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Cash Flow Statements Reconciliation - Summary of Cash Flow Statements Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
(a) Reconciliation to cash at the end of the year |  |  |  |  |
Cash at bank and in hand |  | $ 48,443 | $ 172,471 | $ 89,189 |
Cash and cash equivalents |  | 48,443 | 172,471 | 89,189 | $ 44,631
(b) Reconciliation of net loss after tax to net cash flows from operations |  |  |  |  |
Net loss for the year |  | (162,791) | (220,242) | (142,521) |
Adjustments for: |  |  |  |  |
Income tax benefit recognized in profit or loss |  | (6,947) | (9,412) | (5,926) |
Net loss of disposal of non-current assets |  | 3 |  |  |
Write off of Property Plant and Equipment |  | 50 |  |  |
Depreciation of non-current assets |  | 7 | 19 | 17 |
Depreciation of right-of-use assets |  | 84 | 84 | 84 |
Interest expense on DFA* (includes amounts to related parties $32,793 (2024: $24,699, 2023: $13,462)) | [1] | 46,457 | 30,263 | 13,462 |
Gain on remeasurement of financial liability - DFA |  | 0 | (387) | (12,302) |
Fair value (gain)/loss on Investor options |  | (28,283) | 11,224 | 0 |
Share-based payments expense |  | 6,128 | 5,085 | 5,835 |
Net foreign exchange differences |  | 1,334 | 107 | 489 |
Adjustments to reconcile profit (loss) |  | 18,833 | 36,983 | 1,659 |
Changes in: |  |  |  |  |
Payables |  | (29,517) | 19,503 | 7,297 |
Receivables |  | 1,007 | (790) | 379 |
Prepayments |  | 3,614 | (1,675) | 6,142 |
Provisions |  | 112 | 266 | 137 |
Net cash flows used in operating activities before tax |  | (168,742) | (165,955) | (126,907) |
R&D tax incentive received |  | 10,398 | 5,926 | 6,299 |
Current US tax paid |  | (300) | (986) |  |
Net cash flows used in operating activities |  | $ (158,644) | $ (161,015) | $ (120,608) |
[1] | Development Funding Agreement ("DFA")

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