COLUMBIA BANKING SYSTEM, INC. 8-K

What Happened
Columbia Banking System, Inc. (COLB) filed an 8-K on July 1, 2026 (Item 7.01, Regulation FD disclosure) announcing it will hold a quarterly earnings conference call on Thursday, July 23, 2026 at 2:00 p.m. PT (5:00 p.m. ET). During the call, management will discuss Columbia’s second quarter 2026 financial results and provide an update on recent activities. A press release with the conference call information is attached as Exhibit 99.1 to the filing.

Key Details

• 8-K filed: July 1, 2026 (Regulation FD disclosure, Item 7.01).
• Conference call: Thursday, July 23, 2026 at 2:00 p.m. PT / 5:00 p.m. ET.
• Topic: Discussion of Columbia’s second quarter 2026 financial results and recent company activities.
• Press release announcing the call is included as Exhibit 99.1.

Why It Matters
The call is the company’s scheduled event to present its Q2 2026 earnings and management commentary, which can provide updated information on revenue, profitability, loan and deposit trends, credit quality, and other operational items that matter to shareholders. Retail investors who follow COLB should note the date/time, review the attached press release, and listen to (or later replay) the call for the detailed results and any management guidance or outlook.