Director — Jeremy Normington-Slay: The filing announces the appointment of a new director to the board, which is a standard governance event and not an executive departure.

Results of Operations and Financial Condition. On October 22, 2026, Civista Bancshares, Inc. announced preliminary unaudited earnings for the three and nine month periods ended September 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section…

Other Events. Civista Bancshares, Inc. (NASDAQ: CIVB) Board of Directors has approved and declared a quarterly dividend of 18 cents per common share, consistent with the prior quarter, to shareholders of records of November 3, 2026, payable on November 17, 2026. A copy of the press release is attached hereto as Exhibit 99.1. Civista Bancshares, Inc., is a $4.3 billion financial holding company headquartered in Sandusky, Ohio. Its primary subsidiary, Civista Bank, was founded in 1884 and provi…

CEO — Charles A. "Chuck" Parcher: The filing announces the completion of a leadership transition where Charles A. Parcher assumed the CEO role, indicating an internal succession rather than a sudden loss of an executive.

Other Events. Civista Bancshares, Inc. (NASDAQ: CIVB) today announced that the record date for its previously declared quarterly cash dividend has been revised. The Company previously announced a record date of August 14, 2026. The correct record date is August 4, 2026. The dividend of 18 cents per common share remains payable on August 18, 2026, and all other terms of the dividend remain unchanged. Shareholders and other interested parties should disregard references to the previously announ…

Results of Operations and Financial Condition. On July 23, 2026, Civista Bancshares, Inc. announced preliminary unaudited earnings for the three and six-month period ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the…

Other Events. The Board of Directors of Civista Bancshares, Inc., Sandusky, Ohio has approved and declared a quarterly dividend of 18 cents per common share, consistent with the prior quarter, to shareholders of records of August 4, 2026, payable on August 18, 2026. A copy of the press release is attached hereto as Exhibit 99.1. Civista Bancshares, Inc., is a $4.3 billion financial holding company headquartered in Sandusky, Ohio. Its primary subsidiary, Civista Bank, was founded in 1884 and p…

Results of Operations and Financial Condition. On April 22, 2026, Civista Bancshares, Inc. announced preliminary unaudited earnings for the three-month period ended March 31, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securi…

Other Events. The Board of Directors of Civista Bancshares, Inc., Sandusky, Ohio has approved and declared a quarterly dividend of 18 cents per common share, consistent with the prior quarter, to shareholders of records of May 5, 2026, payable on May 19, 2026. A copy of the press release is attached hereto as Exhibit 99.1. Civista Bancshares, Inc., is a $4.3 billion financial holding company headquartered in Sandusky, Ohio. Its primary subsidiary, Civista Bank, was founded in 1884 and provide…

Director — Dennis E. Murray, Jr.: Mr. Dennis E. Murray, Jr., resigned from the Boards of Directors without a named successor.

President and Chief Executive Officer — Dennis Shaffer: Dennis Shaffer is retiring as President and CEO with Chuck Parcher appointed to succeed him.

Senior Vice President, Human Resources Officer — Veronica Doucette: Ms. Doucette was appointed as an officer of Civista Bancshares, Inc.

Results of Operations and Financial Condition. On January 29, 2026, Civista Bancshares, Inc. announced preliminary unaudited earnings for the three and twelve-month periods ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section…

Other Events. The Board of Directors of Civista Bancshares, Inc., Sandusky, Ohio has approved and declared a quarterly dividend of 18 cents per common share, representing a 1-cent increase from the prior quarter to shareholders of recordas of February 10, 2026, payable on February 24, 2026. A copy of the press release is attached hereto as Exhibit 99.1. Civista Bancshares, Inc., is a $4.3 billion financial holding company headquartered in Sandusky, Ohio. Its primary subsidiary, Civista Bank,…

Results of Operations and Financial Condition. On October 23, 2025, Civista Bancshares, Inc. announced preliminary unaudited earnings for the three and nine-month periods ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section…

Other Events. The Board of Directors of Civista Bancshares, Inc., Sandusky, Ohio has approved a quarterly dividend of 17 cents per common share, consistent with the prior quarter, to shareholders of record date November 4, 2025, payable date November 18, 2025. A copy of the press release is attached hereto as Exhibit 99.1. Civista Bancshares, Inc., is a $4.2 billion financial holding company headquartered in Sandusky, Ohio. Its primary subsidiary, Civista Bank, was founded in 1884 and provide…

Executive Vice President & Chief Lending Officer — Robert L. Katitus: Robert L. Katitus promoted to Executive Vice President & Chief Lending Officer.

Results of Operations and Financial Condition. On July 24, 2025, Civista Bancshares, Inc. announced preliminary unaudited earnings for the three and six-month periods ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the…

Other Events. The Board of Directors of Civista Bancshares, Inc., Sandusky, Ohio has approved a quarterly dividend of 17 cents per common share, consistent with the prior quarter, to shareholders of record date August 5, 2025, payable date August 19, 2025. A copy of the press release is attached hereto as Exhibit 99.1. Civista Bancshares, Inc., is a $4.1 billion financial holding company headquartered in Sandusky, Ohio. Its primary subsidiary, Civista Bank, was founded in 1884 and provides fu…

Results of Financial Operations and Financial Condition Civista disclosed the following projected financial information for the second quarter of 2025 in the preliminary prospectus supplement relating to the Offering that it filed with the SEC on July 10, 2025. While Civista’s second quarter financial statements are not yet complete, and Civista expects to release its second quarter results on July 24, 2025, the following describes certain of Civista’s current expectations for the quarter: •…

Entry into a Material Definitive Agreement Offering of Common Shares On July 10, 2025, Civista Bancshares, Inc. (“Civista”) and Civista Bank entered into an underwriting agreement (the “Underwriting Agreement”) with Piper Sandler & Co., as representative of the underwriters named therein (the “Underwriters”). Pursuant to the terms of the Underwriting Agreement, Civista agreed to issue and sell, and the Underwriters agreed to purchase, in accordance with the terms and subject to the conditions…

The filing details amendments to the Supplemental Nonqualified Retirement Plan (SERP) and split dollar life insurance agreements for certain officers, reflecting changes in their benefits due to promotions or salary increases.

Results of Operations and Financial Condition. On April 24, 2025, Civista Bancshares, Inc. announced preliminary unaudited earnings for the three-month period ended March 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securi…

Other Events. On April 15, the Board of Directors of Civista Bancshares, Inc., Sandusky, Ohio approved the initiation of a stock repurchase program of a maximum aggregate value of thirteen million, five hundred thousand ($13,500,000) at such prices that management shall determine to be advantageous to Civista. The stock repurchase program will become effective on April 15, 2025 upon the lifting of our quarterly blackout period. A copy of the news release is included as exhibit 99.1 to this re…

Other Events. The Board of Directors of Civista Bancshares, Inc., Sandusky, Ohio has approved a quarterly dividend of 17 cents per common share, equivalent to prior quarter, to shareholders of record date April 29, 2025, payable date May 13, 2025. A copy of the press release is attached hereto as Exhibit 99.1. Civista Bancshares, Inc., is a $4.1 billion financial holding company headquartered in Sandusky, Ohio. Its primary subsidiary, Civista Bank, was founded in 1884 and provides full-servic…