Clearfield, Inc. SEC filings CLFD
Clearfield, Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Aug 28, 2007. Its latest annual report, Form 10-K, was filed on Nov 25, 2025 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 20, 2026 (officer or director change, regulation fd disclosure). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 20, 2026 | Oct 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 19, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Material agreement
|
Jul 28, 2026 | Jul 24, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 27, 2026 | — |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 144 | Notice of proposed sale | Jun 9, 2026 | — |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 4 | Insider transaction | May 28, 2026 | May 27, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2026 | — |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| 4 | Insider transaction | May 8, 2026 | May 6, 2026 |
| 144 | Notice of proposed sale | May 8, 2026 | — |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| 8-K |
Current report
Material agreement
|
Apr 30, 2026 | Apr 25, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Feb 27, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 19, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 10-Q | Quarterly report | Feb 9, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2026 | Feb 4, 2026 |
| DEFA14A | Additional proxy material | Jan 15, 2026 | — |
| DEF 14A | Proxy statement | Jan 15, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Dec 18, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 11, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 12, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 10, 2025 |
| 3 | Initial insider ownership | Dec 11, 2025 | Dec 10, 2025 |
| 3 | Initial insider ownership | Dec 11, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Nov 28, 2025 |
| 10-K | Annual report | Nov 25, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 25, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 20, 2025 |
| 4/A | Primary document | Nov 20, 2025 | Nov 16, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 16, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 16, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 16, 2025 |
| 8-K |
Current report
Material agreement
|
Nov 17, 2025 | Nov 11, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 29, 2025 | Oct 28, 2025 |
| 4 | Insider transaction | Sep 22, 2025 | Sep 18, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Aug 12, 2025 | Aug 8, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 13, 2025 | — |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Material agreement
|
Apr 25, 2025 | Apr 25, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 144 | Notice of proposed sale | Feb 19, 2025 | — |
| 144 | Notice of proposed sale | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 144 | Notice of proposed sale | Feb 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 10-Q | Quarterly report | Feb 7, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2025 | Feb 6, 2025 |
| DEF 14A | Proxy statement | Jan 16, 2025 | Feb 27, 2025 |
| DEFA14A | Additional proxy material | Jan 16, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 11, 2024 |
| 3 | Initial insider ownership | Dec 11, 2024 | Dec 11, 2024 |
| 3 | Initial insider ownership | Dec 11, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 26, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 26, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 26, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 26, 2024 | Nov 25, 2024 |
| 8-K |
Current report
Auditor change
|
Nov 21, 2024 | Nov 18, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 16, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 16, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 16, 2024 |
| 10-K | Annual report | Nov 15, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Nov 7, 2024 | Nov 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 4, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Aug 23, 2024 | Aug 21, 2024 |
| 4 | Insider transaction | Aug 23, 2024 | Aug 21, 2024 |
| 4 | Insider transaction | Aug 23, 2024 | Aug 21, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 7, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 22, 2024 | — |
| 4 | Insider transaction | May 10, 2024 | May 10, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Material agreement
|
Apr 9, 2024 | Apr 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 9, 2024 | — |
| 4 | Insider transaction | Mar 6, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Feb 26, 2024 | Feb 22, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2024 | — |
| 10-Q | Quarterly report | Feb 5, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2024 | Feb 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 30, 2024 | — |
| DEF 14A | Proxy statement | Jan 11, 2024 | Feb 22, 2024 |
| DEFA14A | Additional proxy material | Jan 11, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 8, 2024 | — |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Dec 13, 2023 | Dec 11, 2023 |
| 10-K | Annual report | Nov 29, 2023 | Sep 30, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 14, 2023 | Nov 10, 2023 |
| 8-K |
Current report
Other events
|
Nov 13, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Officer or director change
|
Oct 4, 2023 | Sep 28, 2023 |
| 4 | Insider transaction | Aug 23, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 23, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 23, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 9, 2023 | Aug 8, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K/A |
Amended current report
Results of operations
|
Aug 4, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 4 | Insider transaction | Jul 7, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 7, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jul 7, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | May 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2023 | — |
| 8-K |
Current report
Results of operations
|
May 8, 2023 | May 4, 2023 |
| 10-Q | Quarterly report | May 8, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 27, 2023 | Feb 24, 2023 |
| 8-K |
Current report
Officer or director change
|
Feb 24, 2023 | Feb 22, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Feb 24, 2023 | Feb 23, 2023 |
| S-8 | Employee stock plan registration | Feb 23, 2023 | — |
| 4 | Insider transaction | Feb 14, 2023 | Feb 13, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2023 | — |
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Company profile
- Industry
- Telephone & Telegraph Apparatus (SIC 3661)
- Listed as
- CLFD (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- MN
- Headquarters
- Brooklyn Park, MN
- SEC filer status
- Accelerated filer
- SEC CIK
- 796505
- Former names
- APA Enterprises, Inc. (until Dec 21, 2007); APA OPTICS INC /MN/ (until Nov 5, 2004)
Other Telephone & Telegraph Apparatus companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.