Form 8A12BT Files Dataset

The Form 8A12BT Files Dataset is a complete EDGAR corpus of Form 8-A12B(T) and Form 8-A12B(T)/A submissions — short-form Exchange Act registration statements used to register a class of securities on a national securities exchange under Section 12(b) when Exchange Act registration is intended to become effective simultaneously with a concurrent Securities Act registration statement (typically an S-1, S-3, F-1, or F-3). One record corresponds to one EDGAR submission, packaged as an accession-numbered folder containing a metadata.json sidecar plus one or more numbered plain-text documents (document-1.txt, document-2.txt, ...) carrying the form body and any text-format exhibits. The filer is the issuer of the listed class, most often a finance subsidiary or operating company registering exchange-listed debt alongside a shelf takedown. The dataset covers every electronic 8-A12B(T) and 8-A12B(T)/A filing on EDGAR from February 1995 to the present, distributed as monthly ZIP containers holding TXT and JSON files only.

Dataset APIs

Dataset Files

What This Dataset Contains

The dataset packages every EDGAR submission of Form 8-A12B(T) and its amendment variant Form 8-A12B(T)/A, from February 1995 to the present, as accession-numbered folders inside year/month ZIP containers. Each folder is named with the 18-digit zero-padded SEC accession number (the dashes from the canonical form XXXXXXXXXX-YY-NNNNNN removed) and always contains exactly one metadata.json describing the filing and one or more numbered plain-text documents carrying the bodies of the individual exhibits and documents that made up the original EDGAR submission. The file types found in the dataset are TXT and JSON only; image-format attachments (GIF, JPG, and similar binary exhibits) from the original submissions are excluded by design.

Form 8-A12B(T) is the short-form registration statement used to register a class of securities on a national securities exchange under Section 12(b) of the Securities Exchange Act of 1934 in the specific case where Exchange Act registration is intended to become effective simultaneously with the effectiveness of a concurrent Securities Act registration statement, rather than immediately upon filing under the standard Form 8-A12B regime. The "T" suffix denotes this simultaneous-effectiveness election. The form is most often used for the listing of debt securities (notes, debentures, trust preferred instruments) but is also used for equity issuances tied to an in-flight Securities Act registration (Form S-1, SB-2, Form S-3, Form F-1, Form F-3, etc.). The form body is brief by design: it consists almost entirely of identifying information, the exact title of each class to be registered, the exchange on which listing is sought, a short numbered list of exhibits, and authorized signatures. Substantive disclosure about the securities is delivered through incorporation by reference to the concurrent Securities Act registration statement and to the issuer's other Exchange Act filings. Form 8-A12B(T)/A is the amendment variant, used to correct, supplement, or update a previously filed 8-A12B(T) registration; an amendment may carry a complete restated form or only the changed pages.

Because Form 8-A12B(T) is rarely used in practice, individual records are correspondingly compact — most document bodies run only a few kilobytes of plain text — and sparse exhibit attachment is the norm rather than the exception.

Content Structure of a Single Record

Each accession-numbered folder is a two-layer artifact. The first layer is the JSON metadata sidecar (metadata.json), a structured rendering of the EDGAR submission header plus an index of the documents that were attached to the submission. The second layer is the document corpus itself: one ASCII text file per numbered exhibit/document from the original submission, with the SGML <DOCUMENT>...<TYPE>...<SEQUENCE>...<FILENAME>...<TEXT>...</TEXT></DOCUMENT> wrapper already stripped so that only the inner exhibit body remains. The first text document almost always contains the body of the Form 8-A itself; subsequent text documents, when present, carry incorporated exhibits such as descriptions of capital stock, articles of incorporation, bylaws, warrant agreements, indentures, forms of debenture or note, opinions of counsel, specimen certificates, or pages from the prospectus.

metadata.json fields

The metadata sidecar carries a stable schema across the dataset. The top-level scalar fields identify the filing and provide canonical EDGAR linkbacks:

• formType - either 8A12BT or 8A12BT/A (amendment).
• accessionNo - the canonical dashed SEC accession number (e.g. 0000936392-96-000491).
• description - the human-readable form description (e.g. Form 8A12BT/A - Registrations of certain classes of Securities: [Amend]).
• filedAt - the ISO-8601 filing timestamp with timezone offset.
• linkToFilingDetails - the EDGAR archive directory URL for the filing.
• linkToTxt - URL to the original combined submission text file on sec.gov.
• linkToHtml - URL to the EDGAR filing index page (...-index.htm).
• linkToXbrl - URL to an XBRL instance; this field is generally empty for 8-A12B(T) filings.
• id - a 32-character hex internal identifier.

