BIII SEC filings, in plain English
Everything Black Spade Acquisition III has filed with the SEC that we hold — 40 filings, newest first, 38 with a plain-English summary of what changed and why it matters. Every row links to the primary document on EDGAR, so you can check the source rather than trust us.
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What changed: Black Spade Acquisition III filed Form 425 to disclose a communication regarding a proposed transaction with Astrum Space Inc, confirming the intent to file a registration statement on Form F-4 that will include a proxy statement and prospectus. Why it matters: This filing marks a procedural step in the merger process, indicating that definitive proxy materials containing voting details and transaction terms are forthcoming for shareholders to review before the deadline.
What changed: Black Spade Acquisition III Co filed a Form 8-K (Rule 425) on August 27, 2026, announcing the entry into a Business Combination Agreement with Astrum Space Inc and its subsidiary Astrum Networks Pte. Ltd. The deal involves Astrum merging with Black Spade III, which will survive and be renamed 'Astrum Space Company' trading on the NYSE. Key terms include: Astrum Holding receiving 100,000,000 Listco Shares; a $3,500,000 Sponsor Transaction Bonus payable at Closing; up to 25,500,000 Performance Shares for Astrum Holding contingent on NEASTAR-1 satellite milestones (integration by Feb 1, 2028; shipment by Apr 15, 2029; launch by Jun 30, 2029); an equity incentive plan pool of up to 20% of post-Closing shares; and a Founder support letter committing up to US$168,000,000 in funding. Lock-up restrictions apply to Astrum Holding (4M free, 7.5M for 12 months, rest for 2 years) and the Sponsor (3.37M free, 1.75M for 12 months, private warrants/shares for 30 days). The agreement terminates if Closing does not occur by May 27, 2027. Why it matters: This filing initiates the formal merger process, establishing the economic structure, milestone-based incentives, and lock-up periods that define shareholder value and sponsor alignment. It confirms the target is a satellite operator (NEASTAR-1), introduces significant performance share dilution potential, and sets a hard termination deadline of May 2027, creating a defined timeline for redemption decisions and closing certainty.
What changed: Black Spade Acquisition III Co (BIII) filed a Form 8-K on August 27, 2026, announcing the entry into a Business Combination Agreement with Astrum Space Inc and its subsidiary Astrum Networks Pte. Ltd. The deal involves Astrum merging with BIII, with BIII surviving and renaming to 'Astrum Space Company' trading on the NYSE under a new ticker. Key terms include: (1) Unit separation immediately prior to closing; (2) Conversion of all Class B ordinary shares to Class A; (3) Astrum Holding receives 100,000,000 Listco Shares; (4) Sponsor Transaction Bonus of US$3,500,000 paid at Closing; (5) Performance Shares up to 25,500,000 issued to Astrum Holding upon milestones for NEASTAR-1 satellite integration (Feb 1, 2028), shipment (Apr 15, 2029), and launch (Jun 30, 2029); (6) Founder Zhou Qingzhi committed to provide up to US$168,000,000 in funding support; (7) Lock-up restrictions for Astrum Holding and Sponsor shares; (8) Termination date set for May 27, 2027. No specific redemption deadline changes or trust value adjustments are reported in this filing beyond standard merger mechanics. Why it matters: This filing confirms the definitive agreement for the SPAC deSPAC transaction, establishing the economic structure, milestone-based equity incentives, and sponsor compensation that will determine post-merger ownership dilution and cash flows. The US$168 million founder support letter is critical for assessing Astrum's liquidity without immediate public market financing. The performance share milestones tie future equity issuance directly to technical progress on the NEASTAR-1 satellite, linking investor returns to operational execution. The termination date of May 27, 2027, sets the outer limit for the redemption window and deal completion, informing investors of the timeline for potential cash redemptions from the trust account.
What changed: This is a Form 10-Q quarterly report filed by Black Spade Acquisition III Co, a blank-check company (SPAC), detailing its unaudited condensed financial statements and operations for the quarter ended June 30, 2026. The company completed its initial public offering (IPO) on January 7, 2026, selling 17,250,000 units at $10.00 per unit for gross proceeds of $172,500,000. The underwriters exercised their over-allotment option in full. Simultaneously, the company sold 8,150,000 private placement warrants at $0.50 each to the sponsor and underwriters for gross proceeds of $4,075,000. As of June 30, 2026, the company reports having $175,468,775 held in the trust account, which represents approximately $10.17 per share based on the 17,250,000 Class A shares subject to redemption. The company has not yet identified a business combination target and reports a working capital deficit of $56,182, raising substantial doubt about its ability to continue as a going concern. Why it matters: This filing establishes the initial financial baseline for the SPAC post-IPO. Investors can track the trust value per share at $10.17 as of June 30, 2026. The company must complete a business combination within 24 months, or by January 7, 2028, unless it has a signed letter of intent or definitive agreement, in which case the deadline extends to 27 months, or January 7, 2029. The report also confirms the sponsor's conduct, including that the 750,000 founder shares are no longer subject to forfeiture due to the full exercise of the over-allotment option.
What changed vs 2026-05-12trust $173.9M → $175.5M +1%trust account, going-concern doubt, sponsor loans outstanding +11 moved · 3 with no prior record of ours
- Trust account
- $173.9M$175.5M
- Going-concern doubt
- stated · unchanged
- Sponsor loans outstanding
- $124K · unchanged
- Redeemable shares
- 17.3M · unchanged
SpacBrain reads this as $1,551,680 was added to the trust between the two filings.
