The Form PRE13E3 Files Dataset is a closed historical archive of preliminary Rule 13e-3 transaction statements filed on EDGAR for going-private transactions under the Securities Exchange Act of 1934. Each record is one complete EDGAR submission — identified by an 18-digit accession number and bundling the principal Schedule 13E-3 preliminary statement, every textual exhibit, and a metadata.json sidecar that mirrors the EDGAR header. The two form types covered are PRE13E3 (the initial preliminary submission) and PRE13E3/A (preliminary amendments). Filings are made jointly by the subject issuer and every affiliate engaged in the transaction, including controlling shareholders, parent holding companies, private equity sponsors, management buyout groups, and the acquisition vehicles formed to consummate the deal. The dataset covers EDGAR submissions from January 1, 1994 through November 2000, when the SEC retired the form and folded preliminary review of going-private transactions into Schedule 13E-3 (Form SC 13E3) under the Regulation M-A framework.
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Form PRE13E3 was the preliminary version of the Rule 13e-3 transaction statement required when an issuer or an affiliate of the issuer engaged in a transaction having the purpose or reasonable likelihood of causing a class of equity securities to become eligible for deregistration or to cease being listed on a national securities exchange or quoted on an inter-dealer quotation system — in shorthand, a going-private transaction. Common transaction structures behind these filings include affiliate-led cash-out mergers, reverse stock splits engineered to push beneficial holders below the registration threshold, tender offers by controlling shareholders, and roll-up or sale-of-assets transactions whose practical effect was to terminate public reporting.
Because the filing was preliminary, it was submitted for SEC staff review before the corresponding definitive proxy statement (DEF 14A), information statement (DEF 14C), or tender offer materials were disseminated to security holders. The substantive disclosure schema followed Schedule 13E-3, organized into numbered Items addressing: the identity and background of the filing persons; the subject company; past contacts, transactions, and negotiations among the parties; the terms of the transaction; the source and amount of funds; the purpose and reasons for the transaction; plans for the issuer after consummation; certain financial information about the issuer; fairness analyses and outside reports; and prescribed exhibits. A PRE13E3/A amendment carries the same Schedule 13E-3 architecture but typically narrates only the changes relative to the prior submission and re-files any item or exhibit that has been revised.
The dataset is a closed historical corpus. Coverage runs from January 1994, when EDGAR began accepting these filings electronically, through November 2000, when the SEC retired the form. The dataset is distributed as monthly ZIP containers, and the file types inside the containers are TXT (SGML-wrapped plain-text submission documents) and JSON (the per-record metadata sidecar).
A single record in the Form PRE13E3 Files Dataset is one complete EDGAR submission of a preliminary Rule 13e-3 transaction statement, identified by an 18-digit accession number and packaged as an accession-named folder inside a monthly ZIP container. The record bundles every textual document the issuer or its affiliates lodged with the SEC under that accession — the principal Schedule 13E-3 preliminary statement, any exhibits listed in the submission index, and the EDGAR-derived header information — together with a metadata.json sidecar that describes the submission and its parties in structured form.
The unit of the record is the filing, not the underlying transaction. An issuer that files an initial PRE13E3 followed by several PRE13E3/A amendments produces one record per accession, each representing a distinct point in the SEC's review cycle for that going-private deal.
Each ZIP container is a calendar-month bucket named YYYY-MM.zip and unpacks to a YYYY-MM/ root whose immediate children are accession folders. The folder name is the EDGAR accession number with dashes stripped to 18 contiguous digits (for example 000080302600000029 for accession 0000803026-00-000029). Inside that folder a record consists of:
metadata.json describing the submission and its parties; and.txt documents named <dashed-accession>-<four-digit-sequence>.txt, with sequence 0001 reserved for the principal PRE13E3 statement and higher sequence numbers carrying exhibits.The file types in the dataset are TXT and JSON. Image files (typically GIF renderings of signatures, charts, or logos) that may have appeared in the original EDGAR submission are excluded; everything else from the original filing index is preserved. There are no HTML, XBRL, or PDF artifacts in this corpus because the form was retired before EDGAR adopted HTML as a primary format for proxy-related filings and before the XBRL era.
