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

Diodes, Inc. 401(k) Plan Facts

Plan name
DIODES INCORPORATED 401(K) PLAN AND TRUST
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
DIODES INCORPORATED
Participants
672 (420 active employees)
Former employees with a balance
172
Plan assets
$127,472,136 at Dec 31, 2024
Average account balance
$206,935 across 616 accounts
Employer contributions
$1,604,281 in plan year 2024 (20% of all contributions)
Recordkeeper
Empower Annuity Insurance Company O
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Sep 1, 1994
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 16, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $8.07 million went into the plan in contributions, $1.60 million of it from the employer (20%).
  • $18.0 million was paid out to participants.
  • Investment and other income added $17.3 million.
  • Administrative expenses were $135,387, about $220 per account.

How the Diodes, Inc. 401(k) changed, 20192024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019505$74.1 million$924,518$2.29 million
2020420$88.7 million$916,858$4.02 million
2021413$104.1 million$938,806$3.79 million
2022431$103.3 million$1.24 million$6.32 million
2023641$120.3 million$1.87 million$8.76 million
2024672$127.5 million$1.60 million$18.0 million

Diodes, Inc. 401(k) Contact Information

Phone
972-987-3958
Mailing address
4949 HEDGCOXE ROAD MAIL STOP 100, PLANO TX 75024
Plan sponsor
DIODES INCORPORATED
Employer identification number (EIN)
95-2039518
Plan number
001

Questions about the Diodes, Inc. 401(k)

Does Diodes, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $1.60 million, 20% of all contributions.

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

Yes. The plan reports automatic enrollment of eligible employees.

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

672 participants at the start of plan year 2024, 420 of them active employees, and 172 former employees who still had money in the plan.

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

About $206,935 per account: $127.5 million in plan assets across 616 accounts with a balance at the end of plan year 2024.

Who manages the Diodes, Inc 401(k) accounts?

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

I no longer work at Diodes, 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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