HLXC SEC filings, in plain English
Everything Helix Acquisition III has filed with the SEC that we hold — 33 filings, newest first, 31 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: Form 8-K current report and routine compliance exhibit notifying regulators and markets of a Nasdaq listing deficiency. On August 14, 2026, Nasdaq issued a written notice stating Helix Acquisition Corp. III failed to meet Listing Rule 5452(a)(2)(A), specifically the requirement to maintain at least 300 total shareholders. The company has 45 calendar days to submit a compliance plan and may petition for an extension of up to 180 calendar days. Class A ordinary shares under ticker HLXC remain listed and tradable on the Nasdaq Global Market pending resolution. This filing does not alter the January 23, 2028 termination deadline, trust value per share, or redemptions mechanics. Why it matters: A contraction in shareholder count diminishes secondary market liquidity and concentrates ownership, which can complicate public trading dynamics ahead of the specified liquidation window. Although Nasdaq characterizes the correspondence as a deficiency notification rather than an imminent delisting order, failure to submit an acceptable cure plan or secure the full extension period triggers appeal proceedings before a Nasdaq Hearings Panel. Such hearings introduce regulatory uncertainty that could distract the sponsor and executive team during any active business combination negotiations. The registrant attached standard forward-looking statement disclaimers cautioning that compliance is not guaranteed and that stock price volatility or adverse business effects may occur. Bihua Chen, serving as Chairperson and Chief Executive Officer, executed the report on behalf of Helix Acquisition Corp. III, formally attributing the company's intent to monitor holder counts and evaluate compliance options to corporate management.
What changed: Quarterly report (Form 10-Q) for the period ended June 30, 2026, from Helix Acquisition Corp. III, a blank-check SPAC. This is the first 10-Q since the IPO; it reports the trust account funded at $175,054,966 ($10.15 per public share), net income of $1,334,048 for the quarter and $2,175,021 for the six months from interest earned, and a correction of an immaterial EPS error for the prior quarter. No extensions, deals, or redemptions are disclosed. Why it matters: The SPAC remains in the searching phase with a deadline of Jan. 23, 2028. The trust is fully funded with yield accumulating, and management reports sufficient liquidity to operate. No business combination target is announced. The EPS correction (private placement shares omitted from Class A basic shares for Q1 2026) is an accounting cleanup but does not affect trust value or redemption mechanics.
What changed vs 2026-05-15trust $173.6M → $175.1M +1%trust account, redeemable shares1 moved · 1 with no prior record of ours
- Trust account
- $173.6M$175.1M
- Redeemable shares
- 17.3M · unchanged
SpacBrain reads this as $1,486,840 was added to the trust between the two filings.
The clause …“offering costs — 252,996 Long-term prepaid insurance 68,165 — Investments held in Trust Account 175,054,966 — TOTAL ASSETS $ 177,485,487 $ 307,337 Liabilities and Shareholders’ Deficit Current liabilities Accrued offering costs $”…
The clause “0,000 shares authorized; 497,500 and 0 shares issued and outstanding (excluding 17,250,000 and 0 shares subject to possible redemption) at June 30, 2026 and December 31, 2025, respectively 50 — 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: Schedule 13G/A amended beneficial ownership report filed August 14, 2026, listing Balyasny Asset Management L.P., BAM GP LLC, Balyasny Asset Management Holdings LP, Dames GP LLC, and Dmitry Balyasny as the reporting persons. The provided filing text contains only entity names and identification lines; it discloses no share counts, ownership percentages, transaction dates, purchase or sale activity, amendment explanations, redemption events, trust adjustments, extension motions, or updates on business combination searches or sponsor conduct. Why it matters: Because the excerpt omits all quantitative position data and lacks any statements from HLXC management, the sponsor, or third-party advisors, it does not alter the January 23, 2028 deadline, current trust valuation framework, or any ongoing target evaluation. With no executive, sponsor, or consultant making claims about customers, revenue, market size, technology, partnerships, litigation, or personnel in this document, investors tracking redemption windows, trust mechanics, or deal milestones will find no actionable calendar or structural updates here and should monitor subsequent prospectus supplements, definitive proxies, or amended 13D filings for substantive changes.
What changed: Quarterly report (Form 10-Q) for Helix Acquisition Corp. III, a blank-check company still searching for a business combination. Trust account rose to $173,568,126 ($10.06 per share) from $0 at year-end as IPO proceeds were placed and $1,068,126 of interest earned. Cash from operations used $416,177. No business combination target selected; 24-month deadline runs to January 2028. Why it matters: Confirms trust value per share ($10.06) is above $10.00 IPO price, providing a floor for redemptions. No deal progress indicates the SPAC remains early in its search cycle. Sponsor conduct standard; no working capital loans outstanding. Investors can monitor future filings for any target announcement.
