401(k) · DOL Form 5500 · 2024

Sound Seal, Inc. 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets
204
Participants Below avg headcount
58th
Percentile by assets National rank
$54,294
Avg per participant Low balance/head
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Official DOL plan name: Sound Seal, Inc. 401(k) Plan · Sponsored by Sound Seal, Inc. · Massachusetts · Manufacturing

$11M in assets, 204 participants

Sound Seal, Inc.'s Sound Seal, Inc. 401(k) Plan reported $11M in total assets and 204 participants in its 2024 DOL Form 5500 filing, ranking in the 58th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #7,881 in Manufacturing (17,777 peers)

Coverage in Massachusetts

Sound Seal, Inc. 401(k) Plan covers 204 participants in Massachusetts, about 31% of the average Massachusetts filer (state average ~659 per filing). Assets: $11M.

#7,881
in Manufacturing (17,777 peers)
+30.0%
assets growth YoY

Sound Seal, Inc. 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

Sound Seal, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$11,075,936 Top 42% higher than 58% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Sound Seal, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Sound Seal, Inc. 401(k) Plan sits mid-pack in the medium band (204 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Sound Seal, Inc. 401(k) Plan reported net income rose from $1M in the plan year 2023 filing to $3M in the plan year 2024 filing.
  • Sound Seal, Inc. 401(k) Plan end-of-year assets rose from $9M in the plan year 2023 filing to $11M in the plan year 2024 filing.
  • Sound Seal, Inc. 401(k) Plan reported participants fell from 249 in the plan year 2023 filing to 204 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 464283000 · Sound Seal, Inc. PY 2024 · 401(k)

Sound Seal, Inc. 401(k) Plan · $11M · 204 · 58th

  • BOY $11M
  • SCH 204
  • EBSA 58th
  • PART 401(k)
  • TYPE near Sierra National Construction, Inc. 401(k) Pw Plan
  • NET ind #7881

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in Massachusetts →

Sound Seal, Inc. 401(k) Plan in the asset neighbourhood

Sound Seal, Inc. 401(k) Plan$11MSierra National Construction, Inc. 401(k) Pw PlanSierra National Construction…$11MStone Distributing Company 401(k) PlanStone Distributing Company 4…$11MLearning Technologies Group, Inc. Enhanced Match 401(k) PlanLearning Technologies Group,…$11MRoi Revolution, Inc 401(k) PlanRoi Revolution, Inc 401(k) P…$11M
End-of-year total assets ($M) among Sound Seal, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$9M
Net Assets (End of Year)$11M
Net Income$3M
Employer EIN464283000
Plan Effective Date1983-12-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Sound Seal, Inc.)

Sponsor-wide plan assets over time

All Sound Seal, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$11M 56.82608006162072% vs 2022
2024 filing year
$6M$8M$10M$12M 202220232024 $7.06M $11.1M ▲ +56.9%
Year Plans Participants Total Assets
2022 1 208 $7M
2023 1 249 $9M
2024 1 204 $11M

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Sound Seal, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Sound Seal, Inc. 401(k) Plan, Total assets ($B): 0.011075936 · Participants: 204Sound Seal, Inc. 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Sound Seal, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Sound Seal, Inc. 401(k) Plan side-by-side with 3 peers →

Sound Seal, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Sierra National Construction, Inc. 401(k) Pw Plan in CA ($11M); by covered participants it is S.W. Rodgers Co., Inc. 401(k)/Profit Sharing Plan in VA (204 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (204 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Sound Seal, Inc. 401(k) Plan assets move in 2024? ▼
Sound Seal, Inc. 401(k) Plan grew sharply - up 30.0% during 2024, from $9M to $11M. Reported net income was $3M.
How have Sound Seal, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Sound Seal, Inc.'s sponsor-wide assets grew 56.8%, from $7M to $11M.
Which 401(k) plans are similar in size to Sound Seal, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Sierra National Construction, Inc. 401(k) Pw Plan in CA ($11M, 107 participants).
Which 401(k) plans cover a similar participant headcount to Sound Seal, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is S.W. Rodgers Co., Inc. 401(k)/Profit Sharing Plan in VA (204 participants, $41M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 464283000.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.