Mac Arthur Co 401(k) Plan: Login, Facts & Contact Information
Mac Arthur Co 401(k) Login
363 former Mac Arthur Co employees still have money in this plan.
Retirement plan providers can change. This information is from the plan's 2024 filing.
Mac Arthur Co 401(k) Plan Facts
Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Oct 14, 2025. Public filing with the U.S. Department of Labor.
Money in and out in plan year 2024
- $27.0 million went into the plan in contributions, $19.3 million of it from the employer (71%).
- $85.5 million was paid out to participants.
- Investment and other income added $21.4 million.
- Administrative expenses were $149,263, about $90 per account.
How the Mac Arthur Co 401(k) changed, 2019–2024
| Plan year | Participants | Plan assets | Employer contributions | Benefits paid |
|---|---|---|---|---|
| 2019 | 1,381 | $362.4 million | $5.88 million | $22.0 million |
| 2020 | 1,389 | $465.5 million | $6.55 million | $22.6 million |
| 2021 | 1,366 | $676.3 million | $6.89 million | $23.8 million |
| 2022 | 1,376 | $818.6 million | $7.27 million | $36.1 million |
| 2023 | 1,489 | $1.01 billion | $8.95 million | $61.1 million |
| 2024 | 1,666 | $1.02 billion | $19.3 million | $85.5 million |
Mac Arthur Co 401(k) Contact Information
Questions about the Mac Arthur Co 401(k)
Does Mac Arthur Co contribute to the 401(k)?
Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $19.3 million, 71% of all contributions.
Does the Mac Arthur Co 401(k) have automatic enrollment?
Yes. The plan reports automatic enrollment of eligible employees.
How many people are in the Mac Arthur Co 401(k) plan?
1,666 participants at the start of plan year 2024, 1,300 of them active employees, and 363 former employees who still had money in the plan.
What is the average 401(k) balance at Mac Arthur Co?
About $617,567 per account: $1.02 billion in plan assets across 1,657 accounts with a balance at the end of plan year 2024.
Who manages the Mac Arthur Co 401(k) accounts?
Principal (listed on the filing as PRINCIPAL LIFE INSURANCE COMPANY) is the plan's recordkeeper, which is where participants log in to see their balance.
I no longer work at Mac Arthur Co. How do I access my 401(k)?
Your account stays with Principal after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.