Cobalt Blue Holdings Ltd (ASX:COB, OTC:CBBHF) has appointed chief executive officer Andrew Tong to the board as managing director with immediate effect, citing his “comprehensive understanding” of the company’s strategic, operational and visionary goals.
“I am delighted to be appointed to the Cobalt Blue Board and look forward to working with my fellow directors to deliver value for our shareholders. I would also like to express my sincere thanks to Rob for his tremendous contribution to the Company over the years. Rob leaves the Company in a great position and poised for ongoing success,” Tong said.
Orthocell Ltd (ASX:OCC, OTC:ORHHF) delivered record quarterly revenue of A$3 million for the three months to September 30, 2025, up 11% on the June quarter and marking a sixth consecutive record, underpinned by Remplir’s growth in Australia and Singapore. The company closed the quarter with A$27 million in cash and said United States commercialisation is ahead of schedule.
The September result represents an 11% increase over the previous A$2.7 million record and reflects an 11% compound quarterly growth rate since the second quarter of financial year 2024. Material revenue from United States Remplir sales is expected to build during the December 2025 quarter and into the second half of financial year 2026.
Buru Energy Ltd (ASX:BRU, OTC:BRNGF) has completed its Share Purchase Plan (SPP) and a subsequent shortfall placement, raising approximately $2.35 million (before costs) to support activities under its Strategic Development Agreement with Clean Energy Fuels Australia to co-develop the Rafael Gas Project, ahead of binding agreements and a planned Final Investment Decision in the second half of 2026, and for working capital.
“We are very pleased that current shareholders have chosen to take part in the SPP. Along with the funds from the SPP Shortfall Placement and the recently completed Share Placement for $2.1 million, the proceeds will be used for activities that continue to reduce risk and enhance the certainty of success for the Rafael Gas Project, with the goal of generating initial cash flows by 2028," Buru Energy’s CEO Thomas Nador said.
China has tightened export controls on rare earths and other materials critical for advanced tech manufacturing, in a move that appears to be a key bargaining chip ahead of an expected meeting between China’s Xi Jinping and US President Donald Trump this month, the BBC reported on Thursday.
China’s government added five rare-earth elements, including holmium, erbium, thulium, europium, ytterbium, and related magnets and materials, to its existing control list, requiring export licenses.
Northstar Gold Corp. (CSE:NSG) announced that it has signed a Surgical Mining Services Agreement with Novamera to deploy Novamera’s patented Turnkey Surgical Mining technology at the Cam Copper Project, located 18 kilometres southeast of Kirkland Lake, Ontario.
"Executing this agreement with Novamera marks a key milestone in our effort to apply Surgical Mining to provide a low-impact, cost-effective path to evaluate and potentially extract high-grade copper at Cam Copper,” Northstar CEO Brian Fowler said in a statement.
Sintana Energy Inc (TSX-V:SEI, OTCQB:SEUSF) announced that it agreed to acquire Challenger Energy Group PLC in an all-stock transaction valued at about C$83.6 million.
Under the terms of the agreement, Challenger shareholders will receive about 0.4705 common shares of Sintana for each Challenger ordinary share held.
Charbone Hydrogen Corporation (TSX-V:CH, OTCQB:CHHYF) announced that it has completed the dismantling of hydrogen production equipment in Quebec City and that the main components have now been delivered to its Sorel-Tracy site.
The company said the milestone represents a key step toward commissioning its first clean ultra high-purity (UHP) hydrogen production unit, which remains on track to begin operations in November 2025.
Challenger Energy Group PLC (AIM:CEG, OTCQB:BSHPF) shares charged higher on Thursday after it agreed to an all-share acquisition by Sintana Energy Inc (TSX-V:SEI, OTCQB:SEUSF) valuing the London-listed business at around £45 million (or C$84 million).
It will see Challenger shareholders receive 0.4705 new Sintana shares for each share in the AIM-listed company that they own, meaning together they will own around 25% of the combined group.
Petro Matad Limited (AIM:MATD, OTC:PRTDF) shares soared in Thursday's early trade after its Gazelle-1 well, in Mongolia, exceeded expectations during testing, flowing up to 460 barrels of oil per day without artificial lift.
