Alarm.COM Holdings, Inc. 401(k) Plan
What public Form 5500 filings show about the Alarm.COM Holdings, Inc. 401(k) plan — and how to find and check your own account.
The Alarm.COM Holdings, Inc. 401(k) on its latest Form 5500
Alarm.COM Holdings, Inc. (EIN 26-4247032) reports ALARM.COM 401(K) PLAN on its most recent Form 5500, with $252.6M in plan assets across 1,878 active participants. Form 5500 is the annual report employers file with the U.S. Department of Labor for their retirement plans, and it’s public.
See the full Alarm.COM Holdings, Inc. filing — schedules, fees, and providers.
Who runs the Alarm.COM Holdings, Inc. 401(k)?
The plan’s recordkeeper — the firm that runs the website and statements where you check your balance, change contributions, and manage your account — is Principal, based on the plan’s Schedule C service-provider disclosure. That’s the login you use for your Alarm.COM Holdings, Inc. 401(k).
Other service providers named on the filing (investment managers, trustees, auditors — not necessarily the recordkeeper): GALLAGHER FIDUCIARY ADVI.
How to check your Alarm.COM Holdings, Inc. 401(k)
- Log in to Principal’s participant portal (the site on your statements).
- Ask Alarm.COM Holdings, Inc. HR or benefits for the recordkeeper name and enrollment link.
- Left the company? Your balance stays in the plan until you roll it over — see how to find a lost 401(k).

