Sennheiser Electronic Corporation 401(k) Plan: Login, Facts & Contact Information

Sennheiser Electronic Corporation 401(k) Plan Facts

Plan name
SENNHEISER ELECTRONIC CORPORATION 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
SENNHEISER ELECTRONIC CORPORATION
Participants
173 (117 active employees)
Former employees with a balance
65
Plan assets
$26,486,983 at Dec 31, 2024
Average account balance
$146,337 across 181 accounts
Employer contributions
$798,520 in plan year 2024 (38% of all contributions)
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1988
✓ 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 2, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $2.10 million went into the plan in contributions, $798,520 of it from the employer (38%).
  • $2.02 million was paid out to participants.
  • Investment and other income added $3.11 million.
  • Administrative expenses were $1,500, about $8 per account.

How the Sennheiser Electronic Corporation 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019190$27.7 million$1.00 million$2.34 million
2020189$31.7 million$675,846$1.56 million
2021186$34.2 million$725,183$3.53 million
2022173$21.2 million$654,773$2.93 million
2023157$23.3 million$803,064$3.47 million
2024173$26.5 million$798,520$2.02 million

Sennheiser Electronic Corporation 401(k) Contact Information

Phone
860-434-9190
Mailing address
ONE ENTERPRISE DRIVE, OLD LYME CT 06371
Plan sponsor
SENNHEISER ELECTRONIC CORPORATION
Employer identification number (EIN)
13-1988840
Plan number
003

Questions about the Sennheiser Electronic Corporation 401(k)

Does Sennheiser Electronic Corporation contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $798,520, 38% of all contributions.

Does the Sennheiser Electronic Corporation 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Sennheiser Electronic Corporation 401(k) plan?

173 participants at the start of plan year 2024, 117 of them active employees, and 65 former employees who still had money in the plan.

What is the average 401(k) balance at Sennheiser Electronic Corporation?

About $146,337 per account: $26.5 million in plan assets across 181 accounts with a balance at the end of plan year 2024.

Who manages the Sennheiser Electronic Corporation 401(k) accounts?

PENSERV, INC. is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Sennheiser Electronic Corporation. How do I access my 401(k)?

Your account stays with PENSERV, INC. 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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