Three array fields complete the metadata:

• documentFormatFiles is the document index. It carries one object per attached document plus a synthetic trailing row that points at the EDGAR combined .txt URL rather than at any local document. Each object exposes sequence (numeric string for real documents, blank for the combined-submission row), size (bytes as a string), documentUrl (the canonical EDGAR URL), description (free text such as FORM 8-A/A DATED JULY 22, 1996 or Complete submission text file), and type (the form type, blank for the synthetic row).
• entities carries one object per filer/issuer/co-filer associated with the submission. Each entity object exposes companyName (with the EDGAR role suffix appended in parentheses, e.g. INNOVATIVE MEDICAL SERVICES (Filer)), cik, irsNo, fileNo (the SEC file number, typically of the form 000-NNNNN or 001-NNNNN reflecting the registration sequence), filmNo, sic (the SIC code plus its description, with HTML-escaped ampersands), stateOfIncorporation (two-letter code), fiscalYearEnd (MMDD), act (the governing Exchange Act section, typically "34"), type (form type), and tickers (an array of ticker symbols, including in the single-ticker case and possibly empty for unlisted debt classes).
• seriesAndClassesContractsInformation and dataFiles are present in the schema but are empty arrays for this form type, since 8-A12B(T) filings do not register investment company series/classes and do not carry XBRL data files.

document-N.txt files

The numbered text documents are plain-ASCII renderings of each individual document from the original submission. Three structural conventions matter for interpretation:

1. The SGML <DOCUMENT> envelope and its child header tags (<TYPE>, <SEQUENCE>, <FILENAME>, <DESCRIPTION>, <TEXT>/</TEXT>) have been removed. Only the inner exhibit body remains; type, sequence, filename, and description metadata for each document live instead in the documentFormatFiles array of metadata.json.
2. EDGAR <PAGE> N pagination tokens are preserved inline, marking the original 80-column page boundaries of the submission.
3. The body uses the original 80-column ASCII layout, with long runs of dashes used as horizontal rules and form-field separators, fixed-width tabular alignment for any signature blocks, and uppercase headings.

The body of document-1.txt is typically the Form 8-A itself and follows the SEC-prescribed cover layout in the following order:

1. Heading block - identifies the Securities and Exchange Commission, Washington D.C. 20549, and the form designation ("Form 8-A" or "FORM 8-A/A"), with the rubric "FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934".
2. Registrant identification - exact legal name, state or other jurisdiction of incorporation, IRS Employer Identification Number, principal executive office address (often with telephone number).
3. Section 12(b) registration box - a small table giving the title of each class to be registered under Section 12(b) and the name of each exchange on which each class is to be registered (NYSE, NYSE American/Amex, Nasdaq, Boston Stock Exchange, or other national exchange). For debt securities, the title typically names the indenture and maturity.
4. Section 12(g) registration box - either the title(s) of any class to be registered under Section 12(g), or the explicit notation "None". 8-A12B(T) filings are primarily Section 12(b) registrations, but some equity issuers list the same classes under both subsections.
5. Item 1 - Description of Registrant's Securities to be Registered - most commonly satisfied by reference: the registrant directs the reader to the "Description of Securities" section of the concurrent Securities Act registration statement (e.g., Form S-1, SB-2, S-3, or F-3) or to a previously filed Exchange Act report, which is incorporated by reference. For debt securities, the Item points to the indenture and the prospectus description of notes/debentures.
6. Item 2 - Exhibits - a short numbered or lettered list enumerating the exhibits filed with or incorporated into the registration. Typical entries include the concurrent Securities Act registration statement, articles of incorporation as amended, bylaws, warrant agreements, indentures, forms of debenture or note, underwriting agreements, opinions of counsel as to legality, specimen stock or warrant certificates, and any required listing application materials.
7. Signature block - the registrant's name, the name and title of the executing officer (commonly the president, chief executive officer, chief financial officer, treasurer, or general counsel), and the date of execution, frequently introduced by the prescribed Section 12 attestation language.

