Skip to main content
spacbrain

DNMX SEC filings, in plain English

Everything Dynamix III has filed with the SEC that we hold — 28 filings, newest first, 27 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.


The feed

live EDGAR capture

New filings appear here within minutes of hitting EDGAR; summaries follow once the pipeline has read them.

  • What changed: Amended Schedule 13G beneficial ownership report. The excerpt identifies Meteora Capital, LLC as the reporting holder; no share quantities, percentages, acquisition dates, or price data are included in the provided text. Why it matters: This routine compliance filing does not alter redemption mechanics, trust account status, extension provisions, deal-progress milestones, or sponsor conduct. Because Meteora Capital, LLC’s submission contains no numerical disclosures, the amendment provides no new operational or financial signal for investors tracking capital-structure timelines or sponsor behavior.

  • What changed: Form 10-Q quarterly report for Dynamix Corporation III (DNMX), a blank-check SPAC still searching for a business combination target. No business combination agreement or target announcement. The trust value per share rose from $10.06 at Dec. 31, 2025 to $10.22 at June 30, 2026, driven by $3,573,818 in dividends earned on trust investments. Net income was $2,287,852 for the six months ended June 30, 2026, compared to a net loss of $16,800 in the prior-year inception period. Cash and cash equivalents declined to $812,135 from $1,332,627 at year-end 2025, as operating activities consumed $876,297 in cash, partially offset by $355,805 in working capital withdrawals from the trust. The Company made $355,805 in permitted trust withdrawals for advisory services. The Company also disclosed an inadvertent payment of $29,834 to a related party in May 2026, which was repaid in July 2026. Why it matters: The filing confirms the SPAC remains in its search phase with ample time before its October 31, 2027 deadline. The trust is growing at $10.22 per share, providing a baseline for future redemptions. The cash burn rate and working capital surplus of $276,587 are manageable but show ongoing expenses. The inadvertent related-party payment, though corrected, is a minor governance flag. No material subsequent events were identified beyond that correction.

    What changed vs 2026-05-13trust $204.1M → $205.7M +1%
    trust account, sponsor loans outstanding, redeemable shares1 moved · 2 with no prior record of ours
    Trust account
    $204.1M$205.7M

    SpacBrain reads this as $1,618,568 was added to the trust between the two filings.

    The clause …“expenses 116,154 103,321 Total current assets 958,123 1,435,948 Investments held in Trust Account 205,691,208 202,473,195 Long-term prepaid insurance 14,419 35,465 Total Assets $ 206,663,750 $ 203,944,608 Liabilities, Class A Ordinary”…

    Sponsor loans outstanding
    $187K · unchanged

    The clause “Sponsor of up to $ 300,000 . On October 31, 2025, the Company repaid the total outstanding balance of the Promissory Note amounting to $ 187,075 (see Note 5). Liquidity since the Initial Public Offering has come from the funds held”…

    Redeemable shares
    20.1M · unchanged

    The clause …“value; 500,000,000 shares authorized; none issued or outstanding (excluding 20,125,000 Class A ordinary shares subject to possible redemption) as of June 30, 2026 and December 31, 2025 — — 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 beneficial ownership report, functioning as a routine regulatory compliance exhibit submitted by Glazer Capital, LLC and Paul J. Glazer. The filing contains no statements, amendments, or disclosures affecting DNMX’s redemption deadlines, trust value, extension provisions, business combination deal progress, or sponsor conduct. It offers zero operational or mechanical commentary, registering only the submission of ownership information. Why it matters: Beyond confirming the filing participation of Glazer Capital, LLC and Paul J. Glazer, the document makes no claims regarding customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel. Because it lacks substantive commentary or revised financial parameters, it does not shift investor tracking metrics or capital preservation timelines. The only numeric identifier present is accession number 0001076809-26-000080.

