Inhibrx Biosciences 401(k) match, vesting and fees

Plan year 2024 filingInhibrx Biosciences, Inc 401(k) Plan · Plan 001 · EIN 99-0613523Updated Oct 2026

What Inhibrx Biosciences' 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $1.5M in employer contributions, about $7,330 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$96,522
Average account balance
209
Participants (end of year)
$19.7M
Plan assets (end of year)
0.13%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperFidelity Investments InstitutionalSchedule C ↗
Independent auditorCbiz Cpas P.C. (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2024 medians for 8,908 defined-contribution plans in manufacturing with 100 to 499 participants.

Inhibrx Biosciences: employer contribution per participant$7,330
Peer median$1,847
Inhibrx Biosciences: average balance$96,522
Peer median$65,512
Inhibrx Biosciences: admin expenses ÷ assets0.13%
Peer median0.32%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets were $19.7M at the end of plan year 2024.

$19.7M2024
End-of-year figures from each plan year's Form 5500 filing for the Inhibrx Biosciences plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2024209$19.7M$1.5M$7,3300.13%Not publishedForm 5500 ↗

Common questions

Does Inhibrx Biosciences match 401(k) contributions?

The match terms for the Inhibrx Biosciences, Inc 401(k) Plan have not been published from its filing yet. The plan year 2024 filing reports $1.5M in employer contributions, about $7,330 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Inhibrx Biosciences 401(k) match vested?

The vesting schedule for the Inhibrx Biosciences, Inc 401(k) Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Inhibrx Biosciences 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Fidelity Investments Institutional. The plan administrator is Inhibrx Biosciences, Inc..

I left Inhibrx Biosciences. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Inhibrx Biosciences, Inc., (858) 795-4296) or the recordkeeper, Fidelity Investments Institutional. The Inhibrx Biosciences old 401(k) page lists the contacts from every plan filing. Find an old Inhibrx Biosciences 401(k)

Data from the public Form 5500 annual reports Inhibrx Biosciences filed with the U.S. Department of Labor (plan years 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Inhibrx Biosciences. Not financial advice. Report a correction · Methodology