Subsequent document-N.txt files in the record contain the bodies of the exhibits enumerated in Item 2 when those exhibits were physically attached rather than incorporated by reference. Where every exhibit is incorporated by reference, the record may contain only document-1.txt.

Included content

Each record packages the full submission text in extracted form: the 8-A or 8-A/A cover, registration boxes, Items 1 and 2, and signatures, plus every text-format exhibit that travelled with the original EDGAR submission, plus the structured metadata sidecar that indexes them and reproduces the EDGAR submission header. The linkToTxt and documentUrl fields preserve traceability back to the original combined submission file on EDGAR.

Excluded content

Image-format attachments from the original submission (GIF, JPG, and similar binary attachments) are excluded by design; the file types found in the dataset are TXT and JSON only. Where the 8-A12B(T) incorporates an exhibit by reference rather than physically attaching it, that exhibit is not part of the record because it was not part of the original submission either; the reader must follow the cross-reference into the cited Securities Act registration statement or other Exchange Act filing to retrieve the underlying disclosure. The concurrent Securities Act registration statement (S-1, SB-2, S-3, F-3, etc.) with which the 8-A12B(T) is intended to become simultaneously effective is itself a separate filing and is not bundled into this dataset.

Changes in required content over time

The substantive content requirements of Form 8-A have been stable across the dataset's lifetime: a brief identifying cover, the two Section 12(b)/12(g) registration boxes, Item 1 (description of securities, almost always satisfied by incorporation), Item 2 (exhibit list), and signatures. Discrete changes that affect interpretation include: the gradual expansion of permitted incorporation by reference for the description-of-securities item; periodic SEC tightening of the exhibit list under Item 601 of Regulation S-K (which governs which underlying agreements and opinions must travel with the registration); and the migration of file-number formats and exchange-name strings as exchanges merged or renamed (e.g., the renaming of the American Stock Exchange to NYSE Amex and then NYSE American, and the closure of regional exchanges such as the Boston and Pacific exchanges). The "T" simultaneous-effectiveness election itself has remained available throughout the period covered. Because the 8-A12B(T) is a thin registration vehicle that defers substantive disclosure to the concurrent 1933 Act statement, no new affirmative disclosure items (risk factors, MD&A, governance, compensation, cybersecurity, etc.) have ever been added to the form body itself.

Changes in data format over time

Across the entire 1995-to-present span of the dataset, Form 8-A12B(T) submissions have been carried on EDGAR as plain ASCII text wrapped in SGML <DOCUMENT> envelopes inside the combined submission file. Unlike 10-K, 10-Q, and other periodic filings, this form did not transition through HTML and inline-XBRL eras: it carries no financial data, no structured tagging requirement was ever imposed on it, and even modern submissions remain short ASCII documents. Consequently every record in the dataset is presented as plain TXT bodies (with EDGAR <PAGE> pagination preserved and the SGML wrapper removed) plus the JSON metadata sidecar. The linkToXbrl field is therefore typically empty and the dataFiles array is empty across the dataset.

Interpretation notes

• The 8-A12B(T) defers most substantive content to incorporated documents. To recover the description of securities, an extractor must follow the Item 1 cross-reference into the concurrent Securities Act registration statement; the 8-A body alone will rarely contain the full terms of the securities being listed.
• Amendments (8A12BT/A) may carry a complete restated form or only the changed pages. Linking an amendment back to its parent filing requires resolving both accession numbers; the parent is identifiable through the shared SEC file number and registrant CIK rather than through an explicit cross-accession field in the metadata.
• The accession folder name uses the 18-digit zero-padded form with dashes stripped, while metadata.json.accessionNo retains the canonical dashed form. Both are equivalent identifiers and either can be used to round-trip back to EDGAR.
• The documentFormatFiles array contains a synthetic trailing row (sequence and type both blank, description Complete submission text file) that points at the EDGAR combined .txt URL rather than at any local document. Counting "real" attached documents requires excluding this synthetic row.
• The sic string in each entity object carries HTML-encoded ampersands (&); downstream consumers should decode if rendering as plain text.
• The companyName field appends the EDGAR role suffix in parentheses ((Filer), (Subject), (Co-Registrant), etc.) to the legal name. The legal name and role must be parsed apart if a clean entity name is required.
• The tickers field is always an array, including the single-ticker case; the array may be empty for issuers of debt securities that do not have a separately listed ticker for the registered class.
• EDGAR <PAGE> markers inside document-N.txt are paginal artifacts of the original 80-column rendering, not content; they should be stripped or ignored when running natural-language extraction over the body.

