SEC Offering Filings This Week: 58 Registrations (October 5 to October 11, 2026)

By Segmara Research · Published

Between October 5 to October 11, 2026, Segmara's SEC watch logged 58 registration filings for public share offerings on EDGAR, from first-time IPO registrations to follow-on shelf filings by listed companies. 49 of them state a maximum offering amount, adding up to $9.91B; the largest is Amaero Inc. ($6.04B). A registration filing is a disclosure step, not a completed listing: pricing, timing and whether the offering happens at all remain open until the company and the SEC finish the process.

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Key points

Largest filings this week

Amaero Inc.: up to $6.04B in shares covered by a public SEC filing logged on 2026-10-08.

PBT Land & Minerals, Inc.: up to $322.7M in shares covered by a public SEC filing logged on 2026-10-09.

Gravity Acquisition Corp.: up to $290.4M in shares covered by a public SEC filing logged on 2026-10-08.

New Iceland Arctic Acquisition Corp.: up to $276.0M in shares covered by a public SEC filing logged on 2026-10-05.

Harbour Island Acquisition Corp. I: up to $247.2M in shares covered by a public SEC filing logged on 2026-10-07.

Calm Seas Acquisition Corp.: up to $237.8M in shares covered by a public SEC filing logged on 2026-10-08.

CITY THERAPEUTICS, INC.: up to $212.4M in shares covered by a public SEC filing logged on 2026-10-09.

newcleo plc: up to $201.2M in shares covered by a public SEC filing logged on 2026-10-06.

Fusemachines Inc.: up to $189.8M in shares covered by a public SEC filing logged on 2026-10-06.

Iambic Therapeutics, Inc.: up to $183.3M in shares covered by a public SEC filing logged on 2026-10-08.

Essential Minerals Acquisition Corp: up to $179.8M in shares covered by a public SEC filing logged on 2026-10-08.

TRex Bio, Inc.: up to $153.3M in shares covered by a public SEC filing logged on 2026-10-05.

New Iceland Arctic Acquisition Corp.: up to $119.1M in shares covered by a public SEC filing logged on 2026-10-05.

DayOne Data Centers Ltd: up to $100.0M in shares covered by a public SEC filing logged on 2026-10-05.

Lycia Therapeutics, Inc.: up to $100.0M in shares covered by a public SEC filing logged on 2026-10-05.

Other offering-related filings logged

Electrovaya Inc., NON INVASIVE MONITORING SYSTEMS INC /FL/, Winklevoss Zcash ETF, ACTUATE THERAPEUTICS, INC., VS Trust, Elevation Acquisition Group Inc., vVARDIS Holding AG, FingerMotion, Inc., SeeQC, Inc..

How to read a registration filing

A registration statement (S-1 for US issuers, F-1 for foreign issuers) describes the business, its risks, its financials and the maximum amount of securities it may sell. Filing it starts SEC review; it does not set a date or a price.

The offering size is a ceiling written by the issuer for registration purposes. Companies routinely raise less, change terms, delay or withdraw. Read the prospectus summary and the risk factors before drawing any conclusion.

What this page is and is not

Segmara compiles public filings so readers can follow the pipeline from primary sources. This is review context only: not investment advice, not an offer, and Segmara is not affiliated with any issuer named here.

AI-ready data summary

A structured extraction layer for this article: catalogue numbers, price context, chart values, and route-specific facts that search and AI systems can read directly from the page.

MetricValueContext
Canonical route/blog/ipo-filings-week-2026-w41Stable URL path for AI and search extraction.
Article titleSEC Offering Filings This Week: 58 Registrations (October 5 to October 11, 2026)Main page topic.
Attached public sources58Number of citation links rendered at the bottom of the article.
Segmara listed companies51Live private-company listings in the public catalogue.
Priced listings37Catalogue listings with visible indicative or direct marks.
Listings without an indicative price14Catalogue listings where a public price is intentionally not invented.

Data fingerprint chart

Visible pricing coverage72%

37 of 51 listings show a mark

StageTimingPrice / valuation signalInterpretation
Chart metricScoreInterpretation
Visible pricing coverage72 / 10037 of 51 listings show a mark

Analytical lens

Search intent

Searches like 'SEC Offering Filings This Week: 58 Registrations (October 5 to October 11, 2026)' are research questions: what a filing or a company statement confirms, what has only been reported, and what is still unknown.

What counts as a listing step

For an IPO, the primary record is a registration statement filed with the securities regulator of the listing market, such as an S-1 or F-1 on SEC EDGAR for a US listing. Funding rounds, valuations and secondary-market prices are context, not listing steps.

Segmara role

Segmara is an independent research site. It does not sell, broker, or arrange share purchases, and nothing on this page is investment advice.

How a company reaches a US listing

The SEC filing trail

DraftThe company can first submit a draft registration statement (DRS) for confidential SEC review.
S-1 or F-1The registration statement goes public on SEC EDGAR: Form S-1, or Form F-1 for many foreign companies. A company that used a draft must file publicly at least 15 days before its roadshow.
AmendmentsS-1/A or F-1/A amendments answer SEC comments, and one of them adds the expected price range.
PricingOnce the SEC declares the registration effective, the company sets the price with its underwriters and files the final prospectus, usually a 424B4.
First tradeThe shares start trading on the exchange named in the prospectus, such as Nasdaq or the NYSE.

Sources: SEC, March 3, 2025 · Investor.gov, October 14, 2022 · Regulation S-K Item 501 · SEC Form F-1.

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Key takeaways

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Questions

Can retail investors track private-company shares on Segmara?

Yes. The free pre-IPO tracker sends indicative marks by email, with no card and no documents. Segmara does not sell, broker, or arrange share purchases.

Why was this market historically hard for retail investors to reach?

Private-company share access has often moved through private equity firms, venture funds, insiders, institutions, and relationship-driven secondary networks. Segmara makes research simpler: anyone can follow named private companies for free, by email.

What is the easiest next step?

Open the free pre-IPO tracker first, email only. The IPO calendar is free, and Segmara Pro adds a weekly IPO brief.

What counts as a filing on this page?

A registration statement or related form for a public share offering logged during the week by Segmara's SEC watch, deduplicated by SEC source URL. Separate filings from the same issuer count separately. This is the watch's collected coverage, not a complete count of all EDGAR filings.

Does a filing mean the company will IPO?

No. It means the issuer started or updated the SEC registration process. Pricing, timing and completion stay open until the offering is declared effective and priced.

Where do the amounts come from?

From the maximum offering amount stated in the filing itself. Segmara does not estimate, adjust or annualise these figures.

Next step

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Segmara is an independent research site. Segmara does not sell, broker, or arrange share purchases.

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