metadata.json sidecarmetadata.json is a flat JSON object that mirrors the EDGAR header and submission index. Its principal fields include:
formType — either PRE13E3 or PRE13E3/A, identifying whether the record is an initial preliminary statement or a preliminary amendment.accessionNo — the dashed 18-digit EDGAR accession identifier; the canonical primary key for the filing.filedAt — ISO-8601 timestamp with timezone offset capturing the moment EDGAR accepted the submission.description — short human-readable label propagated from the EDGAR header, typically of the form "Form PRE13E3 - Initial statement - preliminary form." or the analogous amendment phrasing.linkToFilingDetails, linkToTxt, linkToHtml, linkToXbrl — canonical URLs that resolve back to the original EDGAR filing detail page and to the available source representations.documentFormatFiles — array enumerating every document in the submission. Each entry carries a sequence number, a size in bytes, a documentUrl pointing back to EDGAR, a type tag (e.g., PRE13E3 for the principal statement, or exhibit-type codes such as EX-99 for opinions and reports), and where present a free-text description. EDGAR's "complete submission text file" — the concatenated single-file representation of the entire submission — appears as an additional sibling entry with blank sequence and type.entities — array of every party named in the EDGAR header for the submission. Each entity object carries cik, companyName, sic, stateOfIncorporation, irsNo, and fiscalYearEnd, and may additionally carry act, fileNo, filmNo, and type. Because Rule 13e-3 transactions involve at least an issuer (the subject company whose shares are being taken private) and one or more filing affiliates, the same CIK frequently appears more than once in entities with different role suffixes appended to companyName such as (Filed by) and (Subject); when the filer and the issuer are distinct legal persons the entries carry different CIKs.dataFiles — array reserved for structured data exhibits, empty for PRE13E3 records.id — internal record identifier (hex string) used by the SEC API ecosystem.Each entry in documentFormatFiles materializes as a .txt file in the accession folder, wrapped in EDGAR's classic SGML document container. The wrapper opens with <DOCUMENT> and carries <TYPE>, <SEQUENCE>, and <FILENAME> tags that echo the metadata, then a <TEXT> block that holds the document body, and closes with </TEXT> and </DOCUMENT>. The body is plain ASCII — fixed-width, monospaced, paginated with <PAGE> separators that delimit successive printed pages. There is no HTML formatting and no tabular markup; financial summaries, fee calculations, and beneficial-ownership tables are rendered as text aligned by spaces.
The sequence-0001 document is the principal preliminary statement. It opens with a cover block identifying the SEC and the schedule, naming the issuer (subject company), the persons filing the statement, the CUSIP of the affected class of equity securities, the agent for service of process, the calculation of the filing fee paid, and any prior fee-offset reference. After the cover comes an Introduction describing the proposed going-private transaction at a high level, followed by a Cross Reference Sheet that maps the substantive disclosures back to the numbered Items of Schedule 13E-3.
The body then proceeds either Item by Item or by reference to a companion proxy statement filed contemporaneously, with material disclosures covering: the identity and background of the filing persons; past contacts, transactions, and negotiations among the parties; the terms of the transaction including consideration and treatment of dissenters; the source and amount of funds and any financing arrangements; the purpose and reasons for the going-private structure; plans or proposals for the subject company after consummation; summary financial information about the issuer; fairness opinions and summaries of any reports received from financial advisors, including disclosure of any conflicts of interest such advisors may bear; and a list of exhibits. The document ends with signature blocks formatted as /s/ Name with title and date.
When the submission carries exhibits as separate documents, those appear as additional .txt files under sequences 0002 and onward. Typical exhibit content includes fairness opinions issued by investment banks, valuation reports, the merger agreement or its key sections, financing commitment letters, and the form of proxy or information statement to be sent to security holders. Each exhibit is again SGML-wrapped with its own <TYPE> (often EX-99 or a more specific exhibit code) and <SEQUENCE> tags.