What changed: This document is a Schedule 13G, a routine SEC compliance exhibit filed to disclose that Nantahala Capital Management, LLC, Wilmot B. Harkey, and Daniel Mack hold or have acquired a beneficial ownership interest exceeding five percent of Helix Acquisition III’s outstanding voting securities. Regarding redemption deadlines, trust value, extensions, deal progress, and sponsor conduct: the provided filing text discloses none of these items. It contains no share quantities, acquisition dates, dollar amounts, percentage thresholds, voting instructions, or transaction mechanics. Consequently, there is no reported action that would accelerate or suspend redemptions, adjust the trust balance, propose a business combination continuation or extension vote, advance a target search, or reflect sponsor governance or behavioral conduct. Why it matters: Regarding additional substance: the excerpt contains zero claims about customers, revenue, market size, corporate strategy, technology, partnerships, pending litigation, or personnel changes. Because the text includes no attributed statements, managerial commentary, or operational disclosures, it provides no factual basis for evaluating Helix Acquisition III’s trajectory. The filing’s sole informational content is the registration of three named holders; without accompanying percentages, a statement of intent, or a subsequent amendment, their position cannot be distinguished from passive investment or prior accumulation. The $10 per share trust value and the January 23, 2028 deadline referenced in your parameters originate exclusively from your query metadata, not the document itself, and the filing introduces no independent figures. For investors tracking a SPAC in SEARCHING status, this exhibit does not alter the redemption calendar, warrant/pricing mechanics, or governance posture. It simply confirms a reportable block exists. material: false, confidence: 0.95
What changed: A Schedule 13G joint filing agreement executed by ADAR1 Capital Management, LLC and Daniel Schneeberger to consolidate their beneficial ownership reporting for Class A Ordinary Shares, par value $0.0001 per share, of Helix Acquisition Corp. III. The filing introduces no adjustments to the redemption calendar, trust account balance, extension mechanisms, business combination timeline, or sponsor governance. The signatories simply established a procedural mechanism under Rule 13d-1(k)(1) to file a single quarterly beneficial ownership update on behalf of both the management firm and its manager. Why it matters: While the exhibit contains zero narrative on customer traction, revenue projections, market sizing, technology deployments, partnership agreements, litigation status, or personnel movements, the joint reporting structure itself alters how future accumulation or divestment will be disclosed. By bundling ADAR1 Capital Management and Daniel Schneeberger’s filings, the signatories reduce disclosure fragmentation, which investors monitoring the January 23, 2028 deadline should track for coordinated signaling ahead of any proposed merger vote or trust distribution event.
What changed: A routine Schedule 13G beneficial ownership report naming Balyasny Asset Management L.P., BAM GP LLC, Balyasny Asset Management Holdings LP, Dames GP LLC, and Dmitry Balyasny as the reporting persons. This filing excerpt reports no revisions to the redemption timeline, trust distribution mechanics, extension provisions, deal execution status, or sponsor governance. The text contains only entity and individual identifiers for Section 13(d) disclosure purposes, with no accompanying share counts, purchase prices, or transaction timestamps. Why it matters: For investors monitoring HLXC’s SEARCHING trajectory and 2028-01-23 deadline, Schedule 13G submissions serve as the primary regulatory mechanism for tracking institutional float concentration and potential coordinated voting alignments ahead of a target announcement. The current excerpt, however, omits Exhibit 99.1 and the mandatory CUSIP/share tally table required to quantify position size, assess sole versus shared voting/investment power, and evaluate the stated purpose of the holdings under Item 4. Consequently, tendering pressure, secondary market liquidity shifts, or sponsor trust-value sensitivity cannot be derived from this cover sheet alone. Until the complete filing is available, the mechanical impact on redemption windows and post-transaction capital structure remains unobservable.
What changed: Schedule 13G beneficial ownership report and Exhibit 99.1 joint filing agreement executed by Affinity Asset Advisors, LLC and Michael Cho on May 14, 2026. The provided filing text contains only the joint filing agreement; the Schedule 13G body detailing share quantities, ownership percentages, acquisition dates, and investment purpose is absent. Accordingly, the document discloses no changes to redemption windows, trust value mechanics, extension voting schedules, proposed business combination progress, or sponsor conduct. Why it matters: Without the primary Statement of Acquisition of Beneficial Ownership, investors cannot determine whether Affinity Asset Advisors or Michael Cho crossed regulatory reporting thresholds, altered positions ahead of the stated 2028-01-23 deadline, or indicated intent to support a de-SPAC transaction. The exhibit solely establishes that Andrew Weinstein, signed in the document as Chief Financial Officer and Chief Compliance Officer of Affinity, and Michael Cho (who signs in self-representative capacity) will share filing responsibilities under Rule 13d-1(k). Because the document contains no share counts, dollar values, purpose statements, or strategic commentary, it provides no basis for evaluating redemption mechanics, trust distribution, or management signaling.
