Quantumsphere Acquisition Corp

The filing characterizes these issuances as target-level financing activities conducted in anticipation of the previously announced business combination. It explicitly notes that no Quantumsphere Acquisition Corporation securities were issued, leaving the SPAC’s trust structure, redemption mechanisms, and shareholder voting thresholds unchanged. Governed by Singapore law with exclusive jurisdiction in Singapore courts, the agreements were signed by Jonathan Zhang, CEO and Executive Director of the target. The simultaneous receipt of fiat and stablecoin proceeds at the target level signals continued operational funding ahead of merger consummation.

The SPAC has transitioned from SEARCHING to having a signed merger agreement. The trust holds $83.3 million ($10.06 per share), with a redemption deadline of February 6, 2027. The merger can be terminated if not closed by July 31, 2026. Management has identified substantial doubt about the company's ability to continue as a going concern due to limited working capital ($444,818 cash) and costs associated with completing the deal. The sponsor has received $500,000 in loans from the target to fund operations.

The newly disclosed finder fee contract immediately deducts $300,000 from the $902,598 in outside-trust working capital and creates a $3,500,000 deal-contingent liability, directly constraining management’s operational runway and capacity to conduct due diligence prior to a merger. The $3,312,000 deferred underwriting commission will be payable exclusively from trust account balances remaining after public redemptions, meaning any substantial redemption activity will mathematically cap the absolute payout to the underwriter and alter final net distributable trust value. The auditor’s going concern qualification underscores that the $902,598 cash reserve may be exhausted before achieving a business combination, elevating liquidation risk if no target merges by the February 7, 2027 expiration. Furthermore, the embedded valuation assumptions reveal that management’s pricing models price in only a 16.8% probability of a successful acquisition and assume a sub-bond share equivalent valuation, signaling execution risk that investors should factor into redemption calculus. Together, these filings allow investors to model post-redemption yields, track sponsor alignment through the $15,000 monthly administrative fee, and monitor the burn rate against the documented $902,598 cash balance.

This 8-K moves QUMS from searching to de-risked. The $300 million enterprise value and $82.8 million in trust proceeds provide SACH with funding. The long-stop date (June 2026) offers ample time. Sponsor and company shareholder support lock in votes and restrict transfers. The filing confirms the target and basic deal terms, enabling investors to begin evaluating the combined company. Redemption mechanics are standard, with a net tangible assets condition. The disclosure of the sponsor and finder agreements, along with a $1.0 million operating account, provides sponsor-conduct context.

This filing establishes the baseline post-IPO trust value ($82.8 million, or $10.00 per public share) and the 18-month combination deadline of February 6, 2027. It also reveals a new and potentially significant financial liability: the finder's agreement with Aspira Capital Consulting LTD, which obligates the SPAC to a $300,000 retainer fee and a $3.5 million success fee. The disclosed internal control weakness regarding the identification and disclosure of commitments and contingencies is a red flag for sponsor conduct, suggesting that management may not have effective processes in place, which could lead to missed or late disclosures regarding material agreements.

This filing establishes the definitive mechanics governing shareholder redemption, trust preservation, and deal pursuit timelines. Per the company’s disclosures, public shareholders retain the right to redeem shares for a pro rata portion of the trust account, which management describes as initially holding $10.00 per public share plus applicable interest net of franchise and income tax obligations. To limit concentrated redemptions, management restricts any single public shareholder from redeeming more than 15% of outstanding public shares without prior corporate consent unless the company opts for tender offer procedures rather than a shareholder meeting. CBIZ CPAs P.C.’s going concern qualification signals zero independent operating runway, meaning failure to finalize a transaction by February 7, 2027 will trigger automatic winding up, dissolution, and liquidation of the trust. Sponsor conduct parameters are contractually defined: Whiteowl Holdings LLC waives redemption rights on founder and private shares, agrees to vote those shares in favor of a business combination, and accepts liability to restore trust value to $10.00 per public share if third-party vendor claims drain funds (excluding executed third-party waivers or Securities Act indemnifications). Additionally, management grants SPAC Advisory Partners a right of first refusal for future transaction advisory roles and authorizes up to $1,500,000 in working capital loans convertible to private units at $10.00 per unit. These terms directly determine post-redemption capital availability for targets, dilution pathways via the 1/7 right conversion structure, and the financial outcomes associated with missing the February 7, 2027 deadline.

