Orosur Mining Inc. reports as a minerals explorer and developer with operations in Colombia and Argentina. Company news centers on exploration at the 100%-owned Anzá Project in Colombia, including Pepas deposit mineral-resource work, NI 43-101 technical reporting, soil sampling, aeromagnetic surveys, and drilling across targets such as El Cedro and APTA.
Recurring updates also cover Argentine exploration at the El Pantano Project, quarterly financial results and MD&A filings, common-share issuances tied to warrant or RSU exercises, and total voting-rights disclosures for its AIM and TSX Venture-listed shares.
Orosur Mining (TSXV:OMI / AIM:OMI) (OTC:OROXF) filed a six-month block listing return under Rule 29 and Schedule Six of the AIM Rules covering 14 July 2025 to 14 January 2026. The filing shows a opening balance of unallotted unlisted warrants of 15,203,116, increases applied of 19,586,444, and 15,036,912 securities issued/allotted during the period. The closing balance of unallotted securities under the scheme at period end is 19,752,648. Contact listed is Louis Castro; additional corporate and broker contact details are provided.
Orosur Mining (TSXV:OMI / AIM:OMI, ticker OROXF) reported strong infill drill results at the Pepas prospect, including PEP073: 104.45m @ 5.96 g/t Au, PEP074: 71.35m @ 6.46 g/t Au and PEP072B: 47.60m @ 3.43 g/t Au. The Pepas assay database has been closed and handed to resource consultants and MRE modelling is underway. The company has begun planning for a feasibility process and restarted regional drilling after the break with a new rig on site. Two major exploration applications converted to granted Titles, increasing granted area by ~65% to 173 km2.
Orosur Mining (AIM:OMI, TSXV:OMI / OROXF) confirms its total voting rights and issued share capital following recent option exercises. After Admission of 666,664 common shares on 16 December 2025, the company has 392,689,176 common shares in issue.
No warrants were exercised and no further common shares were issued from the block listing during December. Shareholders may use 392,689,176 as the denominator for Disclosure and Transparency Rules notifications under the FCA.
Orosur Mining (AIM:OMI, TSXV:OMI | SYMBOL: OROXF) announced that at its Annual General Meeting on 17 December 2025 all resolutions were passed. Shareholders representing 80,362,529 of 392,022,512 outstanding common shares (≈20.5%) voted.
Key AGM outcomes included setting the board size at four directors and the election of Louis Castro, Bradley George, Thomas Masney and Nick von Schirnding, appointment of Baker Tilly WM LLP as auditors, and approval of an Amended and Restated Equity Incentive Plan. Voting percentages ranged from 97.74% to 99.98% for passed items.
The company will hold a live Investor Q&A with Chairman Louis Castro and CEO Brad George on 18 December 2025 at 5:30 pm UK time; registration is via the Investor Meet Company platform.
Orosur Mining (OTC:OROXF) issued 666,664 common shares following consultant option exercises at an exercise price of C$0.06, representing 0.17% of issued share capital. Admission to trading on AIM is expected at 8:00am UK time on or around December 15, 2025. The company's external CFO, Omar Gonzalez, exercised 166,666 options and now holds 166,666 shares (≈0.04%). After Admission the company will have 392,689,176 shares outstanding and 2,755,004 options remaining.
Orosur Mining (TSXV:OROXF) reported progress toward a Pepas MRE after assays from five Pepas holes showed a highlight of PEP067: 83.7m @ 4.29 g/t Au from surface. Resource modelling and an NI 43-101 technical report are underway with consultant QAQC visits completed and an MRE targeted for January 2026. A PQ hole was drilled and samples sent to ALS in British Columbia for metallurgical testing.
At El Pantano (Argentina) early reconnaissance drilling (7 holes) has visually confirmed a low-sulphidation epithermal mineral system; 5 hole pulps sent to Alex Stewart for fire assay, with program due to complete by end January 2026. JV earn-in: Orosur holds 51% and can earn an additional 49% by spending US$2m to Feb 2027.
Orosur Mining (AIM/TSXV: OROXF) advises that during November 2025 it issued 500,000 new common shares following the exercise of 500,000 warrants for total consideration of US$24,700. After Admission, the company's issued share capital is 392,022,512 common shares, which shareholders should use as the denominator to calculate voting rights and FCA Disclosure and Transparency notification thresholds. The company reports it has 19,752,648 warrants outstanding. Contact and regulator-details are provided in the announcement.
Orosur Mining (TSX-V:OROXF / AIM:OROXF) posted its Notice of Annual and Special Meeting, Management Information Circular and proxy forms online and by PDF. The AGM will be held on 17 December 2025 at 12:30pm GMT at SP Angel Corporate Finance, London; shareholders are encouraged to vote by proxy.
The company will host a live Investor Q&A on 18 December 2025 at 5:30pm GMT via the Investor Meet Company platform with Executive Chairman Louis Castro and CEO Brad George. Investors may register free, submit questions pre-event until 1pm GMT on 17 December 2025, or ask during the live session. Contact details and registration links are provided on the company website.
Orosur Mining (OTC:OROXF) announced on 4 November 2025 the issuance of 4,358,332 common shares following exercises of 3,123,332 RSUs and 1,280,000 options, representing 1.13% of issued share capital.
Key director exercises: Brad George 1,350,000 RSUs; Thomas Masney 200,000 RSUs; Joaquin Sarroca 521,666 RSUs; Nick von Schirnding 300,000 options (cashless, CAD$0.06 → 255,000 shares).
After Admission the company will have 391,522,512 shares outstanding, 3,421,668 options and 9,150,000 RSUs outstanding.
Orosur Mining (OTC:OROXF) announced that during October 2025 it issued 2,000,256 new common shares following the exercise of 2,000,256 warrants for total consideration of US$112,381. After Admission the company's issued share capital is 387,164,180 common shares, and 20,252,648 warrants remain outstanding.
Shareholders should use 387,164,180 as the denominator when calculating voting rights and whether they must notify changes under the FCA Disclosure and Transparency Rules. Contact and market disclosure details were provided, and the company said the information constituted inside information under MAR.