  • What changed: SEC Schedule 13G/A amended beneficial ownership report filed by Meteora Capital, LLC. The “/A” suffix denotes an amendment to a previously filed Schedule 13G by Meteora Capital, LLC, indicating a change in reported beneficial ownership. The provided excerpt contains no share counts, percentage calculations, transaction dates, or price ranges. Accordingly, there is no information here regarding redemption volumes, trust account adjustments, extension votes, de-SPAC deal status, or sponsor actions. Why it matters: Amendments often reflect adjusted investment theses that could influence voting alignment or liquidity preferences before any announced business combination or liquidation timeline. Because the excerpt omits the actual amended figures, purpose statements, and contact details typically required under Item 4 of Schedule 13G, investors cannot yet determine if Meteora Capital acquired additional shares, reduced its stake, or entered a related-party agreement. Full materiality depends on the attached amendment schedules showing revised holding percentages or acquisitions/dispositions relative to the outstanding public float.

  • What changed: Quarterly report on Form 10-Q for the period ended March 31, 2026. No new business combination agreement announced; SPAC remains in searching stage. Trust per-share value increased from $10.06 to $10.14 due to interest/dividends. The company withdrew $179,981 from trust interest for advisory services under the Volta Tread LLC agreement. Net income of $1,204,590 was reported for the quarter. Why it matters: Trust value per share continues to grow (to $10.14), signaling no redemption pressure yet. The advisory fee withdrawal (permitted up to 10% of interest) is ongoing, reducing trust income available to public shareholders at redemption. Deadline remains October 31, 2027.

    What changed vs 2025-12-10sponsor loan $187K → $187K
    sponsor loans outstanding, trust account, redeemable shares1 moved · 2 with no prior record of ours
    Sponsor loans outstanding
    $187K$187K

    SpacBrain reads this as $10 of sponsor debt has come off.

    The clause “Sponsor of up to $ 300,000 . On October 31, 2025, the Company repaid the total outstanding balance of the Promissory Note amounting to $ 187,075 (see Note 5). As of March 31, 2026, the Company had cash of $ 1,011,147 and working capital”…

    Trust account
    not previously extracted$204.1M

    The clause …“expenses 142,914 103,321 Total current assets 1,154,061 1,435,948 Investments held in Trust Account 204,072,640 202,473,195 Long-term prepaid insurance 25,000 35,465 Total Assets $ 205,251,701 $ 203,944,608 Liabilities, Class A Ordinary”…

    Redeemable shares
    not previously extracted20.1M

    The clause …“value; 500,000,000 shares authorized; none issued or outstanding (excluding 20,125,000 Class A ordinary shares subject to possible redemption) as of March 31, 2026 and December 31, 2025 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: Annual Report on Form 10-K for the fiscal year ended December 31, 2025. This is the first 10-K since the IPO closed on October 31, 2025. Trust account held $202,473,195 as of year-end, or $10.06 per share (up from $10.00 at IPO due to interest). The company reported net income of $784,847 for the period from inception to December 31, 2025. No business combination has been announced; the deadline remains October 31, 2027. The Sponsor transferred 75,000 founder shares to three directors, and the company paid $65,455 in advisory fees to Volta Tread LLC. Why it matters: Provides the first audited financials, confirming trust value per share ($10.06), redemption mechanisms, and that the SPAC is still searching for a target. The trust per-share value is slightly above the $10.00 IPO price, giving a modest buffer. The filing also discloses director compensation and sponsor-related party transactions, which are relevant for assessing sponsor conduct.

  • What changed: A Joint Filing Agreement (Exhibit 99.1) attached to a Schedule 13G, functioning as a joint acquisition statement pursuant to Rule 13d-1(k) that formally links the filings of Adage Capital Management, L.P., Robert Atchinson, and Phillip Gross. This exhibit contains no alterations to the SPAC’s stated redemption deadline of 2027-10-31, the existing $10.22 per share trust value, any proposed extension provisions, target search progress, or sponsor conduct. Mechanically, the document exclusively establishes a procedural framework wherein each named holder retains individual responsibility for the accuracy and completeness of their own data within the broader 13G submission, while waiving the need for separate joint acquisition statements going forward. No assertions regarding customer relationships, revenue streams, market sizing, strategic initiatives, technology platforms, commercial partnerships, ongoing litigation, or personnel changes appear in the text. Why it matters: Investors monitoring DNMX through its SEARCHING phase will use this agreement to map the underlying administrative structure behind institutional capital allocation by Adage Capital Management, L.P. alongside principals Robert Atchinson and Phillip Gross. Because the attachment governs how future beneficial ownership updates will be consolidated, it directly impacts how cumulative shareholdings will be reported relative to the 2027-10-31 liquidation trigger. While the exhibit itself contributes zero new business fundamentals, tracking joint filers provides early visibility into coordinated voting capacity and institutional sentiment before a target combination or trust dissolution occurs. Every disclosed entity is identified solely by name in this filing; no external projections, operational metrics, or performance claims are attributed to management, advisors, or market participants.