Who Files or Publishes This Dataset, and When

Who files

The filer is the issuer of the securities being registered under Section 12(b) of the Securities Exchange Act of 1934. The form is filed in the issuer's own name and CIK; underwriters, exchanges, and trustees do not file it.

In practice, the population of Form 8A12BT filers is narrow:

• Finance subsidiaries of operating companies that issue exchange-listed debt (notes, debentures, trust-preferred or capital securities), typically guaranteed by the parent.
• Domestic operating companies registering a class of debt securities for listing on the NYSE, NYSE American, or Nasdaq, often as part of a shelf takedown.
• Occasionally, issuers registering equity, warrants, or hybrid securities where Exchange Act effectiveness needs to be synchronized with a concurrent Securities Act registration statement.

Where the securities are guaranteed, the parent guarantor often appears as a co-registrant inside the filing, but the Section 12(b) registration obligation still runs to the issuer of the listed class.

The triggering event

Form 8-A12BT is event-driven, not periodic. A filing is triggered when an issuer simultaneously:

1. Has applied (or is applying) to list a class of securities on a national securities exchange,
2. Has a pending or contemporaneous 1933 Act registration statement (typically Form S-1, S-3, S-4, F-1, F-3, F-4, or a shelf takedown) covering the offering of those securities, and
3. Elects, under the General Instructions to Form 8-A, to have its Exchange Act registration become effective at the same moment as that Securities Act registration statement becomes effective.

That third element — the simultaneous-effectiveness election — is what the "T" suffix marks. Without it, the issuer would file Form 8-A12B and Exchange Act effectiveness would instead be triggered by the exchange's certification that the security has been approved for listing.

A Form 8-A12BT/A is triggered by the need to amend a previously filed 8-A12BT, for example to update the description of securities, add the indenture or form of security, or reflect final pricing terms before the Securities Act registration statement goes effective.

Timing relative to the concurrent Securities Act filing

Form 8-A12BT exists to bind Exchange Act registration timing to a Securities Act filing. Two timing points matter:

• Filing: typically submitted shortly before, or on the same day as, the anticipated effectiveness of the related 1933 Act registration statement or post-effective amendment.
• Effectiveness: occurs automatically at the same instant the referenced Securities Act registration statement becomes effective, provided the exchange has approved or is prepared to approve the listing.

The filing identifies the concurrent Securities Act file number and incorporates by reference the substantive description of the issuer, the securities, and any guarantors from that filing. This is why the Form 8-A itself is short — the offering disclosure lives in the prospectus, not in the 8-A.

The two filings serve complementary roles:

• The 1933 Act registration statement registers the offer and sale of the securities and delivers the prospectus.
• The Form 8-A12BT registers the class under the Exchange Act, locks in periodic reporting under Section 13(a) (and the broader Section 13 reporting regime), and (for equity) brings Section 14 and Section 16 into play.

Important distinctions

• Foreign private issuers. May file Form 8-A on the same mechanic, but their concurrent Securities Act filing is typically on the F-series (F-1, F-3, F-4), and their downstream Exchange Act reporting runs through Forms 20-F and 6-K rather than 10-K and 10-Q.
• Guarantors are not the filer. Co-registrant guarantors may sign and appear in the filing, but the Section 12(b) obligation belongs to the issuer of the listed class. Guarantor reporting obligations, where any exist, follow separately.
• Amendments are not re-registrations. A Form 8-A12BT/A updates or supplements an existing registration; it does not register a new class.
• EDGAR coverage. This dataset captures only EDGAR-era electronic submissions, which begin in February 1995. Earlier paper-filed Form 8-A registrations are not included.

