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.

Atomera Inc SEC filings
Form Description Filed Period
4 Insider transaction Nov 3, 2026 Oct 1, 2026
144 Notice of proposed sale Nov 2, 2026 —
10-Q Quarterly report Oct 30, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 29, 2026 Oct 29, 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 —
10-Q Quarterly report Aug 6, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 4, 2026 Aug 4, 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 —
8-K Current report
Shareholder vote results
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
4 Insider transaction May 13, 2026 May 12, 2026
10-Q Quarterly report May 5, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 5, 2026 May 5, 2026
ARS Annual report to shareholders Mar 27, 2026 Dec 31, 2025
DEFA14A Additional proxy material Mar 27, 2026 —
DEF 14A Proxy statement Mar 27, 2026 May 12, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 26, 2026 —
PRE 14A Preliminary proxy statement Mar 17, 2026 May 12, 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 —
10-K Annual report Feb 24, 2026 Dec 31, 2025
424B5 Prospectus supplement Feb 24, 2026 —
8-K Current report
Material agreement, Regulation FD disclosure
Feb 24, 2026 Feb 23, 2026
4 Insider transaction Feb 23, 2026 Feb 20, 2026
8-K Current report
Other events
Feb 23, 2026 Feb 23, 2026
144 Notice of proposed sale Feb 20, 2026 —
8-K Current report
Results of operations
Feb 12, 2026 Feb 12, 2026
8-K Current report
Bylaw or fiscal year change
Feb 11, 2026 Feb 5, 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 —
10-Q Quarterly report Oct 29, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 28, 2025 Oct 28, 2025
8-K Current report
Regulation FD disclosure
Oct 21, 2025 Oct 21, 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 —
10-Q Quarterly report Aug 5, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 5, 2025 Aug 5, 2025
SCHEDULE 13G Ownership over 5% (passive) Jul 29, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Jul 17, 2025 —
S-8 Employee stock plan registration Jun 26, 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
EFFECT Filing Jun 3, 2025 —
144 Notice of proposed sale Jun 3, 2025 —
CORRESP Letter to the SEC May 30, 2025 —
UPLOAD Letter from the SEC May 30, 2025 —
S-3 Shelf registration May 27, 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
8-K Current report
Shareholder vote results
May 16, 2025 May 15, 2025
10-Q Quarterly report May 8, 2025 Mar 31, 2025
DEFA14A Additional proxy material May 7, 2025 —
8-K Current report
Results of operations
May 6, 2025 May 6, 2025
8-K Current report
Officer or director change
May 5, 2025 May 5, 2025
DEFA14A Additional proxy material Mar 28, 2025 —
8-K Current report
Officer or director change
Mar 24, 2025 Mar 24, 2025
ARS Annual report to shareholders Mar 24, 2025 Dec 31, 2024
DEFA14A Additional proxy material Mar 19, 2025 —
DEF 14A Proxy statement Mar 19, 2025 May 15, 2025
8-K Current report
Auditor change
Mar 19, 2025 Mar 18, 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 —
10-K Annual report Mar 4, 2025 Dec 31, 2024
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
8-K Current report
Results of operations
Feb 11, 2025 Feb 11, 2025
3 Initial insider ownership Jan 31, 2025 Jan 22, 2025
8-K Current report
Officer or director change
Jan 28, 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 —
10-Q Quarterly report Oct 29, 2024 Sep 30, 2024
8-K Current report
Results of operations
Oct 29, 2024 Oct 29, 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
10-Q Quarterly report Jul 30, 2024 Jun 30, 2024
8-K Current report
Results of operations
Jul 30, 2024 Jul 30, 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
8-K Current report
Shareholder vote results
May 2, 2024 May 1, 2024
10-Q Quarterly report Apr 30, 2024 Mar 31, 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
8-K Current report
Results of operations
Apr 25, 2024 Apr 25, 2024
8-K Current report
Officer or director change
Mar 11, 2024 Mar 11, 2024
ARS Annual report to shareholders Mar 11, 2024 Dec 31, 2023
DEFA14A Additional proxy material Mar 8, 2024 —
DEF 14A Proxy statement Mar 8, 2024 May 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 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
10-K Annual report Feb 15, 2024 Dec 31, 2023
SC 13G Ownership over 5% (passive) Feb 13, 2024 —
8-K Current report
Results of operations
Feb 13, 2024 Feb 13, 2024
SC 13G/A Amended ownership over 5% (passive) Jan 29, 2024 —
8-K Current report
Results of operations
Jan 10, 2024 Jan 10, 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
8-K Current report
Regulation FD disclosure
Nov 14, 2023 Nov 14, 2023
8-K Current report
Results of operations
Nov 1, 2023 Nov 1, 2023
10-Q Quarterly report Nov 1, 2023 Sep 30, 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
8-K Current report
Results of operations
Aug 2, 2023 Aug 2, 2023
10-Q Quarterly report Aug 2, 2023 Jun 30, 2023
S-8 Employee stock plan registration Jun 12, 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
8-K Current report
Shareholder vote results
May 5, 2023 May 4, 2023
4 Insider transaction May 5, 2023 May 4, 2023
10-Q Quarterly report Apr 26, 2023 Mar 31, 2023
8-K Current report
Results of operations
Apr 26, 2023 Apr 26, 2023
8-K Current report
Other events
Apr 26, 2023 Apr 26, 2023
DEFA14A Additional proxy material Apr 18, 2023 —
ARS Annual report to shareholders Mar 21, 2023 Dec 31, 2022

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.

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.