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

Cytel Inc. 401(k) Plan Facts

Plan name
CYTEL INC. RETIREMENT PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
CYTEL INC.
Participants
910 (518 active employees)
Former employees with a balance
311
Plan assets
$74,991,957 at Dec 31, 2024
Average account balance
$92,241 across 813 accounts
Employer contributions
$3,016,099 in plan year 2024 (25% of all contributions)
Recordkeeper
Empower Annuity Insurance Company
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
May 1, 1987
✓ 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 11, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $11.9 million went into the plan in contributions, $3.02 million of it from the employer (25%).
  • $7.43 million was paid out to participants.
  • Investment and other income added $9.01 million.
  • Administrative expenses were $216,478, about $266 per account.

How the Cytel Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019285$21.7 million$1.48 million$2.74 million
2020449$39.8 million$2.09 million$3.56 million
2021606$50.1 million$2.49 million$5.48 million
2022773$48.5 million$2.85 million$6.37 million
2023842$61.8 million$2.98 million$7.49 million
2024910$75.0 million$3.02 million$7.43 million

Cytel Inc. 401(k) Contact Information

Phone
410-591-4427
Mailing address
675 MASSACHUSETTS AVE, CAMBRIDGE MA 02139
Plan sponsor
CYTEL INC.
Employer identification number (EIN)
04-2955676
Plan number
001

Questions about the Cytel Inc. 401(k)

Does Cytel Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $3.02 million, 25% of all contributions.

Does the Cytel Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Cytel Inc 401(k) plan?

910 participants at the start of plan year 2024, 518 of them active employees, and 311 former employees who still had money in the plan.

What is the average 401(k) balance at Cytel Inc?

About $92,241 per account: $75.0 million in plan assets across 813 accounts with a balance at the end of plan year 2024.

Who manages the Cytel Inc 401(k) accounts?

Empower (listed on the filing as EMPOWER ANNUITY INSURANCE COMPANY) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Cytel Inc. How do I access my 401(k)?

Your account stays with Empower 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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