How This Dataset Differs From Similar Datasets or Filings

Form 8-A12BT sits inside the Form 8-A family of short-form Exchange Act registration filings used to bring a class of securities under Section 12 reporting. Its distinctions from neighboring forms turn on three axes: which subsection of Section 12 is invoked (12(b) vs 12(g)), whether effectiveness is on filing or deferred to coincide with a concurrent Securities Act registration (the "T" suffix), and whether the form is a short-form incorporation-by-reference vehicle or a standalone registration document.

Form 8-A12B (non-simultaneous Section 12(b) registration)

The immediate sibling. Both forms register a class of securities on a national securities exchange under Section 12(b), use the same short-form incorporation-by-reference structure, and carry essentially identical cover-page fields (issuer, CIK, title and class of securities, exchange).

The difference is the timing of effectiveness. A plain 8-A12B becomes effective on filing (or per exchange certification) and is typically used when an existing reporting issuer adds a class to an exchange. The "T" in 8-A12BT defers Exchange Act effectiveness so that Section 12(b) status attaches at the same moment a concurrent 1933 Act registration goes effective. In practice, 8-A12BT skews heavily toward debt securities listed in connection with a registered offering, while 8-A12B captures a broader mix of equity and debt listings, including listings independent of any current Securities Act offering. The 8-A12BT population is therefore much smaller and more specialized.

Form 8-A12G and Form 8-A12GT (Section 12(g) registration)

The Section 12(g) counterparts. They register classes that are not listed on a national securities exchange — historically OTC-quoted issues and securities that cross the Section 12(g) holders-of-record and asset thresholds.

Form 8-A12GT shares the simultaneous-effectiveness mechanic with 8-A12BT, but the listing venue and registration subsection differ: quotation system under 12(g) rather than national exchange under 12(b). Any complete view of short-form Exchange Act registrations requires all four variants; 8-A12BT alone covers only the exchange-listed, deferred-effectiveness corner of the grid.

Form 10 (long-form Exchange Act registration)

The substantive alternative to the entire 8-A family. Form 10 is a standalone Exchange Act registration statement containing full business, risk factor, financial statement, and management disclosure built directly into the filing, rather than incorporated by reference.

It is used when there is no concurrent or recent Securities Act registration to lean on — typically a spinoff, a forced reporting trigger, or a private company entering the reporting system. From a dataset perspective, Form 10 carries the full disclosure payload internally, while 8-A12BT records are thin metadata-and-cover-page filings whose substance lives in a referenced S-/F- registration statement. The two represent different paths into Section 12 reporting, not substitutes.

Securities Act registration statements (S-1, S-3, F-1, F-3) referenced by 8-A12BT

These are 1933 Act filings, not Exchange Act filings: they register the offer and sale of securities, not the class itself under Section 12. They are nonetheless the most important comparison, because an 8-A12BT is structurally parasitic on them — its effectiveness is timed to theirs, and the substantive disclosure about the issuer, the securities, and (for debt) the indenture lives inside them.

S-1 and F-1 are full first-time registration statements for domestic and foreign issuers; S-3 and F-3 are short-form, shelf-eligible statements for seasoned issuers. All four are long, prospectus-driven documents with financial statements and exhibits. An 8-A12BT, by contrast, is a brief cover filing that exists only to attach Section 12(b) status at the moment the 1933 Act registration goes effective. For most research purposes, an 8-A12BT must be analyzed alongside its referenced S-/F- filing.

Form 25 (notification of removal from listing or registration)

The deregistration bookend. Where 8-A12BT begins Section 12(b) registration and exchange listing, Form 25 ends it — filed by the exchange or issuer to notify the SEC of removal from listing, from Section 12(b) registration, or both. A complete listing history for a debt class often pairs an 8-A12BT (or 8-A12B) at issuance with a Form 25 at maturity, redemption, or delisting.