This filing sets the trust value at $10.34 per share (including interest) and establishes the 18-month deadline for a business combination. The full exercise of the over-allotment increases the trust size. The lock-up periods and redemption restrictions are now in effect. Investors need to track the deadline and any future extensions. No target has been identified, and the SPAC is now searching.

As defined by the prospectus, this document establishes the foundational economics and timeline for public investors. The $10.00 per-unit trust deposit and 18-month search window create the baseline redemption calendar, while the unlimited extension right introduces a conditional trigger for secondary redemption pricing. According to the filing's dilution calculations, the Sponsor's nominal $25,000 founder share cost generates immediate projected dilution of $9.26 per share (105.8%), though the document notes this assumes maximum redemptions or specific valuation models.

Acceleration signals that SEC staff comments have been resolved and the offering is advancing to pricing and settlement. Timely effectiveness triggers capital inflow into the trust account, shifts the entity into a listed operating framework, and starts the clock on the business-combination search window. The explicit confirmation of Rule 15c2-8 compliance attributes underwriter lock-up and pricing coordination to standard syndicate practice, reducing near-term distribution risk that could otherwise delay funding or force sponsor capital commitments.

THIS FILING IS THE FINAL STEP BEFORE THE IPO CAN CLOSE AND THE COMPANY BEGINS ITS SEARCH. THE MOST INFORMATIVE ASPECT IS THE EXPLICIT, DETAILED CONFLICT-OF-INTEREST DISCLOSURE. THE ENTIRE MANAGEMENT TEAM (CEO PING ZHANG, DIRECTOR NOMINEES QI GONG, WEI ZHANG, DANIEL MCCABE) ALSO SERVES ON THE BOARD OF QUARTZSEA ACQUISITION CORPORATION (NASDAQ: QSEA). CRITICALLY, THE FILING STATES THAT QUARTZSEA'S TARGET SIZE ($180M - $1B) AND IPO SIZE ($60M, UPSIZED TO ~$82M) ARE THE SAME AS QUMS. THE FILING ITSELF ADMITS 'A MATERIAL CONFLICT OF INTEREST EXISTS IN THE SOURCING AND ALLOCATION OF POTENTIAL TARGETS'. THIS MEANS THE SAME PEOPLE ARE SEARCHING FOR TWO DIFFERENT SPACS WITH THE SAME ACQUISITION CRITERIA, CREATING A HIGH RISK OF OPPORTUNITY ALLOCATION CONFLICTS.

This filing materially reshapes the redemption architecture for public shareholders relative to the stated $10.34 trust/share value and the 2027-02-06 deadline. The explicit $5,000,001 net tangible asset floor overrides the prior assumption of maximum redemption, meaning management cannot liquidate the trust down to zero without breaching corporate governance thresholds, thereby forcing either a higher cash-back-to-spender ratio in any proposed merger or supplementary capital raises to preserve the balance sheet.

For investors tracking the 2027-02-06 deadline and the $10.34 per-share trust balance, the SEC’s explicit focus on the $5,000,001 net tangible asset threshold signals that constitutional redemption caps may override prospectus dilution assumptions, creating uncertainty around whether shareholders can fully exit before combination or liquidation. The documented sponsor commitment to fund excise taxes or provide advance liquidity establishes a sponsorship credit backstop that affects perceived sponsorship risk and potential cash demands if tax assessments trigger.

This is the primary offering document for the SPAC's IPO. It sets the trust at $10.00 per public share, an 18-month deadline to complete a business combination, and sponsor ownership of ~26% post-IPO. It discloses material conflicts: the management team also serves as officers/directors of Quartzsea, Yotta, Quetta, and Black Hawk, each of which has executed a definitive merger agreement, creating a conflict in allocating acquisition opportunities. The sponsor paid a nominal price for founder shares, creating incentives to complete any deal. The trust proceeds are invested in U.S. government securities. The company has not identified a target. China-related risks are highlighted. The underwriter will receive a deferred fee of 4% of gross proceeds from the trust upon a business combination.

