Add insider transactions dataset

insider_transactions/README.md

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+# Insider Transactions
+
+A comprehensive dataset of insider trading transactions reported to the U.S. Securities and Exchange Commission (SEC), enriched with insider metadata and security information.
+
+The dataset covers **more than 20 years** of insider trading activity, making it suitable for financial research, quantitative analysis, machine learning, and academic studies.
+
+## Coverage
+
+| Property    | Value                            |
+| ----------- | -------------------------------- |
+| Country     | United States                    |
+| Source      | SEC EDGAR Forms 3, 4 and 5       |
+| Date Range  | **2006-01-03** to **2026-06-30** |
+| Format      | Apache Parquet                   |
+| Compression | Snappy                           |
+
+## Contents
+
+Each row represents a single insider transaction reported to the SEC.
+
+The dataset includes:
+
+* Company information
+* Security information
+* Insider identity
+* Insider roles
+* Transaction details
+* Ownership information
+* Derivative transaction information (when applicable)
+
+## Schema
+
+| Column                      | Type          | Description                                                              |
+| --------------------------- | ------------- | ------------------------------------------------------------------------ |
+| company                     | string        | Company name                                                             |
+| symbol                      | string        | Security ticker symbol                                                   |
+| security_type               | string        | Security type (e.g. STOCK)                                               |
+| security_class              | string        | Security class                                                           |
+| security_title              | string        | Security title reported in the filing                                    |
+| insider_name                | string        | Insider full name                                                        |
+| insider_cik                 | string        | SEC Central Index Key (CIK) of the insider                               |
+| insider_role                | array<string> | Insider roles (e.g. `DIRECTOR`, `OFFICER`, `TEN_PERCENT_OWNER`, `OTHER`) |
+| officer_title               | string        | Officer title when available                                             |
+| street                      | string        | Insider mailing street                                                   |
+| city                        | string        | Insider mailing city                                                     |
+| state                       | string        | State or province                                                        |
+| zip                         | string        | Postal code                                                              |
+| country                     | string        | Country code                                                             |
+| record_type                 | string        | SEC filing record type                                                   |
+| event_date                  | date          | Transaction date                                                         |
+| filing_date                 | date          | Filing date with the SEC                                                 |
+| period_of_report            | date          | Period covered by the filing                                             |
+| transaction_direction       | string        | `ACQUIRED` or `DISPOSED`                                                 |
+| transaction_type            | string        | Normalized transaction category                                          |
+| transaction_shares          | long          | Number of shares involved                                                |
+| transaction_price_per_share | decimal       | Price per share                                                          |
+| transaction_total_value     | decimal       | Total transaction value                                                  |
+| shares_after_transaction    | long          | Shares owned after the transaction                                       |
+| ownership_type              | string        | `DIRECT` or `INDIRECT` ownership                                         |
+| nature_of_ownership         | string        | Description of indirect ownership when provided                          |
+| exercise_date               | date          | Option exercise date (derivative transactions)                           |
+| expiration_date             | date          | Expiration date (derivative transactions)                                |
+| underlying_security_shares  | decimal       | Underlying shares for derivative securities                              |
+| underlying_security_value   | decimal       | Underlying security value                                                |
+
+## Normalized Values
+
+### Transaction Direction
+
+| Value    | Meaning                  |
+| -------- | ------------------------ |
+| ACQUIRED | Securities were acquired |
+| DISPOSED | Securities were disposed |
+
+### Ownership Type
+
+| Value    | Meaning            |
+| -------- | ------------------ |
+| DIRECT   | Direct ownership   |
+| INDIRECT | Indirect ownership |
+
+### Transaction Type
+
+| Code                | Meaning                                         |
+| ------------------- | ----------------------------------------------- |
+| PURCHASE            | Open market or private purchase                 |
+| SALE                | Open market or private sale                     |
+| ACQUISITION         | Acquisition not otherwise classified            |
+| DISPOSITION         | Disposition not otherwise classified            |
+| DERIVATIVE_EXERCISE | Exercise or conversion of derivative securities |
+| TAX_WITHHOLDING     | Shares withheld for taxes                       |
+| GIFT                | Gift transaction                                |
+| OTHER               | Other SEC transaction type                      |
+
+## Example
+
+| company    | symbol | insider_name | insider_role  | event_date | transaction_type | transaction_direction | transaction_shares |
+| ---------- | ------ | ------------ | ------------- | ---------- | ---------------- | --------------------- | -----------------: |
+| Apple Inc. | AAPL   | Tim Cook     | `["OFFICER"]` | 2024-04-02 | SALE             | DISPOSED              |            196,410 |
+
+## Intended Use
+
+This dataset is suitable for:
+
+* Insider trading analysis
+* Event studies
+* Quantitative investing
+* Financial machine learning
+* Academic research
+* Corporate governance research
+* Market behavior analysis
+
+## Notes
+
+* One row represents one reported insider transaction.
+* Insider roles are represented as an array because an individual may simultaneously be a director, officer, and/or 10% owner.
+* Company and security identifiers have been converted to human-readable values where possible.
+* Transaction types have been normalized from SEC transaction codes to improve usability.
+* Dates are stored using the ISO 8601 (`YYYY-MM-DD`) format.
+
+## Disclaimer
+
+This dataset is derived from publicly available SEC filings. While every effort has been made to normalize and validate the data, it is provided **as-is** without warranty. Users should independently verify information before making investment or business decisions.

