Diamond Materials, Llc 401(k) Plan: Login, Facts & Contact Information
Diamond Materials, Llc 401(k) Login
18 former Diamond Materials, Llc employees still have money in this plan.
Retirement plan providers can change. This information is from the plan's 2024 filing.
Diamond Materials, Llc 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
- $1.51 million went into the plan in contributions, $531,947 of it from the employer (35%).
- $665,314 was paid out to participants.
- Investment and other income added $1.01 million.
- Administrative expenses were $770, about $4 per account.
How the Diamond Materials, Llc 401(k) changed, 2019–2024
| Plan year | Participants | Plan assets | Employer contributions | Benefits paid |
|---|---|---|---|---|
| 2019 | 228 | $5.47 million | $298,123 | $418,748 |
| 2020 | 224 | $7.26 million | $383,050 | $353,435 |
| 2021 | 266 | $8.73 million | $478,784 | $857,494 |
| 2022 | 291 | $7.94 million | $477,164 | $652,191 |
| 2023 | 321 | $9.65 million | $500,024 | $808,182 |
| 2024 | 315 | $11.5 million | $531,947 | $665,314 |
Diamond Materials, Llc 401(k) Contact Information
Questions about the Diamond Materials, Llc 401(k)
Does Diamond Materials, Llc contribute to the 401(k)?
Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $531,947, 35% of all contributions.
Does the Diamond Materials, Llc 401(k) have automatic enrollment?
No. The plan does not report automatic enrollment; employees enroll themselves.
How many people are in the Diamond Materials, Llc 401(k) plan?
315 participants at the start of plan year 2024, 319 of them active employees, and 18 former employees who still had money in the plan.
What is the average 401(k) balance at Diamond Materials, Llc?
About $64,224 per account: $11.5 million in plan assets across 179 accounts with a balance at the end of plan year 2024.
Who manages the Diamond Materials, Llc 401(k) accounts?
OneAmerica Financial (listed on the filing as AMERICAN UNITED LIFE INSURANCE CO) is the plan's recordkeeper, which is where participants log in to see their balance.
I no longer work at Diamond Materials, Llc. How do I access my 401(k)?
Your account stays with OneAmerica Financial 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.