ATHE · NASDAQ · Biotechnology

Alterity Therapeutics (ADR) (ATHE)

Develops ATH434, a clinical candidate for multiple system atrophy and related Parkinsonian disorders.

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Alterity Therapeutics LimitedATHEHealth Care

Advances ATH434, a small-molecule clinical candidate for multiple system atrophy and related Parkinsonian disorders. The Melbourne-based company has no approved product described in its latest filing and depends on clinical, regulatory, and financing progress.

Advances ATH434, a small molecule designed to inhibit pathological protein aggregation and restore normal iron balance in the brain. The clinical program focuses on multiple system atrophy and related Parkinsonian disorders, following earlier Prana-era work on Alzheimer’s and Huntington’s disease; the PBT2 program was ended after a Phase 2 trial missed its primary endpoint.

Operates as a clinical-development enterprise rather than a commercial drug seller, with most staff in research and development. Its ordinary shares have an Australian primary listing while ADSs trade on Nasdaq, and its work is shaped by clinical execution, regulatory engagement, and financing milestones. No approved product is described in the latest reviewed filing.

Company facts

CEODavid Stamler, M.D.
ListedSep 5, 2002
ExchangeNASDAQ
HeadquartersMelbourne, Australia
CountryAustralia
Employees9
CIK0001131343
ISINUS02155X2053

Market cap$76.6M
EPS (ttm)−$46.33
P/E (ttm)−0.0976
ROE-48.3%
P/B2.60
P/S0.00
Dividend yieldDiv yield
Beta1.28vs XLV 0.04

Price target$7.00+54.9%Avg of 8 analysts
ConsensusBuy4 of 8 analysts
Ratings

Target rangeAs of Sep 2, 2026

Latest analyst notes

DateFirmActionRatingPrior targetTarget
Aug 11, 2026UBSTarget$12
Aug 11, 2026Craig-HallumInitiateBuy$12$2

EPSReportedEstimate

Feb '24Apr '24Aug '24Feb '25Feb '25Aug '25Feb '26Aug '26
Reported$0.00$0.00$0.00$0.00$0.00−$0.40−$0.38−$0.05
Estimate−$0.11−$0.05−$0.53−$0.43−$0.23−$0.12
Surprise+97.5%+96.2%+99.9%+7.2%−65.9%+56.0%

RevenueReportedEstimate

Feb '24Apr '24Aug '24Feb '25Feb '25Aug '25Feb '26Aug '26
Reported$1.9M$1.1M$2.1M$803.0K$803.0K$3.8M$645.9K$289.0K
Estimate$958.3K$950.0K$2.3M$5.1M$1.1M$2.3M
Surprise+98.4%+123.0%−65.1%−24.1%−39.6%−87.5%
Estimate−$0.12
Reported−$0.05+56.0%
Estimate$2.3M
Reported$289.0K−87.5%
View details

Debt to equity0.50%
Current ratio1,452.00%

ProfitabilityRevenueNet incomeNet margin

Q2 FY23Q4 FY23Q2 FY24Q4 FY24Q2 FY25Q4 FY25Q2 FY26Q4 FY26
Revenue$1.7M$1.1M$1.4M$1.5M$1.2M$2.8M$0$0
Net income−$5.8M−$4.1M−$4.7M−$9.1M−$5.2M−$3.6M−$6.8M−$10.0M
Net margin0.0%0.0%0.0%0.0%0.0%0.0%

GrowthOperating income

Q2 FY23Q4 FY23Q2 FY24Q4 FY24Q2 FY25Q4 FY25Q2 FY26Q4 FY26
Operating income−$7.7M−$5.6M−$3.2M−$9.3M−$5.4M−$5.1M−$9.2M−$11.2M
YoY growth

Balance sheet, Jun 30, 2026Cash & short-term investments $26.8M · Total debt $139.0K · Total assets $33.1M · Shareholders' equity $30.7M

Revenue
$0
Operating income
−$11.2M
Net income
−$10.0M

Reported in AUD, converted at the latest exchange rate

View details

No dividends on record.

Institutions22 holders · as of Jun 30, 20262.33%394.5K ADS
Insiders4 holders · as of Apr 15, 20261.00%170.1K ADS
Otherremainder96.67%16.38M ADS

16.94M ADS (1 ADS = 600 ordinary shares) as of Aug 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

The share count is from the company's Jun 2024 annual report; nothing newer is on file here.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
David Allen StamlerInsiderdirector, officer: Chief Executive Officer
0.94%11.69M ordinary · 139,258 ADSForm 4filed Apr 15, 2026
Twin Lakes Capital Management, LLCInstitution
0.82%139,258 ADS13Fas of Jun 30, 2026
Morgan StanleyInstitution
0.37%63,065 ADS13Fas of Jun 30, 2026
Greenleaf TrustInstitution
0.37%62,000 ADS13Fas of Jun 30, 2026
HB Wealth Management, LLCInstitution
0.35%58,460 ADS13Fas of Jun 30, 2026
See all 25

13F — a manager's quarterly holdings · Form 4 — an insider's transaction report

Insider tradesForm 4

No open-market trades in the last 12 months.

View details

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