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ALPHA HPA LIMITED — Investor Relations & Filings

Ticker · A4N ISIN · AU0000033060 LEI · 254900674LNVWNRXKB06 ASX Manufacturing
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Filings indexed 864 across all filing types
Latest filing 2026-04-30 Regulatory Filings
Country AU Australia
Listing ASX A4N

About ALPHA HPA LIMITED

https://alphahpa.com.au/

Alpha HPA Limited is a technology-driven specialty chemicals company focused on the production of high-purity alumina (HPA) and related aluminum precursor products. Utilizing its proprietary licensed solvent extraction purification technology, the company processes industrial aluminum chemical feedstocks to achieve purity levels of 99.99% (4N) and higher. Its product suite includes HPA tablets, high-purity aluminum nitrates, sulfates, and hydrates, as well as boehmite. These materials are critical for high-growth technology sectors, including lithium-ion battery separators, LED manufacturing, semiconductors, and synthetic sapphire production. The company's production process is characterized by a significantly lower carbon footprint and reduced energy consumption compared to traditional aluminum alkoxide methods, positioning it as a sustainable supplier for the global decarbonization supply chain.

Recent filings

Filing Released Lang Actions
Change in substantial holding from MQG 53 pages 247.4KB
Regulatory Filings
2026-04-30 English
Quarterly Activities/Appendix 4C Cash Flow Report 17 pages 2.0MB
Regulatory Filings
2026-04-29 English
Change in substantial holding from MQG 37 pages 210.1KB
Major Shareholding Notification Classification · 100% confidence The document is a Form 604 Notice of change of interests of substantial holder under the Corporations Act 2001 Section 671B. It details changes in voting power and relevant interests of a substantial shareholder (Macquarie Group Limited) in a company (Alpha HPA Limited). This type of filing is a notification of changes in significant share ownership levels, which corresponds to a Major Shareholding Notification. The document is lengthy and contains detailed information about the shareholding changes and associated entities, confirming it is not a brief announcement but a substantive notification. Therefore, the appropriate classification is Major Shareholding Notification (MRQ).
2026-04-14 English
Notification of cessation of securities - A4N 4 pages 14.7KB
Share Issue/Capital Change Classification · 95% confidence The document is titled 'Appendix 3H - Notification of cessation of securities' and details the cessation (lapse) of certain securities (performance rights) for ALPHA HPA LIMITED. It includes specifics such as the number of securities ceased, reasons for cessation, and updated issued capital figures. The document is an official announcement related to changes in the company's issued capital securities, specifically the cessation of certain securities. It does not contain financial statements, audit information, or management commentary. It is not a report but an announcement of a securities cessation event. This fits best under the category of Share Issue/Capital Change (SHA), which covers announcements regarding new share issues, stock splits, or other capital changes including cessation of securities.
2026-03-30 English
Change of Director's Interest Notice 3 pages 280.5KB
Director's Dealing Classification · 100% confidence The document is titled 'CHANGE OF DIRECTOR’S INTEREST NOTICE' and references Appendix 3Y, which is a standard form used in Australian Securities Exchange (ASX) filings to report changes in directors' shareholdings. The content details a director's on-market purchase of shares, including the number of securities held before and after the transaction, the nature of the change, and compliance with ASX Listing Rule 3.19A. There is no financial performance data, earnings information, or management discussion. The document is a regulatory announcement specifically reporting a director's personal share transaction. Therefore, it fits the category of Director's Dealing (DIRS). The document length and detail confirm it is the actual notice, not just an announcement of a report.
2026-03-29 English
Change of Director's Interest Notice 3 pages 279.4KB
Director's Dealing Classification · 100% confidence The document is titled 'CHANGE OF DIRECTOR’S INTEREST NOTICE' and references Appendix 3Y, which is a standard form used in Australian Securities Exchange (ASX) filings to report changes in directors' shareholdings. The content details a director's on-market purchase of shares, including the number of shares before and after the transaction, the date of change, and the nature of the transaction. There is no financial performance data, earnings information, or management discussion. The document is a regulatory announcement about a director's personal share transactions, fitting the definition of Director's Dealing (DIRS). The document length is 4285 characters, which is typical for such notices and not a report or announcement of a report publication. Therefore, the correct classification is DIRS with high confidence.
2026-03-26 English

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