Phathom Pharmaceuticals 401(k) match, vesting and fees

Plan year 2024 filingPhathom Pharmaceuticals, Inc. 401(k) Plan · Plan 001 · EIN 82-4151574Updated Oct 2026

What Phathom Pharmaceuticals' 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 $5.8M in employer contributions, about $11,931 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$55,749
Average account balance
489
Participants (end of year)
$27.1M
Plan assets (end of year)
0.03%
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.

RecordkeeperThe Vanguard Group, Inc.Schedule C ↗
Independent auditorLee Cpa Audit Group (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.

Phathom Pharmaceuticals: employer contribution per participant$11,931
Peer median$1,847
Phathom Pharmaceuticals: average balance$55,749
Peer median$65,512
Phathom Pharmaceuticals: admin expenses ÷ assets0.03%
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 went from $3.4M at the end of plan year 2021 to $27.1M at the end of plan year 2024.

$3.4M2021$5.8M2022$11.7M2023$27.1M2024
End-of-year figures from each plan year's Form 5500 filing for the Phathom Pharmaceuticals plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2024489$27.1M$5.8M$11,9310.03%Not publishedForm 5500 ↗
2023320$11.7M$1.6M$5,068<0.01%Not published5500-SF ↗
2022120$5.8M$1.1M$9,5390.02%Not published5500-SF ↗
202176$3.4M$902K$12,1900.02%Not published5500-SF ↗

Common questions

Does Phathom Pharmaceuticals match 401(k) contributions?

The match terms for the Phathom Pharmaceuticals, Inc. 401(k) Plan have not been published from its filing yet. The plan year 2024 filing reports $5.8M in employer contributions, about $11,931 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Phathom Pharmaceuticals 401(k) match vested?

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

Who manages the Phathom Pharmaceuticals 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is The Vanguard Group, Inc.. The plan administrator is Phathom Pharmaceuticals, Inc..

I left Phathom Pharmaceuticals. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Phathom Pharmaceuticals, Inc., (908) 967-3324) or the recordkeeper, The Vanguard Group, Inc.. The Phathom Pharmaceuticals old 401(k) page lists the contacts from every plan filing. Find an old Phathom Pharmaceuticals 401(k)

Data from the public Form 5500 annual reports Phathom Pharmaceuticals filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 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 Phathom Pharmaceuticals. Not financial advice. Report a correction · Methodology