Companies / CDT

CASTLE MINERALS LIMITED

ASX:CDTMaterials
177.1M shares on issueASX (delayed) · as of 28 July 2026$0.075price · delayed$12.8Mmarket cap · indicative
F
Dilution grade

Runway under 2 quarters; share count grew 107% in 24 months; 3 cash raises in 24 months

Cash runway1.8 quarters of funding
Share-count growth (24m)107.0%
Raise cadence (24m)3 cash raises
Options & rights overhang23.2% of sharesconsolidation-adjusted
In-the-money supply14.9% of sharesconsolidation-adjusted
Pending proposed issuesopen proposed issue (Appendix 3B)

CASTLE MINERALS LIMITED's ordinary share count grew 107.0% between June 2024 and May 2026, to 177M shares; this figure is adjusted for a consolidation completed in April 2025 (approximately 1-for-14.4 share consolidation). The company raised capital three times in the 24‑month window for total proceeds of A$8.6M, most recently raising A$3.3M in August 2025. Options and rights could convert into 41M new shares, equal to 23.2% of the current share count, of which 15% are in the money at the current share price; the nearest expiry is October 2026 and these option figures are consolidation adjusted. At the March 2026 quarter the company reported A$1.3M in cash, covering 1.8 quarters. No proposed securities issues (Appendix 3B) are pending.

AI-generated summary of this page's cited filings · updated 28 July 2026
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23.2%
Max option dilution
14.9%
ITM option dilution
1
Raises · last 12 months
1.8 qtrs
Cash cover · under 2 quarters

Shares on issue — last 2 years

Ordinary shares on issue
Weekly counts from ASX records. Dots mark cash capital raises. Adjusted for the 1-for-14.4 consolidation (14 Apr 2025). Latest count 177.1M per ASX (delayed) (28 July 2026).
128.8M146.6M164.3MDec 24Sept 25July 261-for-14.4 consolidationCash raise · 18 Aug 2025Cash raise · 26 Feb 2025

Cash runway

1.8 qtrs
Less than two quarters of funding at the recent spend rate — near-term funding pressure.
$1.3M available cash at quarter ended 31 Mar 2026 · Runway is computed from Appendix 4C/5B filings and announced raise proceeds.
Paid plan
Cash runway history
Quarterly cash, net spend and cover trend from every Appendix 4C/5B on record up to 31 Mar 2026.
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Issuance timeline

Latest 5 filings (Appendix 2A quoted issues, 3G unquoted, 3H cancellations)

DateFormSecurityTotal on issue afterSource
21 July 20263H · cancellationCDT : ORDINARY FULLY PAID177.1MAppendix 3H
25 May 20262A · quoted issueCDT : ORDINARY FULLY PAID177.1MAppendix 2A
17 Dec 20253G · unquotedCDT : ORDINARY FULLY PAID173.4MAppendix 3G
12 Nov 20252A · quoted issueCDT : ORDINARY FULLY PAID173.4MAppendix 2A
31 Oct 20253G · unquotedCDT : ORDINARY FULLY PAID171.3MAppendix 3G
Paid plan
Full issuance history
Every quoted and unquoted issue and cancellation on record, plus unquoted securities (Appendix 4.2).
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Capital raises

3 cash raises in the last 24 months · 1 in the last 12 months

$3.3M
Capital raise
18 Aug 2025
Paid plan
Full raise history
Issue price, discount, brokers, purpose and tranche detail for every raise on record.
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Pending proposed issues

No proposed issues (Appendix 3B) currently pending.

Options & convertible securities

consolidation-adjusted Figures rebased for the share consolidation in the last 24 months.

23.2%
Total overhang · of current shares
14.9%
In the money · at current price
41.1M
Potential new shares
Oct 2026
Nearest expiry
Paid plan
Per-line options & expiry cliffs
Each option line — code, strike, expiry, quantity and ITM value — plus the expiry-cliff chart.
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Director dealings

DateDirectorTypeSharesOptionsValueSource
2 June 2026Matthew HorganBuy250k—$22k3Y notice
21 May 2026Matthew HorganBuy350k—$24k3Y notice
20 May 2026Steven ZaninovichBuy750k2.0M$51k3Y notice
Paid plan
Full dealing history
Every change-of-director's-interest notice on record, with direction and consideration.
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Ownership

Free account
Top-20 holders & substantial holder notices
Top-20 register snapshot and substantial-holder movements, each linked to its source notice.
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Latest announcements

21 July 2026Notification of cessation of securities - CDT
22 June 2026$PUS$3m Historical Dataset Fast Tracks Nielle Drill Targeting
3 June 2026Change of Director's Interest Notice (Horgan)
25 May 2026Notice Given Under Section 708A(5) of the Corporations Act
25 May 2026Application for quotation of securities - CDT
25 May 2026Completion of Meekasan Acquisition
22 May 2026Castle's Investor Presentation
22 May 2026Change of Director's Interest Notice (Grove)
22 May 2026Change of Director's Interest Notice (Horgan)
21 May 2026Change of Director's Interest Notice (Zaninovich)
19 May 2026Proposed issue of securities - CDT
19 May 2026$PTransformational High-Grade Nielle Gold Acquisition CDI
14 May 2026$PTrading Halt
29 Apr 2026Proposed issue of securities - CDT
15 Apr 2026$PQuarterly Activities/Appendix 5B Cash Flow Report
16 Mar 2026Half Year Accounts
6 Mar 2026Final Director's Interest Notice (Niare)
5 Mar 2026Becoming a substantial holder
2 Mar 2026$PCastle Expands Murchison Gold Footprint & Board Changes
28 Jan 2026$PQuarterly Activities/Appendix 5B Cash Flow Report

Headlines link to the source PDFs on the ASX announcements platform. Data as of 28 July 2026.