# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001104659-26-027365
Filing Date
2026-03-13
Accepted
2026-03-13 08:05:45
Documents
22
Period of Report
2026-05-04

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | tm261410-3_def14a.htm iXBRL | DEF 14A | 1156424
5 | GRAPHIC | fc_overview-4c.jpg | GRAPHIC | 76680
6 | GRAPHIC | lc_netincome-4c.jpg | GRAPHIC | 46548
7 | GRAPHIC | lc_revenue-4c.jpg | GRAPHIC | 44360
8 | GRAPHIC | lc_ttlshare-4c.jpg | GRAPHIC | 48661
9 | GRAPHIC | px_26oppenheimproxy01pg1-bw.jpg | GRAPHIC | 255875
10 | GRAPHIC | px_26oppenheimproxy01pg2-bw.jpg | GRAPHIC | 300007
11 | GRAPHIC | sg_dennispmcnamara-bw.jpg | GRAPHIC | 25380
| Complete submission text file | 0001104659-26-027365.txt |  | 3653465

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA | opy-20251231.xsd | EX-101.SCH | 7019
3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | opy-20251231_def.xml | EX-101.DEF | 1917
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | opy-20251231_lab.xml | EX-101.LAB | 21692
24 | EXTRACTED XBRL INSTANCE DOCUMENT | tm261410-3_def14a_htm.xml | XML | 37816

Mailing Address 85 BROAD STREET 22ND FLOOR NEW YORK NY 10004
Business Address 85 BROAD STREET 22ND FLOOR NEW YORK NY 10004 2126688255
OPPENHEIMER HOLDINGS INC (Filer) CIK: 0000791963 (see all company filings)

EIN.: 980080034 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-12043 | Film No.: 26750127
SIC: 6211 Security Brokers, Dealers & Flotation Companies
(CF Office: 02 Finance)