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2026-11-06
◂ Monitor BCK ASX

Brockman Mining Limited

DFS Unfunded Developer · Iron Ore · Australia Rating locked: sign in to view v6.2
Last 2026-11-05
A$0.01
1D
—
1M
—
YTD
—
1Y
—
Upside
Locked: sign in to view
Mkt cap
A$92.8M
EV
A$115.5M
Cash
HKD 3.9M
Debt
HKD 126.8M
1 newer ASX announcement not yet reflected in this valuation

Narrative and provenance

Research & Sources

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Chronological evidenceSource-document inventory10 documents
BCK local ASX ordinary-share closeMarket Data · HighExtracted

Required local market-history lookup selected the 25 September 2026 ASX BCK ordinary-share close of A$0.012 with volume 5,057; one calendar day before cutoff.

Document ID
bck-market-price-2026-09-25
Published UTC
2026-09-25T06:00:00Z
Projects
—
Commodities
—
Open original source ↗
Annual Report 2026Results · HighExtracted

Audited FY2026 report confirms no development capex, updated Marillana approvals, 100% Ophthalmia ownership after July surrender, FY2026 losses, cash and obligations.

Document ID
bck-annual-2026-09-17
Published UTC
2026-09-16T22:17:00Z
Projects
marillana · ophthalmia · punda-springs · duck-creek · juna-downs
Commodities
iron_ore
Open original source ↗
Ophthalmia Project - Surrender of JV Interest by PolarisEconomic Arrangement · HighExtracted

Polaris surrendered its Ophthalmia JV interest effective 1 July; Ophthalmia loan discharged; Marillana farm-in remains active.

Document ID
bck-ophthalmia-jv-2026-08-20
Published UTC
2026-08-20T09:14:00Z
Projects
ophthalmia · marillana
Commodities
iron_ore
Open original source ↗
Quarterly Activities and Appendix 5B - 30 June 2026Operations · HighExtracted

Latest quarterly filing confirms no production, stable shares, HK$3.919 million cash and 7.19 quarters of funding including undrawn facilities.

Document ID
bck-quarter-2026-07-30
Published UTC
2026-07-30T08:21:46Z
Projects
marillana · ophthalmia · punda-springs · duck-creek · juna-downs
Commodities
iron_ore
Open original source ↗
Quarterly Activities and Appendix 5B - 31 March 2026Operations · MediumExtracted

Quarterly update showed pre-production status, continued permitting work, and reliance on shareholder facilities.

Document ID
bck-quarter-2026-04-29
Published UTC
2026-04-29T08:07:35Z
Projects
marillana · ophthalmia · punda-springs · duck-creek
Commodities
iron_ore
Open original source ↗
Quarterly Activities and Appendix 5B - 31 December 2025Operations · MediumExtracted

Quarterly project update, capital structure and liquidity disclosure.

Document ID
bck-quarter-2026-01-29
Published UTC
2026-01-29T08:39:09Z
Projects
marillana · ophthalmia · punda-springs · duck-creek
Commodities
iron_ore
Open original source ↗
Quarterly Activities and Appendix 5B - 30 September 2025Operations · MediumExtracted

Quarterly project and liquidity update; Marillana remained pre-FID and there was no mining production.

Document ID
bck-quarter-2025-10-30
Published UTC
2025-10-30T08:22:02Z
Projects
marillana · ophthalmia · punda-springs · duck-creek
Commodities
iron_ore
Open original source ↗
Annual Report 2025Results · HighExtracted

Audited financial, capital, ownership, tenure, resource, reserve, permitting and infrastructure evidence for the iron-ore portfolio.

Document ID
bck-annual-2025-09-18
Published UTC
2025-09-17T22:21:22Z
Projects
marillana · ophthalmia · punda-springs · duck-creek · juna-downs
Commodities
iron_ore
Open original source ↗
Notification of cessation of securities - BCKCorporate Action · MediumExtracted

Notice records expiry or cancellation of all remaining legacy options without exercise.