A record contains every textual file from the original EDGAR submission — the principal Schedule 13E-3 statement, all exhibit text documents listed in documentFormatFiles, and the metadata sidecar — but does not contain image binaries from the original submission. It also does not contain related but separately accessioned filings: the corresponding definitive proxy or information statement (DEF 14A, DEF 14C, or PREM14A), the contemporaneous Schedule 14D-9 if the going-private transaction took the form of a tender offer, any 8-K filed to disclose entry into the merger agreement, and any subsequent SC 13E3 (the post-2000 successor schedule) are each their own EDGAR accessions and live in their own datasets. Documents incorporated by reference into the PRE13E3 — most commonly the companion proxy statement — are referred to within the text but their full content is not duplicated inside the PRE13E3 record.
The required content is governed by Schedule 13E-3 promulgated under Rule 13e-3, and that schedule was not materially restructured during the dataset's coverage window. The Item numbering, the cross-reference convention, the cover-page calculation of filing fee, and the requirement to summarize or annex outside reports remained substantially stable from 1994 through November 2000. The most consequential structural event in the dataset's lifetime is its endpoint: in late 2000 the SEC adopted the Regulation M-A framework and the related amendments to Rule 13e-3 that retired the discrete preliminary form and folded preliminary review of going-private transactions into Schedule 13E-3 (filed on Form SC 13E3) without a separate PRE variant.
Because the corpus closes in November 2000, every record predates EDGAR's adoption of HTML as a primary format for proxy-related filings. Every document in every record is delivered as SGML-wrapped plain-text ASCII paginated by <PAGE> markers, regardless of filing year; the on-disk representation in 1994 matches the on-disk representation in 2000.
accessionNo and the digits-only folder name encode the same identifier; consumers should normalize to one form when joining metadata to file paths.entities frequently lists the same CIK with different role suffixes in companyName. Treat the role suffix as the disambiguator: in a Rule 13e-3 deal the same legal person can simultaneously be an affiliate filer and the subject company, while in third-party-affiliate transactions the filer and subject have distinct CIKs.documentFormatFiles (blank sequence and type) is EDGAR's concatenated single-file representation of all documents in the submission and is largely redundant with the per-document .txt files; consumers extracting at the document level should prefer the sequence-numbered files./s/ Name convention; there are no separate signature exhibits.documentFormatFiles only if it was physically lodged with this submission.Form PRE13E3 is filed jointly by the parties engaged in a Rule 13e-3 going-private transaction. Two classes of filing person appear on the cover page, and each must sign:
Because Rule 13e-3's obligation reaches both the issuer and every affiliate engaged in the transaction, PRE13E3 is almost always a multi-filer submission. Co-filers frequently include private acquisition vehicles that are not Exchange Act registrants in their own right, distinguishing PRE13E3 from an ordinary PRE 14A where the registrant is the sole filer.
The filing is triggered by a transaction described in Rule 13e-3(a)(3): a transaction or series of transactions by an issuer or its affiliate that has a reasonable likelihood of either (i) causing a class of Section 12 equity securities to become eligible for deregistration or reporting suspension, or (ii) causing a class listed on a national exchange or quoted in an inter-dealer system to be delisted or no longer quoted.
Typical triggering structures during the 1994-2000 window include:
PRE13E3 specifically applies when the going-private transaction is effected through a proxy or information statement sent to security holders, rather than as a stand-alone tender offer.
Timing. Under the proxy rules, preliminary materials in non-routine transactions (including Rule 13e-3 transactions) must be filed at least 10 calendar days before the definitive document is first sent to security holders. The PRE13E3 submission opens that staff review window, during which the Division of Corporation Finance may issue comments on the going-private disclosure, the fairness analysis, the financial statements, and the proxy mechanics. Once review concludes, the cleared materials are sent to shareholders and refiled in definitive form (historically as DEF13E3 / SC 13E3).
Amendments (PRE13E3/A). A PRE13E3/A is filed to revise the preliminary materials before they go definitive, most often in response to staff comments, updated financials, revised deal terms, or a change in the roster of filing persons. Each amendment is a separate accession number, so a single deal can generate one PRE13E3 plus several PRE13E3/A records.
