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.

  • Sep 16, 2026

    Headcount grew 35% QoQ (from 93 to 126 employees)

  • Aug 21, 2026

    Grew 31% QoQ, from 90 to 118 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 Terrestrial Bio, Inc. a public or private company?

Terrestrial Bio, Inc. is a private company.

What is the current stock price of Terrestrial Bio, Inc.?

Terrestrial Bio, Inc. is a private company with no public stock price. Caplight tracks Terrestrial Bio, Inc.'s secondary market activity and provides MarketPrice™ estimates to Caplight users.

How much is Terrestrial Bio, Inc. worth (valuation)?

Valuation information for Terrestrial Bio, Inc. is not publicly available.

Can I buy Terrestrial Bio, Inc. stock?

Terrestrial Bio, Inc. 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 Terrestrial Bio, Inc.'s last funding round?

Terrestrial Bio, Inc.'s most recent funding round was Series C on March 25, 2026.

Who are the main investors in Terrestrial Bio, Inc.?

Key investors in Terrestrial Bio, Inc. include RA Capital Management, The Engine, Engine Ventures, Massachusetts Life Sciences Center, Norwich Ventures.

Will Terrestrial Bio, Inc. IPO soon?

No public IPO plans have been announced for Terrestrial Bio, Inc..

How can I track Terrestrial Bio, Inc. secondary market activity?

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

Firmographic Details

HeadquartersWoburn, Massachusetts
Employee Range67
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?