What changed: A Schedule 13G beneficial ownership report, functioning as a routine compliance exhibit. The filing text provides zero updates to the stated 2028-01-23 redemption deadline, the $10 trust per share, the SEARCHING corporate status, any proposed extension timeline, or sponsor conduct indicators. It merely registers holding entities without disclosing purchase volume, cost basis, or transaction dates. Why it matters: For investors monitoring pre-deal SPAC mechanics, this disclosure carries no operational or financial commentary to evaluate. It contains no claims attributable to management, sponsors, or third parties regarding target pipelines, customer concentrations, revenue trajectories, addressable market sizing, technological capabilities, strategic alliances, pending litigation, or key personnel adjustments. Without a filed business combination agreement, charter amendment, or sponsor commitment letter, the submission reflects baseline equity registration rather than a catalyst for capital deployment, redemption threshold shifts, or trust administration changes.
What changed: A Joint Filing Agreement (Exhibit I) attached to a Schedule 13G/A, executed by Integrated Core Strategies (US) LLC, Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander to consolidate their beneficial ownership reporting for Helix Acquisition Corp. III Class A Ordinary Shares, par value $0.0001 per share, under Rule 13d-1(k). This exhibit contains no share quantities, percentages, or transaction dates. It solely authorizes the four affiliated parties to file one unified Schedule 13G/A. As a result, the document reports no adjustments to redemption schedules, trust account distributions, extension resolutions, target acquisition timelines, or sponsor governance conduct. Why it matters: It confirms that Millennium Management LLC and principal Israel A. Englander maintain coordinated institutional exposure to HLXC through nested management vehicles. For investors monitoring capital positioning ahead of the 2028-01-23 search deadline, the filing signals continued institutional oversight rather than a tactical unwind. Because the substantive Schedule 13G/A body detailing exact share thresholds or acquisition dates is not included in the excerpt, the document does not quantify redemption liability, trust erosion risk, or sponsorship intent, but it provides baseline attribution of a major multi-strategy fund's pipeline coverage.
What changed: 10-K annual report for fiscal year ended December 31, 2025, filed by Helix Acquisition Corp. III (HLXC), a blank check company. First annual report since IPO (January 26, 2026). Reports no operations, net loss of $51,482, IPO proceeds of $172.5 million placed in trust ($10.00 per share), private placement of $4.975 million, transaction costs of $7.5 million. Sponsor holds 4,312,500 Class B shares (21.5% of total) acquired for $25,000. Deadline to complete initial business combination is 24 months from IPO (January 26, 2028). No business combination target identified. Provides detailed risk factors and redemption mechanics. Why it matters: Establishes baseline trust value ($10.00 per share), deadline (Jan 2028), sponsor cost basis ($0.006 per founder share, significant dilution potential), and redemption procedures. Critical for investors monitoring timeline, sponsor incentives, and potential for value erosion.
What changed: A routine compliance exhibit—a Joint Filing Agreement dated February 2, 2026—attached to a Schedule 13G/13D beneficial ownership report. Under Rule 13(d)(1)(k), RA Capital Management, L.P., Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund, L.P. mutually agreed to file a single consolidated schedule covering their holdings in Helix Acquisition Corp. III Class A ordinary shares ($0.0001 par value). The agreement permits termination by any party with one week’s prior written notice. It contains no disclosures affecting HLXC’s redemption window, trust account mechanics, extension voting procedures, business combination pipeline, or sponsor fiduciary actions. Why it matters: The filing is a structural disclosure artifact rather than a transactional update. It does not signal shifts in ownership concentration, target commitment, or capital structure changes relevant to holder redemptions or extension elections. Because neither the agreement nor the accompanying exhibit includes claims regarding customers, revenue streams, market positioning, technological assets, strategic partnerships, ongoing litigation, or executive appointments, it delivers no substantive operational intelligence beyond confirming routine regulatory bundling among affiliated investment vehicles.
What changed: This document is a Schedule 13G beneficial ownership reporting form accompanied by Exhibit I, a joint filing agreement, confirming that Integrated Core Strategies (US) LLC, Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander will file together regarding their combined beneficial ownership of Helix Acquisition Corp. III class A ordinary shares, dated January 29, 2026. The filing discloses no change in the number or percentage of shares held, and makes no reference to the trust account balance, redemption thresholds, conversion mechanics, extension votes, target business progress, or sponsor conduct. It solely establishes a procedural agreement under Rule 13d-1(k) to submit coordinated ownership reports. The only numerical value cited is the shares’ par value of $0.0001 per share, which appears exclusively in the exhibit text. Why it matters: Because the exhibit contains no quantitative disclosure of equity positions, voting agreements, or purchase commitments beyond the standard joint-filing designation, it provides no information that would adjust the existing search deadline, signal potential redemption activity, indicate a pipeline transaction, or reflect sponsor management behavior. The substantive content is restricted to execution signatures by Gil Raviv, identified as Global General Counsel across the holding entities, and Israel A. Englander, with zero claims attributed to any chief executive or fund operator regarding customers, revenue, market size, strategy, technology, partnerships, or litigation. Consequently, the filing carries no material impact on current capital allocation timelines, trust preservation calculations, or shareholder voting calendars.
