Coast Aluminum, Inc. 401(k) Plan: Login, Facts & Contact Information

Coast Aluminum, Inc. 401(k) Plan Facts

Plan name
COAST ALUMINUM RETIREMENT PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
COAST ALUMINUM, INC.
Participants
638 (594 active employees)
Former employees with a balance
50
Plan assets
$19,366,022 at Dec 31, 2024
Average account balance
$30,498 across 635 accounts
Recordkeeper
Principal Life Insurance Company
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1989
✓ 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 Nov 25, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $1.78 million went into the plan in contributions.
  • $1.81 million was paid out to participants.
  • Investment and other income added $1.55 million.
  • Administrative expenses were $122,968, about $194 per account.

How the Coast Aluminum, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019586$12.8 million$216,691$1.26 million
2020622$14.1 million$214,068$1.83 million
2021614$15.5 million—$1.37 million
2022726$15.6 million$1.30 million$1.21 million
2023870$18.0 million$12,167$1.28 million
2024638$19.4 million—$1.81 million

Coast Aluminum, Inc. 401(k) Contact Information

Phone
562-946-6061
Mailing address
PO BOX 2144 10628 FULTON WELLS AVENUE, SANTA FE SPRINGS CA 90670
Plan sponsor
COAST ALUMINUM, INC.
Employer identification number (EIN)
94-3146270
Plan number
001

Questions about the Coast Aluminum, Inc. 401(k)

Does Coast Aluminum, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement.

Does the Coast Aluminum, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Coast Aluminum, Inc 401(k) plan?

638 participants at the start of plan year 2024, 594 of them active employees, and 50 former employees who still had money in the plan.

What is the average 401(k) balance at Coast Aluminum, Inc?

About $30,498 per account: $19.4 million in plan assets across 635 accounts with a balance at the end of plan year 2024.

Who manages the Coast Aluminum, Inc 401(k) accounts?

Principal (listed on the filing as PRINCIPAL LIFE INSURANCE COMPANY) is the plan's recordkeeper, which is where participants log in to see their balance.

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

Your account stays with Principal 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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