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Related party transactions (Tables) | 3 Months Ended
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Mar. 31, 2026
Related Party Transactions [Abstract] |
Schedule of transactions between the Company and significant related parties | The following table summarizes transactions between the Company and significant related parties.
| Balance outstanding as at |  | Transactions for the three months ended March 31, |  |
| March 31, 2026 |  | December 31, 2025 |  | 2026 |  | 2025 |  |  |  |
Total Expenses |  |  |  |  |  |  |  |  |  |  |
Global Mining (Note a) | $ | — |  |  | $ | 649 |  |  | $ | — |  |  | $ | 771 |  |  |  |  |
Ivanhoe Capital Aviation (Note b) | — |  |  | — |  |  | — |  |  | 250 |  |  |  |  |
High Water Holding Company (Note b) | — |  |  | 250 |  |  | 250 |  |  | — |  |  |  |  |
I-Pulse (Note c) | — |  |  | — |  |  | — |  |  | 617 |  |  |  |  |
JCHX Mining Management Co., Ltd (Note e) | — |  |  | 1,500 |  |  | — |  |  | — |  |  |  |  |
Total | $ | — |  |  | $ | 2,399 |  |  | $ | 250 |  |  | $ | 1,638 |  |  |  |  |
Revenue and accounts receivable |  |  |  |  |  |  |  |  |  |  |
Maaden Joint Venture (Note d) | $ | 100 |  |  | $ | — |  |  | $ | 529 |  |  | $ | 600 |  |  |  |  |
Advances |  |  |  |  |  |  |  |  |  |  |
Global Mining (Note a) | 283 |  |  | 422 |  |  | — |  |  | — |  |  |  |  |
Maaden Joint Venture (Note d) | 237 |  |  | 141 |  |  | — |  |  | — |  |  |  |  |
Deposit |  |  |  |  |  |  |  |  |  |  |
I-Pulse (Note c) | $ | 1,573 |  |  | $ | 1,573 |  |  | $ | — |  |  | $ | — |  |  |  |  |
| Transactions for the three months ended March 31, |  |
| 2026 |  | 2025 |  |  |  |
Expense classification |  |  |  |  |  |  |
Exploration expenses | $ | — |  |  | $ | 906 |  |  |  |  |
General and administrative expenses | 250 |  |  | 732 |  |  |  |  |
| $ | 250 |  |  | $ | 1,638 |  |  |  |  |
(a)Global Mining Management Corp. (“Global Mining”) is a private company based in Vancouver, Canada, that provided administration, accounting, and other office services to the Company on a cost-recovery basis. Effective October 31, 2025, the Company ended its service relationship with Global Mining and is no longer a shareholder. (b)Ivanhoe Capital Aviation (“ICA”) and High Water Holding Company (“High Water”) are entities beneficially owned by the Company’s Executive Chairman. ICA and High Water provided use of an aircraft to the Company. (c)The Company's Executive Chairman is the Chief Executive Officer and a principal owner of I-Pulse. On October 24, 2022, the Company entered into an agreement with I-Pulse, to purchase six Typhoon™ transmitters. The total purchase price for the six Typhoon™ transmitters is $12.4 million. In October 2022, the Company made deposit payments totaling $7.1 million, representing 50% of each component of the agreement. The remaining payments will be made as each Typhoon™ transmitter system is delivered. As at March 31, 2026, the Company has received four of the Typhoon™ transmitters that are deliverable under the agreement. (d)The Company's majority owned subsidiary, CGI, provides geophysical data processing services to the Maaden joint venture and recognized revenue totaling $0.5 million. At March 31, 2026 the Maaden Joint Venture owes the Company $0.2 million for costs that the Company incurred on behalf of the Maaden Joint Venture related to exploration work in Saudi Arabia. (e)JCHX held 18.2% of Cordoba’s issued and outstanding common stock as at March 31, 2026 (December 31, 2025 - 19.2%). In February 2026, JCHX provided bridge loans to CMH Colombia S.A.S (“CMH”), a subsidiary of Cordoba, totalling $2.5 million. The loan was derecognized upon the Alacrán divestment (Note 12).

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 + Details
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