What changed: Form 8-K Current Report announcing the consummation of the Initial Public Offering (IPO) and simultaneous Private Placement, accompanied by audited financial statements andXBRL data files. According to the Registrant’s filing, on January 26, 2026, Helix Acquisition Corp. III completed its IPO of 17,250,000 Class A ordinary shares at $10.00 per share, generating $172,500,000 in gross proceeds, which incorporated the full exercise of a 2,250,000-share over-allotment option. The filing states that simultaneously with the IPO, the Sponsor, Helix Holdings III LLC, purchased 497,500 private placement shares at $10.00 per share for $4,975,000. The Notes to Financial Statement disclose that $172,500,000 from the net proceeds was placed into a U.S.-based trust account maintained by Continental Stock Transfer & Trust Company. The company’s completion window is set for 24 months from the January 26, 2026 closing. As reported by management in the Notes, the Company has not selected a specific target and has not engaged in substantive discussions regarding an initial business combination. Transaction costs amounted to $7,505,053, consisting of a $1,725,000 cash underwriting fee, a $5,175,000 deferred underwriting fee, and $605,053 in other offering costs. The audited balance sheet as of January 26, 2026, reflects $3,275,000 in cash outside the trust, $128,912 outstanding on a related-party promissory note, and an administrative support agreement committing to pay the Sponsor $6,458 monthly. Why it matters: This filing activates the timeline, capitalization framework, and redemption mechanics for all tracked metrics. The $172,500,000 in the trust account establishes the funding pool for the 17,250,000 public shares, with management noting the initial anticipated redemption value is $10.00 per Public Share. The Notes specify that public shareholders may redeem shares via shareholder vote or tender offer, and the Sponsor has contractually waived redemption and liquidating distribution rights for its founder and private shares if a combination is not completed within the 24-month window. The underwriters have agreed to waive the $5,175,000 deferred commission if the Company fails to consummate a business combination, preserving those funds for pro-rata public shareholder distributions. To safeguard the trust, the Sponsor has pledged personal liability to cover third-party creditor claims that would otherwise reduce the trust below $10.00 per share (net of taxes and up to $100,000 of interest earmarked for dissolution expenses). Operating liquidity rests on the $3,275,000 of non-trust cash, though management cautions that expenditures could outpace reserves if target identification, due diligence, and negotiation costs exceed projections.
What changed: An Indemnity Agreement, dated January 22, 2026, filed as Exhibit 99.6 to a Schedule 13D submission on January 30, 2026, executed between Helix Acquisition Corp. III and Bihua Chen. The agreement establishes contractual indemnification, hold harmless, exonerate, and expense-advancement rights for Bihua Chen, who executes the document in dual capacities as Chairperson and Chief Executive Officer of the Company and as the named Indemnitee. Regarding trust and redemption mechanics, Section 27 explicitly states that the Indemnitee waives any right, title, interest, or claim to the trust account monies, noting that indemnification obligations may only be satisfied by the Company using funds outside the trust or after consummating an initial business combination. The filing sets a 10-day advance-payment trigger upon request, a 30-day entitlement-review window (with an allowable extension of up to 15 days), a 2-year limitation period for company claims against the Indemnitee (Section 25), and a Change-in-Control definition tied to acquisitions of 15% or more voting power or ownership exceeding 51% post-transaction. Administrative disclosures identify Cormorant Asset Management LP at 200 Clarendon Street, 52nd Floor, Boston, MA 02116 as the Company's service address, and White & Case LLP (Attn: Joel L. Rubinstein, Esq., 1221 Avenue of the Americas, New York, NY) as counsel. Section 28 obligates the Company to use commercially reasonable efforts to maintain directors-and-officers liability insurance covering the Indemnitee on terms no less favorable than those accorded to the most favorably insured officer or director. No target business, customer base, revenue streams, market-size estimates, technology roadmaps, partnership deployments, per-share trust valuation, redemption deadline, extension filings, or sponsor investment commitments are stated in the document. Why it matters: By contractually fencing executive indemnification and D&O insurance costs away from the trust account, the agreement structurally protects public shareholder redemption capital from future litigation expenditures and confirms that management risk-sharing will not draw down trust proceeds until a business combination closes. The explicit trust-account waiver aligns executive incentives with deal completion, while the detailed advance-expense windows, arbitration pathways, and Cayman Court jurisdiction provisions outline how the Company plans to fund and defend potential proceedings independently of SPAC liquidity. Because the filing contains only corporate governance and risk-allocation provisions, it signals no immediate acquisition milestone, extension notice, or change to the redemption calendar.
