Company: ISBA
Filing Date: 2025-11-10
Form Type: 10-Q
Source: 0000842517-25-000210
Chunk: 7

Company: ISABELLA BANK CORP
Filing Date: 2025-11-10
Form: 10-Q
Item: Part II, Item 1A
Chunk 7
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urchase activity: Common Shares RepurchasedTotal Number of Common Shares Purchased as Part of Publicly Announced Plan or ProgramMaximum Number of Common Shares That May Yet Be Purchased Under the Plans or ProgramsNumberAverage PricePer Common ShareJune 30, 2025514,823 July 1 - 315,953 $30.91 5,953 508,870 August 1 - 312,757 32.64 2,757 506,113 September 1 - 3010,386 32.45 10,386 495,727 September 30, 202519,096 $32.00 19,096 495,727 

Item 3. Defaults Upon Senior Securities.

Not applicable.

Item 4. Mine Safety Disclosures.

Not applicable.

55

Table of Contents

Item 5. Other Information.

Securities Trading Plans of Executive Officers

During the fiscal quarter ended September 30, 2025, none of the Corporation’s directors or officers adopted, modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” in each case as defined in Item 408 of Regulation S-K.

Item 6. Exhibits.

(a) Exhibits

Exhibit NumberExhibits3.1Amended Articles of Incorporation (1)3.2Amendment to the Articles of Incorporation (2)3.3Amendment to the Articles of Incorporation (3)3.4Amendment to the Articles of Incorporation (4)3.5Amendment to the Articles of Incorporation (5)3.6Second Amended and Restated Bylaws, as amended on September 24, 2025 (6)31.1Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 by the Principal Executive Officer31.2Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 by the Principal Financial Officer32Section 1350 Certification of Principal Executive Officer and Principal Financial Officer101.1*101.INS (Inline XBRL Instance Document)101.SCH (Inline XBRL Taxonomy Extension Schema Document)101.CAL (Inline XBRL Calculation Linkbase Document)101.LAB (Inline XBRL Taxonomy Label Linkbase Document)101.DEF (Inline XBRL Tax