Form lifecycle. EDGAR coverage of this form begins January 1, 1994. The form was retired in November 2000 when the Commission's Regulation M-A reforms (Release No. 33-7760 / 34-42055) consolidated preliminary and definitive Schedule 13E-3 filings under the single EDGAR form type SC 13E3 (with SC 13E3/A for amendments). The dataset is therefore historically closed.
PRE13E3 sits at the intersection of three regimes: the proxy rules under Section 14, the going-private rules under Rule 13e-3, and SEC pre-clearance review of preliminary materials. Several adjacent datasets look similar but cover different transaction types, filer roles, or document stages. The comparisons below mark the boundaries.
The single most important comparison. Effective with Regulation M-A in 2000, the SEC consolidated going-private disclosure into a unified Schedule 13E-3, filed once and amended as the deal evolves, eliminating the preliminary/definitive split. Substantive content is the same (affiliate joint filers, fairness determinations, Items 7-8 Purposes/Alternatives/Reasons/Effects, adviser opinions, conflict narratives), but the procedural posture differs. PRE13E3 is the discontinued predecessor: deals studied in 1994-2000 live here; deals from 2001 onward live in SC 13E3 / SC 13E3/A. A longitudinal study across the 2000 boundary requires both.
Within the 1994-2000 window, PRE13E3 is the preliminary staff-review draft; the definitive going-private filing distributed to holders was filed under the Schedule 13E-3 form code (SC 13E3, or older 13E3 in early/paper years). Substantive disclosures largely match, but the definitive reflects post-comment changes and is the legally operative version mailed to security holders. Use PRE13E3 to study what the SEC staff negotiated; use the definitive series for the final record.
Same preliminary 10-day staff-review posture as PRE13E3, but different content scope. PRE 14A (proxy) and PRE 14C (information statement) cover the full meeting disclosure: merger description, vote mechanics, ownership, executive compensation. PRE13E3 layers on the Rule 13e-3-specific items: fairness analysis, affiliate joint-filer signatures, conflict narratives, outside-adviser reports. Most going-private mergers generate both a PRE 14A/14C and a PRE13E3 in the same accession family. Pull PRE13E3 for fairness and affiliate conflicts; pull PRE 14A/14C for meeting mechanics.
Definitive merger proxy and information statements mailed to shareholders. They differ from PRE13E3 on two axes: (1) definitive rather than preliminary; (2) they cover all M&A proxy/information statement transactions, not just Rule 13e-3 deals. Most DEFM14A filings have no PRE13E3 counterpart (e.g., arm's-length strategic acquisitions). A PRE13E3 typically pairs with a definitive merger proxy after clearance, but the 13e-3 fairness disclosures live in the Schedule 13E-3 family, even when physically combined with the proxy in the mailing.
When a 1994-2000 going-private deal was structured as a tender offer rather than a merger vote, the issuer filed SC 13E4 (issuer self-tender) or a third-party affiliate filed Schedule 14D-1, alongside PRE13E3. These covered offer mechanics, pricing, conditions, and source of funds under Regulation 14D/14E. PRE13E3 is complementary, not substitutable: it carries the Rule 13e-3 fairness layer the tender schedules omit. (Post-2000, SC 13E4 and 14D-1 were consolidated into SC TO-I and SC TO-T.)
Target board's recommendation statement responding to a third-party tender offer. Overlaps with PRE13E3 only when a third-party-affiliate going-private tender triggers both regimes. SC 14D9 speaks from the target board responding to an outside bid; PRE13E3 speaks from the issuer/affiliate bidder group initiating the going-private deal. Filer, legal posture, and role differ even when the fairness narratives sound similar.
Additional definitive soliciting materials (press releases, investor decks, supplemental letters) filed after a definitive proxy. Event-driven and supplemental. May accompany a going-private deal but never carries the Rule 13e-3 disclosures themselves — no fairness opinion text, no affiliate signatures, no Item 7-8 analysis. Use DEFA14A for communications-strategy research, not for the core 13e-3 record.
