AmpliTech Group, Inc. SEC filings AMPG
AmpliTech Group, Inc. has 404 filings in SEC EDGAR's recent list, going back to Apr 19, 2011. 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 Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 17, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 7, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 6, 2026 | — |
| 4 | Insider transaction | Aug 21, 2026 | Aug 20, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Jul 24, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Jul 24, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Jul 24, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 23, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 144 | Notice of proposed sale | Jun 23, 2026 | — |
| 144 | Notice of proposed sale | Jun 23, 2026 | — |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 144 | Notice of proposed sale | May 28, 2026 | — |
| 4 | Insider transaction | May 26, 2026 | May 22, 2026 |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 30, 2026 | — |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 20, 2025 |
| 4 | Insider transaction | Apr 9, 2025 | Apr 8, 2025 |
| 3 | Initial insider ownership | Jan 24, 2025 | Jan 17, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2025 | — |
| 4 | Insider transaction | Dec 23, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 7, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 2, 2024 |
| SC 13G | Ownership over 5% (passive) | Sep 12, 2024 | — |
| 4 | Insider transaction | Sep 3, 2024 | Aug 30, 2024 |
| 4 | Insider transaction | Aug 30, 2024 | Aug 29, 2024 |
| 4 | Insider transaction | Aug 21, 2024 | Aug 20, 2024 |
| 4 | Insider transaction | Aug 21, 2024 | Aug 19, 2024 |
| 4 | Insider transaction | Aug 21, 2024 | Aug 21, 2024 |
| 4 | Insider transaction | Jun 5, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 20, 2023 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 20, 2023 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 20, 2023 |
| 4 | Insider transaction | Nov 17, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Sep 29, 2023 | Sep 27, 2023 |
| 4 | Insider transaction | Aug 22, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 21, 2023 | Aug 18, 2023 |
| 4 | Insider transaction | Aug 21, 2023 | Aug 18, 2023 |
| 4 | Insider transaction | Aug 21, 2023 | Aug 18, 2023 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 22, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Sep 30, 2022 | Sep 29, 2022 |
| 4 | Insider transaction | Sep 20, 2022 | Sep 19, 2022 |
| 4 | Insider transaction | Aug 25, 2022 | Aug 22, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 14, 2022 |
| 4 | Insider transaction | Jun 15, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 24, 2022 |
| 4 | Insider transaction | Apr 27, 2022 | Apr 26, 2022 |
| 4 | Insider transaction | Apr 18, 2022 | Apr 18, 2022 |
| 4 | Insider transaction | Apr 15, 2022 | Apr 12, 2022 |
| 4 | Insider transaction | Apr 13, 2022 | Apr 6, 2022 |
| 4 | Insider transaction | Apr 11, 2022 | Apr 8, 2022 |
| 4 | Insider transaction | Apr 8, 2022 | Apr 7, 2022 |
| 3 | Initial insider ownership | Feb 23, 2022 | Feb 21, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| 4 | Insider transaction | Jan 25, 2022 | Jan 24, 2022 |
| 4 | Insider transaction | Dec 30, 2021 | Dec 29, 2021 |
| 4 | Insider transaction | Dec 2, 2021 | Dec 1, 2021 |
| 4 | Insider transaction | Dec 1, 2021 | Nov 29, 2021 |
| 4 | Insider transaction | Dec 1, 2021 | Nov 29, 2021 |
| 4 | Insider transaction | Dec 1, 2021 | Nov 29, 2021 |
| 4 | Insider transaction | Sep 16, 2021 | Sep 15, 2021 |
| 4 | Insider transaction | Sep 9, 2021 | Sep 7, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jul 2, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jun 21, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | May 25, 2021 | May 21, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| SC 13G | Ownership over 5% (passive) | Apr 26, 2021 | — |
| 4 | Insider transaction | Apr 23, 2021 | Apr 16, 2021 |
| 3 | Initial insider ownership | Apr 23, 2021 | Jan 20, 2021 |
| 3 | Initial insider ownership | Apr 19, 2021 | Jan 20, 2020 |
| 3 | Initial insider ownership | Mar 30, 2021 | Jan 20, 2021 |
| 3 | Initial insider ownership | Jul 28, 2020 | Jul 10, 2020 |
| SC 13D | Ownership over 5% (active) | Jul 28, 2020 | — |
| SC 13D | Ownership over 5% (active) | Jul 14, 2020 | — |
| 3 | Initial insider ownership | Jul 13, 2020 | Jul 1, 2020 |
| 144 | Notice of proposed sale | Jan 25, 2019 | — |
| 144 | Notice of proposed sale | Oct 19, 2018 | — |
| 144 | Notice of proposed sale | Jul 25, 2018 | — |
| 144 | Notice of proposed sale | Apr 23, 2018 | — |
| 4 | Insider transaction | Feb 7, 2018 | Jan 8, 2018 |
| 144 | Notice of proposed sale | Jan 8, 2018 | — |
| 4 | Insider transaction | Oct 24, 2017 | Sep 29, 2017 |
| 144 | Notice of proposed sale | Oct 2, 2017 | — |
| 4/A | Form 4 a | Jan 4, 2016 | Dec 29, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 31, 2015 | — |
| 4 | Insider transaction | Dec 31, 2015 | Dec 29, 2015 |
| SC 13D | Ownership over 5% (active) | Dec 30, 2014 | — |
| 3 | Initial insider ownership | Dec 30, 2014 | Aug 13, 2012 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 22, 2014 | — |
| 4 | Insider transaction | Aug 21, 2014 | Aug 15, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 30, 2014 | — |
| 3 | Initial insider ownership | Jul 23, 2014 | Jul 10, 2014 |
| SC 13D | Ownership over 5% (active) | Jul 23, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Dec 24, 2013 | — |
| SC 13D | Ownership over 5% (active) | Oct 2, 2013 | — |
Showing 123 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Communications Equipment, NEC (SIC 3669)
- Listed as
- AMPG (Nasdaq), AMPGZ (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- NV
- Headquarters
- Hauppauge, NY
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1518461
- Former names
- BAYVIEW ACQUISITION CORP (until Jul 20, 2012)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.