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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 2026-03-02 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 38 pages 3.0MB
Major Shareholding Notification Classification · 100% confidence The document is a Form 603 Notice of initial substantial holder filed under the Corporations Act 2001 Section 671B. It details the substantial shareholding of The Bank of New York Mellon Corporation and its group entities in Silex Systems Ltd, including voting power, relevant interests, registered holders, and consideration paid for securities. The document includes annexures with detailed information about the entities, relevant interests, and transactions. This type of filing is a notification of a major shareholding level crossing a threshold, which corresponds to the category 'Major Shareholding Notification' (MRQ). The document is not an annual report, earnings release, or any other financial report but a regulatory disclosure about share ownership. The length and detail confirm it is the actual notification, not just an announcement or certification.
2026-03-02 English
Change of Director's Interest Notice 2 pages 239.4KB
Director's Dealing Classification · 100% confidence The document is titled 'Appendix 3Y Change of Director’s Interest Notice' and references ASX listing rule 3.19A.2 and section 205G of the Corporations Act. It details a director's personal share transactions, including the number of shares disposed and held after the transaction, the nature of the trade (on-market trade), and dates. This matches the definition of a Director's Dealing report, which reports personal share transactions by company directors and executives (insider trades). The document length is 3623 characters, which is consistent with a detailed notice rather than a brief announcement. There is no indication that this is an annual report, audit report, or any other type of filing. Therefore, the correct classification is Director's Dealing (DIRS).
2026-03-01 English
Change of Director's Interest Notice 3 pages 245.0KB
Director's Dealing Classification · 100% confidence The document is titled 'Appendix 3Y Change of Director’s Interest Notice' and references ASX listing rule 3.19A.2 and section 205G of the Corporations Act. It details changes in a director's relevant interests in securities, including the number of shares held before and after the change, the nature of the change, and the value of the transaction. This type of document is a report of personal share transactions by company directors and executives, commonly known as insider trades. It does not contain financial performance data, management discussion, or other report types. Therefore, it fits the definition of Director's Dealing (DIRS). The document length is 4381 characters, which is consistent with a detailed insider trading notice rather than a full financial report or announcement. Confidence is high due to the clear match with the definition and regulatory references.
2026-03-01 English
Change of Director's Interest Notice 3 pages 243.0KB
Director's Dealing Classification · 100% confidence The document is titled 'Appendix 3Y Change of Director’s Interest Notice' and references ASX listing rule 3.19A.2 and section 205G of the Corporations Act. It details a director's personal share transactions, including the number of shares held before and after the transaction, the nature of the transaction (on-market sale), and the consideration received. There is no financial performance data, earnings information, or report publication. The document is a formal notification of a director's dealing in company shares, which fits the definition of 'Director's Dealing' filings. The document length is 4261 characters, which is consistent with a detailed notice rather than a brief announcement or a full report. Therefore, the correct classification is DIRS (Director's Dealing).
2026-03-01 English
Half Year Accounts (Appendix 4D) 23 pages 1.3MB
Interim / Quarterly Report Classification · 100% confidence The document is titled 'Appendix 4D ASX Half-year information – 31 December 2025' and includes detailed financial statements such as consolidated income statement, statement of comprehensive income, balance sheet, cash flow statement, notes to the financial statements, directors' report, and auditor's review report. It covers a half-year period ending 31 December 2025 and contains substantive financial data and analysis. The presence of an auditor's review report and detailed financial notes confirms this is a comprehensive interim financial report. The document explicitly states it is a half-year report and references the annual report for the full year ended 30 June 2025. This matches the definition of an Interim / Quarterly Report (IR). The document is not a brief announcement or a certification letter, nor is it an annual report or earnings release. Therefore, the correct classification is IR with high confidence.
2026-02-24 English
Operational Update - 25 February 2026 9 pages 896.8KB
Interim / Quarterly Report Classification · 95% confidence The document is titled 'Half Year Operational Update' and dated 25 February 2026, indicating it covers a six-month period. It contains detailed operational progress, technology maturation updates, commercialisation plans, financial highlights including cash and equity raising, and market conditions. The content includes substantive financial and operational data for the half-year period ending 31 December 2025. This matches the characteristics of an Interim / Quarterly Report (IR), which provides comprehensive financial and operational information for a period shorter than a full fiscal year. The document is lengthy (15,000 characters) and contains actual data and analysis, not just an announcement or summary, so it is not a Report Publication Announcement (RPA) or Regulatory Filing (RNS). Therefore, the appropriate classification is Interim / Quarterly Report (IR).
2026-02-24 English

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