Knowles Corp — Investor Relations & Filings
Knowles Corporation is a market leader and global provider of high-performance components designed for demanding applications. The company's portfolio is centered on two main segments: advanced micro-acoustic solutions and precision devices. Key products include MEMS (micro-electro-mechanical systems) microphones, balanced armature speakers, and various audio processing technologies. The precision devices segment offers high-performance capacitors and radio frequency (RF) filtering products. These critical components serve a diverse range of end markets, including medtech, hearing health, defense, industrial, electrification, and consumer electronics, particularly in mobile and true wireless audio applications.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 10-Q - Knowles Corp (0001587523) (Filer) | 2026-04-28 | English | |
| SCHEDULE 13G/A - Knowles Corp (0001587523) (Subject) | 2026-03-27 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-26 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-24 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-23 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-23 | English |
Market data
Market data not available
Price history
Peer group · Manufacture of other electronic components and boards
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Bestechnic (Shanghai) Co., Ltd.
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Bestec Power Electronics Co., Ltd.
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Knowles 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/31674/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31674 | 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=31674 | 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=31674 \ -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": 31674}, 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 Knowles Corp (id: 31674)"
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