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

Gigamon, Inc. 401(k) Plan Facts

Plan name
GIGAMON, INC. 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
GIGAMON, INC.
Participants
905 (488 active employees)
Former employees with a balance
386
Plan assets
$160,105,670 at Dec 31, 2024
Average account balance
$185,737 across 862 accounts
Employer contributions
$3,342,036 in plan year 2024 (20% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Apr 1, 2006
✓ 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 13, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $16.8 million went into the plan in contributions, $3.34 million of it from the employer (20%).
  • $19.0 million was paid out to participants.
  • Investment and other income added $26.6 million.
  • Administrative expenses were $47,514, about $55 per account.

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

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019695$78.7 million$3.12 million$10.1 million
2020833$107.1 million$3.37 million$8.72 million
2021915$132.5 million$3.45 million$10.6 million
2022938$109.7 million$3.49 million$11.3 million
2023897$135.7 million$3.51 million$15.3 million
2024905$160.1 million$3.34 million$19.0 million

Gigamon, Inc. 401(k) Contact Information

Phone
408-831-4461
Mailing address
3300 OLCOTT STREET, SANTA CLARA CA 95051
Plan sponsor
GIGAMON, INC.
Employer identification number (EIN)
26-3963351
Plan number
001

Questions about the Gigamon, Inc. 401(k)

Does Gigamon, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $3.34 million, 20% of all contributions.

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

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

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

905 participants at the start of plan year 2024, 488 of them active employees, and 386 former employees who still had money in the plan.

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

About $185,737 per account: $160.1 million in plan assets across 862 accounts with a balance at the end of plan year 2024.

Who manages the Gigamon, Inc 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 Gigamon, 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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