Results from Operations and Financial Condition. On July 22, 2026, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the second quarter ended June 30, 2026. A copy of the press release is attached hereto as Exhibit 99.1.

Entry into a Material Definitive Agreement. On July 22, 2026, Northrim BanCorp, Inc., an Alaska corporation (“Northrim”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and among Northrim, PBCO Financial Corporation, an Oregon corporation (“PBCO”), and Whitewater Sub, Inc., an Alaska corporation and a wholly owned subsidiary of Northrim (“Merger Sub”), pursuant to which, upon the terms and subject to the conditions set forth therein (i) PBCO will merge with and into…

Results from Operations and Financial Condition. On April 22, 2026, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the first quarter ended March 31, 2026. A copy of the press release is attached hereto as Exhibit 99.1.

Results from Operations and Financial Condition. On January 23, 2026, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the fourth quarter ended December 31, 2025. A copy of the press release is attached hereto as Exhibit 99.1.

Chairman, President, Chief Executive Officer and Chief Operating Officer of the Company and Chairman, President and Chief Executive Officer of the Bank (for Michael G. Huston) — Michael G. Huston: The employment agreements for several executives, including Michael G. Huston, were renewed with some changes.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Entry into a Material Definitive Agreement. On November 26, 2025, Northrim BanCorp, Inc. (the “Company”) entered into Subordinated Note Purchase Agreements (the “Purchase Agreements”) with certain institutional “accredited investors,” as such term is defined in Rule 501 of Regulation D promulgated by the U.S. Securities and Exchange Commission (the “SEC”) under the Securities Act of 1933, as amended (the “Securities Act”), and “qualified institutional buyers,” as such term is defined in Rule…

of this Form 8-K, including Exhibits 99.1 and 99.2 furnished herewith, shall not be incorporated by reference into any filing or other document pursuant to the Securities Act, except as shall be expressly set forth by specific reference in such filing or document. Cautionary Note Regarding Forward-Looking Statements This Form 8-K contains, and future oral and written statements of the Company and its wholly owned banking subsidiary, Northrim Bank (the “Bank”), may contain, forward-looking sta…

Results from Operations and Financial Condition. On October 22, 2025, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the third quarter ended September 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1.

Chairman of the Board of Directors — Joseph M. Schierhorn: Joseph M. Schierhorn is retiring from his position as Chairman of the Board of Directors, with Michael G. Huston set to succeed him.

Results from Operations and Financial Condition. On July 23, 2025, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the second quarter ended June 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1.

Changes in Registrant’s Certifying Accountant. (a) Prior independent registered accounting firm . On June 3, 2025, Northrim BanCorp, Inc. (the “Company”) was notified that Moss Adams LLP ("Moss Adams"), the Company's independent registered public accounting firm, merged with Baker Tilly US, LLP effective on June 3, 2025 (the “Accountant Merger”). Following the Accountant Merger, the combined audit practices operate as Baker Tilly US, LLP (“Baker Tilly”). In connection with the notification of…

Results from Operations and Financial Condition. On April 23, 2025, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the first quarter ended March 31, 2025. A copy of the press release is attached hereto as Exhibit 99.1.

Results from Operations and Financial Condition. On January 24, 2025, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the fourth quarter ended December 31, 2024. A copy of the press release is attached hereto as Exhibit 99.1.

Executive Vice President, Chief Credit Officer and Bank Economist — Mark Edwards: The company entered into a new employment agreement with Mark Edwards, an external hire for the role of Executive Vice President, Chief Credit Officer and Bank Economist.

Director — Shauna Hegna: Shauna Hegna was appointed to the boards of Northrim BanCorp, Inc. and its subsidiary, Northrim Bank.

Entry into a Material Definitive Agreement. On October 31, 2024, Northrim Bank (the “ Bank ”) entered into a Membership Interest Purchase Agreement (the “ Purchase Agreement ”) by and among the Bank, Sallyport Commercial Finance, LLC (“ Sallyport ”) and the equity owners of Sallyport identified in the Purchase Agreement (the “ Selling Members ”). The transactions contemplated by the Purchase Agreement closed on October 31, 2024. The Bank is a wholly-owned subsidiary of Northrim BanCorp, Inc.…

Other Events. On November 1, 2024, Northrim and Sallyport issued a joint press release announcing the execution and closing of the Purchase Agreement. A copy of the joint press release is attached hereto as Exhibit 99.2, and is incorporated by reference herein. Forward-looking Statements This current report on Form 8-K contains “forward-looking statements” that are subject to risks and uncertainties. These statements include, but are not limited to, descriptions of Northrim’s and Sallyport’s…

Results from Operations and Financial Condition. On October 23, 2024, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the third quarter ended September 30, 2024. A copy of the press release is attached hereto as Exhibit 99.1.

Results from Operations and Financial Condition. On July 24, 2024, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the second quarter ended June 30, 2024. A copy of the press release is attached hereto as Exhibit 99.1.

Results from Operations and Financial Condition. On April 24, 2024, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the first quarter ended March 31, 2024. A copy of the press release is attached hereto as Exhibit 99.1.

Executive Vice President and Chief Information Officer — Benjamin Craig: Mr. Craig separated from employment with the Company and the Bank.

President, Chief Executive Officer and Chief Operating Officer of the Company and President and Chief Executive Officer of the Bank — Joseph M. Schierhorn: Mr. Joseph M. Schierhorn is resigning from his executive positions but will continue as Chairman of the Board, and Michael G. Huston has been appointed to succeed him.

Director — David G. Wight: Mr. Wight resigned as a director of the Company.

Results from Operations and Financial Condition. On January 25, 2024, Northrim BanCorp, Inc. (the "Company") announced by press release its earnings for the fourth quarter ended December 31, 2023. A copy of the press release is attached hereto as Exhibit 99.1.