These prospectus revisions materially reframe the risk-return calculus for shareholders monitoring the trust account and the search-to-combination transition. Explicit acknowledgment that trust interest may be drained for tax obligations lowers the maximum redemption floor, compressing the cash available to close a deal or sustain the listed entity.

An amended S-1 for a pre-IPO SPAC with no target is not typically what an investor tracking deal deadlines focuses on, but this filing is material because it is the first time the final, lower trust ($10.00/share vs. $10.05) and reduced sponsor contribution are public. The trust per-share amount directly sets the redemption floor for any future extension or business combination vote. The reduced sponsor investment lowers the insider capital at risk, potentially affecting the sponsor’s incentive to complete a deal quickly versus liquidating. The going-concern note confirms the SPAC had no operational cash to survive without the IPO. The extensive risk-factor disclosure (proxy for CFIUS, PRC, HFCAA, conflict-of-interest from identical management with sister SPAC Quartzsea) is now on the record for future shareholder litigation or redemption analysis.

The SEC staff notes that management previously disclosed trust interest might fund taxes, but simultaneously claimed trust proceeds cannot cover excise taxes or similar fees; reconciling this determines whether shareholder redemption pools or post-combination capital face reduction. The staff identifies a material conflict because Quantumsphere and Quartzsea share executive officers and directors while simultaneously pursuing identical $180 million to $1 billion enterprise value targets through separate $60 million offerings, raising concerns over opportunity prioritization.

The S-1 defines the redemption mechanics: public shareholders can redeem shares at $10.05 per share (trust value) upon completion of a business combination. The trust is set at $10.05 per unit sold. The company has 18 months from the offering closing to complete a deal, with potential extensions subject to shareholder vote. The sponsor (Whiteowl Holdings LLC, controlled by CEO Ping Zhang) holds 2,415,000 founder shares purchased for $25,000 and will buy 245,000 private units at $10.00 each, with an additional 11,250 private units if the over-allotment is exercised. The sponsor's low-cost founder shares ($0.0104/share) create a conflict of interest — the CEO could profit even if the post-combination company declines in value. Multiple directors serve on other SPACs (Quartzsea, Yotta, Quetta, Black Hawk), creating potential conflicts in sourcing deals. The filing highlights significant China-related risks due to management ties to China.

What changed: An SEC Form 8-K current report disclosing the execution of Amendment No. 1 to the Underwriting Agreement dated March 3, 2026. According to the filing, executed by Chief Executive Officer and Chairman Ping Zhang for Quantumsphere Acquisition Corporation, Partner Lewis Silberman for Polaris Advisory Partners, LLC, and Director of Compliance Tyler Bashaw for Kingswood Capital Partners LLC, the amendment revises the deferred underwriting commission terms originally set in the August 5, 2025 agreement. The amended Section 1.3 states the commission equals 4.00% of gross proceeds from Firm Units ($2,880,000) and Option Units (up to $432,000). Payment is restricted to the trust account upon business combination closing, subject to a hard cap of 4.00% of remaining trust funds after redemptions. Each underwriter may unilaterally waive the fee before closing. If the company liquidates without consummating a merger, the underwriters forfeit all claims to the deferred commission, which merges back into the trust estate for pro-rata distribution to public shareholders alongside remaining deposits. Why it matters: This modification directly impacts the cash flow mechanics surrounding the 2027-02-06 business combination deadline by establishing a clear hierarchy of claims against the trust account. Because the underwriter payout is both funded exclusively from trust assets and mathematically capped at 4.00% of post-redemption balances, investor exit behavior directly dictates advisor compensation limits. Furthermore, the explicit forfeiture clause during dissolution removes potential friction over deferred fee claims during liquidation, ensuring maximum transparency regarding how remaining capital is allocated when the SEARCHING period concludes without a merger.