What changed: This document is an amended insider ownership report (Form 4/A), functioning as a routine compliance exhibit tracking changes in beneficial ownership. The filing records that Chen Bihua (identified in the submission as director, Chairperson and CEO, and a 10% owner) and Helix Holdings III LLC (also listed as a 10% owner) executed acquisitions on 2026-01-26 comprising a grant/award transfer of 497,500 shares and an open-market purchase of 800,000 shares, both priced at $10 per share. These trades do not alter the stated 2028-01-23 redemption deadline, necessitate no trust-share adjustments, involve no extension voting procedures, indicate zero forward movement on business combination execution, and solely reflect sponsor conduct through direct cash-based equity accumulation while the SPAC remains in a searching status. Why it matters: Investors tracking sponsor skin-in-the-game and capital deployment ahead of a de-SPAC vote can observe that both the named executive and a 10%-owned corporate affiliate deployed capital to acquire common stock at the reported $10 level rather than accepting default founder allocations alone. The filing contains no assertions regarding customer contracts, revenue run-rate or projections, total addressable market sizing, product or platform development milestones, joint ventures, supply agreements, pending or threatened litigation, or subsequent personnel appointments beyond the titles already disclosed. All ownership percentages, transaction dates, share volumes, and unit prices originate strictly from the provided SEC transaction log.
What changed: Form 8-K filed to report the consummation of Helix Acquisition Corp. III's initial public offering on January 26, 2026, including the full exercise of the underwriters' over-allotment option, the private placement to the sponsor, the appointment of independent directors, and the adoption of the amended and restated memorandum and articles of association. Helix Acquisition Corp. III completed its IPO of 17,250,000 Class A ordinary shares at $10.00 per share, including 2,250,000 shares from the full over-allotment exercise, generating gross proceeds of $172,500,000. Concurrently, the sponsor purchased 497,500 private placement shares at $10.00 per share, contributing $4,975,000. Total of $172,500,000 was placed into the trust account. The SPAC now has 24 months from the IPO closing (until January 26, 2028) to complete an initial business combination. The company's amended charter was filed, and two independent directors (Mark C. McKenna and John Schmid) were appointed to the board. Why it matters: This filing establishes the trust at $10.00 per share and starts the 24-month deadline for a business combination. Public shareholders have redemption rights upon a deal or at liquidation. Sponsor founder shares are locked up for 180 days after a deal, and private placement shares for 30 days. The sponsor has waived redemption rights on its private placement shares. No target has been identified; the company intends to focus on healthcare or healthcare-related industries. The appointment of independent directors and adoption of a classified board are standard governance features.
What changed: SEC Form 4 insider ownership report. The filing reports that director, chairperson, and CEO Chen Bihua and affiliate Helix Holdings III LLC each acquired 497,500 shares via a grant/award on January 26, 2026, at $10 per share. Following the transactions, each reporting person holds 497,500 shares and is classified as a 10% owner. Why it matters: This document updates promoter and executive equity positions but does not modify the January 23, 2028 redemption deadline, the $10 trust per share baseline, or the SEARCHING status. The reported insider accumulation does not mechanically trigger redemptions, shift trust value calculations, or indicate active merger negotiations, target due diligence, extension proposals, or litigation. The filing contains no claims regarding customers, revenue, market size, strategy, technology, partnerships, or personnel beyond the reporting persons' titles and ownership percentages.
What changed: A prospectus filed pursuant to Rule 424(b)(4) for the initial public offering (IPO) of Helix Acquisition Corp. III (HLXC), a blank check company (SPAC) formed to effect a business combination, with no target selected yet. This is the final prospectus for the IPO, dated January 22, 2026. It establishes the terms of the offering: 15,000,000 Class A ordinary shares at $10.00 per share, for gross proceeds of $150,000,000 (or $172,500,000 if the underwriters' over-allotment option is exercised in full). The trust account will hold $150,000,000 (or $172,500,000) at closing. The completion window is 24 months from the closing of the offering (expected to close on or about January 26, 2026), with a potential extension up to 36 months, subject to shareholder approval. The prospectus confirms no target has been selected and no substantive discussions have occurred. It discloses the sponsor's commitment to purchase 475,000 private placement shares (or 497,500 if over-allotment is exercised) at $10.00 per share, and the founder shares held by the sponsor and independent directors. It details redemption rights, the 20% redemption limit per beneficial owner/group, the $10.00 per share initial trust value, and the process for redemptions (either via tender offer or shareholder vote). Why it matters: This is the foundational document for the SPAC's timeline and economics. Investors can now track the 24-month deadline from the offering's closing date (January 26, 2026), which is the key deadline for the initial business combination. The trust value is confirmed at $10.00 per share initially. The document outlines the sponsor's financial incentives (low-cost founder shares, private placement shares) and the potential for dilution, as well as the redemption mechanics and the restrictions on large holders. It also highlights the track record of the management team (Helix I and Helix II), which may influence investor expectations, though past performance is not a guarantee. The disclosure of no target and no discussions sets the baseline for future deal announcements.
