Vault Minerals Limited (ASX:VAU): What Did the September Quarter Show at Leonora?

Sonal Goyal

09 November 2026 06:40 PM AEDT

Vault Minerals Limited (ASX:VAU): What Did the September Quarter Show at Leonora?

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Key Highlights

Vault shares traded at $6.25, up 6.94%, during the 9 November 2026 trading session.
Quarterly gold production was 76,849 ounces, with sales of 79,085 ounces at an average realised price of A$6,023 per ounce.
Group AISC was A$3,529 per ounce for the September 2026 quarter.

Vault Minerals Limited (ASX:VAU) shares were trading at $6.25 during the Trading session on 9 November 2026, up 6.94%. The S&P/ASX 200 index rose 0.10% to 9,029.70 and the S&P/ASX 200 Materials index gained 2.88% to 23,254.80 over the same session. Vault is an Australian gold producer with operations across the Leonora and Mount Monger regions of Western Australia, including the Deflector and Sugar Zone assets.

Latest Development: September Quarter Report on 22 October 2026

Vault's September 2026 quarterly activities report, released on 22 October 2026, reported gold production of 76,849 ounces and gold sales of 79,085 ounces.

Leonora produced 44,467 ounces at an AISC of A$2,885 per ounce. Mount Monger produced 15,320 ounces at A$3,865 per ounce, and Deflector produced 17,062 ounces and 76 tonnes of copper at A$4,987 per ounce.

Deflector's AISC included a $307 per ounce non-cash inventory charge linked to the treatment of stockpiles, according to the release.

Sugar Zone and Growth Projects

Underground operations at Sugar Zone restarted on 1 July 2026. The company said 340 metres of development advance was completed in the quarter, and site manning increased 87% from 30 June 2026.

The Stage 2 KoTH processing Facility upgrade was completed ahead of schedule and on budget. Performance testing was scheduled for late October 2026.

About the Company and Business Overview

Vault's portfolio includes the Leonora, Mount Monger and Deflector operations in Western Australia, along with the Sugar Zone underground.

The company has also announced a proposed Merger with Genesis Minerals, which the Genesis release describes as having the potential to deliver synergies of about A$2 billion.

Sector Context

Gold producers generally face cost pressure from energy, labour and consumables. Stockpile accounting and inventory charges can affect reported unit costs in individual quarters.

Gold rose 1.30% to USD 4,128.20 on 9 November 2026, according to market data for the session.

Risks and What to Watch Ahead

The quarter included a non-cash inventory charge at Deflector, and underground activity at Sugar Zone is still ramping up. The proposed merger is subject to the approvals and conditions that apply to such transactions.

Watch items include Sugar Zone's ramp-up, the KoTH performance testing results, the merger process and the December quarter report.

Final Word

Vault's September quarter report shows gold production and sales of similar scale, an AISC above A$3,500 per ounce and continued restart work at Sugar Zone. The report covers the quarter ended 30 September 2026.

FAQs

Q: What is Vault Minerals' main business?

A: Vault is an Australian gold producer with operations in the Leonora and Mount Monger regions of Western Australia.

Q: When was the quarterly report released?

A: Vault released its September 2026 quarterly activities report on 22 October 2026.

Q: How much gold did Vault produce?

A: Gold production was 76,849 ounces for the quarter.

Q: What is the proposed merger?

A: Vault has announced a proposed merger with Genesis Minerals, which the release says has potential synergies of about A$2 billion.

Q: How did Vault shares trade on 9 November 2026?

A: Vault shares were trading at $6.25, up 6.94%, during the 9 November 2026 trading session.

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