Knowles Corp SEC filings KN
Knowles Corp has 998 filings in SEC EDGAR's recent list, going back to Sep 30, 2013. Its latest annual report, Form ARS, was filed on Mar 11, 2026 for the period ended Mar 11, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 27, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 22, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 27, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2026 | Oct 22, 2026 |
| 4/A | Primary document | Aug 19, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 17, 2026 |
| 144 | Notice of proposed sale | Aug 17, 2026 | — |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 14, 2026 | Aug 12, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 144 | Notice of proposed sale | Aug 13, 2026 | — |
| 144 | Notice of proposed sale | Aug 13, 2026 | — |
| 144 | Notice of proposed sale | Aug 12, 2026 | — |
| 144 | Notice of proposed sale | Aug 12, 2026 | — |
| 8-K/A |
Amended current report
Shareholder vote results
|
Jul 28, 2026 | Apr 28, 2026 |
| 10-Q | Quarterly report | Jul 28, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 28, 2026 | Jul 27, 2026 |
| 144 | Notice of proposed sale | Jul 27, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jul 23, 2026 | Jul 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 7, 2026 | — |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2026 | — |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 144 | Notice of proposed sale | May 5, 2026 | — |
| 144 | Notice of proposed sale | May 5, 2026 | — |
| 144 | Notice of proposed sale | May 1, 2026 | — |
| 4 | Insider transaction | Apr 30, 2026 | Apr 30, 2026 |
| 144 | Notice of proposed sale | Apr 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 4 | Insider transaction | Apr 29, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 28, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Apr 29, 2026 | Apr 28, 2026 |
| 144 | Notice of proposed sale | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 29, 2026 | Apr 27, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 10-Q | Quarterly report | Apr 28, 2026 | Mar 31, 2026 |
| 144 | Notice of proposed sale | Apr 28, 2026 | — |
| 144 | Notice of proposed sale | Apr 28, 2026 | — |
| 144 | Notice of proposed sale | Apr 27, 2026 | — |
| 8-K |
Current report
Results of operations
|
Apr 23, 2026 | Apr 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| ARS | Annual report to shareholders | Mar 11, 2026 | Mar 11, 2026 |
| DEF 14A | Proxy statement | Mar 11, 2026 | Mar 11, 2026 |
| DEFA14A | Additional proxy material | Mar 11, 2026 | — |
| 144 | Notice of proposed sale | Feb 26, 2026 | — |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 10, 2026 |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 20, 2026 | Feb 17, 2026 |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 10, 2026 |
| 144 | Notice of proposed sale | Feb 10, 2026 | — |
| 144 | Notice of proposed sale | Feb 10, 2026 | — |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 10-K | Annual report | Feb 9, 2026 | Dec 31, 2025 |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 4 | Insider transaction | Feb 6, 2026 | Feb 6, 2026 |
| 144 | Notice of proposed sale | Feb 6, 2026 | — |
| 8-K |
Current report
Results of operations
|
Feb 5, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Feb 3, 2026 |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 4 | Insider transaction | Feb 2, 2026 | Jan 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 29, 2026 | — |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| 144 | Notice of proposed sale | Jan 15, 2026 | — |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 10, 2025 |
| 144 | Notice of proposed sale | Dec 10, 2025 | — |
| 4 | Insider transaction | Dec 8, 2025 | Dec 4, 2025 |
| 144 | Notice of proposed sale | Dec 4, 2025 | — |
| 4 | Insider transaction | Nov 26, 2025 | Nov 25, 2025 |
| 144 | Notice of proposed sale | Nov 25, 2025 | — |
| 4/A | Primary document | Nov 24, 2025 | Nov 21, 2025 |
| 4 | Insider transaction | Nov 21, 2025 | Nov 21, 2025 |
| 144 | Notice of proposed sale | Nov 21, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 4, 2025 | Oct 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 4, 2025 | — |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| 144 | Notice of proposed sale | Oct 31, 2025 | — |
| 10-Q | Quarterly report | Oct 28, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2025 | Oct 23, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 14, 2025 | — |
| 4 | Insider transaction | Aug 26, 2025 | Aug 25, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 22, 2025 |
| 4 | Insider transaction | Aug 14, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 6, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 29, 2025 |
| 4 | Insider transaction | Jul 29, 2025 | Mar 20, 2025 |
| 144 | Notice of proposed sale | Jul 29, 2025 | — |
| 10-Q | Quarterly report | Jul 29, 2025 | Jun 30, 2025 |
| 144 | Notice of proposed sale | Jul 28, 2025 | — |
| 144 | Notice of proposed sale | Jul 28, 2025 | — |
| 8-K |
Current report
Results of operations
|
Jul 24, 2025 | Jul 24, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 18, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 22, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 144 | Notice of proposed sale | May 15, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 13, 2025 | May 13, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 9, 2025 | — |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Feb 5, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | May 1, 2025 | Apr 29, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2025 | Apr 29, 2025 |
| 15-15D | Filing | Apr 30, 2025 | — |
| S-8 POS | Filing | Apr 30, 2025 | — |
| 10-Q | Quarterly report | Apr 29, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 24, 2025 | Apr 24, 2025 |
| ARS | Annual report to shareholders | Mar 14, 2025 | Mar 14, 2025 |
| DEFA14A | Additional proxy material | Mar 14, 2025 | — |
| DEF 14A | Proxy statement | Mar 14, 2025 | Mar 14, 2025 |
| 144 | Notice of proposed sale | Feb 26, 2025 | — |
| 4 | Insider transaction | Feb 26, 2025 | Feb 26, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 25, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Dec 10, 2024 |
| 4 | Insider transaction | Feb 20, 2025 | Dec 10, 2024 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 10-K | Annual report | Feb 13, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 13, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 10, 2025 | Feb 6, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 27, 2025 | — |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Dec 30, 2024 | Dec 27, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 6, 2024 |
| 3 | Initial insider ownership | Dec 9, 2024 | Dec 6, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 9, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 5, 2024 | Dec 3, 2024 |
| 4 | Insider transaction | Dec 5, 2024 | Dec 4, 2024 |
| 4 | Insider transaction | Nov 25, 2024 | Nov 25, 2024 |
| 144 | Notice of proposed sale | Nov 25, 2024 | — |
| 4 | Insider transaction | Nov 12, 2024 | Nov 7, 2024 |
| 144 | Notice of proposed sale | Nov 7, 2024 | — |
| 4 | Insider transaction | Nov 7, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Nov 6, 2024 | Mar 4, 2024 |
| 144 | Notice of proposed sale | Nov 4, 2024 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 31, 2024 | Oct 29, 2024 |
| 144 | Notice of proposed sale | Oct 29, 2024 | — |
| 10-Q | Quarterly report | Oct 29, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2024 | Oct 24, 2024 |
| 4 | Insider transaction | Sep 30, 2024 | Sep 30, 2024 |
| 144 | Notice of proposed sale | Sep 30, 2024 | — |
| 4 | Insider transaction | Sep 24, 2024 | Sep 23, 2024 |
| 4 | Insider transaction | Sep 23, 2024 | Sep 20, 2024 |
| 144 | Notice of proposed sale | Sep 23, 2024 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Sep 19, 2024 | Sep 18, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 6, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Aug 27, 2024 | Aug 23, 2024 |
| 144 | Notice of proposed sale | Aug 23, 2024 | — |
| 10-Q | Quarterly report | Jul 31, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 4 | Insider transaction | Jul 12, 2024 | Jul 11, 2024 |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
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Company profile
- Industry
- Household Audio & Video Equipment (SIC 3651)
- Listed as
- KN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Itasca, IL
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1587523
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.