Skip to main content
HYDROCARBON DYNAMICS LIMITED logo

HYDROCARBON DYNAMICS LIMITED — Investor Relations & Filings

Ticker · HCD ISIN · AU0000074742 ASX Manufacturing
Open in API
Filings indexed 1,117 across all filing types
Latest filing 2025-10-01 Major Shareholding Noti…
Country AU Australia
Listing ASX HCD

About HYDROCARBON DYNAMICS LIMITED

https://www.hydrocarbondynamics.com

Hydrocarbon Dynamics Limited is a technology company specializing in the development and commercialization of high-performance chemical solutions for the oil and gas sector. The company’s core offering is its proprietary HCD Multi-Flow technology, a specialized chemical treatment designed to improve flow assurance and enhance oil recovery. This technology functions by reducing the viscosity of heavy crude oil and preventing the deposition of paraffin, wax, and asphaltenes in production tubing, flowlines, and storage tanks. By optimizing fluid dynamics, these solutions minimize the requirement for mechanical intervention, heating, or expensive diluents. The company focuses on providing environmentally sustainable, non-toxic, and biodegradable alternatives to traditional oilfield chemicals, targeting upstream producers and midstream operators seeking to increase operational efficiency and reduce production costs.

Recent filings

Filing Released Lang Actions
Becoming a substantial holder - Correction 3 pages 536.7KB
Major Shareholding Notification Classification · 100% confidence The document is titled 'Form 603' and references the Corporations Act 2001 Section 671B Notice of initial substantial holder. It details the substantial shareholding of Mr Geoff Barnes in Hydrocarbon Dynamics Limited, including voting power, relevant interests, registered holders, consideration paid, and associates. This type of filing is a notification of a major shareholding or change in significant ownership levels, which aligns with the definition of Major Shareholding Notification (MRQ). The document is not a financial report, management report, or any other type of corporate filing but specifically a substantial holder notice under Australian law.
2025-10-01 English
Ceasing to be a substantial holder 2 pages 123.6KB
Major Shareholding Notification Classification · 100% confidence The document is a Form 605 filed under the Corporations Act 2001 Section 671B, titled 'Notice of ceasing to be a substantial holder.' It details changes in relevant interests and voting securities of a substantial holder in a company. This type of filing is a notification of changes in significant share ownership levels, which aligns with the definition of Major Shareholding Notification (MRQ). The document is not a financial report, earnings release, or management report, but a regulatory notice about shareholding changes.
2025-09-30 English
Becoming a substantial holder 3 pages 161.5KB
Major Shareholding Notification Classification · 100% confidence The document is a Form 603 under the Corporations Act 2001 Section 671B, which is a Notice of Initial Substantial Holder. It details the substantial shareholding of Spring Street Holdings Pty Ltd in Hydrocarbon Dynamics Limited, including voting power, relevant interests, registered holders, consideration paid, and associates. This type of filing is a notification of a major shareholding change, specifically the crossing of a substantial ownership threshold. It is not a financial report, management announcement, or other types of filings. Therefore, it fits the category of Major Shareholding Notification (MRQ). The document length and content confirm it is the actual notification, not just an announcement of a report or a certification.
2025-09-30 English
Becoming a substantial holder 3 pages 524.1KB
Major Shareholding Notification Classification · 100% confidence The document is a Form 603 under the Corporations Act 2001 Section 671B, which is a Notice of Initial Substantial Holder. It details the substantial shareholding of Mr. Geoff Barnes in Hydrocarbon Dynamics Limited, including voting power, relevant interests, registered holders, consideration paid, and associates. This type of filing is a notification of changes in significant share ownership levels, which corresponds to a Major Shareholding Notification. The document is not a financial report, earnings release, or any other type of report but a regulatory disclosure of shareholding information.
2025-09-30 English
Change of Director's Interest Notice x 2 5 pages 347.3KB
Director's Dealing Classification · 100% confidence The document is titled 'Appendix 3Y Change of Director’s Interest Notice' and contains detailed disclosures about changes in securities holdings by company directors, including dates, number of shares acquired, disposed, and the nature of the transactions. It references ASX listing rules and the Corporations Act, indicating it is a regulatory filing related to insider trading or director shareholding changes. The content is focused on personal share transactions by directors, not on financial results, management changes, or other report types. Therefore, this document fits the category of Director's Dealing (DIRS). The document length and detail confirm it is the actual notice, not just an announcement or certification.
2025-09-17 English
Application for quotation of securities - HCD 6 pages 18.1KB
Share Issue/Capital Change Classification · 100% confidence The document is titled 'Appendix 2A - Application for quotation of securities' and is an official announcement from Hydrocarbon Dynamics Limited regarding the application for quotation of securities on the ASX. It details the number and type of securities to be quoted, issue dates, and related information. This type of document corresponds to an announcement about new securities being quoted on the exchange, which aligns with the category of Share Issue/Capital Change (SHA). The document is not a full financial report, earnings release, or regulatory filing but specifically an application for quotation of securities, which is a capital change event.
2025-09-16 English

Browse filings by year

21 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.