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BCS

Current Report · Items 1.01, 9.01 · 8-K

Quantumsphere Acquisition Corp.

QUMSNASDAQEQUITYCurrent

Entry into a Material Definitive Agreement

Item 1.01. Entry into a Material Definitive Agreement. On March 3, 2026, Quantumsphere Acquisition Corporation (the “Company”) entered into Amendment No. 1 to the Underwriting Agreement (the “Amendment”) with Polaris Advisory Partners, LLC, a division of Kingswood Capital Partners LLC, as representative of the several underwriters (the “Representative”), and Kingswood Capital Partners LLC.…

Filed Mar 11, 2026Accepted Mar 11, 2026, 9:56 AM EDTCIK 2070900Accession 0001829126-26-002191
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Company context

We are a newly formed blank check company incorporated as a Cayman Islands exempted company on July 23, 2024 under the laws of the Cayman Islands with limited liability. We are formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, recapitalization, reorganization or similar business combination with one or more businesses or entities, which we refer to throughout this prospectus as our initial business combination. Our efforts to identify a prospective target business will not be limited to a particular geographic region or industry. We do not have any specific business combination under consideration and we have not (nor has anyone on our behalf), directly or indirectly, contacted any prospective target business or had any substantive discussions, formal or otherwise, with respect to such a transaction with our company. Our ability to identify and evaluate a target company may be impacted by significant competition among other SPACs in pursuing a business combination transaction candidate and the significant competition may impact the attractiveness of the acquisition terms that we will be able to negotiate.

Current securities

Recent company filings

  1. 425 filingOct 13, 2026
  2. Entry into a Material Definitive Agreement · Regulation FD DisclosureOct 13, 2026
  3. SCHEDULE 13G/A - filed by WOLVERINE ASSET MANAGEMENT LLC regarding Quantumsphere Acquisition CorpOct 6, 2026
  4. Termination of a Material Definitive AgreementSep 2, 2026
  5. 10-Q filingAug 14, 2026

Disclosure sections

Items 1.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 1.01Item 1.01 - Entry into Material Agreement
Item 1.01. Entry into a Material Definitive Agreement. On March 3, 2026, Quantumsphere Acquisition Corporation (the “Company”) entered into Amendment No. 1 to the Underwriting Agreement (the “Amendment”) with Polaris Advisory Partners, LLC, a division of Kingswood Capital Partners LLC, as representative of the several underwriters (the “Representative”), and Kingswood Capital Partners LLC. The Amendment amends that certain Underwriting Agreement, dated August 5, 2025, by and between the Company, the Representative and Kingswood Capital Partners LLC, to revise the calculation and payment terms of the deferred underwriting commission. Pursuant to the Amendment, the deferred underwriting commission will be payable from the trust account upon consummation of the Company’s initial business combination and will equal 4.00% of the gross proceeds from the sale of the firm units and option units, subject to a cap equal to 4.00% of the funds remaining in the trust account after giving effect to all properly submitted redemptions in connection with the initial business combination. The Amendment also clarifies that the underwriters may waive the deferred underwriting commission prior to the consummation of the Company’s initial business combination. The foregoing description of the Amendment is qualified in its entirety by reference to the full text of the Amendment, which is filed as Exhibit 10.1 hereto and incorporated herein by reference.

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