Waystar Holding Corp. — Investor Relations & Filings
Filings indexed
245
across all filing types
Latest filing
2026-03-27
Major Shareholding Noti…
Country
US
United States of America
Listing
US
WAY
Waystar Holding Corp. provides mission-critical, cloud-based software designed to simplify healthcare payments. The company's enterprise-grade platform offers end-to-end revenue cycle management solutions that streamline complex financial workflows, enabling healthcare providers to optimize financial performance and prioritize patient care. Serving approximately 30,000 clients representing over one million distinct providers, Waystar's technology annually processes over 6 billion healthcare payment transactions, including more than $1.8 trillion in gross claims, and spans transactions for approximately 50% of U.S. patients.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| SCHEDULE 13G/A - Waystar Holding Corp. (0001990354) (Subject) | 2026-03-27 | English | |
| 4 - WAYSTAR HOLDING CORP. (0001990354) (Filer) | 2026-03-03 | English | |
| 10-K Filing | 2026-02-17 | English | |
| 8-K Filing | 2026-02-17 | English | |
| 8-K Filing | 2026-02-06 | English | |
| SCHEDULE 13G Filing | 2026-02-05 | English |
Browse filings by year
4 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
8 filings
| |||||
| 33064542 | SCHEDULE 13G/A - Waystar Holding Corp. (0001990354) (Subject) | 2026-03-27 | English | ||
| 32900865 | 4 - WAYSTAR HOLDING CORP. (0001990354) (Filer) | 2026-03-03 | English | ||
| 32280378 | 10-K Filing | 2026-02-17 | English | ||
| 32280268 | 8-K Filing | 2026-02-17 | English | ||
| 32280265 | 8-K Filing | 2026-02-06 | English | ||
| 32280345 | SCHEDULE 13G Filing | 2026-02-05 | English | ||
| 13667675 | FORM 4 | 2026-01-22 | English | ||
| 13667677 | Regulatory Filings 2026 | 2026-01-20 | English | ||
|
2025
7 filings
| |||||
| 13667678 | FORM 4 | 2025-12-23 | English | ||
| 13667679 | Regulatory Filings 2025 | 2025-12-22 | English | ||
| 13667680 | FORM 4 | 2025-12-11 | English | ||
| 13667681 | Regulatory Filings 2025 | 2025-12-10 | English | ||
| 13667685 | FORM 4 | 2025-11-26 | English | ||
| 13667682 | Regulatory Filings 2025 | 2025-11-25 | English | ||
| 13667684 | FORM 4 | 2025-11-21 | English | ||
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Waystar Holding Corp. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30866/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30866 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30866 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30866 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30866}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Waystar Holding Corp. (id: 30866)"
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