Source-grounded facts extracted from Quantumsphere Acquisition Corp's SEC 8-K filings across all families, newest first. Each cites a verbatim SEC excerpt.
Quantumsphere Acquisition Corp amended Amendment No. 1 to the Underwriting Agreement with Polaris Advisory Partners, LLC (as representative of the several underwriters) and Kingswood Capital Partners LLC (effective 2026-03-03).
“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.”
Material Agreements
Quantumsphere Acquisition Corp entered into subscription agreement with an individual investor valued at $100,000 (effective 2026-01-13).
“On January 13, 2026, SACH Pte. Ltd. also entered into a separate subscription agreement with an individual investor, pursuant to which such investor agreed to purchase 103 ordinary shares of SACH Pte. Ltd. at a purchase price of $973.16 per share, for aggregate gross proceeds of $100,000.”
Material Agreements
Quantumsphere Acquisition Corp entered into subscription agreement with Cypress Innovations Limited valued at $2,000,000 (effective 2026-01-13).
“On January 13, 2026, SACH Pte. Ltd., the Company’s target in its previously announced business combination, entered into a subscription agreement with Cypress Innovations Limited, pursuant to which Cypress Innovations Limited agreed to purchase 2,055 ordinary shares of SACH Pte. Ltd. at a purchase price of $973.16 per share, for aggregate gross proceeds of $2,000,000.”
Governance Changes
Quantumsphere Acquisition Corp: Adopted Third Amended and Restated Memorandum and Articles of Association (effective 2025-08-05).
“On August 5, 2025, the Company adopted its Third Amended and Restated Memorandum and Articles of Association.”
Facts are extracted by an LLM and gated to those whose source quote is present verbatim in the filing text. Coverage is best-effort while backfill and monitoring mature; this is not yet a full-market index. See methodology.