Boundary summary

Form 8-A12BT is defined by the intersection of three attributes: Section 12(b) (excluding Form 8-A12G/12GT), short-form incorporation by reference (excluding Form 10), and deferred effectiveness tied to a concurrent Securities Act registration (excluding plain 8-A12B). That narrow intersection explains both the small size of the dataset and its concentration in debt securities listed alongside S-3 or F-3 shelf takedowns.

For substantive disclosure research, the dataset is rarely sufficient on its own and is best joined to the referenced 1933 Act filing. For listing-status and Section 12(b) tracking, it complements rather than substitutes for 8-A12B, Form 10, and Form 25, each of which captures a different entry or exit path into Exchange Act reporting. The 8-A12G/12GT family addresses an adjacent but legally distinct registration regime and should be treated as a separate population.

Who Uses This Dataset

The corpus is small, but the audience is well defined: professionals who work on debt issuance, listing mechanics, and registration administration.

Capital-markets and debt-securities lawyers

Securities counsel use the records as a precedent library for the simultaneous-effectiveness election. They focus on caption language, the cross-reference to the concurrent S-1, S-3, or F-series filing, the description of the class and title of debt, and the use of 8A12BT/A amendments. Output: drafting checklists and language comparisons.

Debt capital markets and origination desks

DCM bankers and transaction managers reference the issuer name, targeted exchange, and concurrent Securities Act file number to plan timing for printing, pricing, settlement, and listing when the listing must go effective alongside the offering rather than after a delay.

Exchange listing-qualifications staff

Listing officers at exchanges that list debt instruments use the dataset to reconcile EDGAR submissions against their internal listing applications. Key fields: exchange name on the cover, class and title of securities, issuer CIK, and state of incorporation.

Corporate trust and indenture administration officers

Trustee teams confirm how the underlying debt was registered and listed so that indenture records, CUSIP references, and reporting obligations align with the issuer's elected registration path.

Underwriter and dealer-manager counsel

Underwriters' counsel verify that Exchange Act listing effectiveness will not lag the Securities Act offering. The concurrent registration cross-reference is the load-bearing field for closing mechanics, comfort letters, and legal opinions at pricing and closing.

In-house securities counsel and compliance teams

Issuer-side counsel review their own past 8A12BT filings and peer submissions when preparing repeat registrations, focusing on cover-page identification, class description, and the concurrent registration attachment for internal controls.

Regulatory data engineers

EDGAR pipeline teams use the dataset as a complete reference set for testing parsers, validating form-type whitelists, and ensuring rare 8A12BT and 8A12BT/A submissions are classified distinctly from the more common 8-A12B and 8-A12G filings.

Credit and fixed-income research analysts

Credit analysts tie specific bond CUSIPs to their Exchange Act registration footprint and listing venue using the class and title of securities, targeted exchange, and issuer CIK.

Academic researchers in securities law and finance

Researchers studying listing-exchange choice and the use of simultaneous-effectiveness over time treat the corpus as a bounded population rather than a sample. Issuer identifiers, registration date, exchange, and the Securities Act cross-reference support hand-coded studies.

LLM and RAG developers for securities-law assistants

Teams indexing specialized capital-markets corpora use the dataset to ensure their retrieval systems cover the simultaneous-effectiveness pathway, so questions about Section 12(b) registration of listed debt resolve against 8A12BT rather than collapsing into 8-A12B answers.

Across these roles, users cluster around four workflows: drafting and reviewing registration language (lawyers, compliance), executing and listing debt deals (DCM, exchanges, trustees, underwriter counsel), monitoring issued debt (credit analysts), and building or studying systems that index the form (data engineers, researchers, RAG developers). Each relies on a narrow subset of fields — issuer identity, class and title, targeted exchange, and the concurrent Securities Act cross-reference.

Specific Use Cases

The dataset is narrow but operationally rich. Below are concrete workflows it supports, each tied to specific fields in metadata.json or sections of document-1.txt.

Building a precedent library for simultaneous-effectiveness language

Securities counsel extract Item 1 cross-reference language and Item 2 exhibit lists from document-1.txt across the full 1995-to-present population to compare how issuers phrase the deferred-effectiveness election and which concurrent S-1, S-3, F-1, or F-3 statement is cited. Pairing each filing with its 8A12BT/A amendments (matched on shared fileNo and cik) yields a clause-level diff set for drafting checklists.