The clause “300 Total current assets 753,275 3,279,258 Deferred offering costs 383,694 Cash held in Trust Account 175,468,775 Total Assets $ 176,222,050 $ 3,662,952 Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders”…
The clause …“such additional capital will ultimately be available. This condition raises substantial doubt about the Company s ability to continue as a going concern for a period of time within one year after the date that the unaudited condensed”…
The clause …“2026 or (ii) the consummation of the Initial Public Offering. The Company had borrowed $ 123,988 under the Promissory Note, which was repaid at the closing of the Initial Public Offering on January 7, 2026. Borrowing against the”…
The clause …“value; 150,000,000 shares authorized; none issued or outstanding (excluding 17,250,000 and 0 shares subject to possible redemption) as of June 30, 2026 and December 31, 2025, respectively Class B ordinary shares, $ 0.0001 par value;”…
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
What changed: A Schedule 13G/A Amendment accompanied by Exhibit 99.1, a Joint Filing Agreement executed by RP Investment Advisors LP and four affiliated funds. The filing contains only Exhibit 99.1, a procedural Joint Filing Agreement dated May 15, 2026. Richard Pilosof, signing as Chief Executive Officer of RP Investment Advisors LP and its General Partner, authorized the joint submission of Section 13 or Section 16 reports under the Securities Exchange Act of 1934 on behalf of RP Investment Advisors LP, RP Select Opportunities Master Fund Ltd., RP Debt Opportunities Fund Ltd., RP Alternative Global Bond Fund, and RP Alternative Credit Opportunities Fund. The text discloses no amended shares acquired, aggregate percentages, purchase prices, or transaction dates. Accordingly, the filing reports nothing that affects redemption deadlines, trust value per share, extension windows relative to the January 6, 2028 termination date, business combination progress, or sponsor conduct. Why it matters: This submission operates as a purely administrative wrapper for future regulatory disclosures. Because it omits the actual Schedule 13G or 13D schedules, it provides zero visibility into whether any of the five listed vehicles have increased, decreased, or maintained their positions in Black Spade Acquisition III. Without positional data, investors cannot reassess voting power, potential influence over shareholder votes, or sponsor alignment ahead of the redemption window. The document also contains no statements regarding customers, revenue, market size, technology, partnerships, litigation, or personnel beyond the signatory line. Investors should monitor for a subsequent filing that attaches the required schedule to determine if beneficial ownership has changed materially.
What changed: Schedule 13G, a routine compliance exhibit filing a beneficial ownership report. The provided excerpt states only the filing designation, the accession number 0001172661-26-001873, and the registered holder Aristeia Capital, L.L.C. Aristeia Capital, L.L.C. discloses no ownership percentage, acquisition date, aggregate shares, or transaction purpose. As filed, the document reports no adjustments to redemption windows, trust balance mechanics, extension voting calendars, target due-diligence stages, or sponsor conduct. Why it matters: Because the excerpt omits the mandatory Schedule 13G disclosure blocks, investors cannot verify whether the filer crossed the 5% beneficial ownership threshold, accumulated a recent block trade, or intends to exercise voting rights on a proposed business combination, extension amendment, or liquidation motion. The absence of quantified position data means the filing does not alter baseline assumptions regarding available cash for a merger, shareholder dilution trajectories, or governance leverage.
What changed: A routine compliance exhibit (Joint Filing Agreement, Exhibit 99.1) attached to a Schedule 13G beneficial ownership report for Black Spade Acquisition III Co. Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman executed a joint filing arrangement under Rule 13d-1(k) to report their combined or related holdings as of March 31, 2026. The provided text contains only execution signatures by Hayley Stein acting as attorney-in-fact and corporate authority recitals; it discloses no changes to share quantities, percentage stakes, acquisition cost, or prior filing amendments. Why it matters: The exhibit makes no reference to BIII’s $10.17 trust/share, the January 6, 2028 redemption deadline, extension mechanisms, target search progress, or sponsor conduct. Because the text lacks numerical ownership disclosures or explicit voting directives, it provides no independent signal regarding shareholder redemption behavior, trust preservation efforts, or combination momentum. Any suggestion that the named affiliated vehicles are coordinating capital deployment originates exclusively from their regulatory decision to consolidate reports under joint filing rules, not from stated business objectives, customer metrics, revenue figures, technology claims, or partnership announcements contained in the document.
What changed: Quarterly report (Form 10-Q) for the period ending March 31, 2026, filed May 12, 2026. This is BIII's first quarterly report since its January 7, 2026 IPO. The filing details the IPO terms: 17,250,000 units at $10.00 each, with the full over-allotment option exercised, and 8,150,000 private placement warrants sold. It discloses a trust account of $173,917,095, representing a redemption value of $10.08 per share. It also includes a standard 'going concern' qualification, noting the company has no current financing commitment but expects to have sufficient access to capital. The report confirms the company is still in the 'searching' phase with no target identified. It also states management believes it may need to raise additional funds for operating expenses. Why it matters: This filing establishes the baseline mechanics for the SPAC. It confirms the trust value and the $10.08 per share redemption value, which are critical for investors tracking redemption potential. It also confirms the key dates: the 24-month (or 27-month) deadline from the IPO, which means the deadline is January 7, 2028 (or January 7, 2029, if extended). The 'going concern' language and the lack of a target are standard and provide a baseline from which to track progress. The disclosure that no shares have been redeemed is also a key data point for early tracking.
What changed vs 2026-02-19going concern APPEAREDgoing-concern doubt, trust account, redeemable shares +11 moved · 3 with no prior record of ours
- Going-concern doubt
- not statedstated
- Trust account
- not previously extracted$173.9M
- Redeemable shares
- not previously extracted17.3M
- Sponsor loans outstanding
- $124K · unchanged
SpacBrain reads this as the substantial-doubt sentence is in this filing and not in the previous one.
The clause …“such additional capital will ultimately be available. This condition raises substantial doubt about the Company s ability to continue as a going concern for a period of time within one year after the date that the unaudited condensed”…
The clause “332 Total current assets 898,531 3,279,258 Deferred offering costs 383,694 Cash held in Trust Account 173,917,095 Total Assets $ 174,815,626 $ 3,662,952 Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders”…
The clause “025, there were no Class A ordinary shares issued or outstanding, excluding the 17,250,000 and 0 shares subject to possible redemption, respectively. Class B Ordinary Shares The Company is authorized to issue 15,000,000 Class B ordinary”…
The clause …“2026 or (ii) the consummation of the Initial Public Offering. The Company had borrowed $ 123,988 under the Promissory Note, which was repaid at the closing of the Initial Public Offering on January 7, 2026. Borrowing against the”…
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
What changed: Form 10-K annual report for fiscal year ended December 31, 2025. SPAC completed its IPO on January 7, 2026, raising $172.5 million in trust ($10.00 per share initially, with interest increasing per-share value to approximately $10.17 as of filing). No business combination announced; deadline is 24 months from IPO (January 2028) with possible 27-month extension if LOI executed. Trust account funded with $172.5 million. Sponsor and management entered into standard lock-up and voting agreements. The company reported a working capital deficit of $445,071 as of December 31, 2025, prior to IPO proceeds. No changes in redemption mechanics or extension provisions. Why it matters: This first annual report after IPO establishes the baseline financial position, trust size, and timeline for investors. It confirms the sponsor's track record with two prior successful de-SPACs (VinFast and TGE). The extensive risk factors detail China-related and CFIUS risks that may affect target selection. The trust per share slightly exceeds $10.00, and the deadline is standard 24 months, providing a clear window for investors to evaluate deal progress.
