CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 27, 2025	Dec. 28, 2024
Assets
Cash	$ 7,318	$ 7,177
Trade and other receivables, net	1,002	330
Digital assets receivable	27,749	23,776
Prepaid expenses	2,991	1,518
Other current assets	5,543	0
Current assets from discontinued operations	205	2,200
Total current assets	44,808	35,001
Property and equipment, net	29	0
Right of use assets	109	121
Cryptocurrency assets at fair value	1,534,244	0
Intangible assets, net	23,926	18,674
Goodwill	20,131	11,714
Other assets from discontinued operations	16,781	16,926
Total assets	1,640,028	82,436
Liabilities:
Accounts payable	4,011	3,231
Accrued liabilities - other	8,780	2,553
Digital assets payable	31,843	30,918
Convertible debentures	563	563
Operating lease liabilities	11	10
Current liabilities from discontinued operations	2,718	2,850
Total current liabilities	56,397	40,937
Deferred income taxes, net	14,914	1,041
Notes payable	8,655	11,570
Operating lease liabilities	107	113
Other noncurrent liabilities	17	108
Noncurrent liabilities from discontinued operations	0	0
Total liabilities	80,090	53,769
Commitments and contingencies (Note 9)
Mezzanine equity
Convertible preferred stock, series S - par value $0.001 per share 200,000 authorized, 100,000 shares issued and outstanding at September 27, 2025 and December 28, 2024	3,900
Stockholders' equity:
Common stock, par value $0.001 per share, 200,000,000 shares authorized,126,089,629 and 15,417,693 shares issued and outstanding at September 27, 2025 and at December 28, 2024, respectively	117	9
Accumulated other comprehensive loss	5,204	(2,317)
Additional paid-in capital	1,550,088	62,207
Accumulated deficit	(19,893)	(56,879)
Equity attributable to ALT5 Sigma Corporation shareholders	1,552,882	20,886
Noncontrolling interest	3,200	3,925
Total liabilities and stockholders' equity	1,640,028	82,436
Preferred stock, series A - par value $0.001 per share 2,000,000 authorized, 0 and 23,480 shares issued and outstanding at September 27, 2025 and December 28, 2024, respectively
Stockholders' equity:
Preferred stock	0	0
Preferred stock, series B - par value $0.001 per share, 34,250 authorized, 34,207 shares issued and outstanding at September 27, 2025 and December 28, 2024
Stockholders' equity:
Preferred stock	8,552	8,552
Convertible preferred stock, series I - par value $0.001 per share, 2,000,000 authorized, 17,000 shares issued and outstanding at September 27, 2025 and December 28, 2024
Stockholders' equity:
Preferred stock	0	0
Preferred stock, series M - par value $0.001 per share, 3,200 authorized, 0 and 3,200 shares issued and outstanding at September 27, 2025 and December 28, 2024, respectively
Stockholders' equity:
Preferred stock	0	0
Preferred stock, series Q - par value $0.001 per share, 2,000,000 authorized, 732,460 and 925,212 shares issued and outstanding at September 27, 2025 and December 28, 2024, respectively
Stockholders' equity:
Preferred stock	821	1,321
Convertible preferred stock, series S - par value $0.001 per share 200,000 authorized, 100,000 and 100,000 shares issued and outstanding at September 27, 2025 and December 28, 2024, respectively
Mezzanine equity
Convertible preferred stock, series S - par value $0.001 per share 200,000 authorized, 100,000 shares issued and outstanding at September 27, 2025 and December 28, 2024	3,856	3,856
Stockholders' equity:
Preferred stock	7,993	7,993
Convertible preferred stock, series V - par value $0.001 per share, 125,000 authorized, 0 and 5,000 shares issued and outstanding at September 27, 2025 and December 28, 2024, respectively
Stockholders' equity:
Preferred stock	0	0
Nonrelated Party
Liabilities:
Related party notes payable and advances	8,318	0
Related Party
Liabilities:
Related party notes payable and advances	$ 153	$ 812