Crypto miner Sphere 3D may face roughly $2.2 million in additional U.S. tariffs, excluding interest, related to Bitcoin mining equipment purchased in 2022 through a subsidiary it currently owns.
In an Aug. 24 regulatory filing, the company disclosed that U.S. Customs and Border Protection (CBP) classified the hardware as originating from China. Sphere 3D challenged this determination, calling the allegations “meritless” and announcing its intention to formally protest the assessment.
The filing referenced seller-submitted import paperwork, including a certificate of origin and a certificate of manufacture asserting the miners were not of Chinese origin. However, the document did not specify which subsidiary or third-party seller was involved, nor did it identify the exact miner models, import entries, or country of origin claimed by Sphere 3D.
Additionally, the filing omitted key procedural details such as the catalyst for CBP’s review, the timeline for the potential protest, or whether the company has already accrued, paid, or bonded any portion of the disputed amount. Statutory interest charges were also left unquantified.
Financial Impact of Potential Tariff Liability
As of June 30, Sphere 3D reported more than $2.8 million in cash and just $0.2 million in working capital, alongside approximately $5.9 million in current liabilities. The firm also held 20.5 BTC valued at nearly $1.2 million. Against this backdrop, the proposed $2.2 million tariff liability—excluding interest—represents approximately 77% of its cash reserves and over 11 times its working capital balance.
Fortunately, Sphere 3D later secured an additional $1.7 million in funding via its at-the-market (ATM) equity program, helping to ease some immediate liquidity pressures. Still, the company noted significant cash burn during the first half of the year, using over $9 million in operating activities while generating nearly $5.3 million from Bitcoin sales and more than $2.4 million in net financing proceeds.
Despite these efforts, management reiterated concerns about ongoing losses and negative operating cash flow, citing “substantial doubt” regarding its ability to sustain operations without further capital raises.
A subsequent ATM prospectus granted Sphere 3D authorization to issue up to $10.3 million in additional shares, though actual sales remain discretionary and contingent on market conditions.
Under federal customs regulations, importers typically have 180 days from the date of liquidation or reliquidation to file a protest. While Sphere 3D has indicated plans to pursue this route, the specific deadline and triggering event for the CBP review were not disclosed in public records.
In a prior 2022 disclosure, Sphere 3D mentioned that 4,000 S19j Pro miners arrived in July and were temporarily held pending verification of supplier documentation. Approximately 540 units were released the following month. That report linked the transaction to FuFu Technologies (BitFuFu), but no direct connection has been established between those shipments and the 2026 tariff dispute.
The company continues to operate under the name Sphere 3D and trades under the ticker ANY. Plans to rename the entity to DarkHorse Technologies and adopt the DRK ticker are still pending regulatory approval.
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