  • What changed: Schedule 13G beneficial ownership report. The filing identifies Meteora Capital, LLC as a beneficial owner of the issuer’s securities. It reports no alterations to redemption mechanics, trust account distributions, extension approvals, target acquisition milestones, or sponsor oversight activities. Why it matters: As a standard compliance exhibit confirming a passive equity stake exceeding five percent without conferring board representation or managerial control, the filing does not accelerate or delay the sponsor’s obligation to secure a business combination or trigger shareholder redemptions. The document contains no assertions regarding customer bases, revenue streams, total addressable markets, strategic roadmaps, proprietary technology, commercial partnerships, active litigation, or executive leadership.

  • What changed: A Joint Filing Agreement submitted as Exhibit 1 to a Schedule 13G beneficial ownership report, executed on January 29, 2026, between DynamixCore Holdings III, LLC and Andrea Bernatova. The filing introduces no adjustments to the redemption calendar, trust distribution mechanics, extension vote procedures, deal progress, or sponsor conduct. It legally permits DynamixCore Holdings III, LLC and Andrea Bernatova to submit a single Schedule 13G under Rule 13d-1(k) to disclose their combined beneficial ownership of Class A ordinary shares, par value $0.0001 per share, of Dynamix Corporation III. The agreement stipulates that each Joint Filer bears independent responsibility for the accuracy and completeness of their own disclosed information, with no vicarious liability unless a filer knows or reasonably believes the other’s information is incorrect. Why it matters: This administrative disclosure allows investors to track consolidated insider and affiliate positioning during the SEARCHING phase, which can inform assessments of management conviction and voting concentration ahead of a target announcement or shareholder vote. The document contains zero commercial, financial, or strategic assertions: it makes no claims regarding customers, revenue streams, addressable markets, corporate strategy, intellectual property, commercial partnerships, ongoing litigation, or executive appointments. All statements are procedural covenants authored solely by the signing parties to comply with Section 13(g) of the Securities Exchange Act of 1934 and carry no weight toward trust valuation adjustments, conversion mechanics, or default forfeiture events.

  • What changed: Quarterly report (Form 10-Q) for the period ended September 30, 2025, covering pre-IPO activities and the subsequent IPO closing. The Company consummated its IPO on October 31, 2025, raising $201,250,000 in trust ($10.00 per share), with a 24-month completion window through October 2027. No business combination target has been identified. Sponsor loans repaid, working capital loans available up to $1.5M. Why it matters: Establishes the redemption mechanics: public shareholders can redeem at $10.00 per share upon a deal or liquidation. Deadline is October 31, 2027. Trust value is $10.00 per share as of IPO, with potential interest accrual. No extension provisions disclosed. Sponsor conduct includes transfer of 75,000 founder shares to directors at $3.79 per share, subject to forfeiture if directors leave before deal.

  • What changed: Form 8-K Current Report containing a press release, announcing the mechanical separation and independent listing of Dynamix Corporation III's initial public offering units. Commencing November 19, 2025, holders may elect to separately trade the Class A ordinary shares and redeemable warrants comprising the units. The filing states that separated shares will trade under the ticker symbol "DNMX," warrants under "DNMXW," and unseparated units will retain the "DNMXU" symbol. The press release, dated November 14, 2025, specifies that no fractional warrants will be generated during this process, directing unit holders to have their brokers contact Odyssey Transfer and Trust Company to initiate the split. Why it matters: This administrative update facilitates pre-deal liquidity and allows independent pricing of the equity and derivative components without triggering changes to the redemption timeline or trust composition. Beyond the trading mechanics, the attached disclosure outlines the senior leadership team managed by Chief Executive Officer and Chairman Andrea "Andrejka" Bernatova, including Chief Financial Officer Nader Daylami and Executive Vice President of M&A and Strategy Philip Rajan. The press release further attributes to the company a stated strategy to pursue business combinations targeting opportunities within the energy, power, and digital infrastructure value chains. The filing confirms the underlying Class A ordinary shares carry a $0.0001 par value and the redeemable warrants carry a $11.50 exercise price per share.

