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

Spirent Communications, Inc. 401(k) Plan Facts

Plan name
THE SPIRENT COMMUNICATIONS 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
SPIRENT COMMUNICATIONS, INC.
Participants
1,562 (799 active employees)
Former employees with a balance
573
Plan assets
$449,652,079 at Dec 31, 2024
Average account balance
$318,000 across 1,414 accounts
Employer contributions
$4,810,178 in plan year 2024 (26% of all contributions)
Recordkeeper
T Rowe Price Rps Inc
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2001
✓ 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 Jul 28, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $18.7 million went into the plan in contributions, $4.81 million of it from the employer (26%).
  • $32.3 million was paid out to participants.
  • Investment and other income added $60.7 million.
  • Administrative expenses were $129,301, about $91 per account.

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

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20191,592$315.6 million$3.82 million$23.1 million
20201,584$361.2 million$4.19 million$21.3 million
20211,571$409.5 million$4.62 million$23.7 million
20221,595$346.6 million$5.04 million$17.2 million
20231,629$402.7 million$5.11 million$27.3 million
20241,562$449.7 million$4.81 million$32.3 million

Spirent Communications, Inc. 401(k) Contact Information

Phone
301-444-1036
Mailing address
5280 CORPORATE DRIVE SUITE A100, FREDERICK MD 21703
Plan sponsor
SPIRENT COMMUNICATIONS, INC.
Employer identification number (EIN)
11-3572676
Plan number
001

Questions about the Spirent Communications, Inc. 401(k)

Does Spirent Communications, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $4.81 million, 26% of all contributions.

Does the Spirent Communications, Inc 401(k) have automatic enrollment?

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

How many people are in the Spirent Communications, Inc 401(k) plan?

1,562 participants at the start of plan year 2024, 799 of them active employees, and 573 former employees who still had money in the plan.

What is the average 401(k) balance at Spirent Communications, Inc?

About $318,000 per account: $449.7 million in plan assets across 1,414 accounts with a balance at the end of plan year 2024.

Who manages the Spirent Communications, Inc 401(k) accounts?

T. Rowe Price (listed on the filing as T ROWE PRICE RPS INC) is the plan's recordkeeper, which is where participants log in to see their balance.

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

Your account stays with T. Rowe Price 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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