Cambridge Savings Bank 401(k) Plan: Login, Facts & Contact Information

Cambridge Savings Bank 401(k) Plan Facts

Plan name
CAMBRIDGE SAVINGS BANK EMPLOYEE WELFARE SAVINGS PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
CAMBRIDGE SAVINGS BANK
Participants
641 (475 active employees)
Former employees with a balance
195
Plan assets
$117,236,905 at Dec 31, 2024
Average account balance
$176,031 across 666 accounts
Employer contributions
$3,967,172 in plan year 2024 (40% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Sep 4, 1991
✓ 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 15, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $10.0 million went into the plan in contributions, $3.97 million of it from the employer (40%).
  • $11.0 million was paid out to participants.
  • Investment and other income added $15.2 million.
  • Administrative expenses were $45,696, about $69 per account.

How the Cambridge Savings Bank 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019498$79.0 million$2.22 million$3.61 million
2020526$91.0 million$2.74 million$5.87 million
2021559$102.8 million$2.97 million$8.56 million
2022585$88.1 million$3.23 million$5.00 million
2023628$103.1 million$3.83 million$9.64 million
2024641$117.2 million$3.97 million$11.0 million

Cambridge Savings Bank 401(k) Contact Information

Phone
617-864-8700
Mailing address
1374 MASSACHUSETTS AVENUE, CAMBRIDGE MA 02138
Plan sponsor
CAMBRIDGE SAVINGS BANK
Employer identification number (EIN)
04-1145100
Plan number
002

Questions about the Cambridge Savings Bank 401(k)

Does Cambridge Savings Bank contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $3.97 million, 40% of all contributions.

Does the Cambridge Savings Bank 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Cambridge Savings Bank 401(k) plan?

641 participants at the start of plan year 2024, 475 of them active employees, and 195 former employees who still had money in the plan.

What is the average 401(k) balance at Cambridge Savings Bank?

About $176,031 per account: $117.2 million in plan assets across 666 accounts with a balance at the end of plan year 2024.

Who manages the Cambridge Savings Bank 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 Cambridge Savings Bank. 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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