PRE13E3 is irreplaceable for one specific slice: the preliminary going-private record from January 1994 through November 2000. Use SC 13E3 datasets for any going-private deal in 2001 or later. Use PRE 14A/14C or DEFM14A/14C for the proxy layer of the same deal. Use Schedule 13E-4 or 14D-1 (pre-2000) or SC TO-I/TO-T (post-2000) for tender-offer mechanics. Across all these, PRE13E3 is complementary rather than substitutable — the only dataset that captures the affiliate fairness draft as it was negotiated with SEC staff during the going-private wave that ended with Regulation M-A.
Users cluster in deal practice, securities litigation, valuation work, academic research, and financial NLP, each focused on a distinct slice of the record: transaction terms, fairness opinions, conflicts disclosures, projections, or the comment-and-amendment trail in PRE13E3/A filings.
Used as a precedent library when drafting Schedule 13E-3 disclosures, board-process narratives, and "reasons for the transaction" sections in current going-private deals. Counsel pull negotiation history, special-committee mandates, advisor engagement terms, and alternatives-considered language, then redline against the PRE13E3/A amendment trail to see what disclosures the staff pushed issuers to add before going definitive.
Used as primary evidence in fiduciary-duty, disclosure, and appraisal actions. Relevant fields are the fairness-opinion summary, the conflicts disclosure, the description of special-committee independence, and the offer price and premium. The corpus establishes what was customary disclosure practice in the late 1990s, supporting expert reports and motion briefing.
Used as a template and benchmarking source by investment bankers and testifying valuation experts. They extract methodologies (DCF, comparable companies, comparable transactions, premium-paid, LBO analysis), assumption disclosures, and limitations language to build internal opinion standards and to support testimony on customary practice for opinion content and sensitivity analysis.
Used as a near-complete sample for studies of going-private premiums, MBO economics, and freezeout pricing. Researchers pull offer prices, premium-to-market figures, projections, multiples, and comparable sets to estimate premium distributions and test agency-conflict hypotheses across the late-1990s LBO wave.
Used as a textual corpus for work on controlling-shareholder freezeouts, the entire-fairness standard, and special-committee process. They focus on disclosed director independence, separateness of negotiations, advisor selection, and conflict mitigation, often comparing pre- and post-amendment language to track how process was reframed under staff review.
Used to reconstruct the universe of late-1990s sponsor-led take-privates and management buyouts, identify recurring structures (two-step tender plus short-form merger, recapitalization cash-outs), and study staff comment themes in the run-up to Regulation M-A. The 2000 terminal date makes the dataset the canonical record of pre-Regulation M-A preliminary going-private practice.
Used to study how affiliated parties, rollover investors, and management participants were disclosed, and how conflicts among directors, officers, and controlling holders were mitigated. Related-party language and continuing-equity disclosures are the central fields.
Used to identify the deal universe and recover transaction-level inputs (consideration, financing structure, pro-forma cash flows) needed to link going-private events to later defaults or restructurings.
Used as a tightly scoped corpus for fine-tuning and evaluation. Tasks include fairness-opinion section segmentation, extraction of valuation methods and ranges, conflict-disclosure classification, special-committee process tagging, and revision detection across PRE13E3/A amendments. Small size and clean form-type scoping make it a practical held-out set and a domain index for legal-precedent retrieval assistants.
Used in law school clinics, business school cases, and CLE programs as teaching artifacts for going-private process, fairness review, and Rule 13e-3 disclosure mechanics.
The common thread: PRE13E3 materials uniquely document affiliate going-private transactions during a specific regulatory era. That record supports precedent drafting, litigation evidence, valuation benchmarking, empirical and historical research, and specialized NLP work on a clean, bounded corpus.
Concrete workflows the Form PRE13E3 corpus supports, anchored to specific record elements and tangible deliverables.
Building a fairness-opinion benchmark for testifying experts. Pull the EX-99 fairness-opinion exhibits and the Item 9 summary sections from the sequence-0001 statement across the corpus, segment them into methodology blocks (DCF, comparable companies, comparable transactions, premium-paid, LBO analysis), and extract assumption ranges, terminal multiples, and limitation language. Output is a structured benchmark used in expert reports to support testimony on customary 1994-2000 fairness-opinion content and sensitivity-analysis practice.
