Skip to main content
Caplight Logo









Terrestrial Bio, Inc.

Terrestrial Bio, Inc.

Private
Woburn, MassachusettsHealthcare & Life Scienceshttps://www.terrestrialbio.com/

Last Round

Series C

Mar 25, 2026

Total Funding Raised

$138.93M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Terrestrial Bio, Inc. is a biotechnology company that develops a proprietary microarray patch platform for the needle-free and refrigeration-free delivery of therapeutics, including GLP-1 receptor agonists and vaccines.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Medical Devices, Advanced Materials

Business Model

B2B

Customer Profile

Government Contracts, Services & Consulting

AI Layer

Non-AI

Keywords

microneedle patchdrug deliverysilk-based platformMAPmicroarray patchneedle-free injectionsustained releasecold-chain freebiotechnologyvaccine deliverybiomaterialsshelf-stable medicinedrug delivery techpainless vaccinepatch vaccine

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Terrestrial Bio, Inc. Comparables

Compare Terrestrial Bio, Inc. with similar companies based on industry and business-model similarity.

Terrestrial Bio, Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Micron Biomedical
89%
Verndari, Inc.
84%
WCC Biomedical
83%

Terrestrial Bio, Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series CMar 25, 2026
Early FundingApr 9, 2025
VC RoundMay 22, 2024
Early FundingSep 13, 2023
Series B ExtensionJan 10, 2023
Series B
Nov 2, 2022

Key People

Founding team and executive leadership

Rachel Sha

Chief Executive Officer

Executive Team

Terrestrial Bio, Inc. Investors

Notable investors and investment history

Terrestrial Bio, Inc. investors
InvestorRounds
S32Series B
RA Capital ManagementEarly Funding, VC Round, Series B Extension, Series B, Series C
The EngineSeries B, Early Funding, Series B Extension, Series A
Engine VenturesSeries B, Early Funding, Series C, VC Round, Series A
NIH RADxGrant
BioInnovation CapitalSeries A, Series B Extension
Massachusetts Life Sciences CenterDebt, Accelerator

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Grew 31% QoQ, from 90 to 118 employees.

  • Jul 30, 2026

    Grew 30% quarter-over-quarter, from 86 to 112 employees.

Terrestrial Bio, Inc. Filings

Explore SEC and related filing metadata, where available.

Terrestrial Bio, Inc. filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Terrestrial Bio, Inc.'s valuation, stock price, and market status.

Is Vaxess a public or private company?

Vaxess is a private company.

What is the current stock price of Vaxess?

Vaxess is a private company with no public stock price. No recent secondary market data is available.

How much is Vaxess worth (valuation)?

Valuation information for Vaxess is not publicly available.

Can I buy Vaxess stock?

Vaxess shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Vaxess's last funding round?

Vaxess's most recent funding round was Series C on March 27, 2026.

Who are the main investors in Vaxess?

Key investors in Vaxess include RA Capital Management, The Engine.

Will Vaxess IPO soon?

No public IPO plans have been announced for Vaxess.

How can I track Vaxess secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Vaxess's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersWoburn, Massachusetts
Employee Range62
Year Founded2011
Last FundingMar 25, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?