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

Amphenol Thermometrics, Inc. 401(k) Plan Facts

Plan name
AMPHENOL THERMOMETRICS, INC. EMPLOYEE SAVINGS/401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
AMPHENOL THERMOMETRICS, INC.
Participants
473 (356 active employees)
Former employees with a balance
105
Plan assets
$59,732,053 at Dec 31, 2024
Average account balance
$131,279 across 455 accounts
Employer contributions
$1,751,389 in plan year 2024 (35% of all contributions)
Recordkeeper
Fidelity Invst. Inst. Oper. Co. Llc
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Apr 1, 2014
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

  • $4.95 million went into the plan in contributions, $1.75 million of it from the employer (35%).
  • $3.78 million was paid out to participants.
  • Investment and other income added $7.73 million.
  • Administrative expenses were $55,522, about $122 per account.

How the Amphenol Thermometrics, Inc. 401(k) changed, 20192024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019417$32.5 million$1.88 million$2.37 million
2020415$40.8 million$1.74 million$2.36 million
2021395$49.6 million$1.77 million$2.20 million
2022424$41.4 million$1.85 million$4.56 million
2023453$50.9 million$2.05 million$3.48 million
2024473$59.7 million$1.75 million$3.78 million

Amphenol Thermometrics, Inc. 401(k) Contact Information

Phone
203-265-8900
Mailing address
967 WINDFALL ROAD, ST. MARYS PA 15857
Plan sponsor
AMPHENOL THERMOMETRICS, INC.
Employer identification number (EIN)
25-0590780
Plan number
002

Questions about the Amphenol Thermometrics, Inc. 401(k)

Does Amphenol Thermometrics, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $1.75 million, 35% of all contributions.

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

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

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

473 participants at the start of plan year 2024, 356 of them active employees, and 105 former employees who still had money in the plan.

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

About $131,279 per account: $59.7 million in plan assets across 455 accounts with a balance at the end of plan year 2024.

Who manages the Amphenol Thermometrics, Inc 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVST. INST. OPER. CO. LLC) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Amphenol Thermometrics, Inc. 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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