Rubicon Technology, Inc. — All Filings
666 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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25
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8-A12B
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-K | ANNUAL REPORT | 0001213900-22-015233 | Mar 28, 2022 | Dec 31, 2021 |
| UPLOAD | — | 0000000000-22-002290 | Mar 1, 2022 | — |
| DFAN14A | DFAN14A | 0001104659-22-026667 | Feb 24, 2022 | — |
| 8-K | CURRENT REPORT | 0001213900-22-006136 | Feb 9, 2022 | Feb 7, 2022 |
| SC 13G/A | SC 13G/A | 0001104659-22-012755 | Feb 7, 2022 | — |
| 4 | — | 0001213900-21-067936 | Dec 29, 2021 | Dec 28, 2021 |
| 10-Q | QUARTERLY REPORT | 0001213900-21-059412 | Nov 15, 2021 | Sep 30, 2021 |
| 10-Q | QUARTERLY REPORT | 0001213900-21-042173 | Aug 13, 2021 | Jun 30, 2021 |
| 8-K | CURRENT REPORT | 0001213900-21-034696 | Jun 29, 2021 | Jun 24, 2021 |
| 4 | — | 0001213900-21-034537 | Jun 28, 2021 | Jun 23, 2021 |
| 4 | — | 0001213900-21-034538 | Jun 28, 2021 | Jun 23, 2021 |
| 4 | — | 0001213900-21-034539 | Jun 28, 2021 | Jun 23, 2021 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001213900-21-027500 | May 18, 2021 | Jun 24, 2021 |
| 10-Q | QUARTERLY REPORT | 0001213900-21-027094 | May 17, 2021 | Mar 31, 2021 |
| 10-K/A | AMENDMENT NO. 1 TO FORM 10-K | 0001213900-21-024510 | May 4, 2021 | Dec 31, 2020 |
| 8-K | CURRENT REPORT | 0001213900-21-022888 | Apr 26, 2021 | Apr 23, 2021 |
| 4 | OWNERSHIP DOCUMENT | 0001213900-21-020528 | Apr 7, 2021 | Apr 6, 2021 |
| 10-K | ANNUAL REPORT | 0001213900-21-017083 | Mar 23, 2021 | Dec 31, 2020 |
| 3 | — | 0001213900-21-016811 | Mar 22, 2021 | Mar 17, 2021 |
| 8-K | CURRENT REPORT | 0001213900-21-016810 | Mar 22, 2021 | Mar 17, 2021 |
| SC 13G | SCHEDULE 13G | 0001104659-21-016862 | Feb 10, 2021 | — |
| 8-A12B/A | FORM 8-A12B/A | 0001213900-20-044064 | Dec 22, 2020 | — |
| 8-K | CURRENT REPORT | 0001213900-20-043381 | Dec 18, 2020 | — |
| 8-K | CURRENT REPORT | 0001213900-20-042900 | Dec 16, 2020 | Dec 14, 2020 |
| 8-K | CURRENT REPORT | 0001213900-20-041793 | Dec 9, 2020 | — |
| 10-Q | QUARTERLY REPORT | 0001213900-20-036922 | Nov 13, 2020 | Sep 30, 2020 |
| 8-K | CURRENT REPORT | 0001213900-20-034799 | Nov 3, 2020 | — |
| 4 | — | 0001213900-20-032368 | Oct 20, 2020 | Oct 19, 2020 |
| 4 | — | 0001213900-20-026564 | Sep 15, 2020 | Jul 15, 2020 |
| 4 | — | 0001213900-20-026562 | Sep 15, 2020 | Jul 15, 2020 |
| 4 | — | 0001213900-20-026560 | Sep 15, 2020 | Jul 15, 2020 |
| SC 13D/A | AMENDMENT NO. 1 TO THE SCHEDULE 13D | 0000921895-20-002393 | Sep 14, 2020 | — |
| 3 | OWNERSHIP DOCUMENT | 0000921895-20-002398 | Sep 14, 2020 | May 14, 2020 |
| 10-Q | QUARTERLY REPORT | 0001213900-20-022073 | Aug 14, 2020 | Jun 30, 2020 |
| 8-K | CURRENT REPORT | 0001213900-20-017668 | Jul 16, 2020 | — |
| 8-K | CURRENT REPORT | 0001213900-20-015703 | Jun 24, 2020 | Jun 23, 2020 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001213900-20-014981 | Jun 15, 2020 | Jun 16, 2020 |
| PRE 14A | PRELIMINARY PROXY STATEMENT | 0001213900-20-013932 | Jun 2, 2020 | — |
| 10-Q | QUARTERLY REPORT | 0001213900-20-012279 | May 14, 2020 | Mar 31, 2020 |
| 10-K/A | AMENDMENT NO. 1 TO FORM 10-K | 0001213900-20-010434 | Apr 29, 2020 | Dec 31, 2019 |
| 10-K | ANNUAL REPORT | 0001213900-20-007034 | Mar 23, 2020 | Dec 31, 2019 |
| 8-K | CURRENT REPORT | 0001213900-20-006877 | Mar 19, 2020 | — |
| 8-K | CURRENT REPORT | 0001213900-20-004955 | Feb 28, 2020 | Feb 26, 2020 |
| SC 13G/A | SC13GA RUBICON DEC2019 | 0000936753-20-000043 | Feb 14, 2020 | — |
| 8-K | CURRENT REPORT | 0001213900-19-026519 | Dec 19, 2019 | — |
| 3 | — | 0001213900-19-023994 | Nov 19, 2019 | Nov 18, 2019 |
| 8-K | CURRENT REPORT | 0001213900-19-023881 | Nov 18, 2019 | — |
| 10-Q | QUARTERLY REPORT | 0001213900-19-023253 | Nov 14, 2019 | Sep 30, 2019 |
| 4 | — | 0001213900-19-019531 | Oct 2, 2019 | Sep 30, 2019 |
| 10-Q | QUARTERLY REPORT | 0001213900-19-015796 | Aug 14, 2019 | Jun 30, 2019 |