Drafting a precedent memo for a current special-committee mandate. Filter records where entities shows controlling-affiliate filers and the principal statement contains a "Background of the Transaction" section, then assemble the special-committee mandate language, advisor-engagement terms, and alternatives-considered narrative. Deliverable is a redline-ready precedent memo for going-private deal counsel showing how analogous late-1990s committees framed independence, advisor retention, and process integrity.
Constructing a regression dataset on going-private premiums. Parse the cover-page filing-fee calculation and the Item 1 transaction-terms section to extract per-share consideration, total transaction value, and CUSIP, then join to CRSP on the issuer CIK in entities to compute premium-to-market at announcement. Output is a panel of premium observations used to test agency-conflict hypotheses across the late-1990s MBO wave and to estimate premium distributions by deal structure (cash-out merger, reverse split, two-step tender).
Reconstructing deal-process timelines from the PRE13E3/A amendment trail. Group accessions by issuer CIK and formType, order by filedAt, and diff the principal statement and fairness-opinion exhibits across each PRE13E3 and subsequent PRE13E3/A to surface staff-driven additions to conflicts disclosures, projection footnotes, and special-committee narrative. Deliverable is a per-deal timeline showing what disclosures the SEC staff pushed issuers to add before clearance, used in CLE materials and in litigation briefs on customary process.
Training an NLP classifier for conflict-of-interest disclosure. Label paragraphs from the Item 3 (past contacts and negotiations) and Item 5 (purpose and reasons) sections covering rollover equity, management participation, advisor cross-engagements, and director affiliations to produce a labeled corpus. Output is a fine-tuned classifier and held-out evaluation set for tagging related-party and continuing-equity language in current SC 13E3 filings, deployable inside a legal-precedent retrieval assistant.
Mapping financing structures behind 1990s sponsor-led take-privates. Extract the Item 4 "Source and Amount of Funds" disclosure and any financing-commitment exhibit text, then code each deal as senior secured, mezzanine, sponsor equity, or rollover, and link to the issuer's later 10-K and credit filings. Deliverable is a financing-structure dataset feeding credit and restructuring research that connects going-private capital stacks to subsequent default and restructuring outcomes.
Producing a controlling-shareholder freezeout casebook. Filter records where the same CIK appears in entities with both (Filed by) and (Subject) role suffixes, extract the Item 7-8 fairness analysis and the special-committee independence narrative, and pair with the matched definitive SCHEDULE 13E3 to show post-comment changes. Output is a teaching casebook for law-school clinics and entire-fairness scholarship on controlling-shareholder going-private practice immediately preceding Regulation M-A.
The Form PRE13E3 Files Dataset is available through three access methods: a JSON metadata endpoint, a full archive download, and per-container downloads. Filings are organized into ZIP containers covering data back to 1994-01-01 for form types PRE13E3 and PRE13E3/A.
Dataset Index JSON API: https://api.sec-api.io/datasets/form-pre13e3-files.json
This endpoint returns dataset-level metadata (name, description, last updated timestamp, earliest sample date, total records, total size, form types covered, container format, and file types) along with the full dataset download URL and a containers array listing every individual container with its key, size, records, updatedAt, and downloadUrl. Use it to monitor which containers were refreshed in the latest run and to decide which ones to re-download on a daily basis. This endpoint does not require an API key.