What changed: Quarterly report (Form 10-Q) for Black Spade Acquisition III Co for the quarter ended September 30, 2025, covering the period from inception (August 21, 2025) through September 30, 2025, before the consummation of its initial public offering (IPO) in January 2026. This is the SPAC's first periodic report since formation. As of September 30, 2025, the company had no operations, a net loss of $22,525, and $319,358 in deferred offering costs. It held no cash and had a $46,953 promissory note from the sponsor. After quarter end, on January 7, 2026, the company completed its IPO of 17,250,000 units at $10.00 per unit, generating $172.5 million in gross proceeds (fully exercising the over-allotment), and simultaneously sold 8,150,000 private placement warrants at $0.50 per warrant for $4.075 million. The trust account now holds $172.5 million ($10.00 per public share). The company also disclosed that on December 9, 2025, the sponsor transferred 630,000 founder shares to directors and officers at $0.004 per share. Why it matters: This filing establishes the baseline financial position, confirms the IPO proceeds and trust account value ($172.5M / $10.00 per share), and outlines the 24-month deadline (January 2028) for completing a business combination. It also details sponsor economics (5.75M founder shares, subject to forfeiture arrangements), related-party financing, and restrictions on China VIE targets. Investors can now track the trust value, redemption mechanics, and sponsor conduct.
What changed: A Joint Filing Agreement (Exhibit 99.1) attached to a Schedule 13G beneficial ownership report. The agreement formally consolidates the Section 13 or Section 16 reporting obligations of five affiliated investment vehicles—RP Investment Advisors LP, RP Select Opportunities Master Fund Ltd., RP Debt Opportunities Fund Ltd., RP Alternative Global Bond Fund, and RP Alternative Credit Opportunities Fund—into a single submission to the SEC. Regarding redemption deadlines, trust accounting mechanisms, extension approvals, or sponsor conduct, the filing reports zero modifications. BIII’s SEARCHING status, capital raise parameters, and shareholder distribution rights remain untouched by this administrative arrangement. Why it matters: Effective February 11, 2026, the document establishes a coordinated reporting structure that dictates how the listed entities aggregate their beneficial ownership for regulatory disclosure, with Richard Pilosof, Chief Executive Officer of RP Investment Advisors LP, executing on behalf of all parties through General Partner RP Investment Advisors GP Inc. Substantively, the text contains no commentary on target pipeline progression, customer acquisition, revenue forecasts, market positioning, technology development, strategic partnerships, active litigation, or key personnel transitions. It is a standard compliance exhibit that confirms institutional reporting coordination without signaling activist intent, merger readiness, or changes to the trust environment or redemption calendar.
What changed: Form 8-K Current Report and attached press release (Exhibit 99.1). The filing announces that holders of the 17,250,000 units sold in the January 7, 2026 initial public offering may elect to separately trade the underlying Class A ordinary shares and redeemable warrants commencing January 29, 2026. The units were sold at $10.00 per unit, generating $172,500,000 in gross proceeds, and each whole warrant allows the purchase of one Class A Ordinary Share at $11.50. Separated shares and warrants will trade as BIII and BIIIW, while undivided units continue as BIIIU. This administrative listing update does not modify the SPAC’s trust account, redemption rights, extension provisions, or 2028-01-06 business combination deadline. Why it matters: For redemption and deal-tracking purposes, this confirms the routine mechanical conversion from bundled units to standalone equity and derivatives, allowing independent market pricing without affecting the per-share trust balance or forcing any shareholder action. According to the press release, the sponsor (an affiliate of Black Spade Capital Limited) characterizes the leisure and entertainment space as a core focus area and states it is encouraged by how the application of AI, robotic and quantum computing elevates user experience in that field. The Company further notes it intends to look into opportunities arising from the growing acceptance of digital assets within the lifestyle and entertainment sector. These sector targets are presented as forward-looking statements subject to risk factors, carry no binding commitment to a target, and do not indicate a completed deal or changed sponsor conduct. The registration statement was declared effective by the SEC on January 5, 2026, and Cohen & Company Capital Markets and Chardan served as joint book-running managers.
What changed: Amendment No. 1 to Form 8-K reporting the January 7, 2026 consummation of Black Spade Acquisition III Co’s initial public offering and correcting a clerical error in a prior current report. The registrant states this filing amends a January 13, 2026 Form 8-K to correct the cover page date and fix typographical errors in Exhibit 99.1. As reported by the company, the January 7, 2026 IPO closed on 17,250,000 units at $10.00 per unit, generating $150,000,000 in gross proceeds, including 2,250,000 units from a fully exercised over-allotment option. Concurrently, the company sold 8,150,000 private placement warrants at $0.50 per warrant. Management confirms $170,663,000 of IPO net proceeds and $1,837,000 of private placement proceeds were placed in a U.S.-based trust account. The sponsor, Black Spade Sponsor LLC III, holds 5,750,000 founder shares originally purchased for $25,000, transferred 630,000 shares to affiliates at $0.004 per share, and waived redemption rights on those shares. The company committed to paying the sponsor $20,000 monthly for administrative services starting January 5, 2026. The registrant defines the combination period as 24 months from the January 7, 2026 closing, extendable to 27 months if a letter of intent or definitive agreement is executed within the first 24 months. Underwriters retain a deferred fee of $6,876,000 payable only upon a successful business combination. Why it matters: The amendment locks in the post-IPO capital structure and trust corpus, establishing the precise cash floor for potential shareholder redemptions and the starting point for the redemption calendar tied to the 24-to-27-month combination deadline. The sponsor’s administrative service commitment of $20,000 per month and the $6,876,000 deferred underwriting obligation identify ongoing expenses that will draw from non-trust cash balances before a de-SPAC. By stating management retains broad discretion but intends to apply proceeds toward a business combination, and by explicitly excluding targets utilizing variable interest entity structures in China while focusing on sectors aligned with the ‘digitization of financial infrastructure,’ the filing delineates the investment mandate without naming partners, customers, or specific technologies. With no operations commenced and no target identified as of January 7, 2026, the status remains strictly SEARCHING.
