Plexus Corp. 401(k) Plan: Login, Facts & Contact Information

Plexus Corp. 401(k) Plan Facts

Plan name
PLEXUS CORP. 401(K) RETIREMENT PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
PLEXUS CORP.
Participants
4,818 (2,714 active employees)
Former employees with a balance
1,445
Plan assets
$606,090,256 at Dec 31, 2024
Average account balance
$145,067 across 4,178 accounts
Employer contributions
$9,898,302 in plan year 2024 (26% of all contributions)
Recordkeeper
T Rowe Price Rps Inc
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 Jul 15, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $37.5 million went into the plan in contributions, $9.90 million of it from the employer (26%).
  • $55.9 million was paid out to participants.
  • Investment and other income added $82.4 million.
  • Administrative expenses were $460,329, about $110 per account.

How the Plexus Corp. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20194,750$418.8 million$9.67 million$25.6 million
20205,288$480.4 million$10.0 million$35.7 million
20215,078$550.3 million$9.38 million$37.9 million
20224,838$462.6 million$9.67 million$32.9 million
20234,856$542.6 million$10.2 million$42.0 million
20244,818$606.1 million$9.90 million$55.9 million

Plexus Corp. 401(k) Contact Information

Phone
920-969-6000
Mailing address
ONE PLEXUS WAY, NEENAH WI 549563045
Plan sponsor
PLEXUS CORP.
Employer identification number (EIN)
39-1344447
Plan number
001

Questions about the Plexus Corp. 401(k)

Does Plexus Corp contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $9.90 million, 26% of all contributions.

Does the Plexus Corp 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Plexus Corp 401(k) plan?

4,818 participants at the start of plan year 2024, 2,714 of them active employees, and 1,445 former employees who still had money in the plan.

What is the average 401(k) balance at Plexus Corp?

About $145,067 per account: $606.1 million in plan assets across 4,178 accounts with a balance at the end of plan year 2024.

Who manages the Plexus Corp 401(k) accounts?

T. Rowe Price (listed on the filing as T ROWE PRICE RPS INC) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Plexus Corp. How do I access my 401(k)?

Your account stays with T. Rowe Price 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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