Start with the filing type
The form number determines whether you are reading an initial holding, a change in ownership, an annual catch-up, or a proposed sale notice.
The URL of the SEC XML document for a filing, resolved from the filing detail page. For Form 3, 4, and 5, the XML is the structured primary document; for Form 144, the primary document is typically HTML.
The form number determines whether you are reading an initial holding, a change in ownership, an annual catch-up, or a proposed sale notice.
CIKs, accession numbers, and SEC URLs are durable references. They are safer than company names when matching across systems.
A Form 144 proposed sale is not the same thing as an executed Form 4 sale. Keep proposed-sale context separate from transaction rows.
xml-url