What changed: Form 8-K Current Report and accompanying Exhibit 99.1 (audited balance sheet) documenting the consummation of the initial public offering. The registrant reported the January 7, 2026 IPO closing of 17,250,000 units at $10.00 per unit, which generated $172,500,000 in gross proceeds and deposited exactly $172,500,000 into a trust account managed by Continental Stock Transfer & Trust Company (composed of $170,663,000 in net IPO proceeds and $1,837,000 from private placement warrant sales). According to the company’s governing documents, the Combination Period is fixed at 24 months from the January 7, 2026 closing date, with a contractual possibility to extend to 27 months if a letter of intent or definitive agreement is executed within the initial window. The Sponsor (Black Spade Sponsor LLC III) acquired 5,750,000 Class B founder shares for $25,000 and contractually waived both redemption and liquidation rights for those shares. As stipulated in the offering agreements, the Sponsor agreed to indemnify the trust if third-party claims reduce the per-share trust value below $10.00 net of taxes, while the underwriters agreed to forfeit $6,876,000 in deferred underwriting fees if the Combination Period expires without a business combination. Starting January 5, 2026, the company will remit $20,000 monthly to the Sponsor for administrative support, and total transaction costs reached $9,912,668 ($2,292,000 paid as a cash underwriting fee, $6,876,000 held as a deferred fee, and $744,668 in other offering costs). Why it matters: This 8-K and its attached audited financial statements transition the security into a funded public shell, locking $172,500,000 in trust assets that will finance redemptions or merge consideration unless reduced by taxes, dissolution expenses (limited to $100,000 of interest per company policy), or unrecoverable creditor claims. The 24-month deadline establishes the absolute latest date for a business combination or a mandatory liquidation payout calculated at the pro-rata trust balance per outstanding public share. Management’s strategic filtering criteria exclude targets employing Chinese variable interest entity (VIE) structures and prioritize the digitization of financial infrastructure, according to the company’s formation disclosures. Operational carry costs are defined by the $20,000 monthly administrative fee and discretionary working capital loans (convertible into warrants at $0.50 each), which will pressure runway before a deal closes. Downstream equity mechanics include 13,900,000 total warrants (5,750,000 public and 8,150,000 private placement), exercisable 30 days post-combination and expiring five years later, with a $0.01 redemption trigger activated if shares close at or above $18.00 for 20 days within any 30-day window. All terms, valuations, and operational parameters derive directly from the company’s IPO registration materials, the Sponsor’s purchase contracts, and the January 7, 2026 audited balance sheet reviewed by WithumSmith+Brown, PC.
What changed: This is an 8-K Current Report filed by Black Spade Acquisition III Co (BIII) on January 9, 2026, reporting the consummation of its initial public offering on January 7, 2026. The filing includes the underwriting agreement, corporate charter, warrant agreement, and all ancillary agreements (letter agreements, trust agreement, registration rights, sponsor/underwriter warrant purchases, administrative services, and indemnity agreements). It is a standard IPO-closing 8-K that makes a newly-formed blank-check company operational with a trust. The SPAC completed its IPO on January 7, 2026, selling 17,250,000 units (including full over-allotment) at $10.00 per unit, generating $172.5 million in gross proceeds. Net proceeds of $172.5 million ($170.663 million from the IPO plus $1.837 million from private placement warrants) were placed into a trust account with Continental Stock Transfer & Trust Company. The trust holds $9.87 per public unit net of underwriting discounts and deferred fees. The underwriters purchased 1,150,000 private placement warrants at $0.50 each. The Sponsor purchased 7,000,000 private placement warrants at $0.50 each. The board of directors was appointed, an amended charter was adopted, and all standard IPO-related agreements were entered into. Business combination deadline is 24 months from closing (January 7, 2028), extendable to 27 months if a definitive agreement is signed within 24 months. The trust per-share value at closing was $10.00 on gross proceeds, but the company's status metadata shows trust/share at $10.17, indicating some interest accretion already. The sponsor's founder shares (5,750,000 Class B shares) are subject to forfeiture of up to 750,000 shares if the over-allotment is not fully exercised (it was fully exercised per this filing, so no forfeiture required; the filing states the over-allotment was exercised in full). Lock-up on founder shares: 6 months post-business combination or $12.00 price trigger. Lock-up on sponsor private placement warrants: 30 days post-business combination. Management team: Dennis Tam (Executive Chairman & Co-CEO), Kester Ng (Co-CEO & CFO), Richard Taylor (Co-CEO & COO). The company's focus area is leisure and entertainment, with interest in AI, robotics, quantum computing, and digital assets in that sector. Prior SPACs by the same sponsor: BSAQ completed a $23B business combination with VinFast in August 2023; BSII completed a $488M business combination in June 2025. Why it matters: This filing establishes the trust value and redemption mechanics for a newly minted $172.5 million SPAC. The trust holds approximately $10.00 per share at IPO, but the status line shows $10.17, suggesting early interest accretion. The deadline is January 7, 2028 (24 months), with a potential extension to January 7, 2029 if a definitive agreement is signed by January 7, 2028. The sponsor has a strong track record (VinFast, Generation Essentials) and the SPAC targets the leisure/entertainment sector with a technology angle. The full exercise of the over-allotment indicates strong initial demand. The trust amount per share and deadline are key inputs for any redemption-arbitrage or hold/sell decision.
