Stupp Bros., Inc. 401(k) Plan: Login, Facts & Contact Information

Stupp Bros., Inc. 401(k) Plan Facts

Plan name
STUPP BROS., INC. 401(K) AND EMPLOYEE THRIFT PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
STUPP BROS., INC.
Participants
503 (345 active employees)
Former employees with a balance
150
Plan assets
$46,052,953 at Dec 31, 2024
Average account balance
$95,744 across 481 accounts
Employer contributions
$955,939 in plan year 2024 (30% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1991
✓ Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments— Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Sep 24, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $3.24 million went into the plan in contributions, $955,939 of it from the employer (30%).
  • $6.88 million was paid out to participants.
  • Investment and other income added $5.81 million.
  • Administrative expenses were $106,390, about $221 per account.

How the Stupp Bros., Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019797$56.8 million$1.70 million$1.42 million
20201,109$57.5 million$1.18 million$11.7 million
2021814$58.0 million$1.17 million$9.04 million
2022626$46.7 million$1.07 million$5.67 million
2023547$44.0 million$1.04 million$12.8 million
2024503$46.1 million$955,939$6.88 million

Stupp Bros., Inc. 401(k) Contact Information

Phone
314-544-7504
Mailing address
3800 WEBER RD, SAINT LOUIS MO 63125
Plan sponsor
STUPP BROS., INC.
Employer identification number (EIN)
43-0542490
Plan number
004

Questions about the Stupp Bros., Inc. 401(k)

Does Stupp Bros., Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $955,939, 30% of all contributions.

Does the Stupp Bros., Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Stupp Bros., Inc 401(k) plan?

503 participants at the start of plan year 2024, 345 of them active employees, and 150 former employees who still had money in the plan.

What is the average 401(k) balance at Stupp Bros., Inc?

About $95,744 per account: $46.1 million in plan assets across 481 accounts with a balance at the end of plan year 2024.

Who manages the Stupp Bros., Inc 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Stupp Bros., Inc. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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