401(k) · DOL Form 5500 · 2024

Amperity, Inc. 401(k) Plan

Data updated 2026-08-25

$26M
Total assets Below avg plan size
313
Participants Below avg headcount
75th
Percentile by assets National rank
$84,330
Avg per participant Below avg balance/head
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Official DOL plan name: Amperity 401(k) Plan · Sponsored by Amperity, Inc. · Washington · Professional & Technical Services

$26M in assets, 313 participants

Amperity, Inc.'s Amperity 401(k) Plan reported $26M in total assets and 313 participants in its 2024 DOL Form 5500 filing, ranking in the 75th 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.

  • #15,170 in Professional & Technical Services (20,173 peers)

Coverage in Washington

Amperity 401(k) Plan covers 313 participants in Washington, about 21% of the average Washington filer (state average ~1,476 per filing). Assets: $26M.

#15,170
in Professional & Technical Services (20,173 peers)
+37.6%
assets growth YoY
0.3×
vs typical plan assets (national mean)

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 2024 · DOL Form 5500

$26,395,294 Top 25% higher than 75% 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

Amperity 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. Amperity 401(k) Plan sits mid-pack in the medium band (313 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Amperity 401(k) Plan end-of-year assets rose from $19M in the plan year 2023 filing to $26M in the plan year 2024 filing.
  • Amperity 401(k) Plan reported participants fell from 364 in the plan year 2023 filing to 313 in the plan year 2024 filing.
  • Amperity 401(k) Plan reported net income fell from $7M in the plan year 2023 filing to $7M in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 810890699 · Amperity, Inc. PY 2024 · 401(k)

Amperity 401(k) Plan · $26M · 313 · 75th

  • RANK $26M
  • PHOTO 313
  • IND 75th
  • EOY 401(k)
  • 5500 near Sojern, Inc. 401(k) Plan
  • ASSETS ind #15170

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$26MThe Navco Retirement Savings PlanThe Navco Retirement Savings…$26MTrue North Human Capital Retirement Savings PlanTrue North Human Capital Ret…$26MSojern, Inc. 401(k) Plan$26MTrue Temper Sports, Inc. Retirement Savings PlanTrue Temper Sports, Inc. Ret…$26M
End-of-year total assets ($M) among Amperity 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Washington filing particulars

Total Assets (Beginning of Year)$19M
Net Assets (End of Year)$26M
Net Income$7M
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): 0.026395294 · Participants: 313Amperity 401(k) PlanThe Boeing Company 401(k) Retirement Plan, Total assets ($B): 73.910477714 · Participants: 139394The Boeing Company 401(k) Retirement PlanMicrosoft Corporation Savings Plus 401(k) Plan, Total assets ($B): 65.646011638 · Participants: 118818Microsoft Corporation Savings Plus 401(k) PlanCostco 401(k) Retirement Plan, Total assets ($B): 41.017392708 · Participants: 202468Costco 401(k) Retirement PlanAmazon 401(k) Plan, Total assets ($B): 34.593744657 · Participants: 1209303Amazon 401(k) Plan401(k) Savings Plan, Total assets ($B): 10.074085187 · Participants: 86668401(k) Savings Plan
Amperity 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants
Compare Amperity 401(k) Plan side-by-side with 3 peers →

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

Outside Washington, the nearest 401(k) by assets is Sojern, Inc. 401(k) Plan in NE ($26M); by covered participants it is 403(b) Thrift Plan of Waypoint in NH (313 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($26M here).

Similar participant headcount

Nearest other-state filings by covered participants (313 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 Amperity 401(k) Plan assets move in 2024? ▼
Amperity 401(k) Plan surged - up 37.6% during 2024, from $19M to $26M. Reported net income was $7M.
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.
Where does Amperity 401(k) Plan rank by assets among Form 5500 filers? ▼
Amperity 401(k) Plan ranks in the 75th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
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 Sojern, Inc. 401(k) Plan in NE ($26M, 240 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 403(b) Thrift Plan of Waypoint in NH (313 participants, $10M 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 810890699.

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.