Resonetics, Llc 401(k) Plan: Login, Facts & Contact Information

Resonetics, Llc 401(k) Plan Facts

Plan name
RESONETICS 401K PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
RESONETICS, LLC
Participants
1,181 (1,100 active employees)
Former employees with a balance
216
Plan assets
$60,226,859 at Dec 31, 2024
Average account balance
$48,143 across 1,251 accounts
Employer contributions
$4,046,597 in plan year 2024 (32% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Nov 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 24, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $12.9 million went into the plan in contributions, $4.05 million of it from the employer (32%).
  • $4.73 million was paid out to participants.
  • Investment and other income added $6.66 million.
  • Administrative expenses were $64,952, about $52 per account.

How the Resonetics, Llc 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019305$13.1 million$875,345$1.30 million
2020338$19.1 million$1.35 million$2.00 million
2021678$31.4 million$2.47 million$4.00 million
20221,112$34.2 million$3.39 million$1.74 million
20231,150$45.5 million$3.69 million$6.14 million
20241,181$60.2 million$4.05 million$4.73 million

Resonetics, Llc 401(k) Contact Information

Phone
603-886-6772
Mailing address
26 WHIPPLE STREET, NASHUA NH 03060
Plan sponsor
RESONETICS, LLC
Employer identification number (EIN)
26-0869685
Plan number
001

Questions about the Resonetics, Llc 401(k)

Does Resonetics, Llc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $4.05 million, 32% of all contributions.

Does the Resonetics, Llc 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Resonetics, Llc 401(k) plan?

1,181 participants at the start of plan year 2024, 1,100 of them active employees, and 216 former employees who still had money in the plan.

What is the average 401(k) balance at Resonetics, Llc?

About $48,143 per account: $60.2 million in plan assets across 1,251 accounts with a balance at the end of plan year 2024.

Who manages the Resonetics, Llc 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Resonetics, Llc. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits 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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