Atomera Inc SEC filings ATOM
Atomera Inc has 528 filings in SEC EDGAR's recent list, going back to Dec 3, 2007. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 3, 2026 | Oct 1, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 144 | Notice of proposed sale | Oct 1, 2026 | — |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 144 | Notice of proposed sale | Sep 2, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Aug 3, 2026 |
| 144 | Notice of proposed sale | Aug 3, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 27, 2026 | — |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 144 | Notice of proposed sale | Jun 15, 2026 | — |
| 144 | Notice of proposed sale | Jun 15, 2026 | — |
| 144 | Notice of proposed sale | Jun 15, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 144 | Notice of proposed sale | Jun 9, 2026 | — |
| 144 | Notice of proposed sale | Jun 8, 2026 | — |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 2, 2026 | — |
| 4 | Insider transaction | Feb 23, 2026 | Feb 20, 2026 |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| 144 | Notice of proposed sale | Dec 1, 2025 | — |
| 144 | Notice of proposed sale | Dec 1, 2025 | — |
| 144 | Notice of proposed sale | Dec 1, 2025 | — |
| 144 | Notice of proposed sale | Sep 3, 2025 | — |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 144 | Notice of proposed sale | Jun 12, 2025 | — |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 4 | Insider transaction | Jun 4, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 4, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 4, 2025 | Jun 2, 2025 |
| 144 | Notice of proposed sale | Jun 3, 2025 | — |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 16, 2025 | May 15, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 3 | Initial insider ownership | Jan 31, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Dec 2, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 7, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 8, 2024 | — |
| 4 | Insider transaction | Jun 5, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 5, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 5, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 29, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 21, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| 4 | Insider transaction | Dec 5, 2023 | Dec 1, 2023 |
| 4 | Insider transaction | Sep 18, 2023 | Sep 15, 2023 |
| 4 | Insider transaction | Sep 5, 2023 | Sep 1, 2023 |
| 4 | Insider transaction | Sep 5, 2023 | Sep 1, 2023 |
| 4 | Insider transaction | Sep 5, 2023 | Sep 1, 2023 |
| 4 | Insider transaction | Sep 5, 2023 | Sep 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Jun 2, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 23, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 23, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 23, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 23, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2023 | — |
| 4 | Insider transaction | Dec 2, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Dec 2, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Dec 2, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Dec 2, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Sep 2, 2022 | Sep 1, 2022 |
| 4 | Insider transaction | Sep 2, 2022 | Sep 1, 2022 |
| 4 | Insider transaction | Sep 2, 2022 | Sep 1, 2022 |
| 4 | Insider transaction | Sep 2, 2022 | Sep 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Jun 3, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | May 9, 2022 | May 5, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 23, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 23, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 23, 2022 |
| 4 | Insider transaction | Feb 25, 2022 | Feb 23, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| 3 | Initial insider ownership | Jan 13, 2022 | Dec 30, 2021 |
| 4 | Insider transaction | Dec 3, 2021 | Dec 1, 2021 |
| 4 | Insider transaction | Dec 3, 2021 | Dec 1, 2021 |
| 4 | Insider transaction | Dec 3, 2021 | Dec 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Sep 3, 2021 | Sep 1, 2021 |
| 3 | Initial insider ownership | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | Jun 3, 2021 | Jun 1, 2021 |
| 4 | Insider transaction | May 12, 2021 | May 12, 2021 |
| 4 | Insider transaction | May 12, 2021 | May 12, 2021 |
| 4 | Insider transaction | May 12, 2021 | May 12, 2021 |
| 4 | Insider transaction | May 12, 2021 | May 12, 2021 |
| 3 | Initial insider ownership | Apr 23, 2021 | Apr 12, 2021 |
| 4 | Insider transaction | Mar 5, 2021 | Mar 4, 2021 |
| 4 | Insider transaction | Mar 5, 2021 | Mar 4, 2021 |
| 4 | Insider transaction | Mar 5, 2021 | Mar 4, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 2, 2021 | — |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Dec 3, 2020 | Dec 1, 2020 |
| 4 | Insider transaction | Sep 3, 2020 | Sep 1, 2020 |
| 4 | Insider transaction | Sep 3, 2020 | Sep 1, 2020 |
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
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- ATOM (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Los Gatos, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1420520
- Former names
- MEARS TECHNOLOGIES INC (until Dec 21, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.