Karyopharm Therapeutics 401(k) match, vesting and fees

Plan year 2024 filingKaryopharm Therapeutics Inc. 401(k) Plan · Plan 001 · EIN 26-3931704Updated Oct 2026

What Karyopharm Therapeutics' 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 $2.5M in employer contributions, about $5,192 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$114,932
Average account balance
503
Participants (end of year)
$55.6M
Plan assets (end of year)
0.12%
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 ↗
Late participant contributionsReported on the filingSchedule H ↗

How the plan compares

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

Karyopharm Therapeutics: employer contribution per participant$5,192
Peer median$1,847
Karyopharm Therapeutics: average balance$114,932
Peer median$65,512
Karyopharm Therapeutics: admin expenses ÷ assets0.12%
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 $39M at the end of plan year 2021 to $55.6M at the end of plan year 2024.

$39M2021$36M2022$46.1M2023$55.6M2024
End-of-year figures from each plan year's Form 5500 filing for the Karyopharm Therapeutics plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2024503$55.6M$2.5M$5,1920.12%Not publishedForm 5500 ↗
2023546$46.1M$3.2M$6,1450.12%Not publishedForm 5500 ↗
2022597$36M$3.1M$5,6530.14%Not publishedForm 5500 ↗
2021558$39M$2.9M$5,5910.20%Not publishedForm 5500 ↗

Common questions

Does Karyopharm Therapeutics match 401(k) contributions?

The match terms for the Karyopharm Therapeutics Inc. 401(k) Plan have not been published from its filing yet. The plan year 2024 filing reports $2.5M in employer contributions, about $5,192 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Karyopharm Therapeutics 401(k) match vested?

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

Who manages the Karyopharm Therapeutics 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Fidelity Investments Institutional. The plan administrator is Karyopharm Therapeutics Inc..

I left Karyopharm Therapeutics. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Karyopharm Therapeutics Inc., (617) 658-0600) or the recordkeeper, Fidelity Investments Institutional. The Karyopharm Therapeutics old 401(k) page lists the contacts from every plan filing. Find an old Karyopharm Therapeutics 401(k)

Data from the public Form 5500 annual reports Karyopharm Therapeutics 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 Karyopharm Therapeutics. Not financial advice. Report a correction · Methodology