Diamond Materials 401(k) match, vesting and fees
What Diamond Materials' 401(k) plan says about matching contributions
Plan features
Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.
| Recordkeeper | American United Life Insurance Co | Schedule C ↗ |
| Independent auditor | Foulk Huber, PA (unmodified opinion, limited scope) | Schedule H ↗ |
| Plan type and status | 401(k) · Active | Form 5500 ↗ |
How the plan compares
Plan year 2024 medians for 3,874 defined-contribution plans in construction with 100 to 499 participants.
| Diamond Materials: employer contribution per participant | $2,972 | |
| Peer median | $2,411 |
| Diamond Materials: average balance | $64,224 | |
| Peer median | $61,921 |
| Diamond Materials: admin expenses ÷ assets | <0.01% | |
| Peer median | 0.39% |
Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.
Plan history
Plan assets went from $8.7M at the end of plan year 2021 to $11.5M at the end of plan year 2024.
| Plan year | Participants | Assets | Employer contributions | Per participant | Admin expense ratio | Match formula | Filing |
|---|---|---|---|---|---|---|---|
| 2024 | 337 | $11.5M | $532K | $2,972 | <0.01% | Not published | Form 5500 ↗ |
| 2023 | 304 | $9.6M | $500K | $2,841 | 0.01% | Not published | Form 5500 ↗ |
| 2022 | 182 | $7.9M | $477K | $2,927 | 0.90% | Not published | Form 5500 ↗ |
| 2021 | 291 | $8.7M | $479K | $2,833 | 1.19% | Not published | Form 5500 ↗ |
Common questions
Does Diamond Materials match 401(k) contributions?
The match terms for the Diamond Materials 401(k) Plan have not been published from its filing yet. The plan year 2024 filing reports $532K in employer contributions, about $2,972 per participant. That total includes any match and profit-sharing; it is not a match formula.
When is the Diamond Materials 401(k) match vested?
The vesting schedule for the Diamond Materials 401(k) Plan is not in the data published so far. Your Summary Plan Description states it.
Who manages the Diamond Materials 401(k)?
The recordkeeper listed on Schedule C of the plan year 2024 filing is American United Life Insurance Co. The plan administrator is Diamond Materials LLC.
I left Diamond Materials. How do I find my old 401(k)?
Your account stays in the plan until you move it. Contact the plan administrator (Diamond Materials LLC, (302) 658-6524) or the recordkeeper, American United Life Insurance Co. The Diamond Materials old 401(k) page lists the contacts from every plan filing. Find an old Diamond Materials 401(k)
Data from the public Form 5500 annual reports Diamond Materials filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Diamond Materials. Not financial advice. Report a correction · Methodology