Ambiq Micro, Inc. SEC filings AMBQ
Ambiq Micro, Inc. has 187 filings in SEC EDGAR's recent list, going back to Sep 3, 2010. Its latest annual report, Form ARS, was filed on Apr 22, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 11, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 27, 2026 | — |
| 4 | Insider transaction | Oct 16, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 16, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 16, 2026 | Oct 14, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Oct 2, 2026 |
| 144 | Notice of proposed sale | Oct 5, 2026 | — |
| 144 | Notice of proposed sale | Oct 2, 2026 | — |
| 144 | Notice of proposed sale | Oct 2, 2026 | — |
| 144 | Notice of proposed sale | Oct 2, 2026 | — |
| 144 | Notice of proposed sale | Oct 2, 2026 | — |
| 4 | Insider transaction | Sep 17, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 11, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 15, 2026 | Sep 11, 2026 |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 4 | Insider transaction | Sep 9, 2026 | Sep 4, 2026 |
| 4 | Insider transaction | Sep 9, 2026 | Sep 4, 2026 |
| 144 | Notice of proposed sale | Sep 4, 2026 | — |
| 144 | Notice of proposed sale | Sep 4, 2026 | — |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| 144 | Notice of proposed sale | Sep 2, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 144 | Notice of proposed sale | Aug 31, 2026 | — |
| 4 | Insider transaction | Aug 28, 2026 | Aug 26, 2026 |
| 144 | Notice of proposed sale | Aug 27, 2026 | — |
| 144 | Notice of proposed sale | Aug 26, 2026 | — |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 27, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4/A | Filing | May 29, 2026 | Jul 29, 2025 |
| 3/A | Filing | May 29, 2026 | Jul 29, 2025 |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4/A | Filing | Apr 2, 2026 | Mar 6, 2026 |
| 4/A | Filing | Apr 2, 2026 | Mar 6, 2026 |
| 4/A | Filing | Apr 2, 2026 | Mar 6, 2026 |
| 4/A | Filing | Apr 2, 2026 | Mar 6, 2026 |
| 4/A | Filing | Apr 2, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Oct 7, 2025 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 26, 2026 |
| 3 | Initial insider ownership | Jan 8, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 3 | Initial insider ownership | Jan 7, 2026 | Jan 5, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 3, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 2, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 2, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 2, 2025 |
| 4 | Insider transaction | Oct 6, 2025 | Oct 2, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 31, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 31, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 29, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 29, 2025 |
| 4 | Insider transaction | Jul 31, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jul 29, 2025 |
Showing 92 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
- AMBQ (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Austin, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1500412
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.