What changed: A Joint Filing Statement pursuant to Rule 13D-1(k)(1), attached as Exhibit I to a Schedule 13G beneficial ownership report. This filing reports no updates to redemption deadlines, trust value, extension status, business combination progress, or sponsor conduct. It solely records a mutual consent among Tenor Capital Management Company, L.P., Tenor Opportunity Master Fund, Ltd., and Robin Shah to aggregate their beneficial ownership disclosures for Black Spade Acquisition III Co shares into a single Schedule 13G submission. The joint filing arrangements were established by the undersigned parties and dated January 09, 2026, with Robin Shah executing in his dual capacity as Managing Member of Tenor Management GP, LLC and Authorized Signatory for Tenor Opportunity Master Fund, Ltd. Why it matters: As a procedural compliance exhibit, it dictates that future beneficial ownership updates for these affiliated entities will be reported jointly, affecting investor visibility into concentrated voting power and potential activism without revealing share counts or acquisition costs in this excerpt. The document makes no claims regarding customers, revenue, market size, strategy, technology, partnerships, litigation, or operational personnel changes beyond Robin Shah’s documented signing authority. Because it discloses no percentage stakes, transaction prices, or intent to influence management, it leaves the SPAC’s operational timeline intact. Investors should monitor subsequent Schedule 13G amendments incorporating this joint statement to determine actual position size or market activity.
What changed: SEC Form 3 insider ownership report. Nothing changed in the SPAC’s mechanical timeline, redemption parameters, or trust structure. The filing records zero non-derivative transactions or holdings for Director Robert Steven Moore, providing no new insider buying or selling data to evaluate against the 2028-01-06 business combination deadline, the $10.17 per-share trust composition, or any forthcoming extension voting mechanics. Why it matters: The document contains no substantive claims, targets, financial metrics, strategy outlines, technology notes, partnership references, litigation details, or personnel updates. Because no trades were reported, it delivers no attributable signal regarding management’s conviction during the SEARCHING phase, forcing investors to rely exclusively on the publicly disclosed $10.17 trust floor and the hard deadline while awaiting a separately filed operational or transaction update.
What changed: IPO prospectus under Rule 424(b)(3) (Reg. No. 333-290602) for Black Spade Acquisition III Co, a Cayman Islands blank check offering $150,000,000 of 15,000,000 units at $10.00, each unit one Class A ordinary share plus one-third of a warrant exercisable at $11.50, with a 45-day over-allotment option for 2,250,000 units; NYSE-listed, focused on leisure and entertainment plus digital financial infrastructure, with an express prohibition on combining with any entity whose China operations are consolidated through a VIE. The completion window is 24 months from closing, extended to 27 months if an LOI, agreement in principle or definitive agreement is executed within 24 months, after which 100% of public shares are redeemed from trust less taxes and up to $100,000 of dissolution expenses. Sponsor Black Spade Sponsor LLC III and the underwriters committed to 7,550,000 private placement warrants at $0.50 ($3,775,000; 8,150,000 / $4,075,000 if over-allotment exercised in full), of which the sponsor takes 6,550,000. Initial shareholders hold 5,750,000 Class B ordinary shares, up to 750,000 surrendered for no consideration depending on over-allotment (including forfeiture of 82,174 of the 630,000 founder shares held by directors, officers, advisors and sponsor-affiliate employees). Class B converts one-for-one but has an anti-dilution ratchet keeping founders at 25% of the post-IPO plus deal-issued share count net of redemptions, and only Class B may appoint or remove directors or approve a redomiciliation before the combination. Why it matters: The founder-share ratchet is set at 25% net of redemptions rather than a fixed 20%, so heavy redemptions actually increase the founders' conversion ratio, and Class B holds exclusive director appointment and redomiciliation voting power until a deal closes.
What changed: A Form 3 SEC insider ownership report filed for Black Spade Acquisition III Co. The filing is dated 2026-01-06 and identifies Ng Shing Joe Kester (director, Co-CEO and CFO) as the reporting person. According to the filing's explicit statement, there are 'No non-derivative transactions or holdings reported,' meaning zero shares were acquired, sold, or transferred by the officer during the covered period. As a result, the SPAC's operational mechanics remain unchanged: the issuer continues its SEARCHING phase, the trust value per share holds at $10.17, and the conversion/deadline date remains 2028-01-06. No extensions, redemption triggers, or business combination milestones are documented. Why it matters: Investors tracking redemption calendars, trust value stability, extension probability, deal progress, and sponsor conduct should note this filing establishes a regulatory baseline of zero insider equity movement. While the absence of executive trades requires no immediate portfolio action, it signals that the Co-CEO/CFO has not personally deployed capital into the vehicle or accumulated positions ahead of a target announcement. For a SPAC navigating toward the 2028-01-06 deadline with a $10.17 per-share trust balance, monitoring subsequent Section 16 filings will be the primary mechanism to assess sponsor conviction or liquidity behavior before shareholder redemption windows activate. The filing contains no claims regarding customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel changes.
What changed: A routine SEC Form 3, which functions as an initial insider ownership report filed by Black Spade Acquisition III Co to formally register the starting beneficial equity position of director Tam Chi Wai Dennis. The filing states there are "No non-derivative transactions or holdings reported." Accordingly, there is no alteration to insider share alignment, no adjustment to the trust account balance, no implication for the merger timeline, no proposal to extend the business combination period, no signal regarding target identification or due diligence progression, and no evidence of sponsor trading activity or governance conduct. Why it matters: For shareholders evaluating redemption triggers, trust value maintenance, and SPAC lifecycle milestones, a zero-position Form 3 indicates no immediate insider supply-side pressure and preserves existing redemption mechanics unchanged. The document contains no figures, customer disclosures, revenue estimates, market-sizing data, strategic commitments, technology assessments, partnership announcements, litigation updates, or personnel changes. All descriptors originate strictly from the issuer’s statutory electronic filing; no executive remarks, media appearances, or third-party assertions are referenced, ensuring that no external narrative inflates the baseline regulatory content.