Mapping listed-debt registration footprints to issuers and exchanges

Credit and fixed-income analysts join the Section 12(b) registration box from document-1.txt (title of class, name of exchange) with the entities array (cik, companyName, sic, tickers, stateOfIncorporation) to produce an issuer-by-class table of which debentures, notes, and trust preferred instruments were registered onto NYSE, NYSE American, Nasdaq, or now-closed regional exchanges. The result feeds CUSIP-to-listing reconciliation and exchange-migration tracking.

Linking 8-A12B(T) cover filings to their concurrent 1933 Act registration statements

Because Item 1 routes substantive disclosure into a referenced S-/F- filing, users parse that cross-reference out of document-1.txt and resolve it against EDGAR using the issuer cik to retrieve the prospectus indenture, description-of-securities section, and risk factors. This produces a joined corpus suitable for indenture-term extraction and offering-timing analysis that an 8-A12B(T) record alone cannot answer.

Reconciling exchange listing applications against EDGAR submissions

Exchange listing-qualifications staff use formType, filedAt, entities[].fileNo, the cover-page exchange name, and the title of class to match each EDGAR 8-A12B(T) and 8-A12B(T)/A against the corresponding internal listing application. Discrepancies in class title, issuer legal name (after stripping the (Filer) role suffix), or targeted exchange surface as application-vs-filing mismatches before listing effectiveness.

Testing EDGAR parsers and form-type classifiers

Data engineers use the dataset as a closed reference set for 8A12BT and 8A12BT/A to validate that pipelines distinguish these from the more common 8-A12B, 8-A12G, and 8-A12GT filings. The synthetic trailing row in documentFormatFiles (blank sequence and type, description Complete submission text file), HTML-escaped ampersands in sic, empty tickers arrays for unlisted debt, and preserved <PAGE> pagination tokens are concrete edge cases that parsers must handle correctly.

Studying use of the simultaneous-effectiveness election over time

Researchers in securities law treat the corpus as a bounded population (not a sample) and bin filings by filedAt year, entities[].sic industry, stateOfIncorporation, and targeted exchange to study which issuer types elect the "T" pathway, how its use shifts around shelf-registration regime changes, and how amendment frequency (8A12BT/A rate) varies by issuer cohort. Hand-coded variables can be added by reading the short document-1.txt bodies directly.

Grounding RAG systems for Section 12(b) listed-debt questions

LLM and RAG developers index document-1.txt bodies alongside the metadata.json identifiers so that queries about debt-listing registration mechanics retrieve actual 8-A12B(T) precedents rather than collapsing into answers drawn from the much larger 8-A12B population. The compact size of each record (typically a few kilobytes after stripping <PAGE> markers) makes the full corpus practical to embed in one pass.

Dataset Access

Dataset Index JSON API: https://api.sec-api.io/datasets/form-8a12bt-files.json

The dataset index endpoint returns metadata describing the Form 8A12BT Files Dataset, including the dataset name, description, last updated timestamp, earliest sample date (1995-02-01), total record count, total archive size, covered form types (8A12BT and 8A12BT/A), the container format (ZIP), and the contained file types (TXT, JSON). It also provides the download URL for the full dataset archive and a list of individual container files with per-container metadata such as size, record count, last updated timestamp, and a direct download URL. This endpoint does not require an API key.

Poll this endpoint to determine which containers were updated in the most recent refresh run and selectively download only the changed containers on a day-by-day basis.

Example response:

          1
          {
        

          2
            "datasetId": "1f13365b-9ae0-6a3e-9d4f-7f813c00ba05",
        

          3
            "datasetDownloadUrl": "https://api.sec-api.io/datasets/form-8a12bt-files.zip",
        

          4
            "name": "Form 8A12BT Files Dataset",
        

          5
            "updatedAt": "2026-04-16T08:38:58.334Z",
        

          6
            "earliestSampleDate": "1995-02-01",
        

          7
            "totalRecords": 42,
        

          8
            "totalSize": 175679,
        

          9
            "formTypes": ["8A12BT", "8A12BT/A"],
        

          10
            "containerFormat": "ZIP",
        

          11
            "fileTypes": ["TXT", "JSON"],
        

          12
            "containers": [
        

          13
              {
        

          14
                "downloadUrl": "https://api.sec-api.io/datasets/form-8a12bt-files/2026/2026-03.zip",
        