The well is now being prepared for production, with completion and installation of surface facilities underway.
Genflow Biosciences PLC (LSE:GENF, OTCQB:GENFF) shares jumped 88% on Thursday after the longevity-focused biotech firm announced a £440,000 fundraising that it said was more favourable to shareholders than a previously proposed deal.
The company scrapped an earlier subscription agreement announced on 2 October, instead opting for an alternative transaction in which chief executive Eric Leire subscribed for 40 million new shares at 1.1p each, the closing bid price on 8 October.
Tertiary Minerals PLC (AIM:TYM, OTC:TTIRF) has released latest exploration results from Target A1 at its Mushima North project in Zambia, where it has now extended the deposit.
The polymetallic silver-copper-zinc prospect lies 28 kilometres east of the historic Kalengwa copper-silver mine, and recent drilling has intersected broad mineralised zones, including 58 metres at 49 grams per tonne silver, 0.26% copper and 0.16% zinc from 8 metres downhole.
Zephyr Energy PLC (AIM:ZPHR, OTCQB:ZPHRF) has agreed a new investment, picking up a stake in 13 new wells in the US Rocky Mountain region.
The deal is under Zephyr's US$100 million strategic partnership with a US-based investor, and the acquisition will be completed via its Zephyr Hawk LLC vehicle.
Anglo Asian Mining Plc (LSE:AAZ, OTC:AGXKF) has raised its production targets for the year after bringing two new copper and gold mines into operation in Azerbaijan, marking a major step in its shift towards becoming a predominantly copper producer.
The company now expects to produce between 8,100 and 9,000 tonnes of copper and 25,000 to 28,000 ounces of gold in 2025, up sharply from last year’s 377 tonnes of copper and 15,073 ounces of gold.
Kairos Minerals Ltd (ASX:KAI, OTCQB:KAIFF) is gearing up for a new drilling campaign at its Roe Hills Project in Western Australia’s Eastern Goldfields, where a recent review has identified two standout gold targets with strong potential for a maiden resource estimate in 2026.
The 3,000-metre reverse circulation (RC) drilling program will focus on the Terra and Caliburn prospects, both located near major fault zones within the company’s 257-square-kilometre tenement package east of Kalgoorlie.
Altech Batteries Ltd (ASX:ATC, OTC:ALTHF) has reported a major performance milestone for its proprietary Silumina Anodes™ technology, recording 88.5% capacity retention after 500 charge–discharge cycles using a 5% addition of its spherical alumina-coated silicon material.
Repeated testing confirmed more than 88% retention, validating both the reproducibility and stability of the process — the strongest cycling performance achieved so far for Altech’s advanced anode material.
FireFly Metals Ltd (ASX:FFM, TSX:FFM, OTC:MNXMF) has unearthed more exceptional copper and gold grades from its Green Bay Project in Newfoundland, Canada, reinforcing both the scale and quality of its flagship asset.
The latest round of underground drilling at the Ming Mine continues to confirm thick, high-grade Volcanogenic Massive Sulphide (VMS) zones and broad copper-rich Footwall Zone (FWZ) mineralisation, providing a strong foundation for an upcoming Mineral Resource Estimate (MRE) update due later this quarter.
Race Oncology Ltd (ASX:RAC, OTC:RAONF) has appointed Laurence Hurley to its Scientific Advisory Board (SAB), adding a leading figure in the discovery and development of drugs that target DNA-quadruplexes (G4). Hurley will advise on the G4-binding mechanism of RCDS1 (E,E-bisantrene) and support clinical study design for RC220, following Race’s recent identification of a G4-targeting mode of action.
“I am extremely pleased to welcome on behalf of the entire Race team Prof. Hurley to Race’s SAB. His wealth of knowledge about G4 structures and the drugs that target them is unparalleled. He has already provided Race with several key insights as we begin to explore the potential of RCDS1 as a G4-targeting agent and how to best use RC220 in the clinic,” Race Oncology CEO and managing director Dr Daniel Tillett said.