Massive
SEC Form 3 filings reporting initial statements of beneficial ownership of securities. Filed by corporate insiders (directors, officers, and 10%+ shareholders) when they first acquire a position. Can't find what you're looking for? POST feedback to /feedback, no charge.
Offering
- Provider
- agent.massive.com
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Legal And Compliance
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://agent.massive.com/stocks/filings/vX/form-3- MIME type
- application/json
- First seen
- 2026-10-16T01:50:10.647Z
- Last seen
- Tags
- filings, form-3, insider, SEC
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"payTo": "0x525f6dDcE9aF7a7179D7696aaBfCd5FCd15a21e6"
}
]Observed health
- Status
- Healthy
- Latest latency
- 10 ms
- Average latency
- 13 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"filing_date": {
"description": "Date when the filing was submitted to the SEC (formatted as YYYY-MM-DD). Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.gt": {
"description": "Filter greater than the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.gte": {
"description": "Filter greater than or equal to the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.lt": {
"description": "Filter less than the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.lte": {
"description": "Filter less than or equal to the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"form_type": {
"description": "SEC form type ('3' for initial filing, '3/A' for amendments).",
"type": "string"
},
"issuer_cik": {
"description": "SEC Central Index Key of the issuer company (10 digits, zero-padded).",
"type": "string"
},
"issuer_cik.any_of": {
"description": "Filter equal to any of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
},
"limit": {
"default": 100,
"description": "Limit the maximum number of results returned. Defaults to '100' if not specified. The maximum allowed limit is '10000'.",
"maximum": 10000,
"minimum": 1,
"type": "integer"
},
"owner_cik": {
"description": "SEC Central Index Key of the reporting owner (10 digits, zero-padded).",
"type": "string"
},
"owner_cik.any_of": {
"description": "Filter equal to any of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
},
"sort": {
"default": "filing_date.desc",
"description": "A comma separated list of sort columns. For each column, append '.asc' or '.desc' to specify the sort direction. The sort column defaults to 'filing_date' if not specified. The sort order defaults to 'desc' if not specified.",
"type": "string"
},
"tickers": {
"description": "Filter for arrays that contain the value.",
"type": "string"
},
"tickers.all_of": {
"description": "Filter for arrays that contain all of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
},
"tickers.any_of": {
"description": "Filter for arrays that contain any of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"filing_date": {
"description": "Date when the filing was submitted to the SEC (formatted as YYYY-MM-DD). Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.gt": {
"description": "Filter greater than the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.gte": {
"description": "Filter greater than or equal to the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.lt": {
"description": "Filter less than the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"filing_date.lte": {
"description": "Filter less than or equal to the value. Value must be formatted 'yyyy-mm-dd'.",
"type": "string"
},
"form_type": {
"description": "SEC form type ('3' for initial filing, '3/A' for amendments).",
"type": "string"
},
"issuer_cik": {
"description": "SEC Central Index Key of the issuer company (10 digits, zero-padded).",
"type": "string"
},
"issuer_cik.any_of": {
"description": "Filter equal to any of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
},
"limit": {
"default": 100,
"description": "Limit the maximum number of results returned. Defaults to '100' if not specified. The maximum allowed limit is '10000'.",
"maximum": 10000,
"minimum": 1,
"type": "integer"
},
"owner_cik": {
"description": "SEC Central Index Key of the reporting owner (10 digits, zero-padded).",
"type": "string"
},
"owner_cik.any_of": {
"description": "Filter equal to any of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
},
"sort": {
"default": "filing_date.desc",
"description": "A comma separated list of sort columns. For each column, append '.asc' or '.desc' to specify the sort direction. The sort column defaults to 'filing_date' if not specified. The sort order defaults to 'desc' if not specified.",
"type": "string"
},
"tickers": {
"description": "Filter for arrays that contain the value.",
"type": "string"
},
"tickers.all_of": {
"description": "Filter for arrays that contain all of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
},
"tickers.any_of": {
"description": "Filter for arrays that contain any of the values. Multiple values can be specified by using a comma separated list.",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}