IONIS PHARMACEUTICALS INC — Investor Relations & Filings
Ionis Pharmaceuticals, Inc. is a biopharmaceutical company that discovers and develops RNA- and DNA-targeted therapeutics. Leveraging its expertise in antisense technology and a deep understanding of genetics, the company creates novel medicines designed to treat a wide range of serious diseases. Its development pipeline and marketed products primarily address neurologic and cardiometabolic disorders, as well as other areas with high unmet patient needs, including rare diseases. The company's approach aims to provide new solutions for complex and often intractable conditions by targeting the root cause of disease at the genetic level.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| Major Shareholding Notification 2026 | 2026-04-30 | English | |
| 10-Q - IONIS PHARMACEUTICALS INC (0000874015) (Filer) | 2026-04-29 | English | |
| 8-K - IONIS PHARMACEUTICALS INC (0000874015) (Filer) | 2026-04-29 | English | |
| ARS | 2026-04-23 | English | |
| DEFA14A | 2026-04-23 | English | |
| DEF 14A - IONIS PHARMACEUTICALS INC (0000874015) (Filer) | 2026-04-23 | English |
Browse filings by year
17 yearsMarket data
Market data not available
Price history
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IONIS PHARMACEUTICALS INC 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/30591/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30591 | 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=30591 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30591 \ -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": 30591}, 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 IONIS PHARMACEUTICALS INC (id: 30591)"
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