Companies / MIO

MACARTHUR MINERALS LIMITED

ASX:MIOMaterials
371.7M shares on issueASX (delayed) · as of 28 July 2026$0.023price · delayed$8.5Mmarket cap · indicative
C
Dilution grade

Share count grew 116% in 24 months; 3 cash raises in 24 months; options/rights overhang 37% of shares

Cash runway16.0 quarters of funding
Share-count growth (24m)116.0%
Raise cadence (24m)3 cash raises
Options & rights overhang37.4% of shares
In-the-money supply0.0% of shares
Pending proposed issuesnone

MACARTHUR MINERALS LIMITED's ordinary share count grew 116.0% between April 2024 and June 2026, to 372M shares. The company raised capital three times in that period for total disclosed proceeds of A$3.5M, most recently A$1.2M in March 2026. Options and rights on issue could convert into 139M new shares, equal to 37.4% of the current share count, with 0% of current shares in the money and the nearest expiry in July 2026. At the March 2026 quarter the company reported A$1.9M in available cash, equivalent to 16.0 quarters of cover at its recent spending rate. 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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37.4%
Max option dilution
0.0%
ITM option dilution
1
Raises · last 12 months
16.0 qtrs
Cash cover · over 4 quarters

Shares on issue — last 2 years

Ordinary shares on issue
Weekly counts from ASX records. Dots mark cash capital raises. Latest count 371.7M per ASX (delayed) (28 July 2026).
235.8M285.7M335.6MDec 24Sept 25July 26Cash raise · 26 Mar 2026Cash raise · 22 May 2025Cash raise · 19 May 2025

Cash runway

16.0 qtrs
More than four quarters of funding at the recent spend rate.
$1.9M 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
17 June 20262A · quoted issueMIO : ORDINARY FULLY PAID371.7MAppendix 2A
7 Apr 20262A · quoted issueMIO : ORDINARY FULLY PAID368.4MAppendix 2A
7 Apr 20263G · unquotedMIO : ORDINARY FULLY PAID318.4MAppendix 3G
26 Mar 20263H · cancellationMIO : ORDINARY FULLY PAID318.4MAppendix 3H
6 Nov 20252A · quoted issueMIO : ORDINARY FULLY PAID318.4MAppendix 2A
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

$1.3M
Capital raise
26 Mar 2026
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

37.4%
Total overhang · of current shares
0.0%
In the money · at current price
138.9M
Potential new shares
July 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
13 July 2026Cameron Hugh McCallBuy72k913k$2k3Y notice
13 July 2026Alan Spence PhillipsBuy128k854k$3k3Y notice
8 July 2026Cameron Hugh McCallBuy——$1k3Y 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

14 July 2026Board Changes
14 July 2026Change of Director's Interest Notice (A Phillips)
14 July 2026Change of Director's Interest Notice (C McCall)
12 July 2026Change of Director's Interest Notice (A Phillips)
12 July 2026Change of Director's Interest Notice (C McCall)
29 June 2026Appendix 4G and Corporate Governance Statement
29 June 2026Annual Report to 31 March 2026
17 June 2026Cleansing Notice
17 June 2026Application for quotation of securities - MIO
3 June 2026$PMacarthur Consents to Gold Valley Destec JV Arrangement
29 Apr 2026$PQuarterly Activities Report period ended 31 March 2026
29 Apr 2026$PAppendix 5B Quarter Ended 31 March 2026
29 Apr 2026Form 604 Change in Substantial Holding (Copulos Group)
20 Apr 2026Change of Auditor
16 Apr 2026$PResponse to ASX Query Letter
16 Apr 2026Form 604 Change in Substantial Holding (Gold Valley)
15 Apr 2026Change of Director's Interest Notice (A Phillips)
8 Apr 2026$PPoW Approval Secured to Support Bulk Sampling at Lake Giles
8 Apr 2026Form 603 Initial Substantial Holding (Wyatt Group)
7 Apr 2026Change of Director's Interest Notice (C McCall)

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