Aspen Aerogels 401(k) match, vesting and fees

Plan year 2024 filingAspen Aerogels, Inc. 401(k) Plan · Plan 001 · EIN 04-3559972Updated Oct 2026

What Aspen Aerogels' 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $1.6M in employer contributions, about $2,551 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$65,205
Average account balance
636
Participants (end of year)
$40.7M
Plan assets (end of year)
0.36%
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.

RecordkeeperEmpower Annuity Ins Co of AmericaSchedule C ↗
Independent auditorAafcpas, Inc (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2024 medians for 1,612 defined-contribution plans in manufacturing with 500 to 999 participants.

Aspen Aerogels: employer contribution per participant$2,551
Peer median$2,038
Aspen Aerogels: average balance$65,205
Peer median$72,907
Aspen Aerogels: admin expenses ÷ assets0.36%
Peer median0.20%

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 $24.3M at the end of plan year 2021 to $40.7M at the end of plan year 2024.

$24.3M2021$24.4M2022$33.4M2023$40.7M2024
End-of-year figures from each plan year's Form 5500 filing for the Aspen Aerogels plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2024636$40.7M$1.6M$2,5510.36%Not publishedForm 5500 ↗
2023626$33.4M$1.5M$2,4280.26%Not publishedForm 5500 ↗
2022587$24.4M$1.2M$2,1270.09%Not publishedForm 5500 ↗
2021462$24.3M$272K$6200.06%Not publishedForm 5500 ↗

Common questions

Does Aspen Aerogels match 401(k) contributions?

The match terms for the Aspen Aerogels, Inc. 401(k) Plan have not been published from its filing yet. The plan year 2024 filing reports $1.6M in employer contributions, about $2,551 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Aspen Aerogels 401(k) match vested?

The vesting schedule for the Aspen Aerogels, Inc. 401(k) Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Aspen Aerogels 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Empower Annuity Ins Co of America. The plan administrator is Aspen Aerogels, Inc..

I left Aspen Aerogels. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Aspen Aerogels, Inc., (508) 691-1187) or the recordkeeper, Empower Annuity Ins Co of America. The Aspen Aerogels old 401(k) page lists the contacts from every plan filing. Find an old Aspen Aerogels 401(k)

Data from the public Form 5500 annual reports Aspen Aerogels 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 Aspen Aerogels. Not financial advice. Report a correction · Methodology