  • What changed: A Form 8-K Current Report announcing the consummation of an initial public offering and submitting an audited balance sheet as of October 31, 2025. Per the registrant’s filing, Dynamix Corporation III closed its IPO on October 31, 2025, selling 20,125,000 units at $10.00 per unit for $201,250,000 in gross proceeds. The filing states that the company concurrently deposited exactly $201,250,000 into a trust account at J.P. Morgan Chase Bank, N.A., administered by Odyssey Transfer and Trust Company. Management reported a simultaneous private placement of 6,275,000 warrants to sponsor DynamixCore Holdings III, LLC and Cohen & Company Capital Markets/Clear Street LLC for $6,275,000. The company explicitly noted that it has not identified a target and has not initiated substantive discussions regarding a business combination. Standard mechanics govern the timeline: public shareholders retain redemption rights until 24 months from closing, warrant holders may exercise upon business combination completion or on a cashless basis if registration fails, and the sponsor has waived liquidating distribution rights on founder shares. Financial disclosures quantify an $8,050,000 deferred underwriting fee, a $40,000 monthly administrative services payment to affiliate Volta Tread LLC, and a third-party valuation team’s assignment of $284,250 fair value to 75,000 founder shares distributed to directors. Why it matters: Investors tracking the trust account observe a confirmed initial principal of $201,250,000 ($10.00 per public share), which establishes the baseline for per-share redemption pricing before interest accrues or tax withdrawals occur. The deadline remains mechanically fixed at 24 months post-closing, preserving the full redemption window without amendment or extension. The registrant acknowledged a sponsor indemnification commitment to preserve the $10.00 per share floor if trust assets depreciate, but management simultaneously disclosed that it has not verified whether DynamixCore Holdings III, LLC holds sufficient independent assets to satisfy that obligation. Structurally, the $8,050,000 deferred underwriting commission will only payout from residual trust balances after shareholder redemptions, directly dictating net cash available to acquire a target. Pre-deal operating expenditures are further defined by the recurring $40,000 monthly affiliate fee and the conditional availability of up to $1,500,000 in working capital loans that may convert into private placement warrants at $1.00 each upon transaction close.

  • What changed: Form 8-K filed by Dynamix Corporation III reporting the closing of its initial public offering (IPO) and the execution of related definitive agreements, including underwriting, warrant, trust, registration rights, and insider letter agreements. Also includes board appointments, charter amendments, and an investor presentation. The SPAC completed its IPO of 20,125,000 units at $10.00 per unit, including full exercise of the underwriters' over-allotment option, generating gross proceeds of $201,250,000. A total of $201,250,000 was placed in the trust account. Simultaneously, the company completed a private placement of 6,275,000 warrants at $1.00 per warrant to the sponsor and underwriters. The company appointed three new directors, filed an amended charter, and posted an investor presentation. Why it matters: The IPO closing establishes the trust account with $10.00 per unit redemption value and begins the 24-month completion window (deadline October 2027). The filing sets the baseline for all future redemption calculations, extension votes, and business combination announcements. Investors now have a publicly traded SPAC with a defined timeline and structure.

  • What changed: Initial public offering prospectus (424B4) for Dynamix Corporation III, a blank check company (SPAC) seeking a business combination in the energy, power, and digital infrastructure sectors. The document registers 17,500,000 units at $10.00 per unit, each consisting of one Class A ordinary share and one-half of one redeemable warrant. This is the IPO filing for the SPAC. No target has been selected; no substantive discussions initiated. Trust will hold $175.0 million ($10.00 per unit) upon closing, plus $5.75 million from private placement warrant sales to sponsor and underwriters. The deadline to complete a business combination is 24 months from the closing of this offering (approximately October 2027), with unlimited potential shareholder-approved extensions. Sponsor paid $25,000 for 6,708,333 founder shares ($0.004 per share). Management includes Andrea Bernatova (CEO), Nader Daylami (CFO), and Philip Rajan (EVP M&A). The board will include James Henderson, Diaco Aviki, and Tyler Crabtree as independent directors. Why it matters: Establishes the terms for investors evaluating whether to participate in the SPAC IPO. Key mechanics: trust value initially $10.00 per share; redemption rights upon any business combination or extension vote; 24-month deadline; sponsor and underwriters own private placement warrants at $1.00 each with transfer restrictions; anti-dilution provisions for founder shares; potential dilution from warrants and additional equity issuances; conflicts of interest between sponsor/officers and public shareholders. The filing also provides management's track record (prior SPACs: ESGEN/Zeo and Dynamix II pending with The Ether Machine) and market overview for the targeted sectors.

