How big is Firefly Bio's plan?

Firefly Bio's plan reported $976K in assets and 24 participants for 2024.

Original filing (PDF)20251008162232NAL0003426899001

Firefly Bio

Name: Firefly Bio — Firefly Bio 401(k) Plan, Form 5500 (2024)
Creator: Firefly Bio
License: https://www.usa.gov/government-works

Form 5500-SF

FILING_RECEIVED

Firefly Bio 401(k) Plan

401(k) retirement plan · Firefly Bio's Firefly Bio 401(k) Plan held $976K in plan assets for 24 participants in 2024.

Active participants

Accounts w/ balance

Plan assets (EOY)

$976K

Net assets (EOY)

$976K

People on this filing

Sunny Ryan signed Firefly Bio's 2024 Form 5500 as plan administrator.

Sunny Ryan — 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

Firefly Bio's EIN is 88-1225007.

EIN 88-1225007

Plan number 001

Plan year 2024

ACK ID 20251008162232NAL0003426899001

Official Form 5500 document

Download the official 2024 Form 5500 (PDF) for Firefly Bio from the U.S. Department of Labor's EFAST2 system.

Download the official 2024 Form 5500 (PDF)

Plan features

Firefly Bio's plan includes automatic enrollment, profit-sharing, a 401(k) feature, ERISA 404(c) participant direction, a default investment (QDIA).

Decision-maker contacts

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

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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 70% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

Vendor & structure

100

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.

Plan sponsor

Name

FIREFLY BIO

EIN

all filings

Address

2 TOWER PLACE 14A · SOUTH SAN FRANCISCO, CA · 94080

Phone

(650) 455-7031

Industry

Professional & Technical Services

Plan administrator

Same as plan sponsor.

Plan characteristics

Plan number

001

Plan year

2024

Plan year begin

2024-01-01

Tax period

2024-12-31

Filed

2025-10-08

Pension benefit codes

2S · Automatic enrollment

2E · Profit-sharing

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

2G · Total participant-directed accounts

2J · 401(k) feature

2K · 401(m) arrangement

2F · ERISA section 404(c)

2T · Default investment account (QDIA)

Service providers (Schedule C)

Small plans don't disclose service providers

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