A123 Systems 401(k) match, vesting and fees
What A123 Systems' 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 | Principal Life Insurance Company | Schedule C ↗ |
| Independent auditor | Janz & Knight, Plc (unmodified opinion, limited scope) | Schedule H ↗ |
| Plan type and status | 401(k) · Active | Form 5500 ↗ |
How the plan compares
Plan year 2024 medians for 8,908 defined-contribution plans in manufacturing with 100 to 499 participants.
| A123 Systems: employer contribution per participant | $1,516 | |
| Peer median | $1,847 |
| A123 Systems: average balance | $81,968 | |
| Peer median | $65,512 |
| A123 Systems: admin expenses ÷ assets | 0.28% | |
| 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 $31.1M at the end of plan year 2021 to $25.3M at the end of plan year 2024.
| Plan year | Participants | Assets | Employer contributions | Per participant | Admin expense ratio | Match formula | Filing |
|---|---|---|---|---|---|---|---|
| 2024 | 312 | $25.3M | $468K | $1,516 | 0.28% | Not published | Form 5500 ↗ |
| 2023 | 346 | $24.4M | $474K | $1,400 | 0.28% | Not published | Form 5500 ↗ |
| 2022 | 374 | $23.2M | $449K | $1,220 | 0.31% | Not published | Form 5500 ↗ |
| 2021 | 399 | $31.1M | $534K | $1,352 | 0.34% | Not published | Form 5500 ↗ |
Common questions
Does A123 Systems match 401(k) contributions?
The match terms for the A123 Systems LLC 401(k) Plan have not been published from its filing yet. The plan year 2024 filing reports $468K in employer contributions, about $1,516 per participant. That total includes any match and profit-sharing; it is not a match formula.
When is the A123 Systems 401(k) match vested?
The vesting schedule for the A123 Systems LLC 401(k) Plan is not in the data published so far. Your Summary Plan Description states it.
Who manages the A123 Systems 401(k)?
The recordkeeper listed on Schedule C of the plan year 2024 filing is Principal Life Insurance Company. The plan administrator is A123 Systems LLC.
I left A123 Systems. How do I find my old 401(k)?
Your account stays in the plan until you move it. Contact the plan administrator (A123 Systems LLC, (734) 772-0300) or the recordkeeper, Principal Life Insurance Company. The A123 Systems old 401(k) page lists the contacts from every plan filing. Find an old A123 Systems 401(k)
Data from the public Form 5500 annual reports A123 Systems 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 A123 Systems. Not financial advice. Report a correction · Methodology