What changed: Form 8-A for registration of certain classes of securities under Section 12(b) of the Securities Exchange Act of 1934, filed to register Helix Acquisition Corp. III’s Class A ordinary shares for listing on The Nasdaq Stock Market LLC. The filing registers the Class A ordinary shares, par value $0.0001 per share, and incorporates by reference the security description from the Registrant’s Form S-1 prospectus (File No. 333-291993, originally filed December 8, 2025). Regarding SPAC mechanics, the document contains no amendments to redemption calendars, trust account valuations, extension procedures, business combination progress, or sponsor conduct; it executes a standard listing registration. Item 2 confirms no exhibits are required because no additional securities are registered on Nasdaq and the registration operates exclusively under Section 12(b). Bihua Chen, identified in the document as Chairperson and Chief Executive Officer, signed the filing on January 22, 2026. The document makes no substantive claims regarding customers, revenue, market size, technology, partnerships, or litigation. Why it matters: This is an administrative exchange-listing confirmation rather than an operational or transactional disclosure. For investors tracking HLXC, the filing verifies the formalization of the public share class but delivers no independent updates on the stated liquidation deadline, per-share trust balances, or sponsor signaling ahead of a de-SPAC merger. Subsequent 8-Ks, proxy statements, or prospectus supplements referencing the incorporated S-1 registration statement will be required to disclose trust-account adjustments, shareholder vote results, or extension approvals.
What changed: A Form S-1 Registration Statement filed pursuant to Rule 462(b), registering an additional 2,875,000 Class A ordinary shares, par value $0.0001 per share, of Helix Acquisition Corp. III, and incorporating by reference a Prior Registration Statement initially filed December 8, 2025, amended January 16, 2026, and declared effective January 22, 2026. The registrant immediately supplementalizes its effective shelf to cover an additional 2,875,000 Class A ordinary shares, inclusive of 375,000 shares reserved for underwriter over-allotment coverage. Pursuant to Rule 462(b), the filing became effective upon SEC submission on January 22, 2026. Chairperson and Chief Executive Officer Bihua Chen certifies that the registrant directed its bank to wire the Exhibit 107 filing fee no later than the close of business on January 23, 2026, and confirms receipt of payment instructions. Directors and officers, including Bihua Chen, Caleb Tripp, Mark McKenna, and John Schmid, executed the document on January 22, 2026. The filing lists legal opinions from Maples & Calder (Cayman) LLP and consent letters from WithumSmith+Brown, PC and Maples & Calder (Cayman) LLP. Why it matters: This Rule 462(b) supplement expands the registered offering capacity by 2,875,000 shares, which alters the maximum aggregate offering price, shifts potential underwriting compensation tiers, and increases the baseline share count subject to future redemption or conversion without requiring a second declaration of effectiveness. The document contains no updates to trust account valuation, redemption trigger dates, extension mechanisms, business combination targets, sponsor governance changes, customer contracts, revenue streams, or technology roadmaps. All mechanical adjustments and representational statements originate exclusively from the registrant, its principal executive office at 200 Clarendon Street, 52nd Floor, Boston, MA 02116, and its appointed agents and counsel. Investors should consult the incorporated Prospectus (File No. 333-291993) for trust terms, voting thresholds, and liquidation timelines, none of which are modified in this filing.
What changed: Form 3 — an insider ownership report filed to declare beneficial ownership of securities acquired directly or indirectly. The filing identifies Chen Bihua (described in the text as director, Chairperson and CEO, and 10% owner) and Helix Holdings III LLC (described as 10% owner), but explicitly states ‘No non-derivative transactions or holdings reported.’ No mechanical parameters shifted: the sponsor’s equity footprint remains static, meaning no new capital is being positioned to cover potential redemptions, no warrants or convertibles are being exercised or cashless-settled, and no performance-based equity grants were issued to adjust sponsor dilution relative to public shareholders. The document therefore conveys zero update to the SEARCHING phase schedule, trust distribution mechanics, or extension voting triggers. Why it matters: Although the text records zero trade activity, the Form 3 permanently logs the documented 10% ownership thresholds for both the CEO/director and the affiliated LLC, establishing a reference point that investors track for sponsor commitment depth before a de-SPAC transaction closes. Unchanged insider positions at this stage typically indicate that management has not yet engaged in redemption-stabilization purchases, PIPE deployments, or bridge lending structures that would materially realign risk between the sponsor and early shareholders. All titles, entity names, and percentage attributions originate exclusively from the Form 3 disclosure text. The document contains no assertions regarding pipeline valuations, target-sector focus, customer concentration, revenue run-rate projections, technological differentiators, contractual partnerships, active litigation matters, or executive compensation adjustments.
