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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 2025-12-03 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
Ceasing to be a substantial holder 4 pages 282.4KB
Major Shareholding Notification Classification · 100% confidence The document is titled 'Form 605' and is described as a 'Notice of ceasing to be a substantial holder' under the Corporations Act 2001 Section 671B. It details changes in relevant interests of a substantial holder, including securities lending and collateral arrangements. The document includes annexures with detailed information about securities lending agreements and changes in voting securities. There is no financial performance data, earnings information, or management discussion. The document is a regulatory notice about shareholding changes, specifically about ceasing to be a substantial holder, which fits the category of Major Shareholding Notification (MRQ).
2025-12-03 English
Notification regarding unquoted securities - SLX 6 pages 18.6KB
Share Issue/Capital Change Classification · 100% confidence The document is titled 'Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities' and details the issuance of unquoted securities under an employee incentive scheme by Silex Systems Limited. It includes specifics such as the number of securities issued, issue date, and references to ASX listing rules. The content is a formal announcement of a securities issue rather than a full financial report or earnings release. This fits the category of Share Issue/Capital Change announcements, which cover new share issues or capital changes. The document length is about 5,876 characters, containing detailed issuance information, not just a brief notice or link to a report, so it is not a Report Publication Announcement or Regulatory Filing. Therefore, the appropriate classification is Share Issue/Capital Change (SHA).
2025-12-02 English
Becoming a substantial holder 54 pages 6.0MB
Major Shareholding Notification Classification · 100% confidence The document is a Form 603 under the Corporations Act 2001, titled 'Notice of initial substantial holder'. It details the substantial shareholding of State Street Corporation and its subsidiaries in Silex Systems Limited, including voting power, relevant interests, registered holders, consideration paid, and associates. This form is a regulatory filing notifying the market and regulators about a substantial shareholding crossing a threshold. It is not a financial report, earnings release, management report, or any other type of corporate report. It is a specific regulatory disclosure about major shareholding. Therefore, the appropriate classification is 'Major Shareholding Notification' (MRQ). The document length and content confirm it is the actual notice, not just an announcement of one, so it is not RPA or RNS. Confidence is high due to clear form type and content.
2025-12-02 English
Notification regarding unquoted securities - SLX 7 pages 21.1KB
Share Issue/Capital Change Classification · 100% confidence The document is titled 'Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities' and details the issuance of unquoted options by Silex Systems Limited. It includes specifics such as the number of securities issued, exercise price, expiry date, and the purpose of the issue (investor relations services). The document is a formal notification to the ASX regarding a securities issuance event, not a financial report or earnings release. It does not contain financial statements or management discussion but focuses on capital changes related to securities issuance. Therefore, it fits the category of Share Issue/Capital Change (SHA). The document length (7339 characters) and content confirm it is a full notification rather than a brief announcement or a report publication notice.
2025-12-01 English
Ceasing to be a substantial holder 7 pages 357.1KB
Major Shareholding Notification Classification · 100% confidence The document is a Form 605 under the Corporations Act 2001, titled 'Notice of ceasing to be a substantial holder.' It details changes in relevant interests of a substantial shareholder, including annexures with securities lending agreements and collateral details. This form is a regulatory filing notifying the company and ASIC about changes in substantial shareholdings, not a financial report, earnings release, or management discussion. It is a specific statutory notice related to shareholding disclosures. Therefore, it fits best under the category of Major Shareholding Notification (MRQ). The document length and detail confirm it is the actual notice, not just an announcement or certification.
2025-12-01 English
Becoming a substantial holder 59 pages 5.9MB
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, associates, and addresses. 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, management report, or any other report type. It is a Major Shareholding Notification filing, which corresponds to the category for notifications of changes in significant share ownership levels.
2025-11-27 English

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