What changed: Form 10-Q (Quarterly Report) for the period ended December 31, 2025. This 10-Q is the first periodic report after the SPAC's August 2025 IPO and the October 2025 Merger Agreement with SACH Pte. Ltd. It reports the IPO closing, the trust account funding, the signing of the merger, and subsequent sponsor loan fundings. It also includes management's conclusion that there is substantial doubt about the company's ability to continue as a going concern, citing a lack of financial resources to sustain operations for one year from the issuance date. Disclosure controls and procedures were deemed ineffective due to inadequate controls over commitment and contingency disclosures. Why it matters: The filing provides the first post-IPO balance sheet, showing a trust value of $10.16 per share (up from $10.00), a deadline of February 6, 2027, and the specific terms of the pending de-SPAC merger with SACH, including a $300 million valuation and sponsor loan arrangements. A going concern warning, a new internal control weakness, and a significant finder's fee obligation ($3.5 million success fee) are all material to investor assessment of deal risk.

What changed: A routine compliance exhibit — specifically, a Schedule 13G/A amendment classified as a beneficial ownership report filed under federal securities rules. The provided excerpt names only the reporting entity, Highbridge Capital Management, LLC, and omits all tabular data and narrative detail. The text discloses no adjustments to share quantities, ownership percentages, transaction dates, purchase or sale prices, or whether the filing reflects an initial threshold crossing versus a subsequent positional update. Consequently, the excerpt contains zero reference to redemption procedures, trust fund administration, extension proposals, business combination status, or sponsor conduct. Why it matters: Because the filing lacks explicit percentage shifts or transaction pricing, it does not independently signal altered redemption pressure, voting realignment, or changes to the stated search deadline or per-share trust allocation. Institutional managers frequently submit Schedule 13G/A amendments for passive index flows, portfolio rebalancing, or clerical updates; without the complete exhibit containing itemized schedules and execution blocks, investors cannot determine whether the named firm is accumulating, reducing, or maintaining exposure ahead of the closing window. No claims regarding target customers, projected revenue, market sizing, technology roadmaps, partnership structures, pending litigation, or executive personnel are present in the supplied text.

What changed: Form 12b-25 Notification of Late Filing. This document is a Form 12b-25 Notification of Late Filing. CEO Ping Zhang and the Registrant state the company could not file its Form 10-Q for the period ended December 31, 2025 by February 17, 2026 due to a delay experienced in completing its financial statements, and the Registrant anticipates filing no later than the seventh calendar day following the prescribed filing date. Why it matters: A late 10-Q does not automatically extend the February 6, 2027 redemption window or adjust the $10.34 trust balance, but it signals internal reporting bottlenecks during a prolonged SEARCH status. Because the Registrant independently concluded the delay was unavoidable without unreasonable effort or expense and tied completion to internal financial statement processing, sponsors and investors should treat the gap as a compliance risk rather than a strategic pause.

What changed: Limited Powers of Attorney (Exhibit A and Exhibit B) to Form 13G, executed by Mizuho Financial Group, Inc., Mizuho Bank, Ltd., Mizuho Americas LLC, and Mizuho Securities USA LLC, appointing Takahiro Katsura as attorney-in-fact to execute and file the Schedule 13G reporting beneficial ownership of QUMS securities with the SEC. The document bears no impact on redemption deadlines, the $10.34 per-share trust value, the February 6, 2027 liquidation deadline, extension provisions, target acquisition progress, or sponsor conduct, as confirmed by the filers. Instead, Mizuho Financial Group, Inc., through Deputy President Hidekatsu Take, and Mizuho Bank, Ltd., through Managing Executive Officer Hidekatsu Take, jointly authorize Takahiro Katsura to act on their behalf, while Mizuho Americas LLC and Mizuho Securities USA LLC authorize him through Chief Legal Officer Adam Hopkins. Why it matters: Beyond the internal delegation of signature authority, the document substantiates the corporate structure of the filing group: Exhibit A lists Mizuho Bank as a non-U.S. institution equivalent to Bank at 1-5-5, Otemachi, Chiyoda-ku, Tokyo 100-8176, Japan; Mizuho Americas LLC as a parent holding company at 1271 Avenue of the Americas, NY, NY 10020, USA; and Mizuho Securities USA LLC as a registered Broker-Dealer at the same New York address. Because this exhibit solely establishes procedural clearance for SEC submission, it does not activate shareholder redemption rights, modify the $10.34 trust baseline, or advance the QUMS merger timeline ahead of the February 6, 2027 cutoff. Investors should reference the companion Schedule 13G cover page for actual ownership percentages or transaction disclosures.

