How big is Exonbio LLC's plan?

Exonbio LLC's plan reported $125K in assets and 4 participants for 2025.

Original filing (PDF)20260522110334NAL0002297603001

Exonbio LLC

Name: Exonbio LLC — Exonbio LLC Cash Balance Plan, Form 5500 (2025)
Creator: Exonbio LLC
License: https://www.usa.gov/government-works

Form 5500-SF

FILING_RECEIVED

Exonbio LLC Cash Balance Plan

Defined-benefit pension plan · Exonbio LLC's Exonbio LLC Cash Balance Plan held $125K in plan assets for 4 participants in 2025.

Active participants

Accounts w/ balance

—

Plan assets (EOY)

$125K

Net assets (EOY)

$125K

People on this filing

Kunhua CHEN signed Exonbio LLC's 2025 Form 5500 as plan administrator.

Kunhua CHEN — Plan Administrator — Form 5500 signer

Get verified email & phone for these signers

Signer names are public record from the Form 5500 e-signature.

Plan identifiers

Exonbio LLC's EIN is 87-1996802.

EIN 87-1996802

Plan number 002

Plan year 2025

ACK ID 20260522110334NAL0002297603001

Official Form 5500 document

Download the official 2025 Form 5500 (PDF) for Exonbio LLC from the U.S. Department of Labor's EFAST2 system.

Download the official 2025 Form 5500 (PDF)

Plan features

Exonbio LLC's plan includes a cash-balance formula, a frozen benefit (no new accruals).

Decision-maker contacts

One unlock reveals every key decision-maker — plan signer, CFO, HR & Benefits — with verified email + LinkedIn for EXONBIO LLC.

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Plan health score

Top-tier plan health

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool. Based on 50% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

n/a

Vendor & structure

Knocking points off

Plan is frozen (1I) — no new benefit accrual.

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.
Plan health not scored — no comparable participation/contribution data.

Plan sponsor

Name

EXONBIO LLC

EIN

all filings

Address

5950 PRIESTLY DRIVE · SUITE 101 · CARLSBAD, CA · 92008

Phone

(858) 361-7135

Industry

Professional & Technical Services

Plan administrator

Same as plan sponsor.

Plan characteristics

Plan number

002

Plan year

2025

Plan year begin

2025-01-01

Tax period

2025-12-31

Filed

2026-05-22

Pension benefit codes

1C · Cash balance or similar hybrid DB

1I · Frozen plan — no new benefit accrual

3D · Pre-approved plan (master / prototype / VS)

Audit & trust (Schedule H)

Auditor

—

Trustee / custodian

—

Trustee phone

—

Small plan (5500-SF) — Schedule H data not available.

Service providers (Schedule C)

Small plans don't disclose service providers

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