SK Siltron CSS 401(k) match, vesting and fees
What SK Siltron CSS' 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 | Empower Annuity Insurance Company O | Schedule C ↗ |
| Independent auditor | Yeo & Yeo (unmodified opinion, limited scope) | Schedule H ↗ |
| Plan type and status | 401(k) · Active | Form 5500 ↗ |
How the plan compares
Plan year 2025 medians for 3,042 defined-contribution plans in manufacturing with 100 to 499 participants.
| SK Siltron CSS: employer contribution per participant | $7,238 | |
| Peer median | $1,962 |
| SK Siltron CSS: average balance | $85,910 | |
| Peer median | $75,225 |
| SK Siltron CSS: admin expenses ÷ assets | 0.33% | |
| Peer median | 0.32% |
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 $4.6M at the end of plan year 2021 to $21.2M at the end of plan year 2025.
| Plan year | Participants | Assets | Employer contributions | Per participant | Admin expense ratio | Match formula | Filing |
|---|---|---|---|---|---|---|---|
| 2025 | 253 | $21.2M | $1.8M | $7,238 | 0.33% | Not published | Form 5500 ↗ |
| 2024 | 295 | $15.4M | $2M | $6,733 | 0.18% | Not published | Form 5500 ↗ |
| 2023 | 257 | $10.4M | $1.6M | $6,543 | 0.16% | Not published | Form 5500 ↗ |
| 2022 | 223 | $6.2M | $1.2M | $5,810 | 0.20% | Not published | Form 5500 ↗ |
| 2021 | 158 | $4.6M | $793K | $5,875 | 0.04% | Not published | 5500-SF ↗ |
Common questions
Does SK Siltron CSS match 401(k) contributions?
The match terms for the Sk Siltron Css 401(k) Retirement Plan have not been published from its filing yet. The plan year 2025 filing reports $1.8M in employer contributions, about $7,238 per participant. That total includes any match and profit-sharing; it is not a match formula.
When is the SK Siltron CSS 401(k) match vested?
The vesting schedule for the Sk Siltron Css 401(k) Retirement Plan is not in the data published so far. Your Summary Plan Description states it.
Who manages the SK Siltron CSS 401(k)?
The recordkeeper listed on Schedule C of the plan year 2025 filing is Empower Annuity Insurance Company O. The plan administrator is Sk Siltron Css, LLC.
I left SK Siltron CSS. How do I find my old 401(k)?
Your account stays in the plan until you move it. Contact the plan administrator (Sk Siltron Css, LLC, (989) 316-7276) or the recordkeeper, Empower Annuity Insurance Company O. The SK Siltron CSS old 401(k) page lists the contacts from every plan filing. Find an old SK Siltron CSS 401(k)
Data from the public Form 5500 annual reports SK Siltron CSS 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 SK Siltron CSS. Not financial advice. Report a correction · Methodology