401(k) · DOL Form 5500 · 2023

Zerofox, Inc. 401(k) Plan

Data updated 2026-08-25

$15M
Total assets Small plan by assets: 327
Participants Below avg headcount: 67th
Percentile by assets National rank: $45,072
Avg per participant Low balance/head

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Official DOL plan name: Zerofox 401(k) Plan · Sponsored by Zerofox, Inc. · Maryland · Information & Media

$15M in assets, 327 participants

Zerofox, Inc.'s Zerofox 401(k) Plan reported $15M in total assets and 327 participants in its 2023 DOL Form 5500 filing, ranking in the 67th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

#1,583 in Information & Media (2,818 peers)

Coverage in Maryland

Zerofox 401(k) Plan covers 327 participants in Maryland, about 35% of the average Maryland filer (state average ~929 per filing). Assets: $15M.

#1,583
in Information & Media (2,818 peers): +52.6%
assets growth YoY

Zerofox 401(k) Plan's outsized position by total assets

Zerofox 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$14,738,526 Top 33% higher than 67% of 127,068 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Zerofox 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Zerofox 401(k) Plan sits mid-pack in the medium band (327 participants).

Micro (1-10) 35,718 filings (27%) Small (11-100) 27,089 filings (21%) Medium (101-1,000) 55,445 filings (43%) Large (1,001-10,000) 10,273 filings (8%) Mega (10,000+) 1,374 filings (1%)

Zerofox 401(k) Plan reported net income rose from $645K in the plan year 2022 filing to $5M in the plan year 2023 filing.
Zerofox 401(k) Plan end-of-year assets rose from $10M in the plan year 2022 filing to $15M in the plan year 2023 filing.
Zerofox 401(k) Plan reported participants rose from 258 in the plan year 2022 filing to 327 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 461796885 · Zerofox, Inc. PY 2023 · 401(k)

Zerofox 401(k) Plan · $15M · 327 · 67th

BOY $15M
SCH 327
EBSA 67th
PART 401(k)
TYPE near Crescent Bay Software 401(k) Plan
NET ind #1583

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Information & Media retirement plans → · Plans in Maryland →

End-of-year total assets ($M) among Zerofox 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Maryland filing particulars

Total Assets (Beginning of Year)	$10M
Net Assets (End of Year)	$15M
Net Income	$5M
Employer EIN	461796885
Plan Effective Date	2014-02-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Zerofox, Inc.)

Latest sponsor-wide plan assets: $22M 131.07394637752543% vs 2022; 2024 filing year

Year	Plans	Participants	Total Assets
2022	1	258	$10M
2023	1	327	$15M
2024	1	376	$22M

Nearby 401(k) Plans in Maryland

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Zerofox 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants

Lockheed Martin Corporation Salaried Savings Plan $47.3B · 91,511
Marriott Retirement Savings Plan $10.2B · 96,415
T. Rowe Price U.S. Retirement Program $4.4B · 6,292
Nfl Player Second Career Savings Plan $4.0B · 2,767
Sodexo 401 (K) Employees' Retirement Savings Plan and Trust $2.2B · 80,121

Compare Zerofox 401(k) Plan side-by-side with 3 peers →

Zerofox 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is Crescent Bay Software 401(k) Plan in CA ($15M); by covered participants it is Simpson University 403b Plan in CA (327 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($15M here).

Crescent Bay Software 401(k) Plan (CA) $15M · 4
Houston's, Inc. 401(k) Profit Sharing Plan (OR) $15M · 187
Advantus Corporation 401(k) Plan (FL) $15M · 164
Knight Industries & Associates, Inc. 401(k) Plan (MI) $15M · 258

Similar participant headcount

Nearest other-state filings by covered participants (327 participants); asset peers above are excluded.

Simpson University 403b Plan (CA) 327 · 0 off
Kuiken Brothers Company Inc., 401(k) Profit Sharing Plan & Trust (NJ) 327 · 0 off
Kidwell, Inc. 401(k) Profit Sharing Plan (NE) 327 · 0 off
Howard Energy Partners 401(k) Plan (TX) 327 · 0 off

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Zerofox 401(k) Plan assets move in 2023? ▼

Zerofox 401(k) Plan surged - up 52.6% during 2023, from $10M to $15M. Reported net income was $5M.

How have Zerofox, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Zerofox, Inc.'s sponsor-wide assets grew 131.1%, from $10M to $22M.

Which 401(k) plans are similar in size to Zerofox 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Crescent Bay Software 401(k) Plan in CA ($15M, 4 participants).

Which 401(k) plans cover a similar participant headcount to Zerofox 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by covered participants is Simpson University 403b Plan in CA (327 participants, $5M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 461796885.