What changed: This filing is a routine compliance exhibit in the form of a Form 3—insider ownership report submitted by Nebojsa Obradovic, identified as Chief Legal Officer of Helix Acquisition Corp. III, to register beneficial security holdings with the SEC. The form explicitly states that the reporting person has 'No non-derivative transactions or holdings reported.' Consequently, there is no shift in insider equity composition, trust account movement, merger negotiation timeline, shareholder extension voting posture, or redemption schedule mechanics relative to the January 23, 2028 termination date. Why it matters: Because the filing records zero share purchases, sales, options exercises, or warrant conversions, it offers no quantifiable signal regarding sponsor alignment, management conviction, or potential insider overhang that would influence early redemption behavior. It also contains no attributed statements from executives or the issuer regarding prospective acquisition targets, customer contracts, revenue forecasts, addressable market dimensions, proprietary technology, strategic partnerships, active litigation, or executive staffing changes. While the document fulfills regulatory registration requirements and confirms reporting continuity, it delivers no actionable intelligence for tracking deal velocity, trust preservation, or extension dynamics ahead of the stated deadline.
What changed: Form 3 — initial insider ownership report filed under Section 16(a) of the Securities Exchange Act of 1934. The submission leaves the SPAC’s mechanical framework untouched: the SEARCHING status persists, the stated trust value per share remains $10, and the redemption deadline stays fixed at 2028-01-23. No extension resolution, business combination milestone, trust drawdown, or sponsor conduct shift is recorded. The only administrative update is the SEC receipt of filing [0001213900-26-006861] dated 2026-01-22. Why it matters: The filing reports personnel posture and equity disclosure. Reporting person Tripp Caleb, identified as CFO & COO, executes the document and explicitly states: “No non-derivative transactions or holdings reported.” This initial disclosure confirms the executive holds zero registrable common shares or derivatives at time of filing. For investors tracking sponsorship skin-in-the-game, early institutional positioning, or management alignment ahead of a target announcement, the zero-transaction statement means no documented personal capital has been deployed or repatriated as of the reporting date. Absent a subsequent Form 4 showing new grants, purchases, or conversions, the 2028-01-23 redemption window and $10 trust baseline remain controlled exclusively by the original prospectus and board resolutions.
What changed: Form 3 insider ownership report filed on 2026-01-22 by director John P. Schmid for Helix Acquisition Corp. III. According to the Form 3 filing, reporting person Schmid disclosed zero non-derivative transactions and reported no existing holdings. Accordingly, there is no shift in sponsor or director equity, no modification to the 2028-01-23 redemption deadline, no adjustment to the $10 trust per share, and no signal regarding extension negotiations or business combination status. Why it matters: Investors monitoring redemption windows, trust liquidity, and sponsor alignment receive a confirmed baseline of static insider positions, meaning no immediate capital reallocation or governance shift affects the redemption calendar or deal trajectory. Beyond the zero-activity disclosure, the document contains no claims about customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel. All observations regarding unchanged ownership and the total absence of operational or strategic commentary originate exclusively from the SEC filing text.
What changed: SEC Form 3 — Statement of Changes in Beneficial Ownership (insider ownership report). This filing is an SEC Form 3 insider ownership report. Regarding redemption mechanics, trust preservation, extensions, deal sequencing, and sponsor conduct: the document records that director Mark C. McKenna reported zero non-derivative transactions and zero changes in beneficial ownership. No insider buying or selling alters board voting weight, trust-per-share funding requirements, or strategic signaling ahead of the stated deadline. Why it matters: For investors tracking HLXC’s SEARCHING phase and 2028-01-23 expiration, an empty Form 3 confirms neutral director positioning with no directional capital deployment. The filing explicitly attributes the zero-transaction disclosure to Reporting Person McKenna Mark C., establishing that no material shifts occurred in leadership equity stakes that could influence extension votes, target negotiation leverage, or sponsor-fund alignment. Beyond this ownership confirmation, the document contains no substantive claims regarding customer pipelines, revenue streams, market sizing, technology roadmaps, partnership frameworks, litigation exposure, or executive personnel changes. The absence of transaction data itself is the primary signal: management retains unchanged economic exposure to any future merger outcome without recent market timing.
What changed: A routine SEC correspondence (CORRESP) filing containing an underwriter-requested acceleration of Helix Acquisition Corp. III’s Form S-1 registration statement effective date, accompanied by confirmations regarding preliminary prospectus distribution and Rule 15c2-8 compliance. The filing does not modify redemption mechanics, trust account valuation, extension provisions, or business combination status. It solely asks the SEC to accelerate the S-1 effectiveness to 4:00 p.m. ET on January 22, 2026, instead of the standard statutory waiting period. Underwriters Leerink Partners LLC, through Senior Managing Director Sean Pitt, and Oppenheimer & Co. Inc., through Managing Director Peter Bennett, state that proposed preliminary prospectus copies will be distributed to reasonably anticipated participating dealers and that all Rule 15c2-8 requirements have been satisfied and will continue to be met. Why it matters: The acceleration request positions Helix Acquisition Corp. III to potentially price and close an initial public offering in January 2026, significantly ahead of its January 23, 2028 shareholder search deadline. While the submission confirms institutional bank involvement and regulatory readiness, it discloses zero deal economics: no underwriting discounts, sponsor promote percentages, lock-up durations, forward purchase agreements, warrant terms, or net proceeds allocations are provided. Until the accompanying preliminary prospectus is filed, the actual capital raising structure, redemption framework adjustments, and sponsor conduct commitments remain unknown, making this purely a procedural step toward capital formation rather than a substantive transaction update.