  • What changed: A Form 3 insider ownership report, classified as a routine regulatory compliance exhibit, filed by the SEC on behalf of issuer Dynamix Corp III for reporting person Andrea Bernatova, who holds the titles of director, CEO, and chairman and is identified as a 10% owner. Regarding the tracked mechanics, the filing explicitly states 'No non-derivative transactions or holdings reported,' indicating zero equity movement by the named executive. Consequently, the trust per share remains unchanged at $10.22, and the redemption/deadline date stays fixed at 2027-10-31. No extension filings, warrant conversions, SPAC amendment votes, or liquidity events are recorded in this submission. Why it matters: For investors monitoring redemption calendars, trust valuations, extension schedules, deal progression, and sponsor conduct, this filing confirms static insider positioning and validates the baseline capital structure ahead of any potential business combination. The issuer’s regulatory statement attributes all data to the company and the reporting officer; because the text contains no claims regarding customers, revenue streams, market size estimates, commercial strategy, proprietary technology, partnership agreements, active litigation, or additional personnel appointments, the document carries no forward-looking catalyst weight. The reported $10.22 trust-per-share metric and the 2027-10-31 expiration window proceed unmodified, and the stated 10% ownership stake faces no near-term dilution or consolidation risk until a separate merger vote or voluntary redemption threshold is triggered.

  • What changed: A Form 3 insider ownership statement filed to register initial beneficial ownership for DynamixCore Holdings III, LLC. Per the filing, no non-derivative transactions or holdings adjustments were reported. The reporting person asserts a 10% stake in Dynamix Corp III. The submission records zero changes to trust account dispositions, redemption eligibility, extension mechanisms, or business combination progress. Why it matters: Form 3 filings function as baseline Section 16 registrations rather than deal catalysts. For shareholders tracking the SEARCHING phase, the documented absence of non-derivative transactions or holdings by the 10% sponsor-aligned entity indicates static capital positioning. This suggests no imminent sponsor liquidity events, forward commitments, or strategic realignments that would compress redemption windows or accelerate merger timelines.

  • What changed: A Form 3 initial statement of beneficial ownership for Dynamix Corp III, filed by Chief Financial Officer Daylami Nader, which explicitly discloses no non-derivative transactions or holdings. In its own terms, the Form 3 reports zero insider equity movement, stating directly in its body that there are 'No non-derivative transactions or holdings reported.' Bearing on the requested mechanics, this disclosure updates neither the SEARCH-stage redemption calendar, trust-per-share composition, extension proposal window, nor any merger-negotiation milestones or sponsor conduct metrics. Subsequent to that mechanical review, the document contains no additional substantive claims regarding customer pipelines, revenue forecasts, addressable market sizing, acquisition strategy, technology platforms, partner arrangements, material litigation, or executive succession plans. Why it matters: The explicit negative certification from Chief Financial Officer Daylami Nader establishes a documented baseline for team-level equity exposure during the ongoing search period, eliminating unreported pre-deal accumulation or distribution as a variable for holders tracking sponsor alignment. Because the filing introduces no triggers for trust liquidation, redemption cutoffs, or extension votes, it operates as a routine administrative clearance that preserves the existing capital-event timeline without alteration.

  • What changed: A Form 3 — insider ownership report (routine compliance exhibit). Per the filing’s explicit statements, Reporting Person Crabtree Steven Tyler (director) has recorded zero non-derivative transactions or holdings changes. No shares, options, or warrants were acquired, sold, or exercised. Why it matters: For investors tracking the SEARCHING status, the $10.22 per-share trust balance, and the 2027-10-31 business combination deadline, this static disclosure indicates no shift in capital structure, lock-up activity, or sponsor conduct that would alter redemption timelines or extension voting dynamics. Because the SEC submission reports no equity movements, the public float remains undisturbed, leaving the deal-progress window and trust distribution mechanics entirely on schedule with no premature liquidity signals or governance interruptions. As a routine compliance entry, it reinforces baseline fiduciary oversight without advancing or delaying target identification efforts.

