If You Invested in Alterity Therapeutics Ltd (PRNAF)
Looking for the current price? See the PRNAF quote & overviewWhat $1,000 or $10,000 in PRNAF Would Be Worth Today
Real historical value by amount invested and how long ago| If you invested | 1 year ago | 5 years ago | 10 years ago | Since Dec 31, 2021 |
|---|---|---|---|---|
| $1,000 | $1,286 +29% | — | — | $529 -47% |
| $10,000 | $12,857 +29% | — | — | $5,294 -47% |
Based on real historical closing prices through the latest market close. Past performance does not guarantee future results.
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PRNAF vs S&P 500Year-by-Year Returns
PRNAF annual performance| Year | Start Price | End Price | Annual Return | Cumulative |
|---|---|---|---|---|
| 2021 | $0.85 | $0.85 | +0.0% | +0.0% |
| 2022 | $0.73 | $0.33 | -55.5% | -61.8% |
| 2023 | $1.74 | $0.22 | -87.3% | -74.1% |
| 2024 | $0.10 | $0.18 | +80.0% | -78.8% |
| 2025 | $0.51 | $0.31 | -38.1% | -63.2% |
| 2026 | $0.54 | $0.45 | -16.7% | -47.1% |
About Alterity Therapeutics Ltd
Healthcare · OTC Link
Alterity Therapeutics Limited (PRNAF) is identified in its U.S. Securities and Exchange Commission (SEC) filings as a foreign private issuer and a development stage enterprise. The company files reports with the SEC under the Securities Exchange Act of 1934 using Form 20-F as its annual reporting framework and Form 6-K for current reports. According to these filings, Alterity Therapeutics Limited is incorporated outside the United States and maintains its principal executive office in Melbourne, Victoria, Australia.
The company describes itself in SEC documents as a development stage enterprise. This indicates, based on its own characterization, that it is focused on development activities rather than mature, large-scale commercial operations. Its status as a foreign private issuer means it follows specific SEC reporting requirements tailored to non-U.S. companies whose securities trade in U.S. markets.
Regulatory reporting and capital markets activity
Alterity Therapeutics Limited uses Form 6-K filings to provide updates that are incorporated by reference into several registration statements on Form S-8 and Form F-3. These registrations relate to securities that may be offered or issued under U.S. securities law frameworks. The company’s 6-K filings reference multiple active registration statements, reflecting an ongoing relationship with U.S. capital markets.
Recent 6-K reports submitted by Alterity Therapeutics Limited include exhibits covering topics such as an application for quotation of securities, notifications of cessation of securities, changes in substantial holdings, changes in director interests, and notices under Section 708A. These items show that the company reports on changes in its capital structure and significant security holder positions through its current reports.
Development and clinical reporting
In one of its Form 6-K submissions, Alterity Therapeutics Limited includes an exhibit titled "Alterity Presents Phase 2 Data at US Neurology Meeting." This title indicates that the company has reported Phase 2 data and has presented this information at a neurology-focused meeting in the United States. While the detailed scientific or commercial implications are not included in the summary text, the exhibit title suggests that the company’s development activities involve clinical-stage work that is of interest to the neurology field.
The combination of being described as a development stage enterprise and presenting Phase 2 data at a neurology meeting suggests that Alterity Therapeutics Limited is engaged in development programs that are sufficiently advanced to reach at least Phase 2 evaluation, as disclosed in its own regulatory filings.
Corporate governance and shareholder-related disclosures
Alterity Therapeutics Limited also uses its 6-K filings to communicate corporate governance and shareholder-related information. One filing references an exhibit titled "Date of AGM and Closing Date for Director Nominations," which indicates that the company discloses the timing of its annual general meeting and the deadline for nominating directors. Other filings reference multiple "Change of Director's Interest Notice" exhibits, as well as a "Change in substantial holding" exhibit, highlighting that the company reports changes in director holdings and substantial shareholdings through formal notices.
These disclosures provide transparency around ownership changes and governance events, as required in its home market and reported to the SEC via Form 6-K.
Use of Form 6-K and incorporation by reference
Each of the referenced Form 6-K filings explicitly states that it is being incorporated by reference into Alterity Therapeutics Limited’s registration statements on Form S-8 and Form F-3. This means that the information contained in those 6-K reports becomes part of the disclosure record for the securities registered under those forms. For investors reviewing PRNAF, these filings are a primary source of information about corporate actions, securities issuances or changes, and selected development updates.
The company’s reliance on Form 20-F and Form 6-K, as stated in the filings, also clarifies that it follows the foreign private issuer reporting regime rather than the domestic U.S. issuer framework.
Location and regulatory identity
According to its SEC filings, Alterity Therapeutics Limited’s principal executive office is located in Melbourne, in the state of Victoria, Australia. The filings repeatedly identify the registrant as "Alterity Therapeutics Limited" and confirm that it is a foreign private issuer under the Exchange Act. The documents also consistently classify the company as a development stage enterprise.
For investors and researchers, the SEC filings for PRNAF offer insight into Alterity Therapeutics Limited’s regulatory status, ongoing capital markets activity, and selected development milestones, particularly those highlighted through its 6-K exhibits.
Frequently Asked Questions
Alterity Therapeutics Ltd investment returns
How much would $1,000 invested in Alterity Therapeutics Ltd be worth today?
If you invested $1,000 in Alterity Therapeutics Ltd (PRNAF) 1 years ago on 2025-09-23, your investment would be worth $1,286 today, representing a +28.6% total return, growing at a compounded rate of 35.5% per year (CAGR).
Has Alterity Therapeutics Ltd outperformed the S&P 500?
Comparison data requires at least 10 years of trading history. Use the calculator above to compare PRNAF performance over available time periods.
What is Alterity Therapeutics Ltd's average annual return?
The compound annual growth rate (CAGR) of PRNAF over the past 1 years is 35.5%, growing at a compounded rate each year. Individual years vary significantly — PRNAF's best recent year was 2024 (+80.0%) and worst was 2023 (-87.3%).
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