401(k) · DOL Form 5500 · 2022

Amperity, Inc. 401(k) Plan

Data updated 2026-08-25

$12M
Total assets Small plan by assets
264
Participants Below avg headcount
68th
Percentile by assets National rank
$44,306
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Amperity 401(k) Plan · Sponsored by Amperity, Inc. · Washington · Professional & Technical Services

$12M in assets, 264 participants

Amperity, Inc.'s Amperity 401(k) Plan reported $12M in total assets and 264 participants in its 2022 DOL Form 5500 filing, ranking in the 68th 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.

  • #14,484 in Professional & Technical Services (21,562 peers)

Coverage in Washington

Amperity 401(k) Plan covers 264 participants in Washington, about 18% of the average Washington filer (state average ~1,476 per filing). Assets: $12M.

#14,484
in Professional & Technical Services (21,562 peers)
+19.2%
assets growth YoY

Amperity 401(k) Plan's outsized position by total assets

Amperity 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$11,696,844 Top 32% higher than 68% of 139,123 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 2022

Amperity 401(k) Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Amperity 401(k) Plan sits mid-pack in the medium band (264 participants).

EBSA filing schedule strip

Filing strip 810890699 · Amperity, Inc. PY 2022 · 401(k)

Amperity 401(k) Plan · $12M · 264 · 68th

  • EBSA $12M
  • EBSA 264
  • EBSA 68th
  • EBSA 401(k)
  • EBSA near Islands Restaurants 401(k) Plan
  • EBSA ind #14484

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 Professional & Technical Services retirement plans → · Plans in Washington →

Amperity 401(k) Plan in the asset neighbourhood

Amperity 401(k) Plan$12MIslands Restaurants 401(k) PlanIslands Restaurants 401(k) P…$12MGibson Overseas, Inc 401(k) PlanGibson Overseas, Inc 401(k) …$12MDennis' 7 Dees Tax Deferred Savings PlanDennis' 7 Dees Tax Deferred …$12MGreenheck Fan Corporation (F/K/a Metal Industries) 401(k) Savings PlanGreenheck Fan Corporation (F…$12M
End-of-year total assets ($M) among Amperity 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Washington filing particulars

Total Assets (Beginning of Year)$10M
Net Assets (End of Year)$12M
Net Income$2M
Employer EIN810890699
Plan Effective Date2016-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Amperity, Inc.)

Sponsor-wide plan assets over time

All Amperity, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$26M 125.66167420887207% vs 2022
2024 filing year
$10M$15M$20M$25M$30M 202220232024 $11.7M $26.4M ▲ +125.6%
Year Plans Participants Total Assets
2022 1 264 $12M
2023 1 364 $19M
2024 1 313 $26M

Nearby 401(k) Plans in Washington

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

Amperity 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -500000050000010000001500000 -20020406080 Total assets ($B) Participants Amperity 401(k) Plan, Total assets ($B): 0.011696844 · Participants: 264Amperity 401(k) PlanThe Boeing Company 401(k) Retirement Plan, Total assets ($B): 63.503643295 · Participants: 118434The Boeing Company 401(k) Retirement PlanMicrosoft Corporation Savings Plus 401(k) Plan, Total assets ($B): 39.602667639 · Participants: 109797Microsoft Corporation Savings Plus 401(k) PlanCostco 401(k) Retirement Plan, Total assets ($B): 25.912962472 · Participants: 181505Costco 401(k) Retirement PlanAmazon 401(k) Plan, Total assets ($B): 17.732345025 · Participants: 1230308Amazon 401(k) PlanT-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust, Total assets ($B): 7.280031396 · Participants: 75797T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust
Amperity 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Amperity 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Washington, the nearest 401(k) by assets is Islands Restaurants 401(k) Plan in CA ($12M); by covered participants it is Magnificus Corporation 401(k) Plan in MD (264 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (264 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Amperity 401(k) Plan assets move in 2022?
Amperity 401(k) Plan grew sharply - up 19.2% during 2022, from $10M to $12M. Reported net income was $2M.
How have Amperity, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Amperity, Inc.'s sponsor-wide assets grew 125.7%, from $12M to $26M.
Which 401(k) plans are similar in size to Amperity 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Islands Restaurants 401(k) Plan in CA ($12M, 1,642 participants).
Which 401(k) plans cover a similar participant headcount to Amperity 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Magnificus Corporation 401(k) Plan in MD (264 participants, $2M in assets).