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 |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 19, 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 |
| 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 | — |
| 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 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 19, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 13, 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 |
| 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 | — |
| 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 |
| 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 |
| 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 |
| 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 |
| 4 | Insider transaction | May 10, 2024 | May 10, 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 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 30, 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 | — |
| 4 | Insider transaction | Feb 7, 2023 | Feb 7, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 20, 2023 | — |
| 4 | Insider transaction | Jan 4, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Jan 4, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Jan 4, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| SC 13G | Ownership over 5% (passive) | Sep 8, 2022 | — |
| 4 | Insider transaction | Aug 31, 2022 | Aug 31, 2022 |
| 4 | Insider transaction | Aug 29, 2022 | Aug 26, 2022 |
| 4 | Insider transaction | Aug 24, 2022 | Aug 21, 2022 |
| 4 | Insider transaction | Aug 24, 2022 | Aug 21, 2022 |
| 4 | Insider transaction | Aug 24, 2022 | Aug 21, 2022 |
| 4 | Insider transaction | Aug 22, 2022 | Aug 18, 2022 |
| 4 | Insider transaction | Aug 16, 2022 | Aug 12, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Aug 8, 2022 | Aug 4, 2022 |
| 4 | Insider transaction | Aug 8, 2022 | Aug 4, 2022 |
| 4 | Insider transaction | Aug 8, 2022 | Aug 4, 2022 |
| 4 | Insider transaction | Aug 4, 2022 | Aug 3, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | Jul 5, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | May 31, 2022 | May 25, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 25, 2022 |
| 4 | Insider transaction | Feb 10, 2022 | Feb 9, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2022 | — |
| 4/A | Primary document | Jan 3, 2022 | Dec 31, 2021 |
| 4/A | Primary document | Jan 3, 2022 | Dec 31, 2021 |
| 4/A | Primary document | Jan 3, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Jan 3, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Jan 3, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Jan 3, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Dec 20, 2021 | Dec 3, 2021 |
| 3 | Initial insider ownership | Dec 20, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Dec 9, 2021 | Dec 3, 2021 |
| 3 | Initial insider ownership | Dec 9, 2021 | Dec 3, 2021 |
| 4 | Insider transaction | Nov 24, 2021 | Nov 22, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Nov 15, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 12, 2021 | Nov 10, 2021 |
| 4 | Insider transaction | Aug 25, 2021 | Aug 24, 2021 |
| 4 | Insider transaction | Aug 23, 2021 | Aug 21, 2021 |
| 4 | Insider transaction | Aug 23, 2021 | Aug 21, 2021 |
| 4 | Insider transaction | Aug 23, 2021 | Aug 21, 2021 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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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
- Ciena Corp CIEN
- Fabrinet FN
- ADTRAN Holdings, Inc. ADTN
- Audiocodes Ltd AUDC
- Franklin Wireless Corp FKWL
- Voip-pal.com Inc VPLM
- Clearone Inc CLRO
- DNA X, Inc. SONM
Source: SEC EDGAR filings. This is company-reported data, not investment advice.