OPPENHEIMER HOLDINGS INC of NEW YORK, NY filed a DEF 14A with the SEC on 2024-03-15. Industry: Security Brokers, Dealers & Flotation Companies.
| Seq | Type | Description |
|---|---|---|
| 1 | DEF 14A | DEF 14A |
| 2 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA |
| 3 | EX-101.DEF | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE |
| 4 | EX-101.LAB | XBRL TAXONOMY EXTENSION LABEL LINKBASE |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | GRAPHIC | GRAPHIC |
| 11 | GRAPHIC | GRAPHIC |
| 12 | GRAPHIC | GRAPHIC |
| 13 | GRAPHIC | GRAPHIC |
| 24 | XML | EXTRACTED XBRL INSTANCE DOCUMENT |
Showing 12 of 32 filings.
| Filed | Form |
|---|---|
| 2026-03-13 | DEF 14A |
| 2026-03-02 | PRE 14A |
| 2025-03-14 | DEF 14A |
| 2024-03-15 | DEF 14A |
| 2023-07-06 | SC TO-I/A |
| 2023-06-29 | SC TO-I/A |
| 2023-05-31 | SC TO-I |
| 2023-03-17 | DEF 14A |
| 2022-03-18 | DEF 14A |
| 2021-03-19 | DEF 14A |
| 2020-04-23 | DEFA14A |
| 2020-03-20 | DEF 14A |