Mizuho Orthopedic Systems, Inc 401(k) Plan: Login, Facts & Contact Information

Mizuho Orthopedic Systems, Inc 401(k) Plan Facts

Plan name
MIZUHO OSI 401(K) SAVINGS PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
MIZUHO ORTHOPEDIC SYSTEMS, INC
Participants
592 (509 active employees)
Former employees with a balance
97
Plan assets
$78,031,687 at Dec 31, 2024
Average account balance
$130,053 across 600 accounts
Employer contributions
$1,573,667 in plan year 2024 (20% of all contributions)
Recordkeeper
Empower Annuity Insurance Company
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1996
✓ 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 Oct 7, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $7.81 million went into the plan in contributions, $1.57 million of it from the employer (20%).
  • $7.06 million was paid out to participants.
  • Investment and other income added $9.47 million.
  • Administrative expenses were $22,084, about $37 per account.

How the Mizuho Orthopedic Systems, Inc 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019441$43.5 million$1.01 million$3.39 million
2020467$53.7 million$1.25 million$2.13 million
2021510$63.5 million$1.34 million$4.46 million
2022508$55.9 million$1.36 million$3.48 million
2023575$67.9 million$1.49 million$4.77 million
2024592$78.0 million$1.57 million$7.06 million

Mizuho Orthopedic Systems, Inc 401(k) Contact Information

Phone
510-476-8104
Mailing address
30031 AHERN AVE., UNION CITY CA 94587
Plan sponsor
MIZUHO ORTHOPEDIC SYSTEMS, INC
Employer identification number (EIN)
94-2405390
Plan number
001

Questions about the Mizuho Orthopedic Systems, Inc 401(k)

Does Mizuho Orthopedic Systems, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $1.57 million, 20% of all contributions.

Does the Mizuho Orthopedic Systems, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Mizuho Orthopedic Systems, Inc 401(k) plan?

592 participants at the start of plan year 2024, 509 of them active employees, and 97 former employees who still had money in the plan.

What is the average 401(k) balance at Mizuho Orthopedic Systems, Inc?

About $130,053 per account: $78.0 million in plan assets across 600 accounts with a balance at the end of plan year 2024.

Who manages the Mizuho Orthopedic Systems, Inc 401(k) accounts?

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

I no longer work at Mizuho Orthopedic Systems, Inc. How do I access my 401(k)?

Your account stays with Empower 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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