  • What changed: A Form 3 insider ownership report filed for Dynamix Corp III (DNMX) by director James P. Henderson, serving as an initial statement of beneficial ownership that explicitly states no non-derivative transactions or holdings were reported. The filing records zero equity movements by the named director, leaving the core redemption mechanics untouched: the trust retains its documented value of $10.22 per share, the SEARCHING status remains active, and the definitive deadline of 2027-10-31 continues without interruption from insider share accumulation, divestment, or extension requests tied to director equity compensation. Why it matters: Beyond the procedural confirmation of director holding status, the document contains no forward-looking claims, customer metrics, revenue guidance, market size estimates, technology disclosures, partnership announcements, litigation updates, or sponsor conduct descriptions. By formally logging zero direct acquisition or sale, it preserves the existing public float eligible to redeem shares against the $10.22 trust and 2027-10-31 timeline, giving investors an unadjusted baseline for tracking redemption pressure and conversion dilution prior to any target search progression.

  • What changed: A routine compliance exhibit — specifically, an SEC Form 3 (Initial Statement of Beneficial Ownership). The filing reports that director Aviki Diaco has 'No non-derivative transactions or holdings reported.' Accordingly, there is no change to insider equity positions, which leaves the $10.22 per share trust amount, the October 31, 2027 deadline, and the SEARCHING status intact as of the 2025-10-29 filing date. Why it matters: Because the document discloses no reported holdings or transactions for the named director, it provides no evidence of new insider capital deployment or share accumulation during the business combination search. The absence of reported positions does not adjust the redemption calendar, force a trust extension, or indicate a shift in sponsor conduct, though it satisfies the initial Section 16 regulatory baseline for registered public securities.

  • What changed: A routine Section 16(a) compliance exhibit — Form 3 initial statement of beneficial ownership. Registers Rajan Philip, identified by the filing as Vice President of M&A and Strategy at Dynamix Corp III, with zero non-derivative holdings or transactions. No movements in the public trust, share count, redemption window, or search clock are recorded. The $10.22 trust-per-share metric and October 31, 2027 liquidation deadline remain untouched. Why it matters: This filing solely updates an insider’s ownership baseline. It confirms the continued employment of a VP-level executive tasked with M&A and strategy but signals neither active target due diligence, bridge financing, nor upcoming redemption pressure. Sponsor conduct, deal progress, and trust value mechanics are unchanged.

  • What changed: A Form 8-A filing submitted to the U.S. Securities and Exchange Commission to register Class A ordinary shares, redeemable warrants, and units (each consisting of one Class A ordinary share and one-half of one redeemable warrant) for listing on The Nasdaq Stock Market LLC. The filing registers the enumerated equity and derivative instruments and sets the warrant exercise price at $11.50 per share. It does not modify the SPAC’s liquidation schedule, trust account terms, or extension mechanisms. According to the document, Chief Executive Officer Andrea Bernatova executed the registration on October 28, 2025, and incorporated by reference the 'Description of Securities' from a Form S-1 originally filed August 12, 2025. No adjustments to redemption windows, trust balances, or sponsor lock-up arrangements are disclosed. Why it matters: This 8-A finalizes the Section 12(b) registration prerequisite for Nasdaq trading of Dynamix III’s capital structure. For investors monitoring redemption deadlines and trust mechanics, the absence of amendments confirms that the original S-1 terms—including shareholder redemption rights, interest accrual rules, and liquidation sequencing—remain controlling. The explicit $11.50 per-share warrant strike price establishes a fixed conversion metric independent of trust value fluctuations, while the $0.0001 par value and defined unit composition specify the exact tradable vehicle. Because no exhibits are attached and no prospectus supplements are included, the filing conveys only administrative listing compliance rather than deal progress, customer metrics, or sponsor conduct updates.

