Diamond Plastics 401(k) match, vesting and fees

Plan year 2025 filingDiamond Plastics Corporation 401(k) Plan · Plan 001 · EIN 84-0892683Updated Oct 2026

What Diamond Plastics' 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2025 filing reports $1.8M in employer contributions, about $2,999 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2025 Form 5500 ↗
$54,251
Average account balance
656
Participants (end of year)
$31.8M
Plan assets (end of year)
0.04%
Admin expenses ÷ assets

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.

RecordkeeperFidelity Investments InstitutionalSchedule C ↗
Independent auditorDeloitte & Touche LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗
Late participant contributionsReported on the filingSchedule H ↗

How the plan compares

Plan year 2025 medians for 408 defined-contribution plans in manufacturing with 500 to 999 participants.

Diamond Plastics: employer contribution per participant$2,999
Peer median$2,176
Diamond Plastics: average balance$54,251
Peer median$86,901
Diamond Plastics: admin expenses ÷ assets0.04%
Peer median0.16%

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 $21.9M at the end of plan year 2021 to $31.8M at the end of plan year 2025.

$21.9M2021$20.1M2022$23.1M2023$26.9M2024$31.8M2025
End-of-year figures from each plan year's Form 5500 filing for the Diamond Plastics plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2025656$31.8M$1.8M$2,9990.04%Not publishedForm 5500 ↗
2024630$26.9M$1.5M$2,8490.04%Not publishedForm 5500 ↗
2023452$23.1M$1.4M$3,0430.05%Not publishedForm 5500 ↗
2022456$20.1M$1.3M$2,9700.05%Not publishedForm 5500 ↗
2021460$21.9M$1.2M$2,6210.08%Not publishedForm 5500 ↗

Common questions

Does Diamond Plastics match 401(k) contributions?

The match terms for the Diamond Plastics Corporation 401(k) Plan have not been published from its filing yet. The plan year 2025 filing reports $1.8M in employer contributions, about $2,999 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Diamond Plastics 401(k) match vested?

The vesting schedule for the Diamond Plastics Corporation 401(k) Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Diamond Plastics 401(k)?

The recordkeeper listed on Schedule C of the plan year 2025 filing is Fidelity Investments Institutional. The plan administrator is Diamond Plastics Corporation.

I left Diamond Plastics. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Diamond Plastics Corporation, (308) 384-4400) or the recordkeeper, Fidelity Investments Institutional. The Diamond Plastics old 401(k) page lists the contacts from every plan filing. Find an old Diamond Plastics 401(k)

Data from the public Form 5500 annual reports Diamond Plastics filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024 and 2025) 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 Plastics. Not financial advice. Report a correction · Methodology