Example response:
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{
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"datasetId": "1f13365b-9ae0-69be-aa35-4f528e87e447",
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"datasetDownloadUrl": "https://api.sec-api.io/datasets/form-pre13e3-files.zip",
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"name": "Form PRE13E3 Files Dataset",
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"description": "Form PRE13E3 filings contain preliminary proxy materials related to going-private transactions under Rule 13e-3 of the Securities Exchange Act of 1934.",
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"updatedAt": "2026-04-15T12:17:14.742Z",
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"earliestSampleDate": "1994-01-01",
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"totalRecords": 1420,
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"totalSize": 56456468,
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"formTypes": ["PRE13E3", "PRE13E3/A"],
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"containerFormat": "ZIP",
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"fileTypes": ["TXT", "JSON"],
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"containers": [
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{
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"downloadUrl": "https://api.sec-api.io/datasets/form-pre13e3-files/2026/2026-03.zip",
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"key": "2026/2026-03.zip",
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"size": 1382877,
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"records": 14,
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"updatedAt": "2026-04-15T12:17:14.742Z"
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}
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]
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}
Download Entire Dataset: https://api.sec-api.io/datasets/form-pre13e3-files.zip?token=YOUR_API_KEY
Downloads the complete dataset as a single ZIP archive containing every container file. This endpoint requires an API key, which can be supplied either as a token query parameter or via the Authorization header.
Download Single Container: https://api.sec-api.io/datasets/form-pre13e3-files/2026/2026-03.zip?token=YOUR_API_KEY
Downloads one individual monthly container instead of the full archive. Use the downloadUrl values returned by the index JSON to fetch specific containers, for example to retrieve only the most recently updated ones. This endpoint requires an API key, which can be supplied either as a token query parameter or via the Authorization header.
The dataset covers two EDGAR form types: PRE13E3, the initial preliminary Rule 13e-3 transaction statement, and PRE13E3/A, preliminary amendments that revise a prior PRE13E3 in response to staff comments, updated financials, revised deal terms, or a change in the roster of filing persons. Both are preliminary going-private transactions submitted before the definitive proxy or information statement is mailed to security holders.
One record is one complete EDGAR submission identified by an 18-digit accession number, packaged as an accession-named folder inside a monthly ZIP container. The folder bundles a metadata.json sidecar plus every textual document from the original submission — the principal Schedule 13E-3 preliminary statement at sequence 0001 and any exhibit documents at higher sequences — all wrapped in EDGAR's classic SGML document container.
Form PRE13E3 is filed jointly by the subject issuer and every affiliate engaged in the Rule 13e-3 going-private transaction. Affiliates, defined by Rule 13e-3(a)(1), include controlling shareholders, parent holding companies, private equity sponsors with an existing control position, management buyout groups, and the acquisition vehicles formed to consummate the deal. Each filing person must sign the cover page, so the same submission frequently lists multiple CIKs in entities.
EDGAR coverage begins January 1, 1994 — the earliest sample date — and ends in November 2000, when the SEC retired the form under the Regulation M-A reforms (Release No. 33-7760 / 34-42055). The dataset is a closed historical corpus; for going-private deals from 2001 onward, see the SC 13E3 / SC 13E3/A datasets that consolidated preliminary and definitive Schedule 13E-3 filings.
The dataset is distributed as monthly ZIP containers named YYYY-MM.zip. Inside each accession folder, file types are TXT (SGML-wrapped plain-text submission documents, paginated with <PAGE> separators) and JSON (the per-record metadata.json sidecar). Image files from the original EDGAR submission are excluded; there are no HTML, XBRL, or PDF artifacts because the form was retired before EDGAR adopted those formats for proxy-related filings. (For context, see the SEC's inline XBRL program.)
PRE13E3 is the discontinued preliminary-stage form used from January 1994 through November 2000; SC 13E3 is the unified going-private schedule that replaced it under Regulation M-A. Substantive disclosure content (affiliate joint filers, fairness determinations, Items 7-8, adviser opinions, conflict narratives) is largely the same, but PRE13E3 captures the staff-review draft before clearance, while SC 13E3 eliminates the preliminary/definitive split and is filed once and amended as the deal evolves. A longitudinal study across the 2000 boundary requires both datasets.
Group records by issuer CIK and order by filedAt to assemble the chain of one initial PRE13E3 plus subsequent PRE13E3/A amendments, since each amendment is a separate accession and often supplies only the items and exhibits being changed rather than restating the entire transaction. To reach the definitive record mailed to shareholders and any companion proxy or tender-offer materials, follow the issuer's accession trail into the matched SCHEDULE 13E3, DEFM14A/DEFM14C, Schedule 13E-4, or Schedule 14D-1 filings — each of which lives in its own dataset.