Guerrilla RF, Inc. SEC filings GUER
Guerrilla RF, Inc. has 310 filings in SEC EDGAR's recent list, going back to Jan 4, 2021. Its latest annual report, Form 10-K, was filed on Mar 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 2, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 6, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 6, 2026 | — |
| 4 | Insider transaction | Nov 6, 2026 | Nov 4, 2026 |
| 4 | Insider transaction | Nov 6, 2026 | Nov 4, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Aug 28, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Aug 28, 2026 |
| 4 | Insider transaction | Aug 28, 2026 | Aug 26, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2026 | — |
| 4 | Insider transaction | Jun 23, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 13, 2026 |
| 5 | Annual insider ownership | Feb 13, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 17, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 25, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 21, 2025 | — |
| 3 | Initial insider ownership | Jan 17, 2025 | Jan 8, 2025 |
| 4 | Insider transaction | Dec 11, 2024 | Nov 26, 2024 |
| 4 | Insider transaction | Oct 28, 2024 | Oct 25, 2024 |
| 4 | Insider transaction | Oct 28, 2024 | Oct 25, 2024 |
| 4 | Insider transaction | Aug 28, 2024 | Aug 27, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 14, 2024 | — |
| SC 13D | Ownership over 5% (active) | Aug 12, 2024 | — |
| 3 | Initial insider ownership | Aug 12, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | May 31, 2024 | May 29, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 20, 2024 |
| SC 13G | Ownership over 5% (passive) | Apr 16, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 1, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 1, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 1, 2024 | — |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 1, 2024 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 1, 2024 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 1, 2024 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 1, 2024 | Apr 5, 2023 |
| 4 | Insider transaction | Apr 1, 2024 | Apr 5, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 15, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 15, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 15, 2023 | — |
| SC 13D | Ownership over 5% (active) | Sep 15, 2023 | — |
| 3 | Initial insider ownership | Sep 15, 2023 | Sep 6, 2023 |
| 4 | Insider transaction | Sep 8, 2023 | Sep 5, 2023 |
| 4 | Insider transaction | Aug 28, 2023 | Aug 24, 2023 |
| 4 | Insider transaction | Aug 18, 2023 | Aug 17, 2023 |
| 4 | Insider transaction | Jun 1, 2023 | May 30, 2023 |
| 4 | Insider transaction | May 30, 2023 | May 25, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 16, 2023 | May 15, 2023 |
| 3 | Initial insider ownership | Feb 22, 2023 | Feb 20, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 4 | Insider transaction | Jan 23, 2023 | Jan 20, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Dec 30, 2022 |
| 4 | Insider transaction | Jan 4, 2023 | Dec 30, 2022 |
| 4 | Insider transaction | Nov 17, 2022 | Nov 15, 2022 |
| 4 | Insider transaction | Nov 17, 2022 | Nov 15, 2022 |
| 4 | Insider transaction | Nov 17, 2022 | Nov 15, 2022 |
| 4 | Insider transaction | Oct 11, 2022 | Oct 6, 2022 |
| 3 | Initial insider ownership | Sep 8, 2022 | Sep 5, 2022 |
| 4 | Insider transaction | Aug 31, 2022 | Aug 31, 2022 |
| 4 | Insider transaction | Jun 7, 2022 | Jun 3, 2022 |
| 4 | Insider transaction | Jun 7, 2022 | Jun 3, 2022 |
| 4 | Insider transaction | Jun 7, 2022 | Jun 3, 2022 |
| 4 | Insider transaction | Jun 7, 2022 | Jun 3, 2022 |
| 4 | Insider transaction | Jun 7, 2022 | Jun 3, 2022 |
| 4 | Insider transaction | Apr 12, 2022 | Apr 8, 2022 |
| 4 | Insider transaction | Apr 12, 2022 | Apr 8, 2022 |
| 4 | Insider transaction | Apr 12, 2022 | Apr 8, 2022 |
| 4 | Insider transaction | Apr 12, 2022 | Apr 8, 2022 |
| 4 | Insider transaction | Mar 29, 2022 | Mar 2, 2022 |
| 4 | Insider transaction | Mar 25, 2022 | Feb 21, 2022 |
| 3 | Initial insider ownership | Feb 4, 2022 | Jan 24, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 3 | Initial insider ownership | Dec 8, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Nov 29, 2021 | Oct 22, 2021 |
| SC 13G | Ownership over 5% (passive) | Nov 23, 2021 | — |
| 3 | Initial insider ownership | Nov 22, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Nov 22, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Nov 22, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Nov 16, 2021 | Nov 12, 2021 |
| 3 | Initial insider ownership | Nov 10, 2021 | Oct 22, 2021 |
| SC 13D | Ownership over 5% (active) | Nov 10, 2021 | — |
| SC 13D | Ownership over 5% (active) | Nov 5, 2021 | — |
| 3 | Initial insider ownership | Nov 5, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Nov 4, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Nov 4, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Nov 4, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Nov 4, 2021 | Oct 22, 2021 |
| SC 13D | Ownership over 5% (active) | Nov 4, 2021 | — |
| 4 | Insider transaction | Oct 25, 2021 | Oct 21, 2021 |
| 3 | Initial insider ownership | Jul 14, 2021 | Mar 5, 2021 |
| 3 | Initial insider ownership | Jul 14, 2021 | Mar 5, 2021 |
Showing 141 filings. 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
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- GUER (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Greensboro, NC
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1832487
- Former names
- Laffin Acquisition Corp. (until Oct 27, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.