OPY - CIK 0000791963
OPPENHEIMER HOLDINGS INC has filed 958 documents with the SEC between 1996 and 2026. The most frequent type is insider trade (354 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 |
|---|---|---|---|
| Insider trade | 4 | 2010-02-09 | 2010-02-05 |
| Major company event | 8-K | 2010-02-05 | 2010-02-05 |
| Insider trade | 4 | 2010-01-04 | 2010-01-01 |
| Insider trade | 4 | 2009-12-23 | 2009-12-23 |
| Insider trade | 4 | 2009-12-21 | 2009-12-21 |
| SEC correspondence | UPLOAD | 2009-11-25 | - |
| Insider trade | 4 | 2009-11-19 | 2009-11-18 |
| Quarterly report | 10-Q | 2009-11-05 | 2009-09-30 |
| Company correspondence | CORRESP | 2009-10-06 | - |
| SEC correspondence | UPLOAD | 2009-09-28 | - |
| Insider trade | 4 | 2009-08-12 | 2009-08-11 |
| Quarterly report | 10-Q | 2009-08-06 | 2009-06-30 |
| Passive ownership stake (update) | SC 13G/A | 2009-07-22 | - |
| Employee plan annual report | 11-K | 2009-06-29 | 2008-12-31 |
| Insider trade | 4 | 2009-06-18 | 2009-05-17 |
| Major company event | 8-K | 2009-05-11 | 2009-05-11 |
| Quarterly report | 10-Q | 2009-05-07 | 2009-03-31 |
| Proxy materials | DEFA14A | 2009-04-30 | - |
| Annual report to shareholders | ARS | 2009-04-02 | 2008-12-31 |
| EFFECT | - | 2009-04-02 | - |
| 424B3 | - | 2009-04-02 | - |
| S-4/A | - | 2009-04-01 | - |
| S-4 | - | 2009-03-13 | - |
| Major company event | 8-K | 2009-03-13 | 2009-03-13 |
| Major company event (amended) | 8-K/A | 2009-03-11 | 2009-03-10 |
| Major company event | 8-K | 2009-03-11 | 2009-03-10 |
| Employee stock plan | S-8 | 2009-03-04 | - |
| Annual report | 10-K | 2009-03-03 | 2008-12-31 |
| Passive ownership stake | SC 13G | 2009-02-17 | - |
| SEC correspondence | UPLOAD | 2009-02-10 | - |
| SEC correspondence | UPLOAD | 2009-02-10 | - |
| Company correspondence | CORRESP | 2009-02-03 | - |
| Passive ownership stake | SC 13G | 2009-01-20 | - |
| Company correspondence | CORRESP | 2008-12-18 | - |
| Major company event | 8-K | 2008-12-16 | 2008-12-16 |
| Quarterly report (amended) | 10-Q/A | 2008-12-10 | 2008-06-30 |
| SEC correspondence | UPLOAD | 2008-12-01 | - |
| Major company event | 8-K | 2008-11-19 | 2008-11-18 |
| Quarterly report | 10-Q | 2008-11-07 | 2008-09-30 |
| Activist ownership stake | SC 13D | 2008-09-24 | - |
| Insider trade | 4 | 2008-09-12 | 2008-09-12 |
| Quarterly report | 10-Q | 2008-08-06 | 2008-06-30 |
| New insider ownership | 3 | 2008-07-03 | 2008-05-05 |
| Insider trade | 4 | 2008-07-03 | 2008-01-04 |
| Insider trade | 4 | 2008-07-03 | 2008-01-29 |
| Insider trade | 4 | 2008-07-03 | 2008-01-29 |
| Insider trade | 4 | 2008-06-27 | 2008-06-27 |
| New insider ownership | 3 | 2008-06-27 | 2008-05-05 |
| Insider trade | 4 | 2008-06-27 | 2008-06-26 |
| Employee plan annual report | 11-K | 2008-06-27 | 2007-12-31 |