insider_transactions/croissant.json

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+{
+  "@context": {
+    "@vocab": "https://schema.org/",
+    "cr": "http://mlcommons.org/croissant/"
+  },
+  "@type": "Dataset",
+  "@id": "insider-transactions",
+  "name": "SEC Insider Transactions",
+  "description": "A dataset of insider trading transactions reported to the U.S. Securities and Exchange Commission (SEC), enriched with insider metadata, company information, and normalized transaction types.",
+  "license": "../LICENSE",
+  "version": "1.0.0",,
+  "keywords": [
+    "finance",
+    "stocks",
+    "sec",
+    "insider trading",
+    "form4",
+    "form3",
+    "form5",
+    "equities",
+    "investment",
+    "machine learning"
+  ],
+  "distribution": [
+    {
+      "@type": "cr:FileObject",
+      "@id": "parquet-files",
+      "name": "Parquet Dataset",
+      "description": "Apache Parquet files containing insider transactions.",
+      "contentUrl": "*.parquet",
+      "encodingFormat": "application/x-parquet"
+    }
+  ],
+  "recordSet": [
+    {
+      "@type": "cr:RecordSet",
+      "@id": "insider_transactions",
+      "name": "Insider Transactions",
+      "description": "One record per insider transaction reported to the SEC.",
+      "data": {
+        "@id": "parquet-files"
+      },
+      "field": [
+        {
+          "@type": "cr:Field",
+          "name": "company",
+          "description": "Company name.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "symbol",
+          "description": "Ticker symbol of the traded security.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "security_type",
+          "description": "Security type.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "security_class",
+          "description": "Security class.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "security_title",
+          "description": "Security title reported in the filing.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "insider_name",
+          "description": "Full name of the insider.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "insider_cik",
+          "description": "SEC Central Index Key (CIK) of the insider.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "insider_role",
+          "description": "Roles held by the insider.",
+          "dataType": "sc:Text",
+          "repeated": true
+        },
+        {
+          "@type": "cr:Field",
+          "name": "officer_title",
+          "description": "Officer title, when available.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "street",
+          "description": "Mailing street address.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "city",
+          "description": "Mailing city.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "state",
+          "description": "Mailing state or province.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "zip",
+          "description": "Postal code.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "country",
+          "description": "Country code.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "record_type",
+          "description": "SEC filing record type.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "event_date",
+          "description": "Transaction date.",
+          "dataType": "sc:Date"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "filing_date",
+          "description": "Date the filing was submitted to the SEC.",
+          "dataType": "sc:Date"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "period_of_report",
+          "description": "Reporting period covered by the filing.",
+          "dataType": "sc:Date"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "transaction_direction",
+          "description": "Whether securities were acquired or disposed.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "transaction_type",
+          "description": "Normalized SEC transaction type.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "transaction_shares",
+          "description": "Number of shares involved in the transaction.",
+          "dataType": "sc:Integer"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "transaction_price_per_share",
+          "description": "Price per share.",
+          "dataType": "sc:Number"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "transaction_total_value",
+          "description": "Total transaction value.",
+          "dataType": "sc:Number"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "shares_after_transaction",
+          "description": "Shares beneficially owned after the transaction.",
+          "dataType": "sc:Integer"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "ownership_type",
+          "description": "Ownership type (DIRECT or INDIRECT).",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "nature_of_ownership",
+          "description": "Description of indirect ownership, when reported.",
+          "dataType": "sc:Text"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "exercise_date",
+          "description": "Exercise date for derivative securities.",
+          "dataType": "sc:Date"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "expiration_date",
+          "description": "Expiration date for derivative securities.",
+          "dataType": "sc:Date"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "underlying_security_shares",
+          "description": "Number of underlying shares represented by a derivative security.",
+          "dataType": "sc:Number"
+        },
+        {
+          "@type": "cr:Field",
+          "name": "underlying_security_value",
+          "description": "Value of the underlying security.",
+          "dataType": "sc:Number"
+        }
+      ]
+    }
+  ]
+}