How big is MGX Inc.'s plan?

MGX Inc.'s plan reported $1.1M in assets and 37 participants for 2025.

Original filing (PDF)20260518151607NAL0000099043001

MGX Inc.

Name: MGX Inc. — MGX Inc. 401(k) Plan, Form 5500 (2025)
Creator: MGX Inc.
License: https://www.usa.gov/government-works

Form 5500-SF

FILING_RECEIVED

MGX Inc. 401(k) Plan

401(k) retirement plan · MGX Inc.'s MGX Inc. 401(k) Plan held $1.1M in plan assets for 37 participants in 2025.

Active participants

Accounts w/ balance

Plan assets (EOY)

$1.1M

Net assets (EOY)

$1.1M

People on this filing

JENI Tominia signed MGX Inc.'s 2025 Form 5500 as plan administrator.

JENI Tominia — Plan Administrator — Form 5500 signer

Get verified email & phone for these signers

Signer names are public record from the Form 5500 e-signature.

Plan identifiers

MGX Inc.'s EIN is 39-3471892.

EIN 39-3471892

Plan number 001

Plan year 2025

ACK ID 20260518151607NAL0000099043001

Official Form 5500 document

Download the official 2025 Form 5500 (PDF) for MGX Inc. from the U.S. Department of Labor's EFAST2 system.

Download the official 2025 Form 5500 (PDF)

Plan features

MGX Inc.'s plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, a default investment (QDIA).

Decision-maker contacts

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Plan health score

Above-average plan

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool. Based on 70% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

Vendor & structure

100

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.

Plan sponsor

Name

MGX INC.

EIN

all filings

Address

1500 FENPARK DRIVE · FENTON, MO · 63026

Phone

(636) 600-1761

Industry

Manufacturing

Plan administrator

Same as plan sponsor.

Plan characteristics

Plan number

001

Plan year

2025

Plan year begin

2025-01-01

Tax period

2025-12-31

Filed

2026-05-18

Pension benefit codes

2E · Profit-sharing

2F · ERISA section 404(c)

2G · Total participant-directed accounts

2J · 401(k) feature

2T · Default investment account (QDIA)

3D · Pre-approved plan (master / prototype / VS)

3H · Sponsor in controlled / affiliated group

Audit & trust (Schedule H)

Service providers (Schedule C)

Small plans don't disclose service providers

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