Segment Information (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2025

Dec. 31, 2024

Dec. 31, 2024

Segment Reporting Information [Line Items]

Schedule of operating expenses

	For the Three Months ended
	September 30,
	2025		2024
Research and development costs	$	3,361,858	$	1,248,189
General and administrative expenses		4,749,399		1,125,121
Other significant non-cash items:
Depreciation and amortization		287,095		316,711
Total Operating Expenses	$	(8,398,352)	$	(2,690,021)

	For the Nine Months ended
	September 30,
	2025		2024
Research and development costs	$	6,211,043	$	3,755,549
General and administrative expenses		11,569,376		3,546,510
Other significant non-cash items:
Depreciation and amortization		665,832		1,015,118
Total Operating Expenses	$	(18,446,251)	$	(8,317,177)

	For the year ended
	December 31,
	2024		2023
Research and development costs	$	5,176,932	$	7,152,913
General and administrative expenses		4,168,576		5,274,603
Other significant non-cash items:
Depreciation and amortization		1,256,391		1,829,997
Total Operating Expenses		10,601,899		14,257,513
Revenue		248,357		18,614
Total other items		(1,110,903)		74,792
Income tax (expense) benefit		(20,965)		356,437
Net loss	$	(11,485,410)	$	(13,807,670)

HCM II Acquisition Corp

Segment Reporting Information [Line Items]

Schedule of operating expenses

When evaluating the Company’s performance and making key decisions regarding resource allocation, the CODM reviews several key metrics included in net income and total assets, which include the following:

	September 30,		December 31,
	2025		2024
Marketable Securities held in trust account	$	242,642,972	$	235,193,585
Cash	$	350,389	$	668,089

							For the
							Period
							from
	For the		For the		For the		April 4,
	Three		Three		Nine		2024
	Months		Months		Months		(Inception)
	Ended		Ended		Ended		Through
	September 30,		September 30,		September 30,		September 30,
	2025		2024		2025		2025
Net income	$	1,927,839	$	1,071,221	$	3,218,865	$	1,018,558
General and administrative expenses	$	1,638,082	$	278,494	$	4,230,522	$	331,157
Interest earned on marketable securities held in Trust Account	$	2,508,797	$	1,349,715	$	7,449,387	$	1,349,715

When evaluating the Company’s performance and making key decisions regarding resource allocation, the CODM reviews several key metrics included in net income and total assets, which include the following:

	December 31,
	2024
Trust Account	$	235,193,585
Cash	$	668,089

	December 31,
	2024
Net income (loss)	$	3,408,788
General and administrative expenses	$	634,797
Interest earned on marketable securities held in Trust Account	$	4,043,585