  • What changed: Amendment No. 2 to a Registration Statement on Form S-1 for Dynamix Corporation III (DNMX), an IPO of 17,500,000 units at $10.00 each for a SPAC searching for a business combination. This is the second amendment to the S-1. Compared to the prior filing, this version adds three director nominee consents (James Henderson, Diaco Aviki, Tyler Crabtree) and includes an Audit Committee Charter, Compensation Committee Charter, and Compensation Recovery Policy. The number of sponsor membership units to be transferred to independent directors is stated as 25,000 each. The filing also updates the name to Dynamix Corporation III (formerly Dynamix Corporation II) and the sponsor name to DynamixCore Holdings III, LLC (formerly DynamixCore Holdings II, LLC). The offering size and trust deposit ($10.00 per unit) remain unchanged. Why it matters: This filing updates the corporate governance framework ahead of the IPO, formally establishing committee charters and a clawback policy required for Nasdaq listing. The explicit consents from the three director nominees confirm the composition of the board. For investors, the key numbers are unchanged: the 24-month deadline (October 2027), the $10.22 trust NAV, and the stated target enterprise value of $1.0-$1.5 billion in energy, power, and digital assets. However, this filing does not announce a target or an extension. The sponsor's low-cost basis ($0.004 per founder share) creates a structural conflict, meaning the sponsor is incentivized to complete any deal to avoid losing its investment, which could pressure public shareholders.

  • What changed: Amendment No. 1 to Registration Statement on Form S-1 (S-1/A) for Dynamix Corporation III, a blank check company seeking an initial public offering of 17,500,000 units at $10.00 per unit. The document is a preliminary prospectus containing all terms of the offering, including the trust account, redemption rights, warrants, sponsor economics, conflicts of interest, and risk factors. This is the first amendment to the initial S-1 filing. It updates the prospectus with audited financial statements as of June 30, 2025, and finalizes the offering terms: $10.00 per unit deposited in trust, 24-month deadline to complete a business combination, 17,500,000 units offered (plus 2,625,000 overallotment), and underwriting discounts including $0.40 per unit deferred commission. The document also includes updated disclosure on the business strategy (focusing on energy, power, and digital infrastructure), management backgrounds, sponsor compensation, and conflict-of-interest arrangements. Why it matters: The filing is the definitive registration statement for the SPAC IPO, allowing investors to evaluate the trust value ($10.00 per public share), the 24-month deadline (through approximately September 2027), redemption mechanics (unconditional for all public shareholders, with a 15% limit on group redemptions), and the extreme dilution from founder shares purchased at $0.004 per share. It also details sponsor payments, including $40,000/month administrative fees, up to $300,000 loan repayment, and potential working capital loans convertible into warrants. These terms are essential for assessing the sponsor's incentives and the risks to public shareholders.

  • What changed: A corporate correspondence (CORRESP) responding to a Division of Corporation Finance comment letter dated September 8, 2025, submitted on behalf of Dynamix Corporation III by counsel Gibson, Dunn & Crutcher LLP, concurrently filing Amendment No. 1 to its Form S-1 Registration Statement filed August 12, 2025. Per directives from the SEC Staff, the Company updated its prospectus summary, risk factors, underwriting section, and cover page disclosures to add: (1) explicit limitations on redemption rights and descriptions of permitted trust account withdrawals; (2) comprehensive sponsor and promoter compensation tables showing cashless exercises of private placement warrants, working capital loan warrants, anti-dilution adjustments to maintain a 25% founder share interest, and allowances for sponsor-affiliate salaries or fees tied to the business combination; (3) a direct warning of actual or potential material conflicts of interest between sponsors, affiliates, promoters, and purchasers; (4) confirmation that Class B ordinary shares hold voting rights on director appointments; (5) tabular details of underwriter lock-up agreements; (6) historical extension counts and redemption levels from each officer and director’s prior SPACs; (7) stated contingency plans, extension caps, and sponsor penalty structures if a de-SPAC transaction is not consummated within 24 months; (8) a commitment to evaluate additional financing beyond offering and private placement proceeds to acquire businesses larger than current capital allows, alongside an assessment of how such financing affects unaffiliated security holders; (9) a risk factor stating that investing in U.S. government securities or Rule 2a-7 money market funds does not guarantee avoidance of Investment Company Act classification; and (10) an updated underwriter compensation table incorporating private placement warrants, which FINRA has classified as compensation. Why it matters: These amendments materially redefine the economic and governance parameters surrounding the SPAC’s lifecycle. By codifying redemption restrictions and defining permissible trust withdrawals, the filing establishes operational guardrails for capital preservation versus public holder payouts. The stated 25% anti-dilution floor, affiliate compensation structures, and explicit conflict warnings quantify the structural equity retention favoring promoters, directly impacting per-share value dilution if the trust is not fully redeemed. The documented 24-month completion target, paired with defined extension limits and sponsor consequences, dictates the execution urgency relative to tracking timelines. Historical redemption and extension data provided by management establishes behavioral precedents for anticipated liquidity events and timeline stress. Furthermore, the Company’s stated intent to secure supplementary financing to pursue larger targets introduces foreseeable secondary capital raises that could alter trust utilization mechanics, increase base dilution, or trigger bridge financing conditions before a business combination closes. Counsel confirmed all revisions were incorporated into the Amendment solely to satisfy the Staff’s September 8, 2025 comment letter.

