401(k) · DOL Form 5500 · 2022
Seattle-Tacoma Box Company 401(k) Plan
Data updated 2026-08-25
- $15M
- Total assets Small plan by assets
- 276
- Participants Below avg headcount
- 72nd
- Percentile by assets National rank
- $54,139
- Avg per participant Low balance/head
Official DOL plan name: Stb Retirement Savings Plan · Sponsored by Seattle-Tacoma Box Company · Washington · Professional & Technical Services
$15M in assets, 276 participants
Seattle-Tacoma Box Company's Stb Retirement Savings Plan reported $15M in total assets and 276 participants in its 2022 DOL Form 5500 filing, ranking in the 72nd 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.
- #15,536 in Professional & Technical Services (21,562 peers)
Coverage in Washington
Stb Retirement Savings Plan covers 276 participants in Washington, about 19% of the average Washington filer (state average ~1,476 per filing). Assets: $15M.
- #15,536
- in Professional & Technical Services (21,562 peers)
- -8.8%
- assets change YoY
The plan reported a net loss of $1M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Stb Retirement Savings Plan's outsized position by total assets
Stb Retirement Savings Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$14,942,328 Top 28% higher than 72% of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Stb Retirement Savings 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. Stb Retirement Savings Plan sits mid-pack in the medium band (276 participants).
DOL schedule card
Filing strip 910402210 · Seattle-Tacoma Box Company PY 2022 · 401(k)
Stb Retirement Savings Plan · $15M · 276 · 72nd
- EIN $15M
- RANK 276
- PHOTO 72nd
- IND 401(k)
- EOY near K Solv 401(k) Plan
- 5500 ind #15536
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 →
Stb Retirement Savings Plan in the asset neighbourhood
Washington filing particulars
| Total Assets (Beginning of Year) | $16M |
|---|---|
| Net Assets (End of Year) | $15M |
| Net Income | -$1M |
| Employer EIN | 910402210 |
| Plan Effective Date | 2004-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Seattle-Tacoma Box Company)
Sponsor-wide plan assets over time
All Seattle-Tacoma Box Company plans reported in each filing year
- Latest sponsor-wide plan assets
- $23M 50.919053577193594% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 276 | $15M |
| 2023 | 1 | 205 | $19M |
| 2024 | 1 | 217 | $23M |
Nearby 401(k) Plans in Washington
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- The Boeing Company 401(k) Retirement Plan $63.5B · 118,434
- Microsoft Corporation Savings Plus 401(k) Plan $39.6B · 109,797
- Costco 401(k) Retirement Plan $25.9B · 181,505
- Amazon 401(k) Plan $17.7B · 1,230,308
- T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust $7.3B · 75,797
Stb Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount
Outside Washington, the nearest 401(k) by assets is K Solv 401(k) Plan in TX ($15M); by covered participants it is Little Friends, Inc. Profit Sharing Plan in IL (276 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($15M here).
- K Solv 401(k) Plan (TX) $15M · 258
- Reed Automotive Group, Inc. 401(k) Retirement Plan (MO) $15M · 273
- Martin Snow 401(k) Savings Plan (GA) $15M · 42
- Edison Radiology Group, P.a. Employees' Profit Sharing Plan (NJ) $15M · 17
Similar participant headcount
Nearest other-state filings by covered participants (276 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.