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SILEX SYSTEMS LIMITED — Investor Relations & Filings

Ticker · SLX ISIN · AU000000SLX4 LEI · 5493003U7WMXGIEUEF14 ASX Manufacturing
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Filings indexed 962 across all filing types
Latest filing 2025-11-13 Major Shareholding Noti…
Country AU Australia
Listing ASX SLX

About SILEX SYSTEMS LIMITED

https://www.silex.com.au/

Silex Systems Limited specializes in the development and commercialization of the SILEX laser-based isotope separation technology. The company's primary focus is the enrichment of uranium for the nuclear power sector, managed through Global Laser Enrichment (GLE), a joint venture with Cameco Corporation. This proprietary technology utilizes laser excitation to separate isotopes, offering a more efficient and scalable alternative to traditional gas centrifuge and diffusion methods. In addition to uranium enrichment, the company leverages its laser technology to produce high-purity specialized materials, including Zero-Spin Silicon for the quantum computing industry and various isotopes for medical applications. The SILEX process is designed to reduce energy consumption and capital intensity while providing a secure supply of critical materials for advanced technology and energy markets.

Recent filings

Filing Released Lang Actions
Becoming a substantial holder 48 pages 5.3MB
Major Shareholding Notification Classification · 100% confidence The document is titled 'Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder' and details the substantial shareholding of State Street Corporation and its subsidiaries in Silex Systems Limited. It includes voting power percentages, relevant interests, registered holders, consideration paid, and associates. This form is a regulatory filing notifying the market and regulators of a substantial shareholding crossing a threshold, as required under Australian Corporations Act. It is not a financial report, earnings release, or management report. It is a Major Shareholding Notification as it reports changes in significant share ownership levels.
2025-11-13 English
Ceasing to be a substantial holder 14 pages 1.2MB
Major Shareholding Notification Classification · 100% confidence The document is titled 'Form 605 Corporations Act 2001 Section 671B' and is a 'Notice of ceasing to be a substantial holder' for Silex Systems Limited. It details changes in relevant interests of a substantial holder, including dates, nature of changes, and securities affected. The document includes annexures with detailed transaction data and signatures. This type of filing is a regulatory notification about changes in significant share ownership, specifically ceasing to be a substantial holder, which aligns with the category 'Major Shareholding Notification' (MRQ). The document is lengthy (15,000 characters) and contains detailed data, not just an announcement or certification, confirming it is the actual notification. Therefore, the correct classification is MRQ with high confidence.
2025-11-11 English
Investor Presentation 33 pages 5.5MB
Investor Presentation Classification · 95% confidence The document is titled 'Investor Presentation' and dated November 2025. It contains detailed information about the company's technology, commercialisation plans, strategy, recent highlights, upcoming catalysts, and government funding related to Silex Systems Limited. The content is structured as a presentation with slides, forward-looking statements, risk factors, and investment highlights. There is no indication that this is a regulatory filing, earnings release, or annual/interim report. The document is comprehensive and clearly intended for investors to understand the company's business and prospects, which matches the definition of an Investor Presentation (IP). The document length is 15,000 characters, indicating it is a full presentation rather than a brief announcement or notice. Therefore, the appropriate classification is Investor Presentation (IP) with high confidence.
2025-11-09 English
Application for quotation of securities - SLX 8 pages 24.8KB
Share Issue/Capital Change Classification · 100% confidence The document is titled 'Appendix 2A - Application for quotation of securities' and details the issuance and quotation of securities following the exercise of options or conversion of convertible securities. It includes specifics such as the number of securities, issue dates, prices, and whether the securities are subject to trading restrictions. The document is an official application to the ASX for quotation of new securities resulting from option exercises, which is a capital change event. This fits the definition of a Share Issue/Capital Change announcement rather than a full financial report or other categories. The document length is over 10,000 characters and contains detailed issuance information, not just a brief announcement or reference to a report. Therefore, the correct classification is Share Issue/Capital Change (SHA).
2025-11-03 English
Change in substantial holding 31 pages 3.5MB
Major Shareholding Notification Classification · 100% confidence The document is titled 'Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder'. It details changes in voting power and relevant interests of a substantial shareholder, including specific share counts and voting percentages. The form is a regulatory filing used to notify changes in substantial shareholdings, consistent with Australian securities regulations. It is not an annual report, earnings release, or any financial statement. It is a notification of changes in major shareholding levels, which fits the definition of 'Major Shareholding Notification' (MRQ). The document length is substantial and contains detailed data on shareholdings, confirming it is the actual notification, not just an announcement of a report. Therefore, the correct classification is MRQ with high confidence.
2025-10-30 English
GLE Achieves TRL-6 3 pages 219.6KB
Regulatory Filings Classification · 95% confidence The document is a company announcement from Silex Systems Limited regarding a technical milestone achievement (TRL-6) for their SILEX laser uranium enrichment technology. It includes detailed information about the technology validation, future plans, and commercial prospects. The document is not a financial report, earnings release, or regulatory filing. It is a corporate announcement about a technology development milestone and commercial progress, not related to financial results or governance changes. It does not contain financial statements or detailed financial data. It is also not a report publication announcement or certification. Therefore, the best fitting category is Regulatory Filings (RNS), as it is a general regulatory announcement and company update that does not fit other specific categories.
2025-10-22 English

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