TFA-01 | Nonsteroidal drug development for canine osteoarthritisView development progress

INVESTOR RELATIONS

Company disclosures

TFA Therapeutics, Inc. is a Cayman Islands exempted company and an SEC-reporting foreign private issuer. Its ordinary shares are quoted on the OTCQB Venture Market under the symbol RAJAF.

OTCQB: RAJAF
OTCQB: RAJAF

05 · Commercialization & Company Value

Building a path to product and partnership revenue

As research and regulatory work advance, TFA plans to pursue commercialization through product sales, regional licensing, and co-development across markets.

Taiwan

Product sales

Build on the lead product program and veterinary distribution channels to launch sales after obtaining the required approvals.

China & Regional Markets

Regional licensing

Work with regional partners on regulatory submissions and commercialization, with potential licensing fees, milestone payments, or royalties under the relevant agreements.

United States & Other Markets

Co-development

Combine partners’ research, regulatory, and market capabilities to share development responsibilities and the resulting value.

Company History & Public Market Foundation

Follow TFA’s development and financing through its public record

Founded in 2020, TFA entered the U.S. over-the-counter market in 2023 and continues to disclose information through annual financial reports and filings on material developments.

2020–2025

Six years of audited financial statements

The company’s financial statements are audited by a PCAOB-registered accounting firm. Company information is disclosed through Forms 20-F and 6-K.

2023–2025

Year-end ordinary shares outstanding were unchanged

Ordinary shares outstanding totaled 111,120,000 at each year-end from 2023 through 2025. See the September 2, 2026 Form 6-K for the private placement terms and intended use of proceeds.

View SEC filings

TFA AT A GLANCE

TFA at a glance

Company profile, TFA-01, development progress and public-company status.

01

Company

Next-Generation Nonsteroidal Anti-Inflammatory Drug Platform

TFA is developing an Antcin A-based drug candidate as a potential alternative to corticosteroids. The company combines HPF (Hyphal Pairing & Fusion), cultivation processes, formulation development and third-party research, with companion animal health as its initial focus.

02

Lead program

TFA-01 · Antcin A · Canine OA

Investigational and not approved for marketing.

03

Current development priorities

Mechanism · CMC · Safety · Canine OA · Regulatory

Five development workstreams are advancing in parallel.

04

Public-company status

OTCQB: RAJAF

An SEC-reporting foreign private issuer, with annual audits by a PCAOB-registered firm since 2020.

SEC · FORM 6-K

Private placement and use of proceeds

Corporate disclosure
SECSEC Form 6-K · 2026.09.02

Offshore private placement to support TFA-01 development

TFA furnished a Form 6-K to the SEC on September 2, 2026, outlining an offshore private placement at US$2.52 per share. The target is approximately US$10 million, with a maximum of approximately US$15 million.

Proceeds are intended to support TFA-01 manufacturing and quality controls, nonclinical safety and toxicology, clinical and regulatory work, as well as personnel, working capital, capital-markets readiness and offering expenses.

As of the report date, the offering remained open, and the company could conduct one or more closings. For information only; not an offer to sell or a solicitation to buy securities.

Read the SEC disclosure

CMC & SUPPLY

Annualized kilogram-scale supply potential

Kilogram-scale supply potential supports planning for multiple batches, quality comparisons, retention samples and follow-on studies. See the CMC section for the estimation basis and limitations.

View CMC and development status

VALUE-BUILDING MILESTONES

Building value by addressing development risks

01

Molecule, mechanism & rights

Published research foundation / program validation underway

Published studies support GR/GRα-related signaling by Antcin A in defined models. TFA is assessing how those findings apply to its current test articles, batches and canine OA development program.

Next milestoneComplete candidate test-article and batch definition and strengthen program-level pharmacology relevant to canine osteoarthritis.View progress details
02

CMC & controlled supply

Sourcing foundation in place / specifications and batch bridging underway

Research on strains from multiple sources and their Antcin A content supports controlled cultivation, strain selection, purification, analytical testing and formulation development.

Next milestoneComplete physicochemical validation of the nanoformulation, then advance formal specifications, batch consistency and process scale-up.View progress details
03

Safety & toxicology

Preliminary 14-day repeat-dose study completed | Formal studies advancing

A 14-day repeat-dose preliminary toxicology study in female rats is complete and a report is available to inform later study design. The Graduate Institute of Animal Vaccine Technology is advancing target-animal safety, toxicology, residue and formulation-related research.

Next milestoneComplete the subsequent regulatory toxicology reports and establish the safe dose range for the purified candidate drug substance and final product under this development program.View progress details
04

Canine OA clinical development

First-stage agreement signed / preliminary cell testing underway

TFA completed uncontrolled exploratory observations in 15 dogs. The first-stage canine osteoarthritis research agreement has been signed, and preliminary cell-based testing is underway ahead of a standardized study.

Next milestoneComplete the canine OA study under a protocol with prespecified endpoints and a statistical analysis plan, and prepare the study report.View progress details
05

Regulatory strategy & commercialization

Taiwan advancing / U.S. CVM planning

TFA is assembling data for a veterinary drug application in Taiwan and planning its U.S. CVM strategy. Partnership and licensing opportunities will be evaluated as the supporting data develop.

Next milestoneObtain regulatory feedback on study design, process specifications and remaining data gaps, then develop a submission plan.View progress details

2027 · DEVELOPMENT AND CAPITAL-MARKETS READINESS

Prepare for regulatory and Nasdaq listing applications

The first-stage objective for 2027 is submission readiness: assemble the core regulatory data package while preparing for a potential Nasdaq listing application.

  1. 2026–2027Work underway

    Build the foundation

    Drug development

    Integrate safety, toxicology, CMC, formulation and canine OA study data.

    Capital markets

    Strengthen governance, financial reporting and readiness to meet shareholder and market requirements.

  2. 2027Conditional target

    Advance applications when ready

    Drug development

    Once the core data package is complete, advance TFA's first application for veterinary drug approval in Taiwan.

    Capital markets

    Pursue a Nasdaq listing application subject to eligibility and market conditions.

  3. After submissionIndependent review

    Respond to review requirements

    Drug development

    Address regulatory review and requests for additional information.

    Capital markets

    Proceed through exchange review under the applicable listing requirements.

Submission readiness, application submission and approval are separate milestones. Regulators and the exchange conduct independent reviews; approval, listing and timing are not assured.

COMPANY PROFILE

Public-company information

Legal name
TFA Therapeutics, Inc.
Former name
Cordyceps Sunshine Biotech Holdings Co., Ltd.
Market
OTCQB
Trading symbol
RAJAF
SEC CIK
0001885680
Fiscal year end
December 31

DISCLOSURE PRINCIPLES

How we communicate with investors

01

Official documents first

Refer to official SEC filings and OTC Markets disclosures for material company information.

02

Milestone-based updates

Progress is communicated through R&D, regulatory, CMC and partnership milestones.

03

Clear evidence levels

Published research, company-reported preliminary data and forward-looking goals are distinguished.

Investor contact

Contact the TFA team for public company information, partnership discussions or investor relations inquiries.

Contact investor relations