What changed: SEC Form 3, a routine compliance exhibit recording changes in beneficial equity or derivative positions for directors and officers of Black Spade Acquisition III Co. According to the Form 3 text, reporting person Chan Po Yi Patsy, identified as a director, stated she reported "No non-derivative transactions or holdings." The filing introduces no adjustments to share counts, option exercises, warrant conversions, or settlement values. Concerning SPAC operating mechanics, the document contains no data affecting the redemption calendar, trust distribution schedule, extension proposals, or target acquisition progress. Why it matters: Because the director confirmed unchanged positions via the submitted form, the filing signals no shift in insider capital deployment or liquidity pressure that typically influences holder redemption behavior or sponsor negotiations. In the absence of reported purchases, sales, or structural amendments, the submission provides no actionable trigger for investors weighing exit timing against the existing deadline, nor does it indicate sponsor conduct alterations regarding trust preservation or deal pursuit.
What changed: A routine compliance regulatory filing, specifically an SEC Form 3 insider ownership report. This is a Form 3 insider ownership report for Black Spade Acquisition III Co. The filing states that director Russell W. Galbut reported no non-derivative transactions or holdings. There are no updates to insider equity positions, warrant exercises, or option activities. Why it matters: For investors monitoring the SEARCHING phase and redemption timeline, this routine compliance document confirms that board-level equity positions remain static. The absence of reported share acquisitions, sales, or derivative exercises indicates no observable shift in internal capital alignment or transactional activity. No claims regarding customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel changes appear in the submission. The filing serves as a baseline administrative record rather than a strategic update.
What changed: SEC Form 3 initial insider ownership report. The filing discloses that Taylor Richard Kirby, identified in the document as a director, Co-CEO and COO, made no moves to acquire or dispose of securities during the reporting window. The text explicitly states 'No non-derivative transactions or holdings reported,' meaning zero equity or derivative positions were opened, closed, or converted. Why it matters: A Form 3 with zero reported activity does not advance or postpone the redemption deadline of 2028-01-06, modify the trust balance per share of $10.17, activate extension mechanisms, or signal movement toward a business combination. Sponsor conduct, as reflected here, shows no recent capital deployment, tender participation, or exit behavior that would typically influence redemption mechanics or warrant valuation. The document contains no assertions regarding customers, revenue, market opportunity, technology, partnerships, litigation, or management changes beyond the reporting person's current titles. All information derives directly from the submitted SEC form and the named officer's disclosed role.
What changed: A routine SEC Form 3 insider ownership report filed by director Hsieh Wing Hong Sammy for Black Spade Acquisition III Co. The filing states that director Hsieh Wing Hong Sammy reported zero non-derivative transactions and zero existing holdings. Nothing alters the January 6, 2028 deadline, the $10.17 per share trust value, extension protocols, or the sponsor’s conduct. Deal progress and capital deployment timelines remain unchanged. Why it matters: This provides no actionable signal regarding the trust account’s trajectory or potential shareholder redemption waves. The director’s static equity position, as reported by the filing itself, neither accelerates a de-SPAC transaction nor signals waning commitment to the target search mandate. Investors tracking the 2028-01-06 expiration should treat this as a neutral administrative disclosure with no impact on the $10.17 trust floor, requiring no calendar updates or trust reallocation assumptions.
What changed: Form 3 initial beneficial ownership report filed on 2026-01-05. The submission reports 'No non-derivative transactions or holdings reported,' meaning no new share acquisitions, dispositions, or derivative conversions occurred for the reporting entity. With the trust valued at $10.17 per share and a business combination deadline set for 2028-01-06, the static filing provides no signal regarding redemption thresholds, extension voting intent, or target acquisition pacing. Why it matters: Sponsors using Form 3 disclose their initial equity baseline; here, Black Spade Sponsor LLC III identifies itself as a '10% owner' without adjusting that position. This stability neither amplifies redemption risk nor indicates proactive capital deployment ahead of the deadline. The document contains no operational disclosures, including absent claims about customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel movements.
What changed: An exhibits-only Amendment No. 4 to a Form S-1 Registration Statement filed by Black Spade Acquisition III Co to register proposed public sale of securities under the Securities Act of 1933. The registrant updated Part II of the registration statement to disclose estimated issuance expenses totaling $670,000 (specifically $51,836 in SEC/FINRA fees, $100,000 in accounting fees, $25,000 in travel/road show costs, $300,000 in legal fees, $30,000 in printing/engineering costs, $80,000 in NYSE listing/filing fees, and $83,164 in miscellaneous costs). The filing confirms that on September 5, 2025, initial shareholders paid $25,000, or approximately $0.004 per share, for 5,750,000 Class B ordinary shares, and notes that up to 750,000 founder shares may be surrendered based on over-allotment exercise, including a forfeiture of 82,174 shares out of 630,000 held by insiders. The registrant also details that the sponsor and underwriters will purchase 7,550,000 private placement warrants for $3,775,000 at $0.50 per warrant, with each warrant exercisable at $11.50 per share. Additionally, Exhibit 23.1 records the January 5, 2026 consent of independent auditor WithumSmith+Brown, PC regarding the financial statements for the period from August 21, 2025 (inception) through September 5, 2025. Why it matters: While the amendment does not adjust the stated 2028-01-06 business combination deadline or alter the trust account mechanics, it materializes the capital drain from non-trust operating costs and solidifies sponsor-aligned equity structures ahead of a potential IPO. The registrant explicitly states that all officers and directors have contractually waived any right, title, interest, or claim in or to the trust account monies and will not seek recourse against the trust under any circumstances, which protects public shareholders from insider claims during redemption scenarios. The disclosed $670,000 in direct issuance expenses and the $3,775,000 private warrant commitment define the post-IPO capitalization table and indicate how much gross proceeds will be absorbed by offering costs versus deployed into the trust or available working capital. The auditor’s consent moves the registration statement closer to effectiveness, signaling active pursuit of a public listing despite the current SEARCHING status.
What changed: Form 8-A for the registration of certain classes of securities pursuant to Section 12(b) of the Securities Exchange Act of 1934. The filing registers three instrument classes for quotation on the New York Stock Exchange: units (each consisting of one Class A ordinary share and one-third of one redeemable warrant), Class A ordinary shares (par value $0.0001 per share), and redeemable warrants (exercises for one Class A ordinary share at an exercise price of $11.50). Why it matters: The exhibit satisfies regulatory requirements to activate exchange trading for the SPAC’s pre-combination equity and derivatives, establishing the official public market instruments. Because it merely duplicates prospectus descriptions rather than negotiating or disclosing new commercial data, it introduces no information about customer contracts, revenue milestones, total addressable market size, proprietary technology, strategic partnerships, active litigation, or key personnel transitions beyond the acknowledged signatory.