          15
                "key": "2026/2026-03.zip",
        

          16
                "size": 13818,
        

          17
                "records": 2,
        

          18
                "updatedAt": "2026-04-16T08:38:58.334Z"
        

          19
              }
        

          20
            ]
        

          21
          }
        

Download Entire Dataset: https://api.sec-api.io/datasets/form-8a12bt-files.zip?token=YOUR_API_KEY

Use this URL to download the complete dataset as a single ZIP archive containing every container file. This endpoint requires an API key.

Download Single Container: https://api.sec-api.io/datasets/form-8a12bt-files/2026/2026-03.zip?token=YOUR_API_KEY

Use a container-specific URL from the index to download an individual monthly archive instead of the full dataset. This endpoint requires an API key.

Frequently Asked Questions

What forms does this dataset cover?

The dataset covers Form 8-A12B(T) and its amendment variant Form 8-A12B(T)/A — short-form Exchange Act registration statements used to register a class of securities on a national securities exchange under Section 12(b) where Exchange Act registration is intended to become effective simultaneously with a concurrent Securities Act registration statement. The "T" suffix denotes this simultaneous-effectiveness election.

What does one record in this dataset represent?

One record is a single EDGAR submission of a Form 8-A12B(T) or 8-A12B(T)/A, packaged as an accession-numbered folder. Each folder contains exactly one metadata.json describing the filing plus one or more numbered plain-text documents (document-1.txt, document-2.txt, ...) carrying the body of the form and any text-format exhibits that travelled with the original EDGAR submission.

Who is required to file Form 8-A12B(T)?

The filer is the issuer of the securities being registered under Section 12(b) — most commonly a finance subsidiary of an operating company issuing exchange-listed debt, or a domestic operating company registering debt for listing on the NYSE, NYSE American, or Nasdaq alongside a shelf takedown. Underwriters, exchanges, and trustees do not file the form; co-registrant guarantors may sign but the Section 12(b) obligation runs to the issuer of the listed class.

When is Form 8-A12B(T) filed?

The form is event-driven, not periodic. It is filed when an issuer is listing a class of securities on a national exchange concurrently with a pending 1933 Act registration statement (typically S-1, S-3, S-4, F-1, F-3, F-4, or a shelf takedown) and elects to have Exchange Act registration become effective at the same moment as the Securities Act registration. The 8-A12B(T) is typically submitted shortly before, or on the same day as, the anticipated effectiveness of the related 1933 Act registration statement.

How does this dataset differ from the Form 8-A12B dataset?

Both forms register a class of securities on a national exchange under Section 12(b) and share an identical cover-page structure, but the timing of effectiveness differs. A plain 8-A12B becomes effective on filing or per exchange certification, while 8-A12B(T) defers Exchange Act effectiveness so that Section 12(b) status attaches at the same moment a concurrent 1933 Act registration goes effective. As a result, the 8-A12B(T) population is much smaller and skews heavily toward debt securities listed in connection with a registered offering.

What time period does the dataset cover, and what file formats does it use?

The dataset covers every electronic 8-A12B(T) and 8-A12B(T)/A filing on EDGAR from February 1995 (the earliest sample date) to the present; earlier paper-filed 8-A registrations are not included. Records are distributed in monthly ZIP containers, and the file types inside each container are TXT (one per attached document, with the SGML <DOCUMENT> wrapper stripped) and JSON (the metadata.json sidecar). Image-format attachments (GIF, JPG, and similar binary exhibits) are excluded by design.

Why is the underlying disclosure often missing from an 8-A12B(T) record?

Form 8-A12B(T) is a thin registration vehicle: Item 1 (Description of Registrant's Securities to be Registered) is almost always satisfied by incorporation by reference to the concurrent Securities Act registration statement (S-1, S-3, F-1, F-3, etc.). To recover the substantive description of the securities, indenture, and risk factors, an extractor must follow the Item 1 cross-reference into the cited 1933 Act filing, which is itself a separate filing not bundled into this dataset.