401(k)
2024 plan-year 401(k) DOL Form 5500

Armstrong & Teasdale 401(k) Plan

ERISA Form 5500 plan record drawn from DOL EBSA — verify with linked source filings below.

Sponsored by Armstrong Teasdale LLP · Missouri · Professional & Technical Services

What the 2023 filing shows

Armstrong & Teasdale 401(k) Plan holds $189M for 629 participants — about $300,390 per participant, up 19.6% over the 2024 plan year.

$189M
total plan assets (2024 EOY)
629
covered participants
$300,390
avg assets per participant
+19.6%
assets growth YoY
Total Assets (2023)
$189M
Participants
629
State
Industry
Professional & Technical Services

What the Filing Says About Armstrong & Teasdale 401(k) Plan

Armstrong & Teasdale 401(k) Plan is a 401(k) retirement plan sponsored by Armstrong Teasdale LLP, headquartered in Missouri. As of the 2024 Form 5500 filing, the plan reports $189M in total end-of-year assets and covers 629 participants across the Professional & Technical Services industry. The sponsor's EIN on file with the U.S. Department of Labor is 431274026, and the plan has been effective since 1994-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $158M at the beginning of 2024 to $189M at year-end — a gain of 19.6%. Net assets (after liabilities) closed the year at $189M, with reported net income of $31M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

Financial Summary (2023)

Total Assets (Beginning of Year)$158M
Total Assets (End of Year)$189M
Net Assets (End of Year)$189M
Net Income$31M
Plan Type401(k)
Employer EIN431274026
Plan Effective Date1994-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Armstrong Teasdale LLP)

Year Plans Participants Total Assets
2022 2 764 $215M
2023 2 858 $255M
2024 2 873 $294M

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Frequently Asked Questions

How much money is in the Armstrong & Teasdale 401(k) Plan?
As of the 2024 Form 5500 filing, Armstrong & Teasdale 401(k) Plan holds $189M in total assets with 629 participants. It is sponsored by Armstrong Teasdale LLP.
What type of plan is Armstrong & Teasdale 401(k) Plan?
Armstrong & Teasdale 401(k) Plan is a 401(k) plan. It has been effective since 1994-01-01. The plan is filed with the U.S. Department of Labor under EIN 431274026.
Who sponsors the Armstrong & Teasdale 401(k) Plan?
Armstrong & Teasdale 401(k) Plan is sponsored by Armstrong Teasdale LLP, located in Missouri. The sponsor's EIN is 431274026 and the plan operates in the Professional & Technical Services industry.
How did Armstrong & Teasdale 401(k) Plan perform in 2024?
Armstrong & Teasdale 401(k) Plan grew by 19.6% during 2024, moving from $158M to $189M in total assets. Net income was $31M.
Where can I find official filings for Armstrong & Teasdale 401(k) Plan?
Official Form 5500 filings for Armstrong & Teasdale 401(k) Plan are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 431274026 or plan name at efast.dol.gov.
How does Armstrong & Teasdale 401(k) Plan compare to other plans?
You can compare Armstrong & Teasdale 401(k) Plan against other 401(k) plans on the plan type page, or view plans in Missouri on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.

Explore PlainRetire

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 431274026.

Reference: IRS Publication 560 — Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B — Distributions from IRAs, RMD rules under SECURE Act 2.0.

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