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CellMosaic, Inc.

Healthcare · Biotech · Woburn, MA · Founded 2013

AqueaTether technologies for next-gen bioconjugates and antibody-drug conjugates

Post-money valuation
$30.1M
As of Oct 2024 · from CellMosaic Common Stock 1 · pre-money + amount raised, not a traded price
Total raised
$54,591
Across 1 round since 2024
Latest share price
$1.47
CellMosaic Common Stock 1 offering price

Financials

FY2022–FY2024 · from SEC filings · hover any figure for its source
$1.0M
$127K
2022
$816K
−$43K
2023
$961K
$27K
2024
RevenueNet income — beside revenue when positive, below the line when a loss
Metric
FY2022
FY2023
FY2024
Income statement
Revenue
$1,037,088
$815,754
$961,291
Cost of goods sold
$229,426
$212,133
$207,700
Gross margin
78%
74%
78%
Net income
$126,668
-$43,356
$27,320
Taxes paid
$0
$0
$0
Balance sheet
Cash
$311,802
$161,284
$208,495
Accounts receivable
$38,041
$11,809
$119,200
Total assets
$822,176
$537,443
$566,118
Short-term debt
$285,924
$152,682
$219,361
Long-term debt
$992,650
$882,080
$760,687
Total liabilities
$1,278,574
$1,034,762
$980,048
Other
Headcount
5
5

Figures as reported by the issuer in the filing shown on hover. Each year’s pill shows the assurance level of its filed statements — audited, reviewed (CPA review, less than an audit), or unaudited; no pill means the filing didn’t state one. Headcount is the filing’s point-in-time count, not a year-end average. Manually corrected figures are marked “Corrected”.

Valuation over rounds

Post-money = pre-money + amount raised · caps marked
$30.1M
post-money
CellMosaic Common Stock 1

A dashed amber step is a SAFE/note valuation cap — a conversion ceiling agreed for that instrument, not a priced valuation of the company. Steps are not comparable across bases.

Fundraising history

CellMosaic Common Stock 1ClosedReg CF · Common Equity · via StartEngine
Raised $54.6K / $1.2MInvestors 33Post-money $30.1M

Team

6 people
Yumei HuangFounder
Chief Executive Officer and Director

Dr. Huang, a serial entrepreneur and technology developer with 25+ years in chemistry and biology, founded CellMosaic in 2008 (as CellMosaic LLC) to innovate in bioconjugation and drug delivery. She developed proprietary advanced bioconjugation processes for services, manufacturing, and commercialization of many unique products like PerKit and Antibody Drug Conjugation (ADC) kits. She invented several key platform technologies (AqT, OxLink™, SxLink™, and NeIon™) and has led CellMosaic to receive multiple awards. She also co-founded Alta Scientific, one of the leading suppliers of reference standards. She has multiple peer-reviewed publications and has helped CellMosaic secure 15 patents. Previously, she worked at Johnson Matthey Pharma Services and Ensemble Therapeutics. Dr. Huang is a reviewer for NIH contract grants and volunteers as a judge for FTC robotics competition. She earned her Ph.D. in Bioorganic Chemistry from Case Western Reserve University and conducted postdoctoral research in biology under Nobel Laureate H. Gobind Khorana at MIT. She holds an M.S. in Organic Chemistry from USTC and a B.S. from NanKai University. Yumei will be providing Form C sign-off as the Company's Principal Accounting Officer.

Subhakar Dey
Chief Technology Officer

Dr. Dey, with 25+ years of experience in product commercialization, business and scientific management, chemistry, molecular biology, mass spectrometry, and clinical diagnostics, joined CellMosaic in 2019 to lead technology and new product development, diagnostic and therapeutic applications of AqT® technologies, and core intellectual property. He also oversees major projects and contributes to strategic planning and marketing. Previously, he was manager of IVD assay R&D at Sciex (Danaher Corp.) Clinical Diagnostics group and his team developed and launched the first Mass Spec. based FDA-cleared IVD assay. He played key roles in the Sciex policy deployment, product commercialization, and implemented the Danaher Business System to streamline assay development. He is the inventor of blockbuster proteomics and diagnostic reagents (iTRAQ® lines, Amplifex™ Keto, and Amplifex™ Diene). He has multiple patents, authored numerous publications, and holds awards. Dr. Dey earned his Ph.D. in Organic Chemistry from Case Western Reserve University and conducted postdoctoral research on nucleic acid chemistry at Northwestern Univ. He obtained his Master of Science in Chemistry from IIT Kanpur, India.

Annie Peter John
Bioconjugation, Product Development & Sustaining

Annie, with 5+ years of biotechnology experience, specializing in biorepository management and clinical R&D sample testing, joined CellMosaic in Q2 of 2023 to support bioconjugation, bioanalysis, and product development. She is a key contributor in client projects, product development, and sustaining. Previously, she was a technical research assistant at Brigham and Women’s Hospital.

John Huang
Product Management and Production

John, with over a decade of experience in R&D, organic synthesis, bioanalysis, and lab training, joined CellMosaic in Q1 of 2022. He oversees and supports product management, product manufacturing, inventory control and QC of the products. John plays a pivotal role in managing the company’s product portfolio and fulfillment.

Katie (Kathryn) Rodriguez
Operations, Project Management, and Bioconjugation

Katie, a biochemistry graduate from Worcester Polytech. (WPI), joined CellMosaic in Q2 of 2022. She manages daily business operations and product sales, manages clients’ projects and performs bioconjugation related projects. As a technology enthusiast, she is also responsible for managing customer databases and marketing efforts.

Philip Zhang, PhD, J.D. Esq.
Intellectual Property Attorney

CellMosaic’s IP-related matters are taken care of by Philip Zhang, PhD, J.D. Esq. Dr. Zhang is a co-founder and co-manager principal at Milstein Zhang & Wu LLC. Previously, he was a special counsel for Cooley Godward Kronish LLP, chief IP counsel for Ensemble Therapeutics, patent counsel for Genzyme, and patent attorney for Testa Hurwitz & Thibeault LLP. Dr. Zhang has helped CellMosaic with patent filing and overall patent strategies since the start of the company. He spends one to two hours a week on CellMosaic.

Names and titles as disclosed on SEC Form C, StartEngine. Bios and photos come from the platform campaign page and may be out of date.

Reg CF annual-report compliance

Not requiredFiled Form C-TR (terminated reporting)

Filed 1 of 2 annual reports (FY2024–FY2025)

33 investors
holder-count proxy

Reg CF issuers must file a Form C-AR each year until a Rule 202(b) termination trigger is met.

SEC filings

  • Form C-TRApr 14, 20260002037196-26-000001
    EDGAR
  • Form C-ARApr 9, 20250001665160-25-000570
    EDGAR
  • Form C-UFeb 5, 20250001665160-25-000182
    EDGAR
  • Form C/AJan 21, 20250001665160-25-000097
    EDGAR
  • Form CNov 1, 20240001665160-24-001523
    EDGAR
Source: ManualCIK 0002037196DEShare price $1.47

About this data. Figures are compiled from public sources — SEC EDGAR filings (Form C, C-AR, 1-A, 1-K) and funding-platform pages — and may be delayed, incomplete, or restated by the issuer. Financial statements are as reported by the issuer; each year is labeled with its assurance level (audited / reviewed / unaudited). A valuation cap is the conversion ceiling of a SAFE or convertible note, not an agreed company valuation; post-money figures are computed as pre-money plus amount raised and are not a traded price. Crowdonomics is not a broker-dealer, funding portal, or investment adviser; nothing here is investment advice or an offer to sell securities. Verify all figures against the linked EDGAR filings.