What changed: Form 8-K current report disclosing the entry into material definitive agreements by the SPAC’s acquisition target, SACH Pte. Ltd. The filing states that SACH Pte. Ltd. executed two subscription agreements on January 13, 2026. According to the registrant, Cypress Innovations Limited subscribed to 2,055 ordinary shares at $973.16 per share for $2,000,000, and individual investor Tan Cheng Siong subscribed to 103 ordinary shares at $973.16 per share for $100,000. The attached exhibits detail that Cypress wired funds between October 7, 2025, and October 16, 2025, while Tan Cheng Siong deposited 0.01, 99,999, and 0.99 USDT via a TRC wallet address on December 31, 2025, and January 2, 2026. Both transactions reference prior term sheets executed on September 17, 2025, and October 3, 2025. Why it matters: The filing characterizes these issuances as target-level financing activities conducted in anticipation of the previously announced business combination. It explicitly notes that no Quantumsphere Acquisition Corporation securities were issued, leaving the SPAC’s trust structure, redemption mechanisms, and shareholder voting thresholds unchanged. Governed by Singapore law with exclusive jurisdiction in Singapore courts, the agreements were signed by Jonathan Zhang, CEO and Executive Director of the target. The simultaneous receipt of fiat and stablecoin proceeds at the target level signals continued operational funding ahead of merger consummation.

What changed: The document is a Schedule 13G beneficial ownership report (File No. 0000902664-25-004957) dated 2025-11-14, categorizing as a routine compliance exhibit that discloses equity concentration reported by HIGHBRIDGE CAPITAL MANAGEMENT LLC. Regarding the $10.34 trust-per-share valuation, the 2027-02-06 deadline, extension mechanics, target search progress, or sponsor conduct, the filing presents no adjusted parameters, amended vote counts, or procedural updates. The excerpt solely records a regulatory disclosure event without altering redemption windows, trust distribution math, or merger timelines. Why it matters: The filing contains no attributed claims concerning prospective customers, revenue forecasts, market size estimates, acquisition strategy, proprietary technology, commercial partnerships, litigation status, or leadership personnel. Without substantive operational or commercial assertions, the document does not signal imminent activation of redemption rights, necessitates no revision to the SEARCHING phase schedule, and remains immaterial until a subsequent amendment specifies voting boundaries or transaction intent.

What changed: Quarterly report (Form 10-Q) for the period ended September 30, 2025. This is the SPAC's first 10-Q following its IPO on August 7, 2025. The filing reports the IPO closing, establishment of the trust account, and the subsequent entry into a definitive merger agreement on October 3, 2025 to acquire SACH Pte. Ltd. (valued at ~$300 million equity). It also details the private placement, related-party transactions, a finder's fee agreement, and substantial doubt about going concern. Why it matters: The SPAC has transitioned from SEARCHING to having a signed merger agreement. The trust holds $83.3 million ($10.06 per share), with a redemption deadline of February 6, 2027. The merger can be terminated if not closed by July 31, 2026. Management has identified substantial doubt about the company's ability to continue as a going concern due to limited working capital ($444,818 cash) and costs associated with completing the deal. The sponsor has received $500,000 in loans from the target to fund operations.

