Company · CIK 1420520 # Atomera Inc | CIK | [1420520](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001420520) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 3674 — Semiconductors & Related Devices | | Incorporated in | DE | | Business address | CA | | Listed | ATOM (Nasdaq) | | First annual or quarterly report | 2016-09-19 | ## Offerings 5 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-287603 | Shelf Effective | 2025-05-27 | 2026-02-24 | 3 | | 333-262750 | Shelf Effective | 2022-02-15 | 2022-05-31 | 3 | | 333-234382 | Shelf Effective | 2019-10-30 | 2020-09-02 | 5 | | 333-219782 | Shelf Effective | 2017-08-08 | 2019-05-30 | 5 | | 333-212353 | IPO Final prospectus | 2016-06-30 | 2016-08-08 | 5 | ## Filings 22 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-02-24 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316826001271/0001683168-26-001271-index.htm) Shelf takedown | 333-287603 | 0001683168-26-001271 | | 2025-06-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1420520/999999999525001816/9999999995-25-001816-index.htm) Declared effective | 333-287603 | 9999999995-25-001816 | | 2025-05-27 | [S-3](https://www.sec.gov/Archives/edgar/data/1420520/000168316825004034/0001683168-25-004034-index.htm) Shelf registered | 333-287603 | 0001683168-25-004034 | | 2022-05-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316822004086/0001683168-22-004086-index.htm) Shelf takedown | 333-262750 | 0001683168-22-004086 | | 2022-03-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1420520/999999999522000673/9999999995-22-000673-index.htm) Declared effective | 333-262750 | 9999999995-22-000673 | | 2022-02-15 | [S-3](https://www.sec.gov/Archives/edgar/data/1420520/000168316822001034/0001683168-22-001034-index.htm) Shelf registered | 333-262750 | 0001683168-22-001034 | | 2020-09-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316820002971/0001683168-20-002971-index.htm) Shelf takedown | 333-234382 | 0001683168-20-002971 | | 2020-05-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316820001529/0001683168-20-001529-index.htm) Shelf takedown | 333-234382 | 0001683168-20-001529 | | 2020-05-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316820001515/0001683168-20-001515-index.htm) Shelf takedown | 333-234382 | 0001683168-20-001515 | | 2019-11-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1420520/999999999519002588/9999999995-19-002588-index.htm) Declared effective | 333-234382 | 9999999995-19-002588 | | 2019-10-30 | [S-3](https://www.sec.gov/Archives/edgar/data/1420520/000168316819003396/0001683168-19-003396-index.htm) Shelf registered | 333-234382 | 0001683168-19-003396 | | 2019-05-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316819001751/0001683168-19-001751-index.htm) Shelf takedown | 333-219782 | 0001683168-19-001751 | | 2018-10-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316818003026/0001683168-18-003026-index.htm) Shelf takedown | 333-219782 | 0001683168-18-003026 | | 2018-10-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1420520/000168316818003009/0001683168-18-003009-index.htm) Shelf takedown | 333-219782 | 0001683168-18-003009 | | 2017-10-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1420520/999999999517002679/9999999995-17-002679-index.htm) Declared effective | 333-219782 | 9999999995-17-002679 | | 2017-08-08 | [S-3](https://www.sec.gov/Archives/edgar/data/1420520/000168316817001983/0001683168-17-001983-index.htm) Shelf registered | 333-219782 | 0001683168-17-001983 | | 2016-08-08 | [424B4](https://www.sec.gov/Archives/edgar/data/1420520/000161577416006608/0001615774-16-006608-index.htm) Final prospectus | 333-212353 | 0001615774-16-006608 | | 2016-08-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1420520/999999999516005350/9999999995-16-005350-index.htm) Declared effective | 333-212353 | 9999999995-16-005350 | | 2016-08-03 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1420520/000161577416006568/0001615774-16-006568-index.htm) Amendment | 333-212353 | 0001615774-16-006568 | | 2016-07-29 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1420520/000161577416006482/0001615774-16-006482-index.htm) Amendment | 333-212353 | 0001615774-16-006482 | | 2016-06-30 | [S-1](https://www.sec.gov/Archives/edgar/data/1420520/000161577416006148/0001615774-16-006148-index.htm) Registration filed | 333-212353 | 0001615774-16-006148 | | 2015-12-21 | [DRS](https://www.sec.gov/Archives/edgar/data/1420520/000161577415003687/0001615774-15-003687-index.htm) Draft made public | 377-01235 | 0001615774-15-003687 | [All filings of this company](https://equitycapital.markets/filings?cik=1420520) · [CSV](https://equitycapital.markets/filings.csv?cik=1420520) --- Source page: https://equitycapital.markets/company/1420520 · Data: U.S. SEC EDGAR · CC BY 4.0