Document ID
bck-cessation-2025-01-03
Published UTC
2025-01-03T08:37:23Z
Projects
—
Commodities
—
Open original source ↗
Interim ReportResults · LowExtracted

Historical half-year financial and going-concern evidence; later filings supersede its liquidity figures.

Document ID
bck-interim-2023-02-28
Published UTC
2023-02-27T20:51:04Z
Projects
marillana · ophthalmia
Commodities
iron_ore
Open original source ↗
Evidence facts66
bck-2022h-cashCash and cash equivalents

17366000 HKD

2022-12-31
bck-options-expired-2024Legacy options expired or cancelled

83000000 options

2024-12-31
bck-options-outstanding-post-cessationLegacy options outstanding after cessation

0 options

2025-01-03
bck-fy25-sharesIssued fully paid ordinary shares

9280232131 shares

2025-06-30
bck-fy25-cashCash and cash equivalents including time deposits

5274000 HKD

2025-06-30
bck-fy25-borrowingsBorrowings

92461000 HKD

2025-06-30
bck-marillana-resourceMarillana total Mineral Resource inclusive of reserves

1506.3 Mt

2018-05-25
bck-marillana-reserveMarillana Probable Ore Reserve

1013 Mt

2018-05-25
bck-marillana-saleable-productMarillana estimated saleable reserve product

404 Mt

2018-05-25
bck-marillana-yieldModified process flowsheet demonstrated yield

45 % or greater

2023-06-30
bck-marillana-ownershipBrockman ownership in Marillana

50 %

2025-06-30
bck-ophthalmia-resourceOphthalmia Mineral Resource

340.9 Mt at 59.3% Fe

2014-12-01
bck-ophthalmia-ownershipBrockman ownership in Ophthalmia

50 %

2025-06-30
bck-duck-creek-resourceDuck Creek Inferred Mineral Resource

21.6 Mt at 55.91% Fe

2020-08-31
bck-fy25-iron-priceIron ore price impairment reference

94 USD/dmt

2025-06-30
bck-fid-conditionsMarillana final investment decision conditions

Heritage and environmental renewals, mining proposal approval and HanMin infrastructure FID None

