How big is Stellular Bio, Inc.'s plan?

Stellular Bio, Inc.'s plan reported $2.0M in assets and 11 participants for 2024.

Original filing (PDF)20250909103105NAL0012527475001

Stellular Bio, Inc.

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

Form 5500-SF

FILING_RECEIVED

Stellular Bio, Inc. 401(k) Profit Sharing Plan

401(k) retirement plan · Stellular Bio, Inc.'s Stellular Bio, Inc. 401(k) Profit Sharing Plan held $2.0M in plan assets for 11 participants in 2024.

Active participants

Accounts w/ balance

Plan assets (EOY)

$2.0M

Net assets (EOY)

$2.0M

People on this filing

Diana Cassidy signed Stellular Bio, Inc.'s 2024 Form 5500 as plan administrator.

Diana Cassidy — 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

Stellular Bio, Inc.'s EIN is 46-4633412.

EIN 46-4633412

Plan number 001

Plan year 2024

ACK ID 20250909103105NAL0012527475001

Official Form 5500 document

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

Download the official 2024 Form 5500 (PDF)

Plan features

Stellular Bio, Inc.'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 STELLULAR BIO, INC..

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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.
High account-holder ratio — balance-holders per active participant in the top 15% of peers (98th percentile).

Plan sponsor

Name

STELLULAR BIO, INC.

EIN

all filings

Address

65 GROVE STREET · SUITE 303 · WATERTOWN, MA · 02472

Phone

(617) 515-8158

Industry

Professional & Technical Services

Plan administrator