Simpson Manufacturing 401(k) match, vesting and fees
What Simpson Manufacturing's 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 | The Vanguard Group, Inc. | Schedule C ↗ |
| Independent auditor | Bdo USA, P.C. (unmodified opinion) | Schedule H ↗ |
| Plan type and status | 401(k) · Active | Form 5500 ↗ |
| Late participant contributions | Reported on the filing | Schedule H ↗ |
How the plan compares
Plan year 2025 medians for 434 defined-contribution plans in manufacturing with 1,000 to 4,999 participants.
| Simpson Manufacturing: employer contribution per participant | $6,815 | |
| Peer median | $2,591 |
| Simpson Manufacturing: average balance | $151,406 | |
| Peer median | $102,504 |
| Simpson Manufacturing: admin expenses ÷ assets | <0.01% | |
| Peer median | 0.11% |
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 $331M at the end of plan year 2021 to $526M at the end of plan year 2025.
| Plan year | Participants | Assets | Employer contributions | Per participant | Admin expense ratio | Match formula | Filing |
|---|---|---|---|---|---|---|---|
| 2025 | 3,516 | $526M | $23.7M | $6,815 | <0.01% | Not published | Form 5500 ↗ |
| 2024 | 3,670 | $442M | $22.6M | $6,235 | <0.01% | Not published | Form 5500 ↗ |
| 2023 | 3,370 | $383M | $20.2M | $6,058 | <0.01% | Not published | Form 5500 ↗ |
| 2022 | 3,189 | $294M | $17.2M | $5,452 | <0.01% | Not published | Form 5500 ↗ |
| 2021 | 2,939 | $331M | $14.7M | $5,049 | <0.01% | Not published | Form 5500 ↗ |
Other Simpson Manufacturing plans (1)
Each plan files its own Form 5500. Figures are from each plan's latest filing.
Simpson Manufacturing Co. , Inc. Smw Supplemental 401(k) Plan
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 | The Vanguard Group, Inc. | Schedule C ↗ |
| Independent auditor | Bdo USA, P.C. (unmodified opinion, limited scope) | Schedule H ↗ |
| Plan type and status | 401(k) · Active | Form 5500 ↗ |
Common questions
Does Simpson Manufacturing match 401(k) contributions?
The match terms for the Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan have not been published from its filing yet. The plan year 2025 filing reports $23.7M in employer contributions, about $6,815 per participant. That total includes any match and profit-sharing; it is not a match formula.
When is the Simpson Manufacturing 401(k) match vested?
The vesting schedule for the Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan is not in the data published so far. Your Summary Plan Description states it.
Who manages the Simpson Manufacturing 401(k)?
The recordkeeper listed on Schedule C of the plan year 2025 filing is The Vanguard Group, Inc.. The plan administrator is Simpson Manufacturing Co., Inc.
I left Simpson Manufacturing. How do I find my old 401(k)?
Your account stays in the plan until you move it. Contact the plan administrator (Simpson Manufacturing Co., Inc, (925) 560-9000) or the recordkeeper, The Vanguard Group, Inc.. The Simpson Manufacturing old 401(k) page lists the contacts from every plan filing. Find an old Simpson Manufacturing 401(k)
Data from the public Form 5500 annual reports Simpson Manufacturing 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 Simpson Manufacturing. Not financial advice. Report a correction · Methodology