What changed: A correspondence letter to the SEC Division of Corporation Finance requesting acceleration of the effective date for Registration Statement on Form S-1 (File No. 333-290602). Black Spade Acquisition III Co, signed by Executive Chairman and Co-Chief Executive Officer Chi Wai Dennis Tam, asks the SEC to set the S-1 effective date to January 5, 2026, at 4:00 p.m., Eastern time, or as soon as practicable thereafter. The filing introduces no changes to redemption thresholds, trust account distributions, extension triggers, acquisition progress, or sponsor conduct protocols. Why it matters: It creates a fixed regulatory timestamp for the registration statement's effectiveness. The text reports no claims regarding customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel transitions beyond naming Kester Ng as Co-Chief Executive Officer and Chief Financial Officer, Richard Taylor as Co-Chief Executive Officer and Chief Operating Officer, and listing notification contacts at Latham & Watkins LLP (Sharon Lau at +65 6437 5464 and Stacey Wong at +65 6437 5450) and Loeb & Loeb LLP (Mitchell S. Nussbaum and David J. Levine).
What changed: SEC correspondence (CORRESP) submitted by the underwriting representatives requesting acceleration of the effective date of Black Spade Acquisition III’s Form S-1 Registration Statement. Cohen & Company Capital Markets and Chardan Capital Markets, LLC formally requested the SEC Division of Corporation Finance to permit the registration statement to become effective on January 5, 2026 at 4:00 p.m., Eastern time. Why it matters: This correspondence shifts the administrative and distribution timeline for the offering into early January 2026, which dictates when registered securities can begin trading and when fresh capital would theoretically enter the SPAC trust account. The filing makes no mention of shareholder redemption windows, extension vote deadlines, target acquisition negotiations, sponsor governance, or business operations. It contains no customer lists, revenue projections, market size data, technology disclosures, partnership announcements, or litigation updates.
What changed: A regulatory correspondence (CORRESP) from Black Spade Acquisition III Co and its underwriting representatives formally withdrawing a request to accelerate the effective date of a Form S-1 Registration Statement. The Company, joined by Cohen & Company Capital Markets and Chardan Capital Markets, LLC, withdrew the December 18, 2025 request to declare Registration Statement No. 333-290602 effective on December 22, 2025, at 4:00 p.m. Eastern time. This action pauses deal progress tied to that filing. Why it matters: Withdrawal of an acceleration request indicates the SEC may require additional amendments or responses to comments before the offering can close, or the Company has independently decided to delay capital deployment. For a SPAC in the SEARCHING phase, this defers the execution of a proposed equity offering, preserving the existing $10.17 trust balance and the January 6, 2028 deadline while signaling a temporary halt to transactions contingent on that capital raise.
What changed: A formal SEC correspondence letter withdrawing a prior submission requesting acceleration of the effective date for a Registration Statement on Form S-1. Per the filing, signatory Executive Chairman and Co-Chief Executive Officer Chi Wai Dennis Tam notifies the SEC’s Division of Corporation Finance (directed to Catherine De Lorenzo and Pam Howell at 100 F Street, N.E., Washington, D.C. 20549) that Black Spade Acquisition III Co is formally withdrawing its December 18, 2025 EDGAR request to accelerate File No. 333-290602 to 4:00 p.m. Why it matters: The document attributes strategic pacing decisions to management, indicating no current demand for accelerated effectiveness that would otherwise compress due diligence or shareholder approval periods.
What changed: Amendment No. 3 to Form S-1 (S-1/A) – a preliminary prospectus for the initial public offering of Black Spade Acquisition III Co, a Cayman Islands blank-check company seeking a business combination. The registration statement registers 15,000,000 units at $10.00 per unit, each consisting of one Class A ordinary share and one-third of one redeemable warrant. The document contains the underwriting agreement, amended and restated memorandum and articles of association, insider letter, trust agreement, and XBRL exhibits. This pre-effective amendment updates the registration statement with final executed exhibits, including the underwriting agreement (Exhibit 1.1), the amended and restated memorandum and articles of association (Exhibit 3.2), the letter agreement with the sponsor and insiders (Exhibit 10.1), and the investment management trust agreement (Exhibit 10.2). The prospectus text is updated to reflect current terms, including the trust amount of $150 million ($10.00 per public share), a 24-month business combination deadline (extendable to 27 months if a letter of intent is signed within 24 months), and detailed dilution tables under various redemption scenarios. No target has been identified, and no substantive discussions with any target are disclosed. Why it matters: The filing provides the definitive deal mechanics for this SPAC IPO, including the trust size, redemption rights, sponsor compensation (founder shares at $0.004 per share, 6.55 million private placement warrants at $0.50 each), and the lock-up and transfer restrictions on sponsor and insider shares. Dilution tables show that in a maximum-redemption scenario, the adjusted net tangible book value per share would be approximately $0.18, implying 98.2% dilution for public shareholders. The business strategy targets the leisure/entertainment and digital infrastructure sectors, with management highlighting prior SPAC successes (VinFast, TGE). Investors can assess the sponsor’s incentives, the timeline pressure, and the potential for redemption-related cash outflows.
What changed: A Rule 461 correspondence in which underwriter representatives join a request to accelerate the effective date of the Form S-1 Registration Statement. No adjustments to the January 6, 2028 redemption deadline, the $10.17 trust value per share, extension procedures, or sponsor conduct are reported. Representatives Jerry Serowik and George Kaufman formally join the company’s request to accelerate effectiveness to December 22, 2025 at 4:00 p.m., Eastern time, and confirm distribution of the Preliminary Prospectus dated December 17, 2025. Why it matters: The filing confirms ongoing registration administration rather than merger or conversion activity, so investors tracking redemption windows, trust withdrawals, or deal timelines will observe no mechanical shifts. Because the correspondence contains no acquisition targets, financial metrics, leadership appointments, or partnership disclosures, substantive analysis remains tied to the referenced prospectus documents. The procedural step merely advances the SEC review timeline as coordinated by Cohen & Company Capital Markets and Chardan Capital Markets LLC.
