RIO - CIK 0000863064
RIO TINTO PLC has filed 997 documents with the SEC between 2008 and 2026. The most frequent type is 6-k (429 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Activist ownership stake (update) | SC 13D/A | 2010-09-13 | - |
| Company correspondence | CORRESP | 2010-09-08 | - |
| 6-K | - | 2010-09-02 | 2010-09-02 |
| SEC correspondence | UPLOAD | 2010-08-31 | - |
| 6-K | - | 2010-08-05 | 2010-08-05 |
| Company correspondence | CORRESP | 2010-08-03 | - |
| SEC correspondence | UPLOAD | 2010-07-28 | - |
| 6-K | - | 2010-07-12 | 2010-06-30 |
| Activist ownership stake (update) | SC 13D/A | 2010-07-07 | - |
| Company correspondence | CORRESP | 2010-07-06 | - |
| Employee plan annual report | 11-K | 2010-06-29 | 2009-12-31 |
| Employee plan annual report | 11-K | 2010-06-29 | 2009-12-31 |
| Employee plan annual report | 11-K | 2010-06-29 | 2009-12-31 |
| 6-K | - | 2010-06-02 | 2010-06-02 |
| 20-F | - | 2010-05-27 | 2009-12-31 |
| 40-APP | - | 2010-05-27 | - |
| 6-K | - | 2010-05-05 | 2010-05-05 |
| EFFECT | - | 2010-04-29 | - |
| 6-K | - | 2010-04-06 | 2010-04-06 |
| F-6 | - | 2010-03-31 | - |
| 6-K | - | 2010-03-16 | 2010-03-16 |
| Activist ownership stake (update) | SC 13D/A | 2010-03-04 | - |
| 6-K | - | 2010-03-04 | 2010-03-03 |
| 6-K | - | 2010-02-05 | 2010-02-05 |
| Passive ownership stake | SC 13G | 2010-02-05 | - |
| Passive ownership stake | SC 13G | 2010-01-29 | - |
| 6-K | - | 2010-01-05 | 2010-01-05 |
| 6-K | - | 2009-12-04 | 2009-12-04 |
| Insider trade | 4 | 2009-11-20 | 2009-11-19 |
| New insider ownership | 3 | 2009-11-19 | 2009-11-19 |
| 6-K | - | 2009-11-04 | 2009-11-04 |
| Activist ownership stake | SC 13D | 2009-10-30 | - |
| 6-K | - | 2009-10-06 | 2009-09-30 |
| 6-K | - | 2009-09-03 | 2009-09-03 |
| 6-K | - | 2009-09-03 | 2009-09-03 |
| 6-K | - | 2009-08-04 | 2009-08-04 |
| 6-K | - | 2009-07-06 | 2009-07-06 |
| 6-K | - | 2009-07-01 | 2009-07-01 |
| Employee plan annual report | 11-K | 2009-06-29 | 2008-12-31 |
| Employee plan annual report | 11-K | 2009-06-29 | 2008-12-31 |
| Employee plan annual report | 11-K | 2009-06-26 | 2008-12-31 |
| 6-K | - | 2009-06-09 | 2009-06-09 |
| Activist ownership stake (update) | SC 13D/A | 2009-06-05 | - |
| 6-K | - | 2009-06-04 | 2009-06-04 |
| 6-K | - | 2009-05-18 | 2009-05-18 |
| 8-A12B | - | 2009-04-23 | - |
| Prospectus supplement | 424B5 | 2009-04-16 | - |
| Free writing prospectus | FWP | 2009-04-15 | - |
| 424B3 | - | 2009-04-14 | - |
| POSASR | - | 2009-04-14 | - |