  • What changed: SEC Division of Corporation Finance Staff Comment Letter on Form S-1 Registration Statement. This document is a regulatory review comment letter dated September 8, 2025, responding to the August 12, 2025 S-1 filing. According to the SEC staff, amendments must explicitly disclose any limitations on shareholder redemption rights and provide a description of permitted withdrawals from the trust account. Regarding sponsor conduct and structural economics, the letter mandates disclosure of material conflicts between sponsors/promoters and purchasers, the company’s plan to maintain a 25% founder share interest via anti-dilution adjustments at business combination conversion, potential compensation paid to sponsor affiliates, and the inclusion of private placement warrants in underwriter compensation tables per FINRA classification. For timeline and execution tracking, the staff requires clear plans for missing the 24-month deadline, including extension frequency limits and sponsor penalties, alongside a request for historical extension counts and redemption rates for every prior SPAC managed by the current team. The filing further notes the company’s stated intention to secure additional financing to pursue targets larger than current offering proceeds allow. Why it matters: Investors monitoring redemption deadlines and trust liquidity must await amended prospectus language that defines exact trust withdrawal triggers and redemption caps, as these dictate liquidation economics versus business combination valuation. The mandated transparency around the 25% founder share economic carve-out, potential cashless exercise of private placement warrants, and working capital loan conversions quantifies baseline dilution risk that could erode public holder value if executed aggressively. The SEC’s insistence on prior SPAC extension and redemption metrics provides a verifiable benchmark for evaluating sponsor discipline ahead of any deadline extension vote. Additionally, the company’s disclosed strategy of seeking supplementary capital to exceed current capital permits highlights execution dependency and potential third-party dilution pathways. Compliance warnings regarding Rule 2a-7 money market investments failing to automatically exempt the entity from Investment Company Act designation also signal ongoing structural negotiation with regulators that could constrain asset deployment or trigger reclassification risks during the search period.

  • What changed: Registration statement on Form S-1 for the initial public offering of Dynamix Corporation III, a blank-check company formed to acquire a business in the energy, power, and digital infrastructure sectors. This is the first public filing for Dynamix III. It establishes the terms of the IPO: 15,000,000 units (plus overallotment) at $10.00 per unit, each unit consisting of one Class A ordinary share and one-half of one redeemable warrant. The trust will hold $10.00 per unit ($150 million, or $172.5 million if overallotment exercised). The sponsor (DynamixCore Holdings III, LLC) holds 5,750,000 founder shares purchased for $25,000 (approx. $0.004 per share). The SPAC has 24 months from closing to complete a business combination. Redemption rights are provided to public shareholders upon any business combination vote or tender offer. The filing also includes details on the private placement of 5,250,000 warrants to the sponsor and underwriters. Why it matters: Investors can now evaluate the exact trust per-share value ($10.00), the 24-month deadline, the sponsor's low cost basis (creating potential dilution), and the redemption mechanics. The filing also confirms the focus on energy, power, and digital infrastructure targets. This is the foundational document for the SPAC, and any future amendments or business combination filings will be compared against these terms.

The complete DNMX filing history on EDGARopens on sec.gov in a new tab


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.