What changed: A Securities Act Rule 461 correspondence submitted by Black Spade Acquisition III Co to the SEC Division of Corporation Finance (Attention: Catherine De Lorenzo and Pam Howell), formally requesting acceleration of the effective date of its Registration Statement on Form S-1 (File No. 333-290602) to December 22, 2025 at 4:00 p.m., Eastern Time. The registrant, via a letter signed by Executive Chairman and Co-Chief Executive Officer Chi Wai Dennis Tam, requested the SEC advance the S-1 effectiveness window. Why it matters: Pursuant to Rule 461, accelerating an S-1 effective date typically signals that the sponsor’s underwriting syndicate, independent registered public accounting firm, and exchange listing departments have resolved comment letters and compliance holdbacks, positioning the entity to proceed toward pricing and initial distribution. For shareholders tracking timeline proximity to the stated 2028-01-06 deadline, advancing the listing calendar shortens the pre-liquidation operational window, which may affect secondary liquidity options and settlement timing.
What changed: Amendment No. 2 to Registration Statement on Form S-1, filed as an 'exhibits-only' filing by Black Spade Acquisition III Co, a blank-check company, to register its initial public offering of units. This S-1/A is an exhibits-only filing. The Company filed the full suite of IPO-related agreements as exhibits, including the Underwriting Agreement (Ex-1.1), Unit/Share/Warrant certificates, Warrant Agreement, legal opinions from Appleby and Latham & Watkins, and key transaction documents: Insider Letter (Ex-10.1), Investment Management Trust Agreement (Ex-10.2), Registration Rights Agreement (Ex-10.3), Sponsor Warrants Purchase Agreement (Ex-10.4), Underwriter Warrants Purchase Agreement (Ex-10.5), Indemnity Agreement (Ex-10.6), Administrative Services Agreement (Ex-10.9), and Code of Conduct (Ex-14.1). Previously filed documents (e.g., memorandum and articles, consents from directors and auditor) were not refiled. The body of the registration statement was unchanged and omitted. Why it matters: The filing finalizes all contractual terms for the IPO. Key points for investors: (1) Trust will hold $150 million ($10.00 per unit) at close. (2) Deadline to complete a business combination is 24 months from closing (27 months if an LOI/definitive agreement is signed within 24 months). (3) Sponsor and insiders have standard lock-ups on founder shares (6 months post-Business Combination, or earlier if share price exceeds $12.00) and private placement warrants (30 days post-Business Combination). (4) Working capital outside trust is approximately $1,105,000. (5) No target has been identified and no substantive discussions initiated, per the Underwriting Agreement. (6) The Deferred Underwriting Commission is 4% ($0.40 per unit) paid from trust upon business combination. (7) Sponsor indemnifies trust against third-party claims up to $10.00 per share. This filing moves the SPAC closer to pricing its IPO.
What changed: S-1/A (Amendment No. 1 to Form S-1) — registration statement for an initial public offering of Black Spade Acquisition III Co, a blank-check company (SPAC) seeking targets in leisure, entertainment and digital finance. The document is a preliminary prospectus subject to completion, dated December 4, 2025. Amendment No. 1 updates the registration statement with audited financial statements for the period from inception (August 21, 2025) through September 5, 2025, and revises the prospectus to be current as of December 4, 2025. No specific changes from the original S-1 are enumerated, but the amendment incorporates the latest financial data, risk factor updates, and refinements to the offering terms and sponsor disclosures. Why it matters: This filing provides the first complete prospectus for BIII's IPO, detailing a $150 million trust (or up to $172.5 million with over-allotment) at $10.00 per unit, a 24-month (or 27-month if LOI signed) deadline to complete a business combination, and shareholder redemption rights. It discloses material conflicts: sponsor paid $25,000 for 5.75M founder shares (approx. $0.004/share) and will purchase 6.55M private warrants at $0.50 each, creating substantial dilution for public investors. The prospectus also highlights the management team's track record (previous SPACs BSAQ merging with VinFast, BSII merging with TGE), target sectors (entertainment, digital infrastructure), and detailed risks around China operations (VIE prohibition, regulatory uncertainty). Investors need this to assess the SPAC's terms, sponsor incentives, and deal timeline.
What changed: A CORRESP filing consisting of a transmittal letter from counsel Latham & Watkins LLP and Black Spade Acquisition III Co’s written responses to SEC Division of Corporation Finance staff comments, submitted on December 4, 2025, to accompany Amendment No. 1 to the Form S-1 Registration Statement originally filed on September 30, 2025. The Company amended its Registration Statement to satisfy four SEC Staff directives without altering redemption timing or trust accounting. Why it matters: The SEC’s granular commentary on sponsor economics, jurisdictional enforcement friction, and conflict disclosures indicates active pre-effectiveness review of the SPAC’s structural alignment and shareholder protection framework. For investors monitoring redemption windows and sponsor behavior, the clarified $20,000 monthly administrative fee and the explicit admission of cross-border judgment enforcement limitations establish baseline assumptions about capital consumption pathways and recourse viability.
What changed: A comment letter from the Securities and Exchange Commission’s Division of Corporation Finance regarding the Form S-1 registration statement filed on September 30, 2025. The SEC staff issued directives requiring amendments to the registration statement that directly impact sponsor economics and governance disclosures. Why it matters: The SEC staff’s comments shape investor mechanics and redemption decisions ahead of the January 6, 2028 deadline. By forcing granular transparency on the '$20,000 monthly payment' and related distributions, the staff highlights ongoing cash drain and potential sponsor-shareholder misalignment that competes with preserving the current trust/share value of $10.17.
In plain English
Redemption deadlinethe last day to hand shares back for cash
Set by the filing that calls the meeting. Tender after it and the company is under no obligation to pay you the trust value.
Cash in trust / trust per sharethe cash the company is holding for each public share
Filed quarterly in the 10-Q's XBRL. It earns interest between filings, so the figure on a given day is slightly higher than the last filed one — where we show that we label it an estimate.
Accession numberthe SEC's unique id for one filing
Every figure on this page carries the accession of the filing that states it, so you can open the primary document rather than trust us.