What changed: A Schedule 13G beneficial ownership report, functioning as a routine compliance exhibit, identifying Wolverine Asset Management LLC, Wolverine Trading Partners, Inc., Wolverine Holdings, L.P., Christopher L. Gust, and Robert R. Bellick as the co-reporting persons claiming beneficial ownership interests in Quantumsphere Acquisition Corp. The filing introduces these five entities and individuals as joint reporting holders. It contains zero ownership percentages, acquisition dates, purchase prices, voting or dispositive power splits, or amendment flags. Accordingly, it provides no update to redemption mechanics, no adjustment to the referenced $10.34 per-share trust balance, no extension vote scheduling, no business combination target pipeline progression, and no commentary on sponsor conduct or capital commitments. Why it matters: Schedule 13G filings typically alert investors to institutional or blockholder accumulation that can precede merger negotiations, proxy solicitations, or sponsor reorganizations during a SPAC’s searching phase. For shareholders monitoring the February 6, 2027 termination deadline and the $10.34 trust valuation, such documents are scrutinized for threshold crossings that might trigger conversion rights, extension triggers, or change-of-control protections. This excerpt supplies only party names without quantified stakes, timing, or conditional language, so it does not shift redemption windows, alter trust preservation dynamics, or signal near-term deal execution. No claims regarding customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel were advanced or attributed to any speaker or entity within this filing.

What changed: Amended Current Report on Form 8-K (8-K/A) restating the consummation of the Initial Public Offering and adding a subsequently-disclosed finder fee agreement that Note 10 states was inadvertently omitted from the original filing. This 8-K/A amends the August 13, 2025 filing solely to disclose a Finder’s Engagement Agreement dated August 8, 2025, between the company and Aspira Capital Consulting LTD. According to Note 10, the agreement imposes a one-time non-refundable retainer of $300,000 upon execution, a success fee of $3,500,000 upon closing a business combination, and reimbursement for out-of-pocket expenses capped at $150,000 without prior written approval. The underlying audited balance sheet and Item 8.01 report that the IPO closed on August 7, 2025, with the sale of 8,280,000 units at $10.00 per unit, generating $82,800,000 in gross proceeds after the underwriter fully exercised its over-allotment option. Management states that exactly $82,800,000 was deposited into a U.S.-based trust account, and simultaneously, Sponsor Whiteowl Holdings LLC purchased 228,650 private units at $10.00 per unit for $2,286,500, with those proceeds also added to the trust. Transaction costs are documented at $4,459,070, broken down by the registrant into $3,898,500 in underwriting commissions ($586,500 paid in cash and $3,312,000 deferred) and $560,570 in legal and offering costs. Operating capital outside the trust is listed as $902,598 in cash, a $165,000 advance to a related party, and $38,549 in prepaid expenses. Deferred underwriting fees payable are recorded at $3,312,000, and shareholders’ deficit totals $(2,215,853). The sponsor holds 2,898,000 founder shares following an August 5, 2025 subscription agreement amendment and receives $15,000 monthly under an administrative services agreement. The independent auditor, CBIZ CPAs P.C., issued a going concern opinion on August 13, 2025, stating that the company has incurred and expects to incur significant costs and has until February 7, 2027—eighteen months from IPO closing—to consummate a business combination. The auditor explicitly noted that the company lacks the financial resources required to sustain operations for a reasonable period, generally considered one year from the issuance date, creating substantial doubt about its ability to continue as a going concern. Fair value disclosures in Note 8 allocate $1,904,400 to the public rights at issuance, priced at $0.23 per right based on a $9.77 assumed common share value and a 16.8% market-implied business combination likelihood. No extension provisions have been triggered; the combination deadline remains fixed at February 7, 2027. Why it matters: The newly disclosed finder fee contract immediately deducts $300,000 from the $902,598 in outside-trust working capital and creates a $3,500,000 deal-contingent liability, directly constraining management’s operational runway and capacity to conduct due diligence prior to a merger. The $3,312,000 deferred underwriting commission will be payable exclusively from trust account balances remaining after public redemptions, meaning any substantial redemption activity will mathematically cap the absolute payout to the underwriter and alter final net distributable trust value. The auditor’s going concern qualification underscores that the $902,598 cash reserve may be exhausted before achieving a business combination, elevating liquidation risk if no target merges by the February 7, 2027 expiration. Furthermore, the embedded valuation assumptions reveal that management’s pricing models price in only a 16.8% probability of a successful acquisition and assume a sub-bond share equivalent valuation, signaling execution risk that investors should factor into redemption calculus. Together, these filings allow investors to model post-redemption yields, track sponsor alignment through the $15,000 monthly administrative fee, and monitor the burn rate against the documented $902,598 cash balance.