What changed: An SEC correspondence (CORRESP) requesting acceleration of the effective date of a Form S-1 registration statement under Rule 461 of the Securities Act of 1933. The filing asks the Division of Corporation Finance to set the registration statement’s effectiveness to 4:00 p.m. Washington D.C. time on January 22, 2026. It introduces no amendments to trust account balances, redemption calendars, extension votes, or target acquisition milestones. Why it matters: Advancing the effective date to January 22, 2026 moves the IPO pricing and settlement window forward but preserves all existing trust protections, shareholder redemption rights, and the current search-phase framework. As signed by Chairperson and Chief Executive Officer Bihua Chen on behalf of Helix Acquisition Corp. III and sponsor Cormorant Asset Management, LP, the correspondence reflects routine regulatory housekeeping rather than a shift in capital structure or fiduciary timelines, with post-effectiveness logistics coordinated through White & Case LLP.
What changed: Amendment No. 1 to Form S-1 Registration Statement under the Securities Act of 1933 for Helix Acquisition Corp. III, a blank check company formed for the purpose of completing a merger or similar business combination. This is the first amendment to the IPO registration statement. It updates the preliminary prospectus (dated January 16, 2026) to reflect the current terms of the offering, including the number of shares, pricing, trust account mechanics, redemption rights, sponsor compensation, dilution tables, management biographies, risk factors, and financial statements as of November 21, 2025. The filing does not announce a specific business combination target. Why it matters: The filing provides the complete mechanics for this IPO: $125 million trust at $10.00/share, 24-month deadline (January 2028), no warrants, 20% founder stake with anti-dilution, 180-day lock-up on founder shares and 30-day on private placement. Redemption rights are standard (tender offer or shareholder vote, with a 20% cap on redemptions in a vote scenario). The company's sponsor and management team (Cormorant affiliates, Bihua Chen) have a track record of two prior SPACs (Helix I and Helix II) that successfully closed—MoonLake Immunotherapeutics (MLTX) and BridgeBio Oncology Therapeutics (BBOT). Given the deadline is far out (2028), this is a live IPO, not a target combination filing.
What changed: SEC Division of Corporation Finance (Office of Real Estate & Construction) staff correspondence stating it has not reviewed and will not review the company’s Form S-1 registration statement. The SEC staff explicitly declared it would not examine the S-1 filed December 8, 2025, referencing Rules 460 and 461 for acceleration requests and reiterating that Helix Acquisition Corp. III and its management retain sole responsibility for disclosure accuracy. No adjustments occurred to the redemption calendar (deadline 2028-01-23), trust value ($10.00 per share), extension provisions, or sponsor conduct. The filing confirms the SPAC remains in a SEARCHING phase with zero merger activity, deal progress, or sponsor conduct shifts disclosed. Why it matters: Routine administrative non-review preserves the existing 2028-01-23 liquidation window and $10.00 trust baseline from regulatory delay risk, allowing Cormorant Asset Management, LP (located at 200 Clarendon Street, 52nd Floor, Boston, MA 02116) to continue target sourcing without awaiting a SEC comment period. Any future definitive transaction documents will trigger active staff scrutiny, at which point Benjamin Holt at 202-551-6614 may field questions (correspondence copied to Joel L. Rubinstein). The document contains no claims regarding customers, revenue, market size, strategy, technology, partnerships, litigation, or personnel changes beyond standard registration statement governance acknowledgments.
What changed: Registration statement on Form S-1 for a new SPAC initial public offering by Helix Acquisition Corp. III, a blank check company incorporated in Cayman Islands. Initial filing of S-1. No prior amendments. Prospectus establishes the offering of 12,500,000 Class A ordinary shares at $10.00 per share (plus over-allotment) with a 24-month completion window. No warrants. Sponsor purchased founder shares at $0.007 per share. Trust account initially $10.00 per share. Redemption rights detailed. Prior SPAC track record (Helix I and Helix II) disclosed. Dilution tables and sponsor compensation included. Why it matters: This is the foundational document for the SPAC IPO. Investors can assess the trust value ($10.00/share), the 24-month deadline (expiring approximately January 2028), redemption mechanics, sponsor economics (founder shares at nominal price, lock-up periods), conflict of interest waivers, and the management team's prior SPAC execution history. The filing also includes a no-warrant structure, which is a notable variation from many SPACs. Sponsor conduct provisions (e.g., waiver of redemption rights, commitment to vote in favor of business combination) are outlined.
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.