Oppenheimer Holdings Inc. (OPY) 8-K Summary

Date of Report: November 3, 2025

Key Event: Regulation FD Disclosure regarding the posting of an Investor Presentation (Third Quarter 2025 Investor Update) to the company website.

• This presentation (Exhibit 99.1) contains summary financial and business information.
• The company has no obligation to publicly update or revise this information unless management deems it warranted.
• Information furnished is not deemed “filed” under Section 18 of the Exchange Act unless explicitly stated.

Management Confirmation: Sign