2025-09-17
bck-2025q3-cashQuarter-end cash

5339000 HKD

2025-09-30
bck-2025q3-runwayEstimated quarters of funding

6.88 quarters

2025-09-30
bck-2025q4-cashQuarter-end cash

2722000 HKD

2025-12-31
bck-2025q4-runwayEstimated quarters of funding

5.34 quarters

2025-12-31
bck-2025q4-sharesQuoted fully paid shares

9280232131 shares

2025-12-31
bck-2026q1-cashQuarter-end cash

2810000 HKD

2026-03-31
bck-2026q1-undrawnUnused financing facilities

31034000 HKD

2026-03-31
bck-2026q1-runwayEstimated quarters of funding

7.56 quarters

2026-03-31
bck-2026q2-cashQuarter-end cash

3919000 HKD

2026-06-30
bck-2026q2-drawn-facilitiesFinancing facilities drawn

103182000 HKD

2026-06-30
bck-2026q2-undrawnUnused financing facilities

25793000 HKD

2026-06-30
bck-2026q2-runwayEstimated quarters of funding

7.19 quarters

2026-06-30
bck-2026q2-sharesQuoted fully paid shares

9280232131 shares

2026-06-30
bck-2026q2-no-productionMining production and development activity

False None

2026-06-30
bck-oph-surrenderPolaris Ophthalmia interest surrendered

50 %

2026-07-01
bck-oph-ownershipBrockman Ophthalmia ownership after surrender

100 %

2026-07-01
bck-oph-loan-dischargeOphthalmia project loan discharged

1128000 AUD

2026-07-01
bck-mar-jv-remainsMarillana farm-in and JV status

Continuing in full force None

2026-08-20
bck-fy26-sharesIssued fully paid ordinary shares

9280232131 shares

2026-09-11
bck-fy26-cashCash and cash equivalents

3922000 HKD

2026-06-30
bck-fy26-borrowingsNon-current borrowings

126753000 HKD

2026-06-30
bck-fy26-minres-payableNon-current MinRes joint-operation payable

61750000 HKD

2026-06-30
bck-fy26-ophthalmia-payableOphthalmia payable discharged from July

6101000 HKD

2026-06-30
bck-fy26-lossLoss attributable to equity holders

-28783000 HKD

2026-06-30
bck-fy26-operating-cash-flowOperating cash flow

-19605000 HKD

2026-06-30
bck-fy26-explorationExploration and evaluation expenditure

9024000 HKD

2026-06-30
bck-fy26-no-developmentDevelopment capital expenditure

0 HKD

2026-06-30
bck-fy26-marillana-ownershipMarillana ownership

50 %

2026-09-16
bck-fy26-ophthalmia-ownershipOphthalmia ownership

100 %

2026-07-01
bck-fy26-marillana-didMarillana DID Mineral Resource

1404.4 Mt

2026-06-30
bck-fy26-marillana-cidMarillana CID Mineral Resource

101.9 Mt

2026-06-30
bck-fy26-marillana-reserveMarillana Probable Ore Reserve

1013 Mt

2026-06-30
bck-fy26-marillana-productEstimated saleable reserve product

404 Mt

2026-06-30
bck-fy26-ophthalmia-resourceOphthalmia Mineral Resource

340.9 Mt

2026-06-30
bck-fy26-duck-resourceDuck Creek Inferred Mineral Resource

21.6 Mt

2026-06-30
bck-fy26-fid-conditionsMarillana FID conditions

Renewed heritage and environmental approvals, mining proposal approval, HanMin FID None

2026-09-16
bck-fy26-hanmin-pendingHanMin infrastructure FID

Pending access, native title, government approvals and PPA agreement None

2026-09-16
bck-fy26-construction-timeEstimated infrastructure construction duration

26 months

2026-09-16
bck-fy26-shareholder-rateSubstantial shareholder borrowing rate

17 % per annum

2026-06-30
bck-fy26-shareholder-maturitySubstantial shareholder borrowing maturity

2027-12-31 None

2026-09-16
bck-fy26-minres-payable-maturityMarillana joint-operation payable maturity

2027-09-30 None

2026-09-16
bck-fy26-pol-loanPolaris Marillana loan face advance

10000000 AUD

2026-06-30
bck-fy26-nwioa-stakeNWIOA Ops joint-venture interest

37 %

2026-06-30
bck-fy26-plant-yieldModified flowsheet test yield

50 %

2026-09-16
bck-fy26-social-consultationTraditional Owner consultation

Ongoing with Banjima and Nyiyaparli; further planning through CY2026 None

2026-09-16
bck-market-close-2026-09-25ASX BCK raw close

0.012 AUD/share

2026-09-25
bck-market-adjusted-close-2026-09-25ASX BCK adjusted close

0.012 AUD/share

2026-09-25
bck-market-volume-2026-09-25ASX BCK daily volume

5057 shares

2026-09-25
bck-market-provider-2026-09-25Market-data provider

market data provider via miners.collect_stock_prices None

2026-09-25
bck-market-security-2026-09-25Quoted security basis

one ASX BCK ordinary share None

2026-09-25
Conflicts requiring judgment3
  • Ophthalmia ownership

    The August 2026 surrender is effective 1 July 2026 and supersedes the prior 50% interest.

  • June 2026 cash balance

    The Appendix 5B reports HK$3.919m and audited year-end cash HK$3.922m, a HK$3,000 reporting difference. Audited balance is used in the equity bridge; Appendix 5B amount remains the denominator for its runway calculation.

  • June 2026 drawn facilities versus audited borrowings

    Appendix 5B drawn financing facilities of HK$103.182m and audited HK$126.753m borrowings use different reporting bases. The audited amortised-cost carrying value is used for the equity bridge; facility capacity is used only for liquidity.