Insights

Innovative Pipeline Rein Therapeutics is developing first-in-class therapies targeting orphan pulmonary and fibrosis indications, presenting opportunities to partner with or supply advanced biopharmaceutical solutions to specialty clinics and research institutions focused on these underserved areas.

Clinical Progress With lead product LTI-03 entering Phase 2 clinical trials and LTI-01 advancing through Phase 2a, the company demonstrates strong pipeline momentum, opening avenues for collaborations with clinical trial organizations, contract research organizations, and medical device suppliers supporting phase-specific needs.

Regulatory Milestones Key designations such as Orphan Drug and Fast Track status for LTI-01 enhance market exclusivity potential, making the company an attractive partner for regulatory consulting and services, as well as packaging and distribution channels aligned with expedited approval pathways.

Funding and Growth Rein Therapeutics has secured substantial financial backing and maintains a lean team, indicating readiness to expand R&D collaborations, licensing agreements, and technology licensing opportunities with firms seeking innovative therapies for rare disease markets.

Market Positioning Operating in a niche biopharma segment with an emphasis on regenerative and anti-fibrotic therapies, Rein offers potential sales opportunities in specialized biotech tools, research reagents, and companion diagnostic services tailored to orphan disease treatment development.

Rein Therapeutics Tech Stack

Rein Therapeutics uses 8 technology products and services including Acquia Cloud Platform, HSTS, Cloudflare Bot Management, and more. Explore Rein Therapeutics's tech stack below.

  • Acquia Cloud Platform
    Platform As A Service
  • HSTS
    Security
  • Cloudflare Bot Management
    Security
  • Google Tag Manager
    Tag Management
  • Adobe Tag Manager
    Tag Management
  • HTTP/3
    Web & Portal Technology
  • Acquia Cloud Site Factory
    Web Hosting
  • Drupal Multisite
    Web Hosting

Media & News

Rein Therapeutics's Email Address Formats

Rein Therapeutics uses at least 2 format(s):
Rein Therapeutics Email FormatsExamplePercentage
FLast@aileronrx.comJDoe@aileronrx.com
96%
FirstL@aileronrx.comJohnD@aileronrx.com
4%

Frequently Asked Questions

Where is Rein Therapeutics's headquarters located?

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Rein Therapeutics's main headquarters is located at 12407 North mo Pac Expressway 390 Austin, Texas 78758 United States. The company has employees across 3 continents, including North AmericaAsiaEurope.

What is Rein Therapeutics's phone number?

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You can contact Rein Therapeutics's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Rein Therapeutics's stock symbol?

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Rein Therapeutics is a publicly traded company; the company's stock symbol is ALRN.

What is Rein Therapeutics's official website and social media links?

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Rein Therapeutics's official website is reintx.com and has social profiles on LinkedInCrunchbase.

What is Rein Therapeutics's SIC code NAICS code?

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Rein Therapeutics's SIC code is 8733 - Noncommercial Research Organizations NAICS code is 541714 - Research and Development in Biotechnology (except Nanobiotechnology).

How many employees does Rein Therapeutics have currently?

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As of February 2026, Rein Therapeutics has approximately 18 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: J. Y.Vp Of Finance: R. R. C.Vice President Quality Assurance: K. L.. Explore Rein Therapeutics's employee directory with LeadIQ.

What industry does Rein Therapeutics belong to?

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Rein Therapeutics operates in the Biotechnology Research industry.

What technology does Rein Therapeutics use?

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Rein Therapeutics's tech stack includes Acquia Cloud PlatformHSTSCloudflare Bot ManagementGoogle Tag ManagerAdobe Tag ManagerHTTP/3Acquia Cloud Site FactoryDrupal Multisite.

What is Rein Therapeutics's email format?

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Rein Therapeutics's email format typically follows the pattern of FLast@aileronrx.com. Find more Rein Therapeutics email formats with LeadIQ.

How much funding has Rein Therapeutics raised to date?

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As of February 2026, Rein Therapeutics has raised $21M in funding. The last funding round occurred on Jul 30, 2025 for $21M.

When was Rein Therapeutics founded?

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Rein Therapeutics was founded in 2025.

Rein Therapeutics

Biotechnology ResearchTexas, United States11-50 Employees

Rein Therapeutics is a clinical-stage biopharmaceutical company advancing a novel pipeline of first-in-class therapies to address significant unmet medical needs in orphan pulmonary and fibrosis indications. Rein's lead product candidate, LTI-03, is a novel, synthetic peptide with a dual mechanism targeting alveolar epithelial cell survival as well as inhibition of profibrotic signaling. LTI-03 is anticipated to initiate a Phase 2 clinical trial in the first half of 2025 for the treatment of idiopathic pulmonary fibrosis. Rein’s second product candidate, LTI-01, is a proenzyme that has completed Phase 1b and Phase 2a clinical trials for the treatment of loculated pleural effusions. LTI-01 has received Orphan Drug Designation in the U.S. and E.U. and Fast Track Designation in the U.S. 

For more information, please visit www.reintx.com or follow us on Twitter at @Rein_Tx.

Section iconCompany Overview

Headquarters
12407 North mo Pac Expressway 390 Austin, Texas 78758 United States
Phone number
Website
reintx.com
SIC Code
8733 - Noncommercial Research Organizations
Stock Symbol
ALRN
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2025
Employees
11-50

Section iconFunding & Financials

  • $21M

    Rein Therapeutics has raised a total of $21M of funding over 1 rounds. Their latest funding round was raised on Jul 30, 2025 in the amount of $21M.

  • $10M$25M

    Rein Therapeutics's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $21M

    Rein Therapeutics has raised a total of $21M of funding over 1 rounds. Their latest funding round was raised on Jul 30, 2025 in the amount of $21M.

  • $10M$25M

    Rein Therapeutics's revenue is estimated to be in the range of $10M$25M

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