Plexus Corp.

Neenah, WI Finance & insuranceNAICS 525100

Self-funded health planPlan year 2025Renews January
2,733Participants-14% vs. prior year
$6.5MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#5 of 18Finance & insurance in WIBy participants

Overview

Plexus Corp. sponsors a self-funded health plan that covered 2,733 participants in plan year 2025, down 14% 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
2,733 · prior year 3,183
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Health Plan for Employees of Plexus Corp., plan 501 (2,733 participants)
Broker compensation
$224K 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
Unum Life Insurance Company of AmericaLife, Long-term disability2,676$1.5M$121K
Reliastar Life Insurance CompanyCritical Illness, Accident & Hospital In2,456$554K$102K
Spring HealthEmployee Assistance Program2,733$268K—
Zurich American Insurance CompanyBusiness Travel Accident/ad&d2,733$11K$2K

Pharmacy benefit estimate

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

$6.5M/ year

Estimated prescription spend: 2,733 participants × $2,371 national average per member. Usually higher once dependents are counted.

$168K–$415K/ year

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

Brands with a generic available$49K–$123K
Lower-cost therapeutic alternatives$72K–$150K
Generic pricing vs. actual cost$31K–$93K
PBM contract terms$16K–$49K
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
Plexus Corp.
Sponsor EIN
39-1344447
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 39-1344447 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Plexus Corp. 401(k) Retirement Plan
Type
401(k) plan
Participants
